55][ T1688] ? kernel_write+0x3c0/0x3c0 [ 209.254106][ T1688] ? mutex_trylock+0xb0/0xb0 [ 209.258671][ T1688] ? __fdget_pos+0x26d/0x310 [ 209.263232][ T1688] ? ksys_write+0x77/0x2c0 [ 209.267622][ T1688] ksys_write+0x198/0x2c0 [ 209.271924][ T1688] ? __ia32_sys_read+0x90/0x90 [ 209.276667][ T1688] ? debug_smp_processor_id+0x17/0x20 [ 209.282008][ T1688] __x64_sys_write+0x7b/0x90 [ 209.286569][ T1688] do_syscall_64+0x34/0x70 [ 209.290958][ T1688] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 209.296822][ T1688] RIP: 0033:0x7fccade130e9 [ 209.301219][ T1688] 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 [ 209.320804][ T1688] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 209.329201][ T1688] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 209.337167][ T1688] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 209.345119][ T1688] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 209.353072][ T1688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 209.361021][ T1688] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 209.369087][ T1688] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 209.376229][ T1688] !!!! control_disable control_disable ss name cpu [ 209.383247][ T1688] !!!! control_disable control_disable ss name memory [ 209.390007][ T1688] !!!! control_disable control_disable ss name pids [ 209.396626][ T1688] !!!! control_disable kill_css(ffff88810e74e400) [ 209.403266][ T1688] !!!! IN kill css_get(ffff88810e74e400) [ 209.408960][ T1688] !!!! IN kill css_get(ffff88810e74e400) [ 209.414716][ T1688] !!!! control_disable control_disable ss name cpu [ 209.421289][ T1688] !!!! control_disable control_disable ss name memory [ 209.428081][ T1688] !!!! control_disable control_disable ss name pids [ 209.434672][ T1688] !!!! control_disable kill_css(ffff88810e74c400) [ 209.441185][ T1688] !!!! IN kill css_get(ffff88810e74c400) [ 209.446914][ T1688] !!!! IN kill css_get(ffff88810e74c400) [ 209.452663][ T1688] !!!! control_disable control_disable ss name cpu [ 209.459281][ T1688] !!!! control_disable control_disable ss name memory [ 209.466060][ T1688] !!!! control_disable control_disable ss name pids [ 209.472802][ T1688] !!!! control_disable kill_css(ffff8881217d1c00) [ 209.479283][ T1688] !!!! IN kill css_get(ffff8881217d1c00) [ 209.485028][ T1688] !!!! IN kill css_get(ffff8881217d1c00) [ 209.490743][ T1688] !!!! control_disable control_disable ss name cpu [ 209.497265][ T1688] !!!! control_disable control_disable ss name memory [ 209.504058][ T1688] !!!! control_disable control_disable ss name cpu [ 209.510620][ T1688] !!!! control_disable control_disable ss name memory [ 209.517392][ T1688] !!!! control_disable control_disable ss name cpu [ 209.524248][ T1688] !!!! control_disable control_disable ss name memory [ 209.531005][ T1688] !!!! control_disable control_disable ss name cpu [ 209.537561][ T1688] !!!! control_disable control_disable ss name memory [ 209.544424][ C1] !!!! css_killed_ref_fn enqueue(ffff88810e74e400) [ 209.551048][ T1688] !!!! control_disable control_disable ss name pids [ 209.557698][ T435] !!!! css_release_work_fn(ffff88812163ac00) [ 209.560737][ T1688] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 209.563780][ C1] !!!! css_killed_ref_fn enqueue(ffff88810e74c400) [ 209.576882][ C1] !!!! css_killed_ref_fn enqueue(ffff8881217d1c00) [ 209.583726][ T435] !!!! css_release_work_fn(ffff88810f0b9000) [ 209.585161][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 209.591689][ T435] !!!! css_release_work_fn(ffff88810f093400) [ 209.598727][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 209.603071][ T435] !!!! css_killed_work_fn css_put(ffff88810e74e400) [ 209.610190][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 209.616568][ T435] !!!! css_release enqueue(ffff88810e74e400) [ 209.624118][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 209.629578][ T435] !!!! css_killed_work_fn css_put(ffff88810e74c400) [ 209.643113][ T435] !!!! css_release enqueue(ffff88810e74c400) [ 209.649197][ T435] !!!! css_killed_work_fn css_put(ffff8881217d1c00) [ 209.656048][ T435] !!!! css_release enqueue(ffff8881217d1c00) [ 209.662279][ T1716] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 209.662862][ T1689] !!!! css_create css ffff88810e3ab800 !!!! [ 209.674780][ T1689] !!!! css_create css ffff888110b9dc00 !!!! [ 209.680892][ T1689] !!!! css_create css ffff888110b9d400 !!!! [ 209.686924][ T1689] FAULT_INJECTION: forcing a failure. [ 209.686924][ T1689] name failslab, interval 1, probability 0, space 0, times 0 [ 209.699628][ T1689] CPU: 0 PID: 1689 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 209.711423][ T1689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.721560][ T1689] Call Trace: [ 209.724841][ T1689] dump_stack_lvl+0x1e2/0x24b [ 209.729501][ T1689] ? bfq_pos_tree_add_move+0x43e/0x43e [ 209.735028][ T1689] dump_stack+0x15/0x17 [ 209.739180][ T1689] should_fail+0x3c0/0x510 [ 209.743582][ T1689] ? __kernfs_new_node+0x99/0x6e0 [ 209.748618][ T1689] __should_failslab+0x9f/0xe0 [ 209.753365][ T1689] should_failslab+0x9/0x20 [ 209.757854][ T1689] __kmalloc_track_caller+0x5f/0x350 [ 209.763124][ T1689] kstrdup_const+0x55/0x90 [ 209.767515][ T1689] __kernfs_new_node+0x99/0x6e0 [ 209.772340][ T1689] ? stack_trace_save+0x1f0/0x1f0 [ 209.777353][ T1689] ? kernfs_new_node+0x170/0x170 [ 209.782268][ T1689] ? ptr_to_hashval+0x60/0x60 [ 209.786942][ T1689] ? snprintf+0xd6/0x120 [ 209.791291][ T1689] kernfs_new_node+0x97/0x170 [ 209.795979][ T1689] __kernfs_create_file+0x4a/0x270 [ 209.801088][ T1689] cgroup_addrm_files+0xab8/0xfe0 [ 209.806275][ T1689] ? cgroup_apply_control_enable+0x734/0x12e0 [ 209.812322][ T1689] ? cgroup_apply_control+0x93/0x710 [ 209.817583][ T1689] ? cgroup_subtree_control_write+0xd19/0x1310 [ 209.823807][ T1689] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 209.829999][ T1689] ? delete_node+0x759/0x7b0 [ 209.834568][ T1689] ? __kasan_check_read+0x11/0x20 [ 209.839562][ T1689] ? delete_node+0x759/0x7b0 [ 209.844146][ T1689] ? __kasan_check_write+0x14/0x20 [ 209.849233][ T1689] ? __radix_tree_replace+0x246/0x2e0 [ 209.854581][ T1689] ? idr_get_next+0x4b0/0x4b0 [ 209.859319][ T1689] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 209.864403][ T1689] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 209.869594][ T1689] css_populate_dir+0x137/0x370 [ 209.874418][ T1689] cgroup_apply_control_enable+0x629/0x12e0 [ 209.881794][ T1689] cgroup_apply_control+0x93/0x710 [ 209.886892][ T1689] ? css_next_child+0x160/0x160 [ 209.891897][ T1689] ? set_next_entity+0xc5/0x390 [ 209.896727][ T1689] ? io_schedule+0x120/0x120 [ 209.901302][ T1689] ? kernfs_fop_write_iter+0x15e/0x410 [ 209.906737][ T1689] ? __kasan_check_write+0x14/0x20 [ 209.911825][ T1689] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 209.917089][ T1689] cgroup_subtree_control_write+0xd19/0x1310 [ 209.923048][ T1689] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 209.929004][ T1689] ? __kasan_check_write+0x14/0x20 [ 209.934102][ T1689] ? _copy_from_iter+0x3fb/0xd60 [ 209.939111][ T1689] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 209.945062][ T1689] cgroup_file_write+0x28e/0x590 [ 209.949980][ T1689] ? cgroup_seqfile_stop+0xc0/0xc0 [ 209.955064][ T1689] ? mutex_lock+0xa6/0x110 [ 209.959459][ T1689] ? mutex_trylock+0xb0/0xb0 [ 209.964030][ T1689] ? __kasan_check_write+0x14/0x20 [ 209.969131][ T1689] kernfs_fop_write_iter+0x2d0/0x410 [ 209.974480][ T1689] ? cgroup_seqfile_stop+0xc0/0xc0 [ 209.979575][ T1689] vfs_write+0xc1c/0xf40 [ 209.983881][ T1689] ? kernel_write+0x3c0/0x3c0 [ 209.988539][ T1689] ? mutex_trylock+0xb0/0xb0 [ 209.993182][ T1689] ? __fdget_pos+0x26d/0x310 [ 209.997758][ T1689] ? ksys_write+0x77/0x2c0 [ 210.002511][ T1689] ksys_write+0x198/0x2c0 [ 210.006819][ T1689] ? __ia32_sys_read+0x90/0x90 [ 210.011550][ T1689] ? debug_smp_processor_id+0x17/0x20 [ 210.016892][ T1689] __x64_sys_write+0x7b/0x90 [ 210.021460][ T1689] do_syscall_64+0x34/0x70 [ 210.025846][ T1689] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 210.031713][ T1689] RIP: 0033:0x7fe9a8a760e9 [ 210.036100][ T1689] 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 [ 210.055767][ T1689] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 210.064327][ T1689] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 210.072274][ T1689] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 210.080221][ T1689] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 210.088168][ T1689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 210.096113][ T1689] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 210.104187][ T1689] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 210.111234][ T1689] !!!! control_disable control_disable ss name cpu [ 210.117810][ T1689] !!!! control_disable control_disable ss name memory [ 210.124585][ T1689] !!!! control_disable control_disable ss name pids [ 210.131162][ T1689] !!!! control_disable kill_css(ffff88810e3ab800) [ 210.137717][ T1689] !!!! IN kill css_get(ffff88810e3ab800) [ 210.143433][ T1689] !!!! IN kill css_get(ffff88810e3ab800) [ 210.149137][ T1689] !!!! control_disable control_disable ss name cpu [ 210.155659][ T1689] !!!! control_disable control_disable ss name memory [ 210.162596][ T1689] !!!! control_disable control_disable ss name pids [ 210.169169][ T1689] !!!! control_disable kill_css(ffff888110b9dc00) [ 210.175736][ T1689] !!!! IN kill css_get(ffff888110b9dc00) [ 210.181432][ T1689] !!!! IN kill css_get(ffff888110b9dc00) [ 210.187167][ T1689] !!!! control_disable control_disable ss name cpu [ 210.193668][ T1689] !!!! control_disable control_disable ss name memory [ 210.200401][ T1689] !!!! control_disable control_disable ss name pids [ 210.206984][ T1689] !!!! control_disable kill_css(ffff888110b9d400) [ 210.213476][ T1689] !!!! IN kill css_get(ffff888110b9d400) [ 210.219161][ T1689] !!!! IN kill css_get(ffff888110b9d400) [ 210.224883][ T1689] !!!! control_disable control_disable ss name cpu [ 210.231373][ T1689] !!!! control_disable control_disable ss name memory [ 210.238147][ T1689] !!!! control_disable control_disable ss name cpu [ 210.244661][ T1689] !!!! control_disable control_disable ss name memory [ 210.251390][ T1689] !!!! control_disable control_disable ss name cpu [ 210.257906][ T1689] !!!! control_disable control_disable ss name memory [ 210.264686][ T1689] !!!! control_disable control_disable ss name cpu [ 210.271156][ T1689] !!!! control_disable control_disable ss name memory [ 210.277915][ T1689] !!!! control_disable control_disable ss name pids [ 210.284515][ T435] !!!! css_release_work_fn(ffff88810e74e400) [ 210.285160][ T1689] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.290597][ T435] !!!! css_free_rwork_fn(ffff88812163ac00) [ 210.302988][ C1] !!!! css_killed_ref_fn enqueue(ffff88810e3ab800) [ 210.303013][ C1] !!!! css_killed_ref_fn enqueue(ffff888110b9dc00) [ 210.303024][ C1] !!!! css_killed_ref_fn enqueue(ffff888110b9d400) [ 210.322767][ T435] !!!! css_release_work_fn(ffff88810e74c400) [ 210.324137][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 210.331165][ T435] !!!! css_free_rwork_fn(ffff88810f0b9000) [ 210.337952][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 210.342156][ T435] !!!! css_free_rwork_fn(ffff88810f093400) [ 210.349379][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 210.354743][ T435] !!!! css_release_work_fn(ffff8881217d1c00) [ 210.362855][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 210.368355][ T435] !!!! css_killed_work_fn css_put(ffff88810e3ab800) [ 210.381282][ T435] !!!! css_release enqueue(ffff88810e3ab800) [ 210.387399][ T435] !!!! css_killed_work_fn css_put(ffff888110b9dc00) [ 210.394074][ T435] !!!! css_release enqueue(ffff888110b9dc00) [ 210.400282][ T435] !!!! css_killed_work_fn css_put(ffff888110b9d400) [ 210.407212][ T435] !!!! css_release enqueue(ffff888110b9d400) [ 210.413418][ T435] !!!! css_free_rwork_fn(ffff88810e74e400) [ 210.413477][ T1731] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.419572][ T1723] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.419603][ T435] !!!! css_free_rwork_fn(ffff88810e74c400) [ 210.426221][ T1725] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.432875][ T1724] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.438636][ T1721] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 210.445102][ T1717] !!!! css_create css ffff88810ecc8400 !!!! [ 210.464323][ T1717] !!!! css_create css ffff88810eccd400 !!!! [ 210.470764][ T1717] !!!! css_create css ffff88810eccd800 !!!! [ 210.476747][ T1717] FAULT_INJECTION: forcing a failure. [ 210.476747][ T1717] name failslab, interval 1, probability 0, space 0, times 0 [ 210.489560][ T1717] CPU: 1 PID: 1717 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 210.501163][ T1717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.511203][ T1717] Call Trace: [ 210.514476][ T1717] dump_stack_lvl+0x1e2/0x24b [ 210.519136][ T1717] ? bfq_pos_tree_add_move+0x43e/0x43e [ 210.524570][ T1717] dump_stack+0x15/0x17 [ 210.528708][ T1717] should_fail+0x3c0/0x510 [ 210.533133][ T1717] ? __kernfs_new_node+0x99/0x6e0 [ 210.538143][ T1717] __should_failslab+0x9f/0xe0 [ 210.543000][ T1717] should_failslab+0x9/0x20 [ 210.547490][ T1717] __kmalloc_track_caller+0x5f/0x350 [ 210.552749][ T1717] kstrdup_const+0x55/0x90 [ 210.557138][ T1717] __kernfs_new_node+0x99/0x6e0 [ 210.561977][ T1717] ? stack_trace_save+0x1f0/0x1f0 [ 210.566992][ T1717] ? kernfs_new_node+0x170/0x170 [ 210.571914][ T1717] ? ptr_to_hashval+0x60/0x60 [ 210.576588][ T1717] ? snprintf+0xd6/0x120 [ 210.580816][ T1717] kernfs_new_node+0x97/0x170 [ 210.585482][ T1717] __kernfs_create_file+0x4a/0x270 [ 210.590581][ T1717] cgroup_addrm_files+0xab8/0xfe0 [ 210.595616][ T1717] ? cgroup_apply_control_enable+0x734/0x12e0 [ 210.601667][ T1717] ? cgroup_apply_control+0x93/0x710 [ 210.606940][ T1717] ? cgroup_subtree_control_write+0xd19/0x1310 [ 210.613093][ T1717] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 210.619230][ T1717] ? delete_node+0x759/0x7b0 [ 210.624034][ T1717] ? __kasan_check_read+0x11/0x20 [ 210.629140][ T1717] ? delete_node+0x759/0x7b0 [ 210.633708][ T1717] ? __kasan_check_write+0x14/0x20 [ 210.638798][ T1717] ? __radix_tree_replace+0x246/0x2e0 [ 210.644349][ T1717] ? idr_get_next+0x4b0/0x4b0 [ 210.649014][ T1717] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 210.654020][ T1717] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 210.659199][ T1717] css_populate_dir+0x137/0x370 [ 210.664117][ T1717] cgroup_apply_control_enable+0x629/0x12e0 [ 210.670012][ T1717] cgroup_apply_control+0x93/0x710 [ 210.675135][ T1717] ? css_next_child+0x160/0x160 [ 210.679976][ T1717] ? set_next_entity+0xc5/0x390 [ 210.684826][ T1717] ? io_schedule+0x120/0x120 [ 210.689481][ T1717] ? kernfs_fop_write_iter+0x15e/0x410 [ 210.694914][ T1717] ? __kasan_check_write+0x14/0x20 [ 210.700016][ T1717] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 210.705284][ T1717] cgroup_subtree_control_write+0xd19/0x1310 [ 210.711242][ T1717] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 210.717284][ T1717] ? __kasan_check_write+0x14/0x20 [ 210.722371][ T1717] ? _copy_from_iter+0x3fb/0xd60 [ 210.727290][ T1717] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 210.733247][ T1717] cgroup_file_write+0x28e/0x590 [ 210.738162][ T1717] ? cgroup_seqfile_stop+0xc0/0xc0 [ 210.743249][ T1717] ? mutex_lock+0xa6/0x110 [ 210.747653][ T1717] ? mutex_trylock+0xb0/0xb0 [ 210.752221][ T1717] ? __kasan_check_write+0x14/0x20 [ 210.757316][ T1717] kernfs_fop_write_iter+0x2d0/0x410 [ 210.762607][ T1717] ? cgroup_seqfile_stop+0xc0/0xc0 [ 210.767706][ T1717] vfs_write+0xc1c/0xf40 [ 210.772040][ T1717] ? kernel_write+0x3c0/0x3c0 [ 210.776702][ T1717] ? mutex_trylock+0xb0/0xb0 [ 210.781287][ T1717] ? __fdget_pos+0x26d/0x310 [ 210.785976][ T1717] ? ksys_write+0x77/0x2c0 [ 210.790562][ T1717] ksys_write+0x198/0x2c0 [ 210.794993][ T1717] ? __ia32_sys_read+0x90/0x90 [ 210.799853][ T1717] ? debug_smp_processor_id+0x17/0x20 [ 210.805387][ T1717] __x64_sys_write+0x7b/0x90 [ 210.810024][ T1717] do_syscall_64+0x34/0x70 [ 210.814613][ T1717] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 210.820815][ T1717] RIP: 0033:0x7f2fc06ba0e9 [ 210.825502][ T1717] 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 [ 210.845105][ T1717] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 210.853687][ T1717] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 210.861738][ T1717] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 210.869690][ T1717] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 210.878200][ T1717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 210.886270][ T1717] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 210.894961][ T1717] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 210.902301][ T1717] !!!! control_disable control_disable ss name cpu [ 210.909079][ T1717] !!!! control_disable control_disable ss name memory [ 210.915991][ T1717] !!!! control_disable control_disable ss name pids [ 210.922833][ T1717] !!!! control_disable kill_css(ffff88810ecc8400) [ 210.929381][ T1717] !!!! IN kill css_get(ffff88810ecc8400) [ 210.935118][ T1717] !!!! IN kill css_get(ffff88810ecc8400) [ 210.940836][ T1717] !!!! control_disable control_disable ss name cpu [ 210.947377][ T1717] !!!! control_disable control_disable ss name memory [ 210.954228][ T1717] !!!! control_disable control_disable ss name pids [ 210.960786][ T1717] !!!! control_disable kill_css(ffff88810eccd400) [ 210.967421][ T1717] !!!! IN kill css_get(ffff88810eccd400) [ 210.973176][ T1717] !!!! IN kill css_get(ffff88810eccd400) [ 210.979043][ T1717] !!!! control_disable control_disable ss name cpu [ 210.985601][ T1717] !!!! control_disable control_disable ss name memory [ 210.992457][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ecc8400) [ 210.999253][ T1717] !!!! control_disable control_disable ss name pids [ 211.005867][ T1717] !!!! control_disable kill_css(ffff88810eccd800) [ 211.012381][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eccd400) [ 211.018966][ T1717] !!!! IN kill css_get(ffff88810eccd800) [ 211.024690][ T1717] !!!! IN kill css_get(ffff88810eccd800) [ 211.030399][ T1717] !!!! control_disable control_disable ss name cpu [ 211.036943][ T1717] !!!! control_disable control_disable ss name memory [ 211.043749][ T1717] !!!! control_disable control_disable ss name cpu [ 211.050400][ T1717] !!!! control_disable control_disable ss name memory [ 211.057162][ T1717] !!!! control_disable control_disable ss name cpu [ 211.063662][ T1717] !!!! control_disable control_disable ss name memory [ 211.070415][ T1717] !!!! control_disable control_disable ss name cpu [ 211.076926][ T1717] !!!! control_disable control_disable ss name memory [ 211.083786][ T1717] !!!! control_disable control_disable ss name pids [ 211.090452][ T1717] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 211.097083][ T435] !!!! css_release_work_fn(ffff88810e3ab800) [ 211.103215][ T435] !!!! css_release_work_fn(ffff888110b9dc00) [ 211.109269][ T435] !!!! css_release_work_fn(ffff888110b9d400) [ 211.115355][ C1] !!!! css_killed_ref_fn enqueue(ffff88810eccd800) [ 211.122090][ T435] !!!! css_free_rwork_fn(ffff8881217d1c00) [ 211.123525][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.129919][ T435] !!!! css_killed_work_fn css_put(ffff88810ecc8400) [ 211.138426][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.141894][ T435] !!!! css_release enqueue(ffff88810ecc8400) [ 211.149534][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.154698][ T19] !!!! css_killed_work_fn css_put(ffff88810eccd400) [ 211.162416][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.168279][ T19] !!!! css_release enqueue(ffff88810eccd400) [ 211.181226][ T435] !!!! css_killed_work_fn css_put(ffff88810eccd800) [ 211.188028][ T435] !!!! css_release enqueue(ffff88810eccd800) [ 211.194184][ T435] !!!! css_free_rwork_fn(ffff88810e3ab800) [ 211.194353][ T1734] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 211.200093][ T1727] !!!! css_create css ffff88810eccf000 !!!! [ 211.212546][ T19] !!!! css_free_rwork_fn(ffff888110b9dc00) [ 211.216607][ T1727] !!!! css_create css ffff88810e778c00 !!!! [ 211.225981][ T1727] !!!! css_create css ffff88810e77ac00 !!!! [ 211.232166][ T1727] FAULT_INJECTION: forcing a failure. [ 211.232166][ T1727] name failslab, interval 1, probability 0, space 0, times 0 [ 211.244830][ T1727] CPU: 1 PID: 1727 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 211.256427][ T1727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.266485][ T1727] Call Trace: [ 211.269758][ T1727] dump_stack_lvl+0x1e2/0x24b [ 211.274414][ T1727] ? bfq_pos_tree_add_move+0x43e/0x43e [ 211.279861][ T1727] dump_stack+0x15/0x17 [ 211.283998][ T1727] should_fail+0x3c0/0x510 [ 211.288504][ T1727] ? __kernfs_new_node+0x99/0x6e0 [ 211.293505][ T1727] __should_failslab+0x9f/0xe0 [ 211.298260][ T1727] should_failslab+0x9/0x20 [ 211.302739][ T1727] __kmalloc_track_caller+0x5f/0x350 [ 211.308014][ T1727] kstrdup_const+0x55/0x90 [ 211.312409][ T1727] __kernfs_new_node+0x99/0x6e0 [ 211.317231][ T1727] ? stack_trace_save+0x1f0/0x1f0 [ 211.322240][ T1727] ? kernfs_new_node+0x170/0x170 [ 211.327149][ T1727] ? ptr_to_hashval+0x60/0x60 [ 211.331800][ T1727] ? snprintf+0xd6/0x120 [ 211.336021][ T1727] kernfs_new_node+0x97/0x170 [ 211.340671][ T1727] __kernfs_create_file+0x4a/0x270 [ 211.345774][ T1727] cgroup_addrm_files+0xab8/0xfe0 [ 211.350778][ T1727] ? cgroup_apply_control_enable+0x734/0x12e0 [ 211.356818][ T1727] ? cgroup_apply_control+0x93/0x710 [ 211.362073][ T1727] ? cgroup_subtree_control_write+0xd19/0x1310 [ 211.368202][ T1727] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 211.374334][ T1727] ? delete_node+0x759/0x7b0 [ 211.378895][ T1727] ? __kasan_check_read+0x11/0x20 [ 211.384152][ T1727] ? delete_node+0x759/0x7b0 [ 211.388718][ T1727] ? __kasan_check_write+0x14/0x20 [ 211.393803][ T1727] ? __radix_tree_replace+0x246/0x2e0 [ 211.399144][ T1727] ? idr_get_next+0x4b0/0x4b0 [ 211.403798][ T1727] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 211.408815][ T1727] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 211.413992][ T1727] css_populate_dir+0x137/0x370 [ 211.418819][ T1727] cgroup_apply_control_enable+0x629/0x12e0 [ 211.424695][ T1727] cgroup_apply_control+0x93/0x710 [ 211.429776][ T1727] ? css_next_child+0x160/0x160 [ 211.434598][ T1727] ? set_next_entity+0xc5/0x390 [ 211.439419][ T1727] ? io_schedule+0x120/0x120 [ 211.443980][ T1727] ? kernfs_fop_write_iter+0x15e/0x410 [ 211.449415][ T1727] ? __kasan_check_write+0x14/0x20 [ 211.454499][ T1727] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 211.459753][ T1727] cgroup_subtree_control_write+0xd19/0x1310 [ 211.465716][ T1727] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 211.471667][ T1727] ? __kasan_check_write+0x14/0x20 [ 211.476752][ T1727] ? _copy_from_iter+0x3fb/0xd60 [ 211.481659][ T1727] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 211.487608][ T1727] cgroup_file_write+0x28e/0x590 [ 211.492517][ T1727] ? cgroup_seqfile_stop+0xc0/0xc0 [ 211.497600][ T1727] ? mutex_lock+0xa6/0x110 [ 211.501985][ T1727] ? mutex_trylock+0xb0/0xb0 [ 211.506551][ T1727] ? __kasan_check_write+0x14/0x20 [ 211.511913][ T1727] kernfs_fop_write_iter+0x2d0/0x410 [ 211.517187][ T1727] ? cgroup_seqfile_stop+0xc0/0xc0 [ 211.522712][ T1727] vfs_write+0xc1c/0xf40 [ 211.526932][ T1727] ? kernel_write+0x3c0/0x3c0 [ 211.531582][ T1727] ? mutex_trylock+0xb0/0xb0 [ 211.536161][ T1727] ? __fdget_pos+0x26d/0x310 [ 211.540736][ T1727] ? ksys_write+0x77/0x2c0 [ 211.545132][ T1727] ksys_write+0x198/0x2c0 [ 211.549643][ T1727] ? __ia32_sys_read+0x90/0x90 [ 211.554381][ T1727] ? debug_smp_processor_id+0x17/0x20 [ 211.559742][ T1727] __x64_sys_write+0x7b/0x90 [ 211.564308][ T1727] do_syscall_64+0x34/0x70 [ 211.568697][ T1727] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 211.574661][ T1727] RIP: 0033:0x7f75104510e9 [ 211.579078][ T1727] 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 [ 211.598892][ T1727] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 211.607470][ T1727] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 211.615529][ T1727] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 211.623486][ T1727] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 211.631435][ T1727] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 211.639405][ T1727] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 211.647697][ T1727] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 211.655021][ T1727] !!!! control_disable control_disable ss name cpu [ 211.661600][ T1727] !!!! control_disable control_disable ss name memory [ 211.668443][ T1727] !!!! control_disable control_disable ss name pids [ 211.675216][ T1727] !!!! control_disable kill_css(ffff88810eccf000) [ 211.681893][ T1727] !!!! IN kill css_get(ffff88810eccf000) [ 211.687838][ T1727] !!!! IN kill css_get(ffff88810eccf000) [ 211.693728][ T1727] !!!! control_disable control_disable ss name cpu [ 211.700375][ T1727] !!!! control_disable control_disable ss name memory [ 211.707351][ T1727] !!!! control_disable control_disable ss name pids [ 211.714022][ T1727] !!!! control_disable kill_css(ffff88810e778c00) [ 211.720631][ T1727] !!!! IN kill css_get(ffff88810e778c00) [ 211.726386][ C0] !!!! css_killed_ref_fn enqueue(ffff88810eccf000) [ 211.733003][ T1727] !!!! IN kill css_get(ffff88810e778c00) [ 211.738878][ T1727] !!!! control_disable control_disable ss name cpu [ 211.745683][ T1727] !!!! control_disable control_disable ss name memory [ 211.752468][ T1727] !!!! control_disable control_disable ss name pids [ 211.759047][ T1727] !!!! control_disable kill_css(ffff88810e77ac00) [ 211.765575][ T1727] !!!! IN kill css_get(ffff88810e77ac00) [ 211.771286][ T1727] !!!! IN kill css_get(ffff88810e77ac00) [ 211.777035][ T1727] !!!! control_disable control_disable ss name cpu [ 211.783536][ T1727] !!!! control_disable control_disable ss name memory [ 211.790279][ T1727] !!!! control_disable control_disable ss name cpu [ 211.796785][ T1727] !!!! control_disable control_disable ss name memory [ 211.803876][ T1727] !!!! control_disable control_disable ss name cpu [ 211.810370][ T1727] !!!! control_disable control_disable ss name memory [ 211.817244][ T1727] !!!! control_disable control_disable ss name cpu [ 211.824105][ T1727] !!!! control_disable control_disable ss name memory [ 211.830858][ T1727] !!!! control_disable control_disable ss name pids [ 211.837510][ T1727] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 211.837941][ T19] !!!! css_release_work_fn(ffff88810ecc8400) [ 211.850269][ T5] !!!! css_killed_work_fn css_put(ffff88810eccf000) [ 211.850286][ T19] !!!! css_free_rwork_fn(ffff888110b9d400) [ 211.858193][ T5] !!!! css_release enqueue(ffff88810eccf000) [ 211.862928][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e778c00) [ 211.863577][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.869122][ T5] !!!! css_killed_work_fn css_put(ffff88810e778c00) [ 211.878194][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.884364][ T5] !!!! css_release enqueue(ffff88810e778c00) [ 211.889927][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.896121][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e77ac00) [ 211.915652][ T19] !!!! css_release_work_fn(ffff88810eccd400) [ 211.916892][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 211.921951][ T435] !!!! css_release_work_fn(ffff88810eccd800) [ 211.934879][ T5] !!!! css_release_work_fn(ffff88810eccf000) [ 211.935046][ T19] !!!! css_free_rwork_fn(ffff88810ecc8400) [ 211.941322][ T382] !!!! css_killed_work_fn css_put(ffff88810e77ac00) [ 211.953962][ T382] !!!! css_release enqueue(ffff88810e77ac00) [ 211.960044][ T5] !!!! css_release_work_fn(ffff88810e778c00) [ 211.961735][ T378] !!!! css_free_rwork_fn(ffff88810eccd400) [ 211.966436][ T1734] !!!! css_create css ffff888121996800 !!!! [ 211.972313][ T378] !!!! css_free_rwork_fn(ffff88810eccd800) [ 211.978143][ T1734] !!!! css_create css ffff888121996400 !!!! [ 211.989891][ T1734] !!!! css_create css ffff888121995c00 !!!! [ 211.996103][ T1734] FAULT_INJECTION: forcing a failure. [ 211.996103][ T1734] name failslab, interval 1, probability 0, space 0, times 0 [ 212.008821][ T1734] CPU: 0 PID: 1734 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 212.020438][ T1734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.030469][ T1734] Call Trace: [ 212.033754][ T1734] dump_stack_lvl+0x1e2/0x24b [ 212.038416][ T1734] ? bfq_pos_tree_add_move+0x43e/0x43e [ 212.043854][ T1734] dump_stack+0x15/0x17 [ 212.047996][ T1734] should_fail+0x3c0/0x510 [ 212.052390][ T1734] ? __kernfs_new_node+0x99/0x6e0 [ 212.057411][ T1734] __should_failslab+0x9f/0xe0 [ 212.062154][ T1734] should_failslab+0x9/0x20 [ 212.066633][ T1734] __kmalloc_track_caller+0x5f/0x350 [ 212.071895][ T1734] kstrdup_const+0x55/0x90 [ 212.076303][ T1734] __kernfs_new_node+0x99/0x6e0 [ 212.081127][ T1734] ? stack_trace_save+0x1f0/0x1f0 [ 212.086142][ T1734] ? kernfs_new_node+0x170/0x170 [ 212.091054][ T1734] ? ptr_to_hashval+0x60/0x60 [ 212.095722][ T1734] ? snprintf+0xd6/0x120 [ 212.099939][ T1734] kernfs_new_node+0x97/0x170 [ 212.104596][ T1734] __kernfs_create_file+0x4a/0x270 [ 212.109682][ T1734] cgroup_addrm_files+0xab8/0xfe0 [ 212.114687][ T1734] ? cgroup_apply_control_enable+0x734/0x12e0 [ 212.120728][ T1734] ? cgroup_apply_control+0x93/0x710 [ 212.125992][ T1734] ? cgroup_subtree_control_write+0xd19/0x1310 [ 212.132119][ T1734] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 212.138245][ T1734] ? delete_node+0x759/0x7b0 [ 212.142810][ T1734] ? __kasan_check_read+0x11/0x20 [ 212.147806][ T1734] ? delete_node+0x759/0x7b0 [ 212.152371][ T1734] ? __kasan_check_write+0x14/0x20 [ 212.157544][ T1734] ? __radix_tree_replace+0x246/0x2e0 [ 212.162895][ T1734] ? idr_get_next+0x4b0/0x4b0 [ 212.167554][ T1734] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 212.172559][ T1734] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 212.177733][ T1734] css_populate_dir+0x137/0x370 [ 212.182560][ T1734] cgroup_apply_control_enable+0x629/0x12e0 [ 212.188426][ T1734] cgroup_apply_control+0x93/0x710 [ 212.193613][ T1734] ? css_next_child+0x160/0x160 [ 212.198448][ T1734] ? io_schedule+0x120/0x120 [ 212.203025][ T1734] ? kernfs_fop_write_iter+0x15e/0x410 [ 212.208469][ T1734] ? __kasan_check_write+0x14/0x20 [ 212.213553][ T1734] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 212.218815][ T1734] cgroup_subtree_control_write+0xd19/0x1310 [ 212.224771][ T1734] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 212.230734][ T1734] ? __kasan_check_write+0x14/0x20 [ 212.235820][ T1734] ? _copy_from_iter+0x3fb/0xd60 [ 212.240732][ T1734] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 212.246689][ T1734] cgroup_file_write+0x28e/0x590 [ 212.251601][ T1734] ? cgroup_seqfile_stop+0xc0/0xc0 [ 212.256690][ T1734] ? mutex_lock+0xa6/0x110 [ 212.261081][ T1734] ? mutex_trylock+0xb0/0xb0 [ 212.265647][ T1734] ? __kasan_check_write+0x14/0x20 [ 212.270734][ T1734] kernfs_fop_write_iter+0x2d0/0x410 [ 212.276002][ T1734] ? cgroup_seqfile_stop+0xc0/0xc0 [ 212.281086][ T1734] vfs_write+0xc1c/0xf40 [ 212.285307][ T1734] ? kernel_write+0x3c0/0x3c0 [ 212.289961][ T1734] ? mutex_trylock+0xb0/0xb0 [ 212.294525][ T1734] ? __fdget_pos+0x26d/0x310 [ 212.299090][ T1734] ? ksys_write+0x77/0x2c0 [ 212.303482][ T1734] ksys_write+0x198/0x2c0 [ 212.307791][ T1734] ? __ia32_sys_read+0x90/0x90 [ 212.312541][ T1734] ? debug_smp_processor_id+0x17/0x20 [ 212.317952][ T1734] __x64_sys_write+0x7b/0x90 [ 212.322554][ T1734] do_syscall_64+0x34/0x70 [ 212.326962][ T1734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 212.332836][ T1734] RIP: 0033:0x7f2fc06ba0e9 [ 212.337237][ T1734] 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 [ 212.356912][ T1734] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 212.365303][ T1734] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 212.373337][ T1734] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 212.381282][ T1734] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 212.389231][ T1734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 212.397178][ T1734] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 212.405316][ T1734] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 212.412510][ T1734] !!!! control_disable control_disable ss name cpu [ 212.419066][ T1734] !!!! control_disable control_disable ss name memory [ 212.425930][ T1734] !!!! control_disable control_disable ss name pids [ 212.432603][ T1734] !!!! control_disable kill_css(ffff888121996800) [ 212.439307][ T1734] !!!! IN kill css_get(ffff888121996800) [ 212.445156][ T1734] !!!! IN kill css_get(ffff888121996800) [ 212.450956][ T1734] !!!! control_disable control_disable ss name cpu [ 212.457557][ T1734] !!!! control_disable control_disable ss name memory [ 212.464417][ T1734] !!!! control_disable control_disable ss name pids [ 212.471053][ T1734] !!!! control_disable kill_css(ffff888121996400) [ 212.477901][ T1734] !!!! IN kill css_get(ffff888121996400) [ 212.481657][ C1] !!!! css_killed_ref_fn enqueue(ffff888121996800) [ 212.483855][ T1734] !!!! IN kill css_get(ffff888121996400) [ 212.495950][ T1734] !!!! control_disable control_disable ss name cpu [ 212.502483][ T1734] !!!! control_disable control_disable ss name memory [ 212.509228][ T1734] !!!! control_disable control_disable ss name pids [ 212.515855][ T1734] !!!! control_disable kill_css(ffff888121995c00) [ 212.522471][ T1734] !!!! IN kill css_get(ffff888121995c00) [ 212.528176][ T1734] !!!! IN kill css_get(ffff888121995c00) [ 212.533941][ T1734] !!!! control_disable control_disable ss name cpu [ 212.540434][ T1734] !!!! control_disable control_disable ss name memory [ 212.547211][ T1734] !!!! control_disable control_disable ss name cpu [ 212.553726][ T1734] !!!! control_disable control_disable ss name memory [ 212.560460][ T1734] !!!! control_disable control_disable ss name cpu [ 212.566960][ T1734] !!!! control_disable control_disable ss name memory [ 212.573732][ T1734] !!!! control_disable control_disable ss name cpu [ 212.580221][ T1734] !!!! control_disable control_disable ss name memory [ 212.586980][ T1734] !!!! control_disable control_disable ss name pids [ 212.593612][ T1734] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 212.600102][ T5] !!!! css_release_work_fn(ffff88810e77ac00) [ 212.606231][ T378] !!!! css_killed_work_fn css_put(ffff888121996800) [ 212.606237][ T5] !!!! css_free_rwork_fn(ffff88810eccf000) [ 212.606249][ T5] !!!! css_free_rwork_fn(ffff88810e778c00) [ 212.613905][ T378] !!!! css_release enqueue(ffff888121996800) [ 212.620665][ C0] !!!! css_killed_ref_fn enqueue(ffff888121996400) [ 212.625169][ T378] !!!! css_release_work_fn(ffff888121996800) [ 212.631653][ C0] !!!! css_killed_ref_fn enqueue(ffff888121995c00) [ 212.650383][ T5] !!!! css_killed_work_fn css_put(ffff888121996400) [ 212.657103][ T5] !!!! css_release enqueue(ffff888121996400) [ 212.658539][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 212.663239][ T5] !!!! css_killed_work_fn css_put(ffff888121995c00) [ 212.672004][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 212.676916][ T5] !!!! css_release enqueue(ffff888121995c00) [ 212.685810][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 212.691794][ T1729] !!!! css_create css ffff8881103bac00 !!!! [ 212.697367][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 212.702741][ T1729] !!!! css_create css ffff8881103b8800 !!!! [ 212.709588][ T378] !!!! css_free_rwork_fn(ffff888121996800) [ 212.715495][ T1729] !!!! css_create css ffff8881103b8400 !!!! [ 212.727325][ T1729] FAULT_INJECTION: forcing a failure. [ 212.727325][ T1729] name failslab, interval 1, probability 0, space 0, times 0 [ 212.740168][ T1729] CPU: 0 PID: 1729 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 212.751954][ T1729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.761994][ T1729] Call Trace: [ 212.765276][ T1729] dump_stack_lvl+0x1e2/0x24b [ 212.770116][ T1729] ? bfq_pos_tree_add_move+0x43e/0x43e [ 212.775554][ T1729] ? find_next_bit+0xd6/0x120 [ 212.780220][ T1729] ? cpumask_next+0x11/0x30 [ 212.784712][ T1729] dump_stack+0x15/0x17 [ 212.788846][ T1729] should_fail+0x3c0/0x510 [ 212.793280][ T1729] ? percpu_ref_init+0xd0/0x330 [ 212.798123][ T1729] __should_failslab+0x9f/0xe0 [ 212.802914][ T1729] should_failslab+0x9/0x20 [ 212.807415][ T1729] kmem_cache_alloc_trace+0x3a/0x330 [ 212.812677][ T1729] percpu_ref_init+0xd0/0x330 [ 212.817420][ T1729] ? cgroup_setup_root+0xea0/0xea0 [ 212.822512][ T1729] cgroup_apply_control_enable+0x734/0x12e0 [ 212.828377][ T1729] cgroup_apply_control+0x93/0x710 [ 212.833468][ T1729] ? css_next_child+0x160/0x160 [ 212.838304][ T1729] ? set_next_entity+0xc5/0x390 [ 212.843156][ T1729] ? io_schedule+0x120/0x120 [ 212.847726][ T1729] ? kernfs_fop_write_iter+0x15e/0x410 [ 212.853173][ T1729] ? __kasan_check_write+0x14/0x20 [ 212.858293][ T1729] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 212.863582][ T1729] cgroup_subtree_control_write+0xd19/0x1310 [ 212.869732][ T1729] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 212.875714][ T1729] ? __kasan_check_write+0x14/0x20 [ 212.880808][ T1729] ? _copy_from_iter+0x3fb/0xd60 [ 212.885758][ T1729] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 212.891727][ T1729] cgroup_file_write+0x28e/0x590 [ 212.896758][ T1729] ? cgroup_seqfile_stop+0xc0/0xc0 [ 212.901867][ T1729] ? mutex_lock+0xa6/0x110 [ 212.906277][ T1729] ? mutex_trylock+0xb0/0xb0 [ 212.910875][ T1729] ? __kasan_check_write+0x14/0x20 [ 212.915993][ T1729] kernfs_fop_write_iter+0x2d0/0x410 [ 212.921262][ T1729] ? cgroup_seqfile_stop+0xc0/0xc0 [ 212.926369][ T1729] vfs_write+0xc1c/0xf40 [ 212.930603][ T1729] ? kernel_write+0x3c0/0x3c0 [ 212.935293][ T1729] ? mutex_trylock+0xb0/0xb0 [ 212.939888][ T1729] ? __fdget_pos+0x26d/0x310 [ 212.944459][ T1729] ? ksys_write+0x77/0x2c0 [ 212.948892][ T1729] ksys_write+0x198/0x2c0 [ 212.953203][ T1729] ? __ia32_sys_read+0x90/0x90 [ 212.957962][ T1729] ? debug_smp_processor_id+0x17/0x20 [ 212.963316][ T1729] __x64_sys_write+0x7b/0x90 [ 212.967902][ T1729] do_syscall_64+0x34/0x70 [ 212.972296][ T1729] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 212.978269][ T1729] RIP: 0033:0x7fccade130e9 [ 212.982681][ T1729] 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 [ 213.002273][ T1729] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 213.010869][ T1729] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 213.019011][ T1729] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 213.026965][ T1729] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 213.035263][ T1729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 213.043474][ T1729] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 213.051830][ T1729] !!!! css_create rcu_enqueue(ffff8881103b8400) !!!! [ 213.058651][ T1729] !!!! control_disable control_disable ss name cpu [ 213.065282][ T1729] !!!! control_disable control_disable ss name memory [ 213.072370][ T1729] !!!! control_disable control_disable ss name pids [ 213.078992][ T1729] !!!! control_disable kill_css(ffff8881103bac00) [ 213.085595][ T1729] !!!! IN kill css_get(ffff8881103bac00) [ 213.091379][ T1729] !!!! IN kill css_get(ffff8881103bac00) [ 213.097185][ T378] !!!! css_free_rwork_fn(ffff8881103b8400) [ 213.097266][ T1729] !!!! control_disable control_disable ss name cpu [ 213.109882][ T1729] !!!! control_disable control_disable ss name memory [ 213.116774][ T1729] !!!! control_disable control_disable ss name pids [ 213.123357][ T1729] !!!! control_disable kill_css(ffff8881103b8800) [ 213.129892][ T1729] !!!! IN kill css_get(ffff8881103b8800) [ 213.135622][ T1729] !!!! IN kill css_get(ffff8881103b8800) [ 213.141331][ T1729] !!!! control_disable control_disable ss name cpu [ 213.147833][ T1729] !!!! control_disable control_disable ss name memory [ 213.154618][ T1729] !!!! control_disable control_disable ss name cpu [ 213.161089][ T1729] !!!! control_disable control_disable ss name memory [ 213.167862][ T1729] !!!! control_disable control_disable ss name cpu [ 213.174468][ T1729] !!!! control_disable control_disable ss name memory [ 213.181378][ T1729] !!!! control_disable control_disable ss name cpu [ 213.187907][ T1729] !!!! control_disable control_disable ss name memory [ 213.194679][ T1729] !!!! control_disable control_disable ss name cpu [ 213.201185][ T1729] !!!! control_disable control_disable ss name memory [ 213.207960][ T1729] !!!! control_disable control_disable ss name pids [ 213.214577][ T1729] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 213.221101][ T5] !!!! css_release_work_fn(ffff888121996400) [ 213.227239][ T5] !!!! css_free_rwork_fn(ffff88810e77ac00) [ 213.233330][ C0] !!!! css_killed_ref_fn enqueue(ffff8881103bac00) [ 213.240027][ T5] !!!! css_release_work_fn(ffff888121995c00) [ 213.241303][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.249788][ T5] !!!! css_killed_work_fn css_put(ffff8881103bac00) [ 213.253400][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.259834][ T5] !!!! css_release enqueue(ffff8881103bac00) [ 213.266579][ C0] !!!! css_killed_ref_fn enqueue(ffff8881103b8800) [ 213.267979][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.276618][ T5] !!!! css_killed_work_fn css_put(ffff8881103b8800) [ 213.279620][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.286256][ T5] !!!! css_release enqueue(ffff8881103b8800) [ 213.293760][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.300026][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.307024][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.313453][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 213.319805][ T1728] !!!! css_create css ffff8881216a7800 !!!! [ 213.339719][ T1728] !!!! css_create css ffff8881216a7c00 !!!! [ 213.345692][ T1728] !!!! css_create css ffff8881216a4000 !!!! [ 213.352154][ T1728] FAULT_INJECTION: forcing a failure. [ 213.352154][ T1728] name failslab, interval 1, probability 0, space 0, times 0 [ 213.364892][ T1728] CPU: 1 PID: 1728 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 213.376766][ T1728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.386804][ T1728] Call Trace: [ 213.390125][ T1728] dump_stack_lvl+0x1e2/0x24b [ 213.394790][ T1728] ? bfq_pos_tree_add_move+0x43e/0x43e [ 213.400237][ T1728] dump_stack+0x15/0x17 [ 213.404379][ T1728] should_fail+0x3c0/0x510 [ 213.408791][ T1728] ? __kernfs_new_node+0x99/0x6e0 [ 213.413795][ T1728] __should_failslab+0x9f/0xe0 [ 213.418540][ T1728] should_failslab+0x9/0x20 [ 213.423028][ T1728] __kmalloc_track_caller+0x5f/0x350 [ 213.428296][ T1728] kstrdup_const+0x55/0x90 [ 213.432690][ T1728] __kernfs_new_node+0x99/0x6e0 [ 213.437536][ T1728] ? stack_trace_save+0x1f0/0x1f0 [ 213.442547][ T1728] ? kernfs_new_node+0x170/0x170 [ 213.447485][ T1728] ? ptr_to_hashval+0x60/0x60 [ 213.452141][ T1728] ? snprintf+0xd6/0x120 [ 213.456380][ T1728] kernfs_new_node+0x97/0x170 [ 213.461043][ T1728] __kernfs_create_file+0x4a/0x270 [ 213.466232][ T1728] cgroup_addrm_files+0xab8/0xfe0 [ 213.471272][ T1728] ? cgroup_apply_control_enable+0x734/0x12e0 [ 213.477332][ T1728] ? cgroup_apply_control+0x93/0x710 [ 213.482596][ T1728] ? cgroup_subtree_control_write+0xd19/0x1310 [ 213.488886][ T1728] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 213.495016][ T1728] ? delete_node+0x759/0x7b0 [ 213.499583][ T1728] ? __kasan_check_read+0x11/0x20 [ 213.504590][ T1728] ? delete_node+0x759/0x7b0 [ 213.509329][ T1728] ? __kasan_check_write+0x14/0x20 [ 213.514416][ T1728] ? __radix_tree_replace+0x246/0x2e0 [ 213.519758][ T1728] ? idr_get_next+0x4b0/0x4b0 [ 213.524582][ T1728] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 213.529586][ T1728] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 213.534762][ T1728] css_populate_dir+0x137/0x370 [ 213.539590][ T1728] cgroup_apply_control_enable+0x629/0x12e0 [ 213.545559][ T1728] cgroup_apply_control+0x93/0x710 [ 213.550652][ T1728] ? css_next_child+0x160/0x160 [ 213.555473][ T1728] ? set_next_entity+0xc5/0x390 [ 213.560296][ T1728] ? io_schedule+0x120/0x120 [ 213.564857][ T1728] ? kernfs_fop_write_iter+0x15e/0x410 [ 213.570289][ T1728] ? __kasan_check_write+0x14/0x20 [ 213.575389][ T1728] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 213.580665][ T1728] cgroup_subtree_control_write+0xd19/0x1310 [ 213.586635][ T1728] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 213.592609][ T1728] ? __kasan_check_write+0x14/0x20 [ 213.597710][ T1728] ? _copy_from_iter+0x3fb/0xd60 [ 213.602743][ T1728] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 213.608709][ T1728] cgroup_file_write+0x28e/0x590 [ 213.613649][ T1728] ? cgroup_seqfile_stop+0xc0/0xc0 [ 213.618927][ T1728] ? mutex_lock+0xa6/0x110 [ 213.623321][ T1728] ? mutex_trylock+0xb0/0xb0 [ 213.627894][ T1728] ? __kasan_check_write+0x14/0x20 [ 213.632994][ T1728] kernfs_fop_write_iter+0x2d0/0x410 [ 213.638361][ T1728] ? cgroup_seqfile_stop+0xc0/0xc0 [ 213.643465][ T1728] vfs_write+0xc1c/0xf40 [ 213.647697][ T1728] ? kernel_write+0x3c0/0x3c0 [ 213.652355][ T1728] ? mutex_trylock+0xb0/0xb0 [ 213.656924][ T1728] ? __fdget_pos+0x26d/0x310 [ 213.661488][ T1728] ? ksys_write+0x77/0x2c0 [ 213.665877][ T1728] ksys_write+0x198/0x2c0 [ 213.670273][ T1728] ? __ia32_sys_read+0x90/0x90 [ 213.675010][ T1728] ? debug_smp_processor_id+0x17/0x20 [ 213.680356][ T1728] __x64_sys_write+0x7b/0x90 [ 213.684919][ T1728] do_syscall_64+0x34/0x70 [ 213.689313][ T1728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 213.695177][ T1728] RIP: 0033:0x7f5d5b96a0e9 [ 213.699567][ T1728] 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 [ 213.719244][ T1728] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 213.727686][ T1728] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 213.735634][ T1728] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 213.744711][ T1728] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 213.752658][ T1728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 213.760626][ T1728] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 213.768751][ T1728] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 213.775979][ T1728] !!!! control_disable control_disable ss name cpu [ 213.782547][ T1728] !!!! control_disable control_disable ss name memory [ 213.789453][ T1728] !!!! control_disable control_disable ss name pids [ 213.796118][ T1728] !!!! control_disable kill_css(ffff8881216a7800) [ 213.802691][ T1728] !!!! IN kill css_get(ffff8881216a7800) [ 213.808428][ T1728] !!!! IN kill css_get(ffff8881216a7800) [ 213.814192][ T1728] !!!! control_disable control_disable ss name cpu [ 213.820714][ T1728] !!!! control_disable control_disable ss name memory [ 213.827744][ T1728] !!!! control_disable control_disable ss name pids [ 213.834429][ T1728] !!!! control_disable kill_css(ffff8881216a7c00) [ 213.841786][ T1728] !!!! IN kill css_get(ffff8881216a7c00) [ 213.847656][ T1728] !!!! IN kill css_get(ffff8881216a7c00) [ 213.847769][ C1] !!!! css_killed_ref_fn enqueue(ffff8881216a7800) [ 213.853751][ T1728] !!!! control_disable control_disable ss name cpu [ 213.866546][ T1728] !!!! control_disable control_disable ss name memory [ 213.873322][ T1728] !!!! control_disable control_disable ss name pids [ 213.879910][ T1728] !!!! control_disable kill_css(ffff8881216a4000) [ 213.886427][ T1728] !!!! IN kill css_get(ffff8881216a4000) [ 213.892164][ T1728] !!!! IN kill css_get(ffff8881216a4000) [ 213.897864][ T1728] !!!! control_disable control_disable ss name cpu [ 213.904377][ T1728] !!!! control_disable control_disable ss name memory [ 213.911126][ T1728] !!!! control_disable control_disable ss name cpu [ 213.917654][ T1728] !!!! control_disable control_disable ss name memory [ 213.924503][ T1728] !!!! control_disable control_disable ss name cpu [ 213.931139][ T1728] !!!! control_disable control_disable ss name memory [ 213.937944][ T1728] !!!! control_disable control_disable ss name cpu [ 213.944448][ C0] !!!! css_killed_ref_fn enqueue(ffff8881216a7c00) [ 213.951049][ T1728] !!!! control_disable control_disable ss name memory 2022/06/08 04:03:25 executed programs: 462 [ 213.957820][ T1728] !!!! control_disable control_disable ss name pids [ 213.964408][ C0] !!!! css_killed_ref_fn enqueue(ffff8881216a4000) [ 213.971008][ T1728] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 213.977558][ T5] !!!! css_release_work_fn(ffff8881103bac00) [ 213.983684][ T378] !!!! css_killed_work_fn css_put(ffff8881216a7800) [ 213.983766][ T5] !!!! css_free_rwork_fn(ffff888121996400) [ 213.991068][ T378] !!!! css_release enqueue(ffff8881216a7800) [ 214.002526][ T382] !!!! css_release_work_fn(ffff8881103b8800) [ 214.011957][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.014066][ T5] !!!! css_free_rwork_fn(ffff888121995c00) [ 214.018849][ T435] !!!! css_release_work_fn(ffff8881216a7800) [ 214.026210][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.031276][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.041218][ T382] !!!! css_killed_work_fn css_put(ffff8881216a7c00) [ 214.045142][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.051597][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.059580][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.068882][ T382] !!!! css_release enqueue(ffff8881216a7c00) [ 214.072833][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.078563][ T382] !!!! css_killed_work_fn css_put(ffff8881216a4000) [ 214.085512][ T435] !!!! css_free_rwork_fn(ffff8881216a7800) [ 214.092639][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.098175][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.105980][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.114187][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.119327][ T382] !!!! css_release enqueue(ffff8881216a4000) [ 214.126344][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.131743][ T1732] !!!! css_create css ffff88810f1be000 !!!! [ 214.144512][ T5] !!!! css_free_rwork_fn(ffff8881103bac00) [ 214.144676][ T1732] !!!! css_create css ffff888121a9d800 !!!! [ 214.150539][ T5] !!!! css_free_rwork_fn(ffff8881103b8800) [ 214.156882][ T1732] !!!! css_create css ffff888121a9d000 !!!! [ 214.168266][ T1732] FAULT_INJECTION: forcing a failure. [ 214.168266][ T1732] name failslab, interval 1, probability 0, space 0, times 0 [ 214.181021][ T1732] CPU: 1 PID: 1732 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 214.192639][ T1732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.202686][ T1732] Call Trace: [ 214.205971][ T1732] dump_stack_lvl+0x1e2/0x24b [ 214.210812][ T1732] ? bfq_pos_tree_add_move+0x43e/0x43e [ 214.216552][ T1732] ? serial8250_console_write+0xae0/0xe60 [ 214.222266][ T1732] dump_stack+0x15/0x17 [ 214.226647][ T1732] should_fail+0x3c0/0x510 [ 214.231148][ T1732] ? __kernfs_new_node+0x99/0x6e0 [ 214.236187][ T1732] __should_failslab+0x9f/0xe0 [ 214.240947][ T1732] should_failslab+0x9/0x20 [ 214.245455][ T1732] __kmalloc_track_caller+0x5f/0x350 [ 214.250733][ T1732] kstrdup_const+0x55/0x90 [ 214.255136][ T1732] __kernfs_new_node+0x99/0x6e0 [ 214.260084][ T1732] ? stack_trace_save+0x1f0/0x1f0 [ 214.265096][ T1732] ? kernfs_new_node+0x170/0x170 [ 214.270104][ T1732] ? ptr_to_hashval+0x60/0x60 [ 214.274966][ T1732] ? snprintf+0xd6/0x120 [ 214.279376][ T1732] kernfs_new_node+0x97/0x170 [ 214.284267][ T1732] __kernfs_create_file+0x4a/0x270 [ 214.289363][ T1732] cgroup_addrm_files+0xab8/0xfe0 [ 214.294392][ T1732] ? cgroup_apply_control_enable+0x734/0x12e0 [ 214.300486][ T1732] ? cgroup_apply_control+0x93/0x710 [ 214.305756][ T1732] ? cgroup_subtree_control_write+0xd19/0x1310 [ 214.311908][ T1732] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 214.318036][ T1732] ? delete_node+0x759/0x7b0 [ 214.322628][ T1732] ? __kasan_check_read+0x11/0x20 [ 214.327630][ T1732] ? delete_node+0x759/0x7b0 [ 214.332210][ T1732] ? __kasan_check_write+0x14/0x20 [ 214.337401][ T1732] ? __radix_tree_replace+0x246/0x2e0 [ 214.342777][ T1732] ? idr_get_next+0x4b0/0x4b0 [ 214.347457][ T1732] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 214.352462][ T1732] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 214.357664][ T1732] css_populate_dir+0x137/0x370 [ 214.362513][ T1732] cgroup_apply_control_enable+0x629/0x12e0 [ 214.368414][ T1732] cgroup_apply_control+0x93/0x710 [ 214.373509][ T1732] ? css_next_child+0x160/0x160 [ 214.379493][ T1732] ? set_next_entity+0xc5/0x390 [ 214.384335][ T1732] ? io_schedule+0x120/0x120 [ 214.389362][ T1732] ? kernfs_fop_write_iter+0x15e/0x410 [ 214.394800][ T1732] ? __kasan_check_write+0x14/0x20 [ 214.399976][ T1732] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 214.405324][ T1732] cgroup_subtree_control_write+0xd19/0x1310 [ 214.411282][ T1732] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 214.417241][ T1732] ? __kasan_check_write+0x14/0x20 [ 214.422330][ T1732] ? _copy_from_iter+0x3fb/0xd60 [ 214.427271][ T1732] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 214.433345][ T1732] cgroup_file_write+0x28e/0x590 [ 214.438271][ T1732] ? cgroup_seqfile_stop+0xc0/0xc0 [ 214.443369][ T1732] ? mutex_lock+0xa6/0x110 [ 214.448032][ T1732] ? mutex_trylock+0xb0/0xb0 [ 214.452603][ T1732] ? __kasan_check_write+0x14/0x20 [ 214.457706][ T1732] kernfs_fop_write_iter+0x2d0/0x410 [ 214.462989][ T1732] ? cgroup_seqfile_stop+0xc0/0xc0 [ 214.468286][ T1732] vfs_write+0xc1c/0xf40 [ 214.472527][ T1732] ? kernel_write+0x3c0/0x3c0 [ 214.477198][ T1732] ? mutex_trylock+0xb0/0xb0 [ 214.481784][ T1732] ? __fdget_pos+0x26d/0x310 [ 214.486365][ T1732] ? ksys_write+0x77/0x2c0 [ 214.490842][ T1732] ksys_write+0x198/0x2c0 [ 214.495149][ T1732] ? __ia32_sys_read+0x90/0x90 [ 214.499897][ T1732] ? debug_smp_processor_id+0x17/0x20 [ 214.505256][ T1732] __x64_sys_write+0x7b/0x90 [ 214.509835][ T1732] do_syscall_64+0x34/0x70 [ 214.514424][ T1732] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 214.520313][ T1732] RIP: 0033:0x7fe9a8a760e9 [ 214.524718][ T1732] 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 [ 214.544600][ T1732] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 214.553012][ T1732] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 214.560973][ T1732] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 214.569130][ T1732] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 214.577092][ T1732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 214.585150][ T1732] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 214.593645][ T1732] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 214.600683][ T1732] !!!! control_disable control_disable ss name cpu [ 214.607905][ T1732] !!!! control_disable control_disable ss name memory [ 214.614880][ T1732] !!!! control_disable control_disable ss name pids [ 214.621472][ T1732] !!!! control_disable kill_css(ffff88810f1be000) [ 214.628080][ T1732] !!!! IN kill css_get(ffff88810f1be000) [ 214.634030][ T1732] !!!! IN kill css_get(ffff88810f1be000) [ 214.639887][ T1732] !!!! control_disable control_disable ss name cpu [ 214.646712][ T1732] !!!! control_disable control_disable ss name memory [ 214.653673][ T1732] !!!! control_disable control_disable ss name pids [ 214.660522][ T1732] !!!! control_disable kill_css(ffff888121a9d800) [ 214.667448][ T1732] !!!! IN kill css_get(ffff888121a9d800) [ 214.673245][ T1732] !!!! IN kill css_get(ffff888121a9d800) [ 214.679044][ T1732] !!!! control_disable control_disable ss name cpu [ 214.685573][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f1be000) [ 214.692836][ T1732] !!!! control_disable control_disable ss name memory [ 214.699571][ T1732] !!!! control_disable control_disable ss name pids [ 214.706184][ T1732] !!!! control_disable kill_css(ffff888121a9d000) [ 214.712704][ C0] !!!! css_killed_ref_fn enqueue(ffff888121a9d800) [ 214.719308][ T1732] !!!! IN kill css_get(ffff888121a9d000) [ 214.725083][ T1732] !!!! IN kill css_get(ffff888121a9d000) [ 214.730879][ T1732] !!!! control_disable control_disable ss name cpu [ 214.737755][ T1732] !!!! control_disable control_disable ss name memory [ 214.744800][ T1732] !!!! control_disable control_disable ss name cpu [ 214.751343][ T1732] !!!! control_disable control_disable ss name memory [ 214.758197][ T1732] !!!! control_disable control_disable ss name cpu [ 214.764799][ T1732] !!!! control_disable control_disable ss name memory [ 214.771568][ T1732] !!!! control_disable control_disable ss name cpu [ 214.771658][ C1] !!!! css_killed_ref_fn enqueue(ffff888121a9d000) [ 214.779318][ T1732] !!!! control_disable control_disable ss name memory [ 214.793054][ T1732] !!!! control_disable control_disable ss name pids [ 214.799735][ T1732] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 214.806282][ T5] !!!! css_release_work_fn(ffff8881216a7c00) [ 214.807648][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.816155][ T5] !!!! css_release_work_fn(ffff8881216a4000) [ 214.827254][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.831804][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.834220][ T435] !!!! css_killed_work_fn css_put(ffff888121a9d000) [ 214.841205][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.848529][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.859764][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.861411][ T435] !!!! css_release enqueue(ffff888121a9d000) [ 214.868540][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.874610][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.881587][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.888206][ T435] !!!! css_release_work_fn(ffff888121a9d000) [ 214.896215][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.901624][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.909205][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.921605][ T34] !!!! css_killed_work_fn css_put(ffff88810f1be000) [ 214.928386][ T34] !!!! css_release enqueue(ffff88810f1be000) [ 214.934548][ T34] !!!! css_killed_work_fn css_put(ffff888121a9d800) [ 214.941419][ T34] !!!! css_release enqueue(ffff888121a9d800) [ 214.942445][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.951713][ T1757] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 214.954609][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.960817][ T1736] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 214.968006][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.974505][ T1726] !!!! css_create css ffff88810f302c00 !!!! [ 214.981859][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 214.987267][ T34] !!!! css_free_rwork_fn(ffff8881216a7c00) [ 214.993956][ T435] !!!! css_free_rwork_fn(ffff888121a9d000) [ 214.999795][ T1726] !!!! css_create css ffff88810f301000 !!!! [ 215.011556][ T34] !!!! css_free_rwork_fn(ffff8881216a4000) [ 215.011967][ T1726] !!!! css_create css ffff88811007e800 !!!! [ 215.023469][ T1726] FAULT_INJECTION: forcing a failure. [ 215.023469][ T1726] name failslab, interval 1, probability 0, space 0, times 0 [ 215.036247][ T1726] CPU: 0 PID: 1726 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 215.047934][ T1726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.057976][ T1726] Call Trace: [ 215.061248][ T1726] dump_stack_lvl+0x1e2/0x24b [ 215.065902][ T1726] ? bfq_pos_tree_add_move+0x43e/0x43e [ 215.071336][ T1726] dump_stack+0x15/0x17 [ 215.075477][ T1726] should_fail+0x3c0/0x510 [ 215.079881][ T1726] ? __kernfs_new_node+0x99/0x6e0 [ 215.084912][ T1726] __should_failslab+0x9f/0xe0 [ 215.089667][ T1726] should_failslab+0x9/0x20 [ 215.094181][ T1726] __kmalloc_track_caller+0x5f/0x350 [ 215.099448][ T1726] kstrdup_const+0x55/0x90 [ 215.103849][ T1726] __kernfs_new_node+0x99/0x6e0 [ 215.108684][ T1726] ? stack_trace_save+0x1f0/0x1f0 [ 215.113702][ T1726] ? kernfs_new_node+0x170/0x170 [ 215.118629][ T1726] ? ptr_to_hashval+0x60/0x60 [ 215.123291][ T1726] ? snprintf+0xd6/0x120 [ 215.127515][ T1726] ? debug_smp_processor_id+0x17/0x20 [ 215.132865][ T1726] kernfs_new_node+0x97/0x170 [ 215.137520][ T1726] __kernfs_create_file+0x4a/0x270 [ 215.142608][ T1726] cgroup_addrm_files+0xab8/0xfe0 [ 215.147611][ T1726] ? cgroup_apply_control_enable+0x734/0x12e0 [ 215.153651][ T1726] ? cgroup_apply_control+0x93/0x710 [ 215.158927][ T1726] ? cgroup_subtree_control_write+0xd19/0x1310 [ 215.165074][ T1726] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 215.171211][ T1726] ? delete_node+0x759/0x7b0 [ 215.175791][ T1726] ? __kasan_check_read+0x11/0x20 [ 215.180798][ T1726] ? delete_node+0x759/0x7b0 [ 215.185379][ T1726] ? __kasan_check_write+0x14/0x20 [ 215.190472][ T1726] ? __radix_tree_replace+0x246/0x2e0 [ 215.195832][ T1726] ? idr_get_next+0x4b0/0x4b0 [ 215.200484][ T1726] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 215.205481][ T1726] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 215.210663][ T1726] css_populate_dir+0x137/0x370 [ 215.215493][ T1726] cgroup_apply_control_enable+0x629/0x12e0 [ 215.221361][ T1726] cgroup_apply_control+0x93/0x710 [ 215.226447][ T1726] ? css_next_child+0x160/0x160 [ 215.231282][ T1726] ? set_next_entity+0xc5/0x390 [ 215.236105][ T1726] ? io_schedule+0x120/0x120 [ 215.240673][ T1726] ? kernfs_fop_write_iter+0x15e/0x410 [ 215.246106][ T1726] ? __kasan_check_write+0x14/0x20 [ 215.252755][ T1726] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 215.258034][ T1726] cgroup_subtree_control_write+0xd19/0x1310 [ 215.263988][ T1726] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 215.269945][ T1726] ? __kasan_check_write+0x14/0x20 [ 215.275034][ T1726] ? _copy_from_iter+0x3fb/0xd60 [ 215.280038][ T1726] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 215.285992][ T1726] cgroup_file_write+0x28e/0x590 [ 215.290904][ T1726] ? cgroup_seqfile_stop+0xc0/0xc0 [ 215.295987][ T1726] ? mutex_lock+0xa6/0x110 [ 215.300383][ T1726] ? mutex_trylock+0xb0/0xb0 [ 215.304956][ T1726] ? __kasan_check_write+0x14/0x20 [ 215.310044][ T1726] kernfs_fop_write_iter+0x2d0/0x410 [ 215.315302][ T1726] ? cgroup_seqfile_stop+0xc0/0xc0 [ 215.320396][ T1726] vfs_write+0xc1c/0xf40 [ 215.324615][ T1726] ? kernel_write+0x3c0/0x3c0 [ 215.329269][ T1726] ? mutex_trylock+0xb0/0xb0 [ 215.333836][ T1726] ? __fdget_pos+0x26d/0x310 [ 215.338402][ T1726] ? ksys_write+0x77/0x2c0 [ 215.342794][ T1726] ksys_write+0x198/0x2c0 [ 215.347101][ T1726] ? __ia32_sys_read+0x90/0x90 [ 215.351851][ T1726] ? debug_smp_processor_id+0x17/0x20 [ 215.357202][ T1726] __x64_sys_write+0x7b/0x90 [ 215.361771][ T1726] do_syscall_64+0x34/0x70 [ 215.366167][ T1726] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 215.372044][ T1726] RIP: 0033:0x7ff3e27b70e9 [ 215.376438][ T1726] 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 [ 215.396108][ T1726] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 215.404498][ T1726] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 215.412457][ T1726] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 215.420411][ T1726] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 215.428361][ T1726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 215.436319][ T1726] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 215.444718][ T1726] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 215.451826][ T1726] !!!! control_disable control_disable ss name cpu [ 215.458348][ T1726] !!!! control_disable control_disable ss name memory [ 215.465303][ T1726] !!!! control_disable control_disable ss name pids [ 215.472014][ T1726] !!!! control_disable kill_css(ffff88810f302c00) [ 215.478566][ T1726] !!!! IN kill css_get(ffff88810f302c00) [ 215.484321][ T1726] !!!! IN kill css_get(ffff88810f302c00) [ 215.490066][ T1726] !!!! control_disable control_disable ss name cpu [ 215.496623][ T1726] !!!! control_disable control_disable ss name memory [ 215.503410][ T1726] !!!! control_disable control_disable ss name pids [ 215.510092][ T1726] !!!! control_disable kill_css(ffff88810f301000) [ 215.516698][ T1726] !!!! IN kill css_get(ffff88810f301000) [ 215.522631][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f302c00) [ 215.529416][ T1726] !!!! IN kill css_get(ffff88810f301000) [ 215.535262][ T1726] !!!! control_disable control_disable ss name cpu [ 215.541767][ T1726] !!!! control_disable control_disable ss name memory [ 215.548511][ T1726] !!!! control_disable control_disable ss name pids [ 215.555140][ T1726] !!!! control_disable kill_css(ffff88811007e800) [ 215.561665][ T1726] !!!! IN kill css_get(ffff88811007e800) [ 215.567365][ T1726] !!!! IN kill css_get(ffff88811007e800) [ 215.573200][ T1726] !!!! control_disable control_disable ss name cpu [ 215.579853][ T1726] !!!! control_disable control_disable ss name memory [ 215.586619][ T1726] !!!! control_disable control_disable ss name cpu [ 215.593119][ T1726] !!!! control_disable control_disable ss name memory [ 215.599850][ T1726] !!!! control_disable control_disable ss name cpu [ 215.606349][ T1726] !!!! control_disable control_disable ss name memory [ 215.613106][ T1726] !!!! control_disable control_disable ss name cpu [ 215.619576][ T1726] !!!! control_disable control_disable ss name memory [ 215.626461][ T1726] !!!! control_disable control_disable ss name pids [ 215.633101][ T1726] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 215.633116][ T34] !!!! css_release_work_fn(ffff88810f1be000) [ 215.645714][ T34] !!!! css_release_work_fn(ffff888121a9d800) [ 215.647258][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 215.658673][ T435] !!!! css_killed_work_fn css_put(ffff88810f302c00) [ 215.659310][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 215.665962][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f301000) [ 215.665990][ C1] !!!! css_killed_ref_fn enqueue(ffff88811007e800) [ 215.673799][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 215.679744][ T435] !!!! css_release enqueue(ffff88810f302c00) [ 215.688217][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 215.693793][ T435] !!!! css_killed_work_fn css_put(ffff88810f301000) [ 215.699509][ T5] !!!! css_free_rwork_fn(ffff88810f1be000) [ 215.706341][ T435] !!!! css_release enqueue(ffff88810f301000) [ 215.713371][ T5] !!!! css_free_rwork_fn(ffff888121a9d800) [ 215.719501][ T435] !!!! css_killed_work_fn css_put(ffff88811007e800) [ 215.737609][ T435] !!!! css_release enqueue(ffff88811007e800) [ 215.743900][ T1757] !!!! css_create css ffff88811007c400 !!!! [ 215.749823][ T1757] !!!! css_create css ffff88811007d800 !!!! [ 215.755917][ T1757] !!!! css_create css ffff88810f34f800 !!!! [ 215.761967][ T1757] FAULT_INJECTION: forcing a failure. [ 215.761967][ T1757] name failslab, interval 1, probability 0, space 0, times 0 [ 215.774561][ T1757] CPU: 1 PID: 1757 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 215.787458][ T1757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.797489][ T1757] Call Trace: [ 215.800769][ T1757] dump_stack_lvl+0x1e2/0x24b [ 215.805435][ T1757] ? bfq_pos_tree_add_move+0x43e/0x43e [ 215.810879][ T1757] dump_stack+0x15/0x17 [ 215.815018][ T1757] should_fail+0x3c0/0x510 [ 215.819409][ T1757] ? __kernfs_new_node+0x99/0x6e0 [ 215.824406][ T1757] __should_failslab+0x9f/0xe0 [ 215.829153][ T1757] should_failslab+0x9/0x20 [ 215.833637][ T1757] __kmalloc_track_caller+0x5f/0x350 [ 215.838900][ T1757] kstrdup_const+0x55/0x90 [ 215.843295][ T1757] __kernfs_new_node+0x99/0x6e0 [ 215.848135][ T1757] ? stack_trace_save+0x1f0/0x1f0 [ 215.853149][ T1757] ? kernfs_new_node+0x170/0x170 [ 215.858165][ T1757] ? ptr_to_hashval+0x60/0x60 [ 215.862843][ T1757] ? snprintf+0xd6/0x120 [ 215.867073][ T1757] kernfs_new_node+0x97/0x170 [ 215.871730][ T1757] __kernfs_create_file+0x4a/0x270 [ 215.876831][ T1757] cgroup_addrm_files+0xab8/0xfe0 [ 215.881934][ T1757] ? cgroup_apply_control_enable+0x734/0x12e0 [ 215.888164][ T1757] ? cgroup_apply_control+0x93/0x710 [ 215.893427][ T1757] ? cgroup_subtree_control_write+0xd19/0x1310 [ 215.899647][ T1757] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 215.905773][ T1757] ? delete_node+0x759/0x7b0 [ 215.910358][ T1757] ? __kasan_check_read+0x11/0x20 [ 215.915365][ T1757] ? delete_node+0x759/0x7b0 [ 215.920033][ T1757] ? __kasan_check_write+0x14/0x20 [ 215.925121][ T1757] ? __radix_tree_replace+0x246/0x2e0 [ 215.930471][ T1757] ? idr_get_next+0x4b0/0x4b0 [ 215.935129][ T1757] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 215.940142][ T1757] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 215.945347][ T1757] css_populate_dir+0x137/0x370 [ 215.950299][ T1757] cgroup_apply_control_enable+0x629/0x12e0 [ 215.956177][ T1757] cgroup_apply_control+0x93/0x710 [ 215.961267][ T1757] ? css_next_child+0x160/0x160 [ 215.966097][ T1757] ? io_schedule+0x120/0x120 [ 215.970672][ T1757] ? kernfs_fop_write_iter+0x15e/0x410 [ 215.976112][ T1757] ? __kasan_check_write+0x14/0x20 [ 215.981204][ T1757] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 215.986469][ T1757] cgroup_subtree_control_write+0xd19/0x1310 [ 215.992432][ T1757] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 215.998396][ T1757] ? __kasan_check_write+0x14/0x20 [ 216.003497][ T1757] ? _copy_from_iter+0x3fb/0xd60 [ 216.008411][ T1757] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 216.014369][ T1757] cgroup_file_write+0x28e/0x590 [ 216.019285][ T1757] ? cgroup_seqfile_stop+0xc0/0xc0 [ 216.024370][ T1757] ? mutex_lock+0xa6/0x110 [ 216.028771][ T1757] ? mutex_trylock+0xb0/0xb0 [ 216.033335][ T1757] ? __kasan_check_write+0x14/0x20 [ 216.038421][ T1757] kernfs_fop_write_iter+0x2d0/0x410 [ 216.043680][ T1757] ? cgroup_seqfile_stop+0xc0/0xc0 [ 216.048776][ T1757] vfs_write+0xc1c/0xf40 [ 216.052994][ T1757] ? kernel_write+0x3c0/0x3c0 [ 216.057646][ T1757] ? mutex_trylock+0xb0/0xb0 [ 216.062301][ T1757] ? __fdget_pos+0x26d/0x310 [ 216.066864][ T1757] ? ksys_write+0x77/0x2c0 [ 216.071261][ T1757] ksys_write+0x198/0x2c0 [ 216.075743][ T1757] ? __ia32_sys_read+0x90/0x90 [ 216.080482][ T1757] ? debug_smp_processor_id+0x17/0x20 [ 216.085828][ T1757] __x64_sys_write+0x7b/0x90 [ 216.090394][ T1757] do_syscall_64+0x34/0x70 [ 216.094797][ T1757] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 216.100667][ T1757] RIP: 0033:0x7f5d5b96a0e9 [ 216.105065][ T1757] 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 [ 216.124685][ T1757] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 216.133080][ T1757] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 216.141027][ T1757] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 216.148973][ T1757] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 216.156919][ T1757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 216.164866][ T1757] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 216.172969][ T1757] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 216.181403][ T1757] !!!! control_disable control_disable ss name cpu [ 216.187999][ T1757] !!!! control_disable control_disable ss name memory [ 216.194809][ T1757] !!!! control_disable control_disable ss name pids [ 216.201398][ T1757] !!!! control_disable kill_css(ffff88811007c400) [ 216.207966][ T1757] !!!! IN kill css_get(ffff88811007c400) [ 216.213702][ T1757] !!!! IN kill css_get(ffff88811007c400) [ 216.219527][ T1757] !!!! control_disable control_disable ss name cpu [ 216.226069][ T1757] !!!! control_disable control_disable ss name memory [ 216.232855][ T1757] !!!! control_disable control_disable ss name pids [ 216.239459][ T1757] !!!! control_disable kill_css(ffff88811007d800) [ 216.246513][ C0] !!!! css_killed_ref_fn enqueue(ffff88811007c400) [ 216.253714][ T1757] !!!! IN kill css_get(ffff88811007d800) [ 216.259416][ T1757] !!!! IN kill css_get(ffff88811007d800) [ 216.265188][ T1757] !!!! control_disable control_disable ss name cpu [ 216.271696][ T1757] !!!! control_disable control_disable ss name memory [ 216.278431][ T1757] !!!! control_disable control_disable ss name pids [ 216.285202][ T1757] !!!! control_disable kill_css(ffff88810f34f800) [ 216.291783][ T1757] !!!! IN kill css_get(ffff88810f34f800) [ 216.297477][ T1757] !!!! IN kill css_get(ffff88810f34f800) [ 216.303200][ T1757] !!!! control_disable control_disable ss name cpu [ 216.309701][ T1757] !!!! control_disable control_disable ss name memory [ 216.316474][ T1757] !!!! control_disable control_disable ss name cpu [ 216.323096][ T1757] !!!! control_disable control_disable ss name memory [ 216.329927][ T1757] !!!! control_disable control_disable ss name cpu [ 216.336522][ T1757] !!!! control_disable control_disable ss name memory [ 216.343307][ T1757] !!!! control_disable control_disable ss name cpu [ 216.349777][ T1757] !!!! control_disable control_disable ss name memory [ 216.356533][ T1757] !!!! control_disable control_disable ss name pids [ 216.363145][ T1757] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 216.363224][ T435] !!!! css_release_work_fn(ffff88810f302c00) [ 216.373355][ C0] !!!! css_killed_ref_fn enqueue(ffff88811007d800) [ 216.375759][ T435] !!!! css_release_work_fn(ffff88810f301000) [ 216.382326][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f34f800) [ 216.388363][ T435] !!!! css_release_work_fn(ffff88811007e800) [ 216.396593][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.407870][ T5] !!!! css_killed_work_fn css_put(ffff88811007c400) [ 216.409054][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.414688][ T5] !!!! css_release enqueue(ffff88811007c400) [ 216.425159][ T435] !!!! css_free_rwork_fn(ffff88810f302c00) [ 216.428060][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.433564][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.440985][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.447415][ T435] !!!! css_free_rwork_fn(ffff88810f301000) [ 216.454061][ T5] !!!! css_killed_work_fn css_put(ffff88811007d800) [ 216.460572][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.466947][ T5] !!!! css_release enqueue(ffff88811007d800) [ 216.473711][ T435] !!!! css_free_rwork_fn(ffff88811007e800) [ 216.479870][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.486501][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 216.492619][ T34] !!!! css_killed_work_fn css_put(ffff88810f34f800) [ 216.505870][ T34] !!!! css_release enqueue(ffff88810f34f800) [ 216.512069][ T1759] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 216.512274][ T1737] !!!! css_create css ffff888121c26000 !!!! [ 216.524542][ T1737] !!!! css_create css ffff888121c24400 !!!! [ 216.530440][ T1737] !!!! css_create css ffff888121c25800 !!!! [ 216.536400][ T1737] FAULT_INJECTION: forcing a failure. [ 216.536400][ T1737] name failslab, interval 1, probability 0, space 0, times 0 [ 216.549007][ T1737] CPU: 1 PID: 1737 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 216.560602][ T1737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.570633][ T1737] Call Trace: [ 216.573932][ T1737] dump_stack_lvl+0x1e2/0x24b [ 216.578594][ T1737] ? bfq_pos_tree_add_move+0x43e/0x43e [ 216.584035][ T1737] dump_stack+0x15/0x17 [ 216.588266][ T1737] should_fail+0x3c0/0x510 [ 216.592660][ T1737] ? __kernfs_new_node+0x99/0x6e0 [ 216.597675][ T1737] __should_failslab+0x9f/0xe0 [ 216.602432][ T1737] should_failslab+0x9/0x20 [ 216.606912][ T1737] __kmalloc_track_caller+0x5f/0x350 [ 216.612170][ T1737] kstrdup_const+0x55/0x90 [ 216.616824][ T1737] __kernfs_new_node+0x99/0x6e0 [ 216.621672][ T1737] ? stack_trace_save+0x1f0/0x1f0 [ 216.626684][ T1737] ? kernfs_new_node+0x170/0x170 [ 216.631607][ T1737] ? ptr_to_hashval+0x60/0x60 [ 216.636268][ T1737] ? snprintf+0xd6/0x120 [ 216.640493][ T1737] kernfs_new_node+0x97/0x170 [ 216.645241][ T1737] __kernfs_create_file+0x4a/0x270 [ 216.650326][ T1737] cgroup_addrm_files+0xab8/0xfe0 [ 216.655340][ T1737] ? cgroup_apply_control_enable+0x734/0x12e0 [ 216.661381][ T1737] ? cgroup_apply_control+0x93/0x710 [ 216.666726][ T1737] ? cgroup_subtree_control_write+0xd19/0x1310 [ 216.672852][ T1737] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 216.678991][ T1737] ? delete_node+0x759/0x7b0 [ 216.685468][ T1737] ? __kasan_check_read+0x11/0x20 [ 216.690469][ T1737] ? delete_node+0x759/0x7b0 [ 216.695037][ T1737] ? __kasan_check_write+0x14/0x20 [ 216.700122][ T1737] ? __radix_tree_replace+0x246/0x2e0 [ 216.705476][ T1737] ? idr_get_next+0x4b0/0x4b0 [ 216.710124][ T1737] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 216.715382][ T1737] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 216.720623][ T1737] css_populate_dir+0x137/0x370 [ 216.725457][ T1737] cgroup_apply_control_enable+0x629/0x12e0 [ 216.731321][ T1737] cgroup_apply_control+0x93/0x710 [ 216.736405][ T1737] ? css_next_child+0x160/0x160 [ 216.741236][ T1737] ? set_next_entity+0xc5/0x390 [ 216.746060][ T1737] ? io_schedule+0x120/0x120 [ 216.750636][ T1737] ? kernfs_fop_write_iter+0x15e/0x410 [ 216.756078][ T1737] ? __kasan_check_write+0x14/0x20 [ 216.761173][ T1737] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 216.766433][ T1737] cgroup_subtree_control_write+0xd19/0x1310 [ 216.772389][ T1737] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 216.778353][ T1737] ? __kasan_check_write+0x14/0x20 [ 216.783873][ T1737] ? _copy_from_iter+0x3fb/0xd60 [ 216.789048][ T1737] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 216.795011][ T1737] cgroup_file_write+0x28e/0x590 [ 216.799927][ T1737] ? cgroup_seqfile_stop+0xc0/0xc0 [ 216.805019][ T1737] ? mutex_lock+0xa6/0x110 [ 216.809445][ T1737] ? mutex_trylock+0xb0/0xb0 [ 216.814009][ T1737] ? __kasan_check_write+0x14/0x20 [ 216.819103][ T1737] kernfs_fop_write_iter+0x2d0/0x410 [ 216.824364][ T1737] ? cgroup_seqfile_stop+0xc0/0xc0 [ 216.829490][ T1737] vfs_write+0xc1c/0xf40 [ 216.833728][ T1737] ? kernel_write+0x3c0/0x3c0 [ 216.838391][ T1737] ? mutex_trylock+0xb0/0xb0 [ 216.842971][ T1737] ? __fdget_pos+0x26d/0x310 [ 216.847540][ T1737] ? ksys_write+0x77/0x2c0 [ 216.851945][ T1737] ksys_write+0x198/0x2c0 [ 216.856529][ T1737] ? __ia32_sys_read+0x90/0x90 [ 216.861279][ T1737] ? debug_smp_processor_id+0x17/0x20 [ 216.866637][ T1737] __x64_sys_write+0x7b/0x90 [ 216.871225][ T1737] do_syscall_64+0x34/0x70 [ 216.875632][ T1737] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 216.881504][ T1737] RIP: 0033:0x7f75104510e9 [ 216.885917][ T1737] 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 [ 216.905519][ T1737] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 216.913942][ T1737] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 216.921900][ T1737] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 216.929849][ T1737] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 216.937805][ T1737] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 216.945762][ T1737] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 216.953809][ T1737] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 216.960825][ T1737] !!!! control_disable control_disable ss name cpu [ 216.967327][ T1737] !!!! control_disable control_disable ss name memory [ 216.974163][ T1737] !!!! control_disable control_disable ss name pids [ 216.980806][ T1737] !!!! control_disable kill_css(ffff888121c26000) [ 216.987404][ T1737] !!!! IN kill css_get(ffff888121c26000) [ 216.993168][ T1737] !!!! IN kill css_get(ffff888121c26000) [ 216.998927][ T1737] !!!! control_disable control_disable ss name cpu [ 217.005499][ T1737] !!!! control_disable control_disable ss name memory [ 217.012330][ T1737] !!!! control_disable control_disable ss name pids [ 217.018915][ T1737] !!!! control_disable kill_css(ffff888121c24400) [ 217.025537][ T1737] !!!! IN kill css_get(ffff888121c24400) [ 217.031303][ T1737] !!!! IN kill css_get(ffff888121c24400) [ 217.037257][ T1737] !!!! control_disable control_disable ss name cpu [ 217.043883][ T1737] !!!! control_disable control_disable ss name memory [ 217.043994][ C0] !!!! css_killed_ref_fn enqueue(ffff888121c26000) [ 217.050691][ T1737] !!!! control_disable control_disable ss name pids [ 217.063837][ T1737] !!!! control_disable kill_css(ffff888121c25800) [ 217.070310][ T1737] !!!! IN kill css_get(ffff888121c25800) [ 217.076050][ T1737] !!!! IN kill css_get(ffff888121c25800) [ 217.081663][ C0] !!!! css_killed_ref_fn enqueue(ffff888121c24400) [ 217.081771][ T1737] !!!! control_disable control_disable ss name cpu [ 217.094814][ T1737] !!!! control_disable control_disable ss name memory [ 217.101550][ T1737] !!!! control_disable control_disable ss name cpu [ 217.108048][ T1737] !!!! control_disable control_disable ss name memory [ 217.114797][ T1737] !!!! control_disable control_disable ss name cpu [ 217.121266][ T1737] !!!! control_disable control_disable ss name memory [ 217.128014][ T1737] !!!! control_disable control_disable ss name cpu [ 217.134642][ T1737] !!!! control_disable control_disable ss name memory [ 217.141380][ T1737] !!!! control_disable control_disable ss name pids [ 217.147979][ T1737] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 217.148285][ T5] !!!! css_release_work_fn(ffff88811007c400) [ 217.160623][ T5] !!!! css_release_work_fn(ffff88811007d800) [ 217.165689][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.167312][ T5] !!!! css_release_work_fn(ffff88810f34f800) [ 217.173573][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c25800) [ 217.179762][ T5] !!!! css_killed_work_fn css_put(ffff888121c26000) [ 217.186480][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.193122][ T5] !!!! css_release enqueue(ffff888121c26000) [ 217.200366][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.206081][ T5] !!!! css_killed_work_fn css_put(ffff888121c24400) [ 217.213359][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.220148][ T5] !!!! css_release enqueue(ffff888121c24400) [ 217.232377][ T378] !!!! css_killed_work_fn css_put(ffff888121c25800) [ 217.239108][ T378] !!!! css_release enqueue(ffff888121c25800) [ 217.245288][ T378] !!!! css_release_work_fn(ffff888121c25800) [ 217.251387][ T1773] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 217.251688][ T1771] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 217.258031][ T1775] !!!! css_create css ffff888121c24c00 !!!! [ 217.270422][ T1775] !!!! css_create css ffff888121c27400 !!!! [ 217.276471][ T1775] !!!! css_create css ffff888121c26c00 !!!! [ 217.282657][ T1775] FAULT_INJECTION: forcing a failure. [ 217.282657][ T1775] name failslab, interval 1, probability 0, space 0, times 0 [ 217.295572][ T1775] CPU: 1 PID: 1775 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 217.307176][ T1775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.317330][ T1775] Call Trace: [ 217.320603][ T1775] dump_stack_lvl+0x1e2/0x24b [ 217.325263][ T1775] ? bfq_pos_tree_add_move+0x43e/0x43e [ 217.330699][ T1775] dump_stack+0x15/0x17 [ 217.334832][ T1775] should_fail+0x3c0/0x510 [ 217.339225][ T1775] ? __kernfs_new_node+0x99/0x6e0 [ 217.344228][ T1775] __should_failslab+0x9f/0xe0 [ 217.349070][ T1775] should_failslab+0x9/0x20 [ 217.353549][ T1775] __kmalloc_track_caller+0x5f/0x350 [ 217.358809][ T1775] kstrdup_const+0x55/0x90 [ 217.363215][ T1775] __kernfs_new_node+0x99/0x6e0 [ 217.368043][ T1775] ? stack_trace_save+0x1f0/0x1f0 [ 217.373047][ T1775] ? kernfs_new_node+0x170/0x170 [ 217.378230][ T1775] ? ptr_to_hashval+0x60/0x60 [ 217.382897][ T1775] ? snprintf+0xd6/0x120 [ 217.387114][ T1775] kernfs_new_node+0x97/0x170 [ 217.391767][ T1775] __kernfs_create_file+0x4a/0x270 [ 217.396850][ T1775] cgroup_addrm_files+0xab8/0xfe0 [ 217.401860][ T1775] ? cgroup_apply_control_enable+0x734/0x12e0 [ 217.407908][ T1775] ? cgroup_apply_control+0x93/0x710 [ 217.413275][ T1775] ? cgroup_subtree_control_write+0xd19/0x1310 [ 217.419403][ T1775] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 217.425538][ T1775] ? delete_node+0x759/0x7b0 [ 217.430105][ T1775] ? __kasan_check_read+0x11/0x20 [ 217.435102][ T1775] ? delete_node+0x759/0x7b0 [ 217.439673][ T1775] ? __kasan_check_write+0x14/0x20 [ 217.444755][ T1775] ? __radix_tree_replace+0x246/0x2e0 [ 217.450111][ T1775] ? idr_get_next+0x4b0/0x4b0 [ 217.454760][ T1775] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 217.459756][ T1775] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 217.464927][ T1775] css_populate_dir+0x137/0x370 [ 217.469753][ T1775] cgroup_apply_control_enable+0x629/0x12e0 [ 217.475632][ T1775] cgroup_apply_control+0x93/0x710 [ 217.480715][ T1775] ? css_next_child+0x160/0x160 [ 217.485562][ T1775] ? set_next_entity+0xc5/0x390 [ 217.490390][ T1775] ? io_schedule+0x120/0x120 [ 217.494969][ T1775] ? kernfs_fop_write_iter+0x15e/0x410 [ 217.500403][ T1775] ? __kasan_check_write+0x14/0x20 [ 217.505492][ T1775] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 217.510840][ T1775] cgroup_subtree_control_write+0xd19/0x1310 [ 217.516805][ T1775] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 217.522758][ T1775] ? __kasan_check_write+0x14/0x20 [ 217.527930][ T1775] ? _copy_from_iter+0x3fb/0xd60 [ 217.532840][ T1775] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 217.538807][ T1775] cgroup_file_write+0x28e/0x590 [ 217.543718][ T1775] ? cgroup_seqfile_stop+0xc0/0xc0 [ 217.548806][ T1775] ? mutex_lock+0xa6/0x110 [ 217.553196][ T1775] ? mutex_trylock+0xb0/0xb0 [ 217.557775][ T1775] ? __kasan_check_write+0x14/0x20 [ 217.562860][ T1775] kernfs_fop_write_iter+0x2d0/0x410 [ 217.568117][ T1775] ? cgroup_seqfile_stop+0xc0/0xc0 [ 217.573204][ T1775] vfs_write+0xc1c/0xf40 [ 217.577420][ T1775] ? kernel_write+0x3c0/0x3c0 [ 217.582074][ T1775] ? mutex_trylock+0xb0/0xb0 [ 217.586654][ T1775] ? __fdget_pos+0x26d/0x310 [ 217.591217][ T1775] ? ksys_write+0x77/0x2c0 [ 217.595607][ T1775] ksys_write+0x198/0x2c0 [ 217.599929][ T1775] ? __ia32_sys_read+0x90/0x90 [ 217.604677][ T1775] ? debug_smp_processor_id+0x17/0x20 [ 217.610054][ T1775] __x64_sys_write+0x7b/0x90 [ 217.614628][ T1775] do_syscall_64+0x34/0x70 [ 217.619040][ T1775] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 217.624917][ T1775] RIP: 0033:0x7f5d5b96a0e9 [ 217.629319][ T1775] 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 [ 217.648898][ T1775] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 217.657296][ T1775] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 217.665269][ T1775] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 217.673221][ T1775] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 217.681177][ T1775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 217.689125][ T1775] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 217.697420][ T378] !!!! css_free_rwork_fn(ffff888121c25800) [ 217.700077][ T1775] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 217.710583][ T1775] !!!! control_disable control_disable ss name cpu [ 217.717539][ T1775] !!!! control_disable control_disable ss name memory [ 217.724383][ T1775] !!!! control_disable control_disable ss name pids [ 217.731042][ T1775] !!!! control_disable kill_css(ffff888121c24c00) [ 217.737666][ T1775] !!!! IN kill css_get(ffff888121c24c00) [ 217.743456][ T1775] !!!! IN kill css_get(ffff888121c24c00) [ 217.749202][ T1775] !!!! control_disable control_disable ss name cpu [ 217.755768][ T1775] !!!! control_disable control_disable ss name memory [ 217.762564][ T1775] !!!! control_disable control_disable ss name pids [ 217.769160][ T1775] !!!! control_disable kill_css(ffff888121c27400) [ 217.775990][ T1775] !!!! IN kill css_get(ffff888121c27400) [ 217.781750][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c24c00) [ 217.788392][ T1775] !!!! IN kill css_get(ffff888121c27400) [ 217.794170][ T1775] !!!! control_disable control_disable ss name cpu [ 217.800699][ T1775] !!!! control_disable control_disable ss name memory [ 217.807492][ T1775] !!!! control_disable control_disable ss name pids [ 217.814125][ T1775] !!!! control_disable kill_css(ffff888121c26c00) [ 217.820627][ T1775] !!!! IN kill css_get(ffff888121c26c00) [ 217.826603][ T1775] !!!! IN kill css_get(ffff888121c26c00) [ 217.832389][ T1775] !!!! control_disable control_disable ss name cpu [ 217.838880][ T1775] !!!! control_disable control_disable ss name memory [ 217.845692][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c27400) [ 217.852319][ T1775] !!!! control_disable control_disable ss name cpu [ 217.858799][ T1775] !!!! control_disable control_disable ss name memory [ 217.865588][ T1775] !!!! control_disable control_disable ss name cpu [ 217.872105][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c26c00) [ 217.878705][ T1775] !!!! control_disable control_disable ss name memory [ 217.885488][ T1775] !!!! control_disable control_disable ss name cpu [ 217.891998][ T1775] !!!! control_disable control_disable ss name memory [ 217.898750][ T1775] !!!! control_disable control_disable ss name pids [ 217.905561][ T1775] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 217.911496][ T5] !!!! css_release_work_fn(ffff888121c26000) [ 217.919084][ T5] !!!! css_free_rwork_fn(ffff88811007c400) [ 217.919616][ T378] !!!! css_killed_work_fn css_put(ffff888121c24c00) [ 217.925369][ T5] !!!! css_free_rwork_fn(ffff88811007d800) [ 217.933472][ T378] !!!! css_release enqueue(ffff888121c24c00) [ 217.943973][ T435] !!!! css_killed_work_fn css_put(ffff888121c27400) [ 217.950690][ T435] !!!! css_release enqueue(ffff888121c27400) [ 217.952098][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.963654][ T5] !!!! css_release_work_fn(ffff888121c24400) [ 217.964873][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.969788][ T5] !!!! css_free_rwork_fn(ffff88810f34f800) [ 217.980787][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.982945][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 217.989463][ T435] !!!! css_killed_work_fn css_put(ffff888121c26c00) [ 217.996405][ T5] !!!! css_free_rwork_fn(ffff888121c26000) [ 218.003685][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.009761][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.015802][ T435] !!!! css_release enqueue(ffff888121c26c00) [ 218.023382][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.029188][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.042447][ T1763] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 218.042800][ T5] !!!! css_free_rwork_fn(ffff888121c24400) [ 218.049052][ T1760] !!!! css_create css ffff888121c97800 !!!! [ 218.060984][ T1760] !!!! css_create css ffff888121c97c00 !!!! [ 218.066929][ T1760] !!!! css_create css ffff888121ca5800 !!!! [ 218.072936][ T1760] FAULT_INJECTION: forcing a failure. [ 218.072936][ T1760] name failslab, interval 1, probability 0, space 0, times 0 [ 218.085681][ T1760] CPU: 1 PID: 1760 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 218.097290][ T1760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.107329][ T1760] Call Trace: [ 218.110612][ T1760] dump_stack_lvl+0x1e2/0x24b [ 218.115266][ T1760] ? bfq_pos_tree_add_move+0x43e/0x43e [ 218.120715][ T1760] dump_stack+0x15/0x17 [ 218.124847][ T1760] should_fail+0x3c0/0x510 [ 218.129238][ T1760] ? __kernfs_new_node+0x99/0x6e0 [ 218.134235][ T1760] __should_failslab+0x9f/0xe0 [ 218.138976][ T1760] should_failslab+0x9/0x20 [ 218.143462][ T1760] __kmalloc_track_caller+0x5f/0x350 [ 218.148847][ T1760] kstrdup_const+0x55/0x90 [ 218.153251][ T1760] __kernfs_new_node+0x99/0x6e0 [ 218.158268][ T1760] ? stack_trace_save+0x1f0/0x1f0 [ 218.163266][ T1760] ? kernfs_new_node+0x170/0x170 [ 218.168181][ T1760] ? ptr_to_hashval+0x60/0x60 [ 218.172849][ T1760] ? snprintf+0xd6/0x120 [ 218.177178][ T1760] kernfs_new_node+0x97/0x170 [ 218.181855][ T1760] __kernfs_create_file+0x4a/0x270 [ 218.186954][ T1760] cgroup_addrm_files+0xab8/0xfe0 [ 218.191958][ T1760] ? cgroup_apply_control_enable+0x734/0x12e0 [ 218.198260][ T1760] ? cgroup_apply_control+0x93/0x710 [ 218.203553][ T1760] ? cgroup_subtree_control_write+0xd19/0x1310 [ 218.209797][ T1760] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 218.215959][ T1760] ? delete_node+0x759/0x7b0 [ 218.220708][ T1760] ? __kasan_check_read+0x11/0x20 [ 218.225716][ T1760] ? delete_node+0x759/0x7b0 [ 218.230464][ T1760] ? __kasan_check_write+0x14/0x20 [ 218.235658][ T1760] ? __radix_tree_replace+0x246/0x2e0 [ 218.241113][ T1760] ? idr_get_next+0x4b0/0x4b0 [ 218.245796][ T1760] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 218.250828][ T1760] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 218.256013][ T1760] css_populate_dir+0x137/0x370 [ 218.261083][ T1760] cgroup_apply_control_enable+0x629/0x12e0 [ 218.267312][ T1760] cgroup_apply_control+0x93/0x710 [ 218.272520][ T1760] ? css_next_child+0x160/0x160 [ 218.277359][ T1760] ? dequeue_task_fair+0x7ad/0xb50 [ 218.282449][ T1760] ? io_schedule+0x120/0x120 [ 218.287033][ T1760] ? kernfs_fop_write_iter+0x15e/0x410 [ 218.292498][ T1760] ? __kasan_check_write+0x14/0x20 [ 218.297626][ T1760] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 218.302904][ T1760] cgroup_subtree_control_write+0xd19/0x1310 [ 218.308986][ T1760] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 218.314952][ T1760] ? __kasan_check_write+0x14/0x20 [ 218.320067][ T1760] ? _copy_from_iter+0x3fb/0xd60 [ 218.325087][ T1760] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 218.331146][ T1760] cgroup_file_write+0x28e/0x590 [ 218.336068][ T1760] ? cgroup_seqfile_stop+0xc0/0xc0 [ 218.341250][ T1760] ? mutex_lock+0xa6/0x110 [ 218.345645][ T1760] ? mutex_trylock+0xb0/0xb0 [ 218.350240][ T1760] ? __kasan_check_write+0x14/0x20 [ 218.355532][ T1760] kernfs_fop_write_iter+0x2d0/0x410 [ 218.360829][ T1760] ? cgroup_seqfile_stop+0xc0/0xc0 [ 218.366006][ T1760] vfs_write+0xc1c/0xf40 [ 218.370323][ T1760] ? kernel_write+0x3c0/0x3c0 [ 218.374974][ T1760] ? mutex_trylock+0xb0/0xb0 [ 218.379556][ T1760] ? __fdget_pos+0x26d/0x310 [ 218.384138][ T1760] ? ksys_write+0x77/0x2c0 [ 218.388537][ T1760] ksys_write+0x198/0x2c0 [ 218.392843][ T1760] ? __ia32_sys_read+0x90/0x90 [ 218.397588][ T1760] ? debug_smp_processor_id+0x17/0x20 [ 218.402941][ T1760] __x64_sys_write+0x7b/0x90 [ 218.407596][ T1760] do_syscall_64+0x34/0x70 [ 218.411987][ T1760] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 218.417872][ T1760] RIP: 0033:0x7fe9a8a760e9 [ 218.422277][ T1760] 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 [ 218.441862][ T1760] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 218.450258][ T1760] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 218.458208][ T1760] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 218.466164][ T1760] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 218.474393][ T1760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 218.482357][ T1760] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 218.490436][ T1760] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 218.497792][ T1760] !!!! control_disable control_disable ss name cpu [ 218.504439][ T1760] !!!! control_disable control_disable ss name memory [ 218.511286][ T1760] !!!! control_disable control_disable ss name pids [ 218.517975][ T1760] !!!! control_disable kill_css(ffff888121c97800) [ 218.524621][ T1760] !!!! IN kill css_get(ffff888121c97800) [ 218.530357][ T1760] !!!! IN kill css_get(ffff888121c97800) [ 218.536370][ T1760] !!!! control_disable control_disable ss name cpu [ 218.543037][ T1760] !!!! control_disable control_disable ss name memory [ 218.549944][ T1760] !!!! control_disable control_disable ss name pids [ 218.556763][ T1760] !!!! control_disable kill_css(ffff888121c97c00) [ 218.563271][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c97800) [ 218.569900][ T1760] !!!! IN kill css_get(ffff888121c97c00) [ 218.575660][ T1760] !!!! IN kill css_get(ffff888121c97c00) [ 218.581373][ T1760] !!!! control_disable control_disable ss name cpu [ 218.589148][ T1760] !!!! control_disable control_disable ss name memory [ 218.595917][ T1760] !!!! control_disable control_disable ss name pids [ 218.602522][ T1760] !!!! control_disable kill_css(ffff888121ca5800) [ 218.609021][ T1760] !!!! IN kill css_get(ffff888121ca5800) [ 218.614771][ T1760] !!!! IN kill css_get(ffff888121ca5800) [ 218.620477][ T1760] !!!! control_disable control_disable ss name cpu [ 218.626992][ T1760] !!!! control_disable control_disable ss name memory [ 218.633843][ T1760] !!!! control_disable control_disable ss name cpu [ 218.640322][ T1760] !!!! control_disable control_disable ss name memory [ 218.647194][ T1760] !!!! control_disable control_disable ss name cpu [ 218.653712][ T1760] !!!! control_disable control_disable ss name memory [ 218.660451][ T1760] !!!! control_disable control_disable ss name cpu [ 218.668166][ T1760] !!!! control_disable control_disable ss name memory [ 218.676325][ T1760] !!!! control_disable control_disable ss name pids [ 218.682931][ T1760] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 218.689504][ T435] !!!! css_release_work_fn(ffff888121c24c00) [ 218.690740][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.699926][ T435] !!!! css_release_work_fn(ffff888121c27400) [ 218.703930][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.712189][ T435] !!!! css_release_work_fn(ffff888121c26c00) [ 218.716696][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.721835][ T435] !!!! css_killed_work_fn css_put(ffff888121c97800) [ 218.730242][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.735205][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c97c00) [ 218.742333][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.748699][ C1] !!!! css_killed_ref_fn enqueue(ffff888121ca5800) [ 218.751213][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.756452][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.762832][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.769894][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.778003][ T435] !!!! css_release enqueue(ffff888121c97800) [ 218.791902][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.796359][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.809757][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 218.816868][ T378] !!!! css_killed_work_fn css_put(ffff888121c97c00) [ 218.823902][ T378] !!!! css_release enqueue(ffff888121c97c00) [ 218.830281][ T435] !!!! css_killed_work_fn css_put(ffff888121ca5800) [ 218.837056][ T435] !!!! css_release enqueue(ffff888121ca5800) [ 218.843318][ T1767] !!!! css_create css ffff888110462800 !!!! [ 218.843441][ T378] !!!! css_free_rwork_fn(ffff888121c24c00) [ 218.849430][ T1767] !!!! css_create css ffff888110460400 !!!! [ 218.855276][ T378] !!!! css_free_rwork_fn(ffff888121c27400) [ 218.861428][ T1767] !!!! css_create css ffff888111716400 !!!! [ 218.867056][ T378] !!!! css_free_rwork_fn(ffff888121c26c00) [ 218.873367][ T1767] FAULT_INJECTION: forcing a failure. [ 218.873367][ T1767] name failslab, interval 1, probability 0, space 0, times 0 [ 218.891794][ T1767] CPU: 0 PID: 1767 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 218.903423][ T1767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.913503][ T1767] Call Trace: [ 218.916777][ T1767] dump_stack_lvl+0x1e2/0x24b [ 218.921500][ T1767] ? bfq_pos_tree_add_move+0x43e/0x43e [ 218.926938][ T1767] dump_stack+0x15/0x17 [ 218.931090][ T1767] should_fail+0x3c0/0x510 [ 218.935494][ T1767] ? __kernfs_new_node+0x99/0x6e0 [ 218.940530][ T1767] __should_failslab+0x9f/0xe0 [ 218.945276][ T1767] should_failslab+0x9/0x20 [ 218.949764][ T1767] __kmalloc_track_caller+0x5f/0x350 [ 218.955118][ T1767] kstrdup_const+0x55/0x90 [ 218.959517][ T1767] __kernfs_new_node+0x99/0x6e0 [ 218.964341][ T1767] ? stack_trace_save+0x1f0/0x1f0 [ 218.969342][ T1767] ? kernfs_new_node+0x170/0x170 [ 218.974257][ T1767] ? ptr_to_hashval+0x60/0x60 [ 218.978907][ T1767] ? snprintf+0xd6/0x120 [ 218.983126][ T1767] kernfs_new_node+0x97/0x170 [ 218.987785][ T1767] __kernfs_create_file+0x4a/0x270 [ 218.992870][ T1767] cgroup_addrm_files+0xab8/0xfe0 [ 218.997871][ T1767] ? cgroup_apply_control_enable+0x734/0x12e0 [ 219.003923][ T1767] ? cgroup_apply_control+0x93/0x710 [ 219.009268][ T1767] ? cgroup_subtree_control_write+0xd19/0x1310 [ 219.015396][ T1767] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 219.021524][ T1767] ? delete_node+0x759/0x7b0 [ 219.026098][ T1767] ? __kasan_check_read+0x11/0x20 [ 219.031183][ T1767] ? delete_node+0x759/0x7b0 [ 219.035761][ T1767] ? __kasan_check_write+0x14/0x20 [ 219.040860][ T1767] ? __radix_tree_replace+0x246/0x2e0 [ 219.047426][ T1767] ? idr_get_next+0x4b0/0x4b0 [ 219.052092][ T1767] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 219.057093][ T1767] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 219.062270][ T1767] css_populate_dir+0x137/0x370 [ 219.067108][ T1767] cgroup_apply_control_enable+0x629/0x12e0 [ 219.072986][ T1767] cgroup_apply_control+0x93/0x710 [ 219.078080][ T1767] ? css_next_child+0x160/0x160 [ 219.082905][ T1767] ? set_next_entity+0xc5/0x390 [ 219.087734][ T1767] ? io_schedule+0x120/0x120 [ 219.092399][ T1767] ? kernfs_fop_write_iter+0x15e/0x410 [ 219.097834][ T1767] ? __kasan_check_write+0x14/0x20 [ 219.102941][ T1767] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 219.108321][ T1767] cgroup_subtree_control_write+0xd19/0x1310 [ 219.114287][ T1767] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 219.120343][ T1767] ? __kasan_check_write+0x14/0x20 [ 219.125545][ T1767] ? _copy_from_iter+0x3fb/0xd60 [ 219.130468][ T1767] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 219.137649][ T1767] cgroup_file_write+0x28e/0x590 [ 219.142569][ T1767] ? cgroup_seqfile_stop+0xc0/0xc0 [ 219.147666][ T1767] ? mutex_lock+0xa6/0x110 [ 219.152072][ T1767] ? mutex_trylock+0xb0/0xb0 [ 219.156660][ T1767] ? __kasan_check_write+0x14/0x20 [ 219.161755][ T1767] kernfs_fop_write_iter+0x2d0/0x410 [ 219.167018][ T1767] ? cgroup_seqfile_stop+0xc0/0xc0 [ 219.172112][ T1767] vfs_write+0xc1c/0xf40 [ 219.176470][ T1767] ? kernel_write+0x3c0/0x3c0 [ 219.181229][ T1767] ? mutex_trylock+0xb0/0xb0 [ 219.185804][ T1767] ? __fdget_pos+0x26d/0x310 [ 219.190384][ T1767] ? ksys_write+0x77/0x2c0 [ 219.194773][ T1767] ksys_write+0x198/0x2c0 [ 219.199079][ T1767] ? __ia32_sys_read+0x90/0x90 [ 219.204261][ T1767] ? debug_smp_processor_id+0x17/0x20 [ 219.209696][ T1767] __x64_sys_write+0x7b/0x90 [ 219.214370][ T1767] do_syscall_64+0x34/0x70 [ 219.219026][ T1767] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 219.224915][ T1767] RIP: 0033:0x7f2fc06ba0e9 [ 219.229322][ T1767] 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 [ 219.248969][ T1767] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 219.257375][ T1767] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 219.265328][ T1767] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 219.273453][ T1767] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 219.281403][ T1767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 219.289353][ T1767] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 219.298081][ T1767] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 219.305343][ T1767] !!!! control_disable control_disable ss name cpu [ 219.312010][ T1767] !!!! control_disable control_disable ss name memory [ 219.318832][ T1767] !!!! control_disable control_disable ss name pids [ 219.325548][ T1767] !!!! control_disable kill_css(ffff888110462800) [ 219.332185][ T1767] !!!! IN kill css_get(ffff888110462800) [ 219.338131][ T1767] !!!! IN kill css_get(ffff888110462800) [ 219.344032][ T1767] !!!! control_disable control_disable ss name cpu [ 219.350631][ T1767] !!!! control_disable control_disable ss name memory [ 219.357543][ T1767] !!!! control_disable control_disable ss name pids [ 219.364375][ T1767] !!!! control_disable kill_css(ffff888110460400) [ 219.370982][ T1767] !!!! IN kill css_get(ffff888110460400) [ 219.376815][ T1767] !!!! IN kill css_get(ffff888110460400) [ 219.382560][ C1] !!!! css_killed_ref_fn enqueue(ffff888110462800) [ 219.389182][ T1767] !!!! control_disable control_disable ss name cpu [ 219.395701][ T1767] !!!! control_disable control_disable ss name memory [ 219.402577][ T1767] !!!! control_disable control_disable ss name pids [ 219.409142][ T1767] !!!! control_disable kill_css(ffff888111716400) [ 219.415941][ T1767] !!!! IN kill css_get(ffff888111716400) [ 219.421699][ T1767] !!!! IN kill css_get(ffff888111716400) [ 219.427511][ T1767] !!!! control_disable control_disable ss name cpu [ 219.434041][ T1767] !!!! control_disable control_disable ss name memory [ 219.440905][ T1767] !!!! control_disable control_disable ss name cpu [ 219.447463][ T1767] !!!! control_disable control_disable ss name memory [ 219.454234][ T1767] !!!! control_disable control_disable ss name cpu [ 219.460765][ T1767] !!!! control_disable control_disable ss name memory [ 219.467560][ T1767] !!!! control_disable control_disable ss name cpu [ 219.474194][ T1767] !!!! control_disable control_disable ss name memory [ 219.480945][ T1767] !!!! control_disable control_disable ss name pids 2022/06/08 04:03:30 executed programs: 478 [ 219.487721][ T378] !!!! css_release_work_fn(ffff888121c97800) [ 219.487821][ T1767] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 219.494098][ T378] !!!! css_release_work_fn(ffff888121c97c00) [ 219.494107][ T378] !!!! css_release_work_fn(ffff888121ca5800) [ 219.494122][ T378] !!!! css_killed_work_fn css_put(ffff888110462800) [ 219.506692][ C1] !!!! css_killed_ref_fn enqueue(ffff888110460400) [ 219.526881][ T378] !!!! css_release enqueue(ffff888110462800) [ 219.528228][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.536688][ T378] !!!! css_killed_work_fn css_put(ffff888110460400) [ 219.540374][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.546569][ C1] !!!! css_killed_ref_fn enqueue(ffff888111716400) [ 219.546660][ T378] !!!! css_release enqueue(ffff888110460400) [ 219.555423][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.560821][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.567421][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.577569][ T378] !!!! css_release_work_fn(ffff888110462800) [ 219.580968][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.588060][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.594350][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 219.600562][ T378] !!!! css_killed_work_fn css_put(ffff888111716400) [ 219.621465][ T378] !!!! css_release enqueue(ffff888111716400) [ 219.627702][ T378] !!!! css_free_rwork_fn(ffff888121c97800) [ 219.627998][ T1795] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 219.633671][ T1788] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 219.633726][ T1793] !!!! css_create css ffff88810f58ac00 !!!! [ 219.652806][ T1793] !!!! css_create css ffff8881219a0000 !!!! [ 219.652884][ T378] !!!! css_free_rwork_fn(ffff888121c97c00) [ 219.658842][ T1793] !!!! css_create css ffff8881219a1000 !!!! [ 219.664798][ T378] !!!! css_free_rwork_fn(ffff888121ca5800) [ 219.670858][ T1793] FAULT_INJECTION: forcing a failure. [ 219.670858][ T1793] name failslab, interval 1, probability 0, space 0, times 0 [ 219.689349][ T1793] CPU: 0 PID: 1793 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 219.701061][ T1793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.711186][ T1793] Call Trace: [ 219.714474][ T1793] dump_stack_lvl+0x1e2/0x24b [ 219.719149][ T1793] ? bfq_pos_tree_add_move+0x43e/0x43e [ 219.724592][ T1793] dump_stack+0x15/0x17 [ 219.728762][ T1793] should_fail+0x3c0/0x510 [ 219.733180][ T1793] ? __kernfs_new_node+0x99/0x6e0 [ 219.738293][ T1793] __should_failslab+0x9f/0xe0 [ 219.743040][ T1793] should_failslab+0x9/0x20 [ 219.747538][ T1793] __kmalloc_track_caller+0x5f/0x350 [ 219.752805][ T1793] kstrdup_const+0x55/0x90 [ 219.757212][ T1793] __kernfs_new_node+0x99/0x6e0 [ 219.762064][ T1793] ? stack_trace_save+0x1f0/0x1f0 [ 219.767074][ T1793] ? kernfs_new_node+0x170/0x170 [ 219.772101][ T1793] ? ptr_to_hashval+0x60/0x60 [ 219.776764][ T1793] ? snprintf+0xd6/0x120 [ 219.780985][ T1793] kernfs_new_node+0x97/0x170 [ 219.785638][ T1793] __kernfs_create_file+0x4a/0x270 [ 219.790734][ T1793] cgroup_addrm_files+0xab8/0xfe0 [ 219.795738][ T1793] ? cgroup_apply_control_enable+0x734/0x12e0 [ 219.801881][ T1793] ? cgroup_apply_control+0x93/0x710 [ 219.807159][ T1793] ? cgroup_subtree_control_write+0xd19/0x1310 [ 219.815306][ T1793] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 219.821550][ T1793] ? delete_node+0x759/0x7b0 [ 219.826147][ T1793] ? __kasan_check_read+0x11/0x20 [ 219.831153][ T1793] ? delete_node+0x759/0x7b0 [ 219.835808][ T1793] ? __kasan_check_write+0x14/0x20 [ 219.841079][ T1793] ? __radix_tree_replace+0x246/0x2e0 [ 219.846711][ T1793] ? idr_get_next+0x4b0/0x4b0 [ 219.851389][ T1793] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 219.856398][ T1793] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 219.861575][ T1793] css_populate_dir+0x137/0x370 [ 219.866422][ T1793] cgroup_apply_control_enable+0x629/0x12e0 [ 219.872308][ T1793] cgroup_apply_control+0x93/0x710 [ 219.877511][ T1793] ? css_next_child+0x160/0x160 [ 219.882337][ T1793] ? dequeue_task_fair+0x7ad/0xb50 [ 219.887428][ T1793] ? io_schedule+0x120/0x120 [ 219.892010][ T1793] ? kernfs_fop_write_iter+0x15e/0x410 [ 219.897457][ T1793] ? __kasan_check_write+0x14/0x20 [ 219.902618][ T1793] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 219.907887][ T1793] cgroup_subtree_control_write+0xd19/0x1310 [ 219.913860][ T1793] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 219.919827][ T1793] ? __kasan_check_write+0x14/0x20 [ 219.924936][ T1793] ? _copy_from_iter+0x3fb/0xd60 [ 219.929940][ T1793] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 219.935895][ T1793] cgroup_file_write+0x28e/0x590 [ 219.940899][ T1793] ? cgroup_seqfile_stop+0xc0/0xc0 [ 219.945987][ T1793] ? mutex_lock+0xa6/0x110 [ 219.950434][ T1793] ? mutex_trylock+0xb0/0xb0 [ 219.955031][ T1793] ? __kasan_check_write+0x14/0x20 [ 219.960316][ T1793] kernfs_fop_write_iter+0x2d0/0x410 [ 219.965581][ T1793] ? cgroup_seqfile_stop+0xc0/0xc0 [ 219.970673][ T1793] vfs_write+0xc1c/0xf40 [ 219.975087][ T1793] ? kernel_write+0x3c0/0x3c0 [ 219.979755][ T1793] ? mutex_trylock+0xb0/0xb0 [ 219.984334][ T1793] ? __fdget_pos+0x26d/0x310 [ 219.988907][ T1793] ? ksys_write+0x77/0x2c0 [ 219.993314][ T1793] ksys_write+0x198/0x2c0 [ 219.997628][ T1793] ? __ia32_sys_read+0x90/0x90 [ 220.002380][ T1793] ? debug_smp_processor_id+0x17/0x20 [ 220.007724][ T1793] __x64_sys_write+0x7b/0x90 [ 220.012288][ T1793] do_syscall_64+0x34/0x70 [ 220.016680][ T1793] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 220.022558][ T1793] RIP: 0033:0x7f5d5b96a0e9 [ 220.026946][ T1793] 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 [ 220.046963][ T1793] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 220.055355][ T1793] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 220.063320][ T1793] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 220.071272][ T1793] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 220.079219][ T1793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 220.087167][ T1793] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 220.096553][ T1793] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 220.103881][ T1793] !!!! control_disable control_disable ss name cpu [ 220.110483][ T1793] !!!! control_disable control_disable ss name memory [ 220.117451][ T1793] !!!! control_disable control_disable ss name pids [ 220.124262][ T1793] !!!! control_disable kill_css(ffff88810f58ac00) [ 220.130815][ T1793] !!!! IN kill css_get(ffff88810f58ac00) [ 220.136659][ T1793] !!!! IN kill css_get(ffff88810f58ac00) [ 220.142555][ T1793] !!!! control_disable control_disable ss name cpu [ 220.149062][ T1793] !!!! control_disable control_disable ss name memory [ 220.155979][ T1793] !!!! control_disable control_disable ss name pids [ 220.162612][ T1793] !!!! control_disable kill_css(ffff8881219a0000) [ 220.169140][ T1793] !!!! IN kill css_get(ffff8881219a0000) [ 220.174886][ T1793] !!!! IN kill css_get(ffff8881219a0000) [ 220.180590][ T1793] !!!! control_disable control_disable ss name cpu [ 220.187105][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f58ac00) [ 220.193722][ T1793] !!!! control_disable control_disable ss name memory [ 220.200459][ T1793] !!!! control_disable control_disable ss name pids [ 220.207059][ T1793] !!!! control_disable kill_css(ffff8881219a1000) [ 220.213587][ T1793] !!!! IN kill css_get(ffff8881219a1000) [ 220.219281][ T1793] !!!! IN kill css_get(ffff8881219a1000) [ 220.225018][ T1793] !!!! control_disable control_disable ss name cpu [ 220.231512][ T1793] !!!! control_disable control_disable ss name memory [ 220.238274][ T1793] !!!! control_disable control_disable ss name cpu [ 220.244961][ T1793] !!!! control_disable control_disable ss name memory [ 220.251723][ T1793] !!!! control_disable control_disable ss name cpu [ 220.258202][ T1793] !!!! control_disable control_disable ss name memory [ 220.264963][ T1793] !!!! control_disable control_disable ss name cpu [ 220.271541][ T1793] !!!! control_disable control_disable ss name memory [ 220.278309][ T1793] !!!! control_disable control_disable ss name pids [ 220.284926][ T1793] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 220.285009][ T378] !!!! css_release_work_fn(ffff888110460400) [ 220.297624][ T5] !!!! css_killed_work_fn css_put(ffff88810f58ac00) [ 220.298822][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.304339][ C0] !!!! css_killed_ref_fn enqueue(ffff8881219a0000) [ 220.315326][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.318165][ T5] !!!! css_release enqueue(ffff88810f58ac00) [ 220.324580][ C0] !!!! css_killed_ref_fn enqueue(ffff8881219a1000) [ 220.325280][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.331702][ T382] !!!! css_killed_work_fn css_put(ffff8881219a0000) [ 220.338041][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.345977][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.364786][ T382] !!!! css_release enqueue(ffff8881219a0000) [ 220.366109][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.377750][ T378] !!!! css_release_work_fn(ffff888111716400) [ 220.378926][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.384156][ T378] !!!! css_free_rwork_fn(ffff888110462800) [ 220.390848][ T382] !!!! css_killed_work_fn css_put(ffff8881219a1000) [ 220.397253][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 220.403541][ T382] !!!! css_release enqueue(ffff8881219a1000) [ 220.410344][ T378] !!!! css_free_rwork_fn(ffff888110460400) [ 220.416428][ T382] !!!! css_release_work_fn(ffff88810f58ac00) [ 220.428290][ T1774] !!!! css_create css ffff88810f01dc00 !!!! [ 220.434297][ T1774] !!!! css_create css ffff888121d0d400 !!!! [ 220.434322][ T378] !!!! css_free_rwork_fn(ffff888111716400) [ 220.440217][ T1774] !!!! css_create css ffff888121d0c400 !!!! [ 220.452030][ T1774] FAULT_INJECTION: forcing a failure. [ 220.452030][ T1774] name failslab, interval 1, probability 0, space 0, times 0 [ 220.464656][ T1774] CPU: 0 PID: 1774 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 220.476357][ T1774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.486391][ T1774] Call Trace: [ 220.489671][ T1774] dump_stack_lvl+0x1e2/0x24b [ 220.494376][ T1774] ? bfq_pos_tree_add_move+0x43e/0x43e [ 220.499807][ T1774] dump_stack+0x15/0x17 [ 220.503936][ T1774] should_fail+0x3c0/0x510 [ 220.508347][ T1774] ? __kernfs_new_node+0x99/0x6e0 [ 220.513434][ T1774] __should_failslab+0x9f/0xe0 [ 220.518187][ T1774] should_failslab+0x9/0x20 [ 220.522671][ T1774] __kmalloc_track_caller+0x5f/0x350 [ 220.527943][ T1774] kstrdup_const+0x55/0x90 [ 220.532356][ T1774] __kernfs_new_node+0x99/0x6e0 [ 220.537182][ T1774] ? stack_trace_save+0x1f0/0x1f0 [ 220.542183][ T1774] ? kernfs_new_node+0x170/0x170 [ 220.547093][ T1774] ? ptr_to_hashval+0x60/0x60 [ 220.551743][ T1774] ? snprintf+0xd6/0x120 [ 220.555956][ T1774] kernfs_new_node+0x97/0x170 [ 220.560604][ T1774] __kernfs_create_file+0x4a/0x270 [ 220.565713][ T1774] cgroup_addrm_files+0xab8/0xfe0 [ 220.570711][ T1774] ? cgroup_apply_control_enable+0x734/0x12e0 [ 220.576750][ T1774] ? cgroup_apply_control+0x93/0x710 [ 220.582007][ T1774] ? cgroup_subtree_control_write+0xd19/0x1310 [ 220.588216][ T1774] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 220.594341][ T1774] ? delete_node+0x759/0x7b0 [ 220.598906][ T1774] ? __kasan_check_read+0x11/0x20 [ 220.603918][ T1774] ? delete_node+0x759/0x7b0 [ 220.608494][ T1774] ? __kasan_check_write+0x14/0x20 [ 220.613584][ T1774] ? __radix_tree_replace+0x246/0x2e0 [ 220.618939][ T1774] ? idr_get_next+0x4b0/0x4b0 [ 220.623592][ T1774] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 220.628612][ T1774] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 220.633808][ T1774] css_populate_dir+0x137/0x370 [ 220.638652][ T1774] cgroup_apply_control_enable+0x629/0x12e0 [ 220.644529][ T1774] cgroup_apply_control+0x93/0x710 [ 220.649628][ T1774] ? css_next_child+0x160/0x160 [ 220.654475][ T1774] ? set_next_entity+0xc5/0x390 [ 220.659337][ T1774] ? io_schedule+0x120/0x120 [ 220.663908][ T1774] ? kernfs_fop_write_iter+0x15e/0x410 [ 220.669411][ T1774] ? __kasan_check_write+0x14/0x20 [ 220.674520][ T1774] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 220.679792][ T1774] cgroup_subtree_control_write+0xd19/0x1310 [ 220.685766][ T1774] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 220.691737][ T1774] ? __kasan_check_write+0x14/0x20 [ 220.696835][ T1774] ? _copy_from_iter+0x3fb/0xd60 [ 220.701757][ T1774] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 220.707719][ T1774] cgroup_file_write+0x28e/0x590 [ 220.712637][ T1774] ? cgroup_seqfile_stop+0xc0/0xc0 [ 220.717724][ T1774] ? mutex_lock+0xa6/0x110 [ 220.722116][ T1774] ? mutex_trylock+0xb0/0xb0 [ 220.726701][ T1774] ? __kasan_check_write+0x14/0x20 [ 220.731788][ T1774] kernfs_fop_write_iter+0x2d0/0x410 [ 220.737047][ T1774] ? cgroup_seqfile_stop+0xc0/0xc0 [ 220.742134][ T1774] vfs_write+0xc1c/0xf40 [ 220.746354][ T1774] ? kernel_write+0x3c0/0x3c0 [ 220.751009][ T1774] ? mutex_trylock+0xb0/0xb0 [ 220.755576][ T1774] ? __fdget_pos+0x26d/0x310 [ 220.760250][ T1774] ? ksys_write+0x77/0x2c0 [ 220.764669][ T1774] ksys_write+0x198/0x2c0 [ 220.768992][ T1774] ? __ia32_sys_read+0x90/0x90 [ 220.773750][ T1774] ? debug_smp_processor_id+0x17/0x20 [ 220.779128][ T1774] __x64_sys_write+0x7b/0x90 [ 220.783885][ T1774] do_syscall_64+0x34/0x70 [ 220.788280][ T1774] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 220.794161][ T1774] RIP: 0033:0x7ff3e27b70e9 [ 220.798581][ T1774] 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 [ 220.818350][ T1774] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 220.826764][ T1774] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 220.834713][ T1774] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 220.842770][ T1774] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 220.850728][ T1774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 220.858675][ T1774] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 220.867119][ T1774] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 220.874285][ T1774] !!!! control_disable control_disable ss name cpu [ 220.880873][ T1774] !!!! control_disable control_disable ss name memory [ 220.887704][ T1774] !!!! control_disable control_disable ss name pids [ 220.894362][ T1774] !!!! control_disable kill_css(ffff88810f01dc00) [ 220.901069][ T1774] !!!! IN kill css_get(ffff88810f01dc00) [ 220.906840][ T1774] !!!! IN kill css_get(ffff88810f01dc00) [ 220.912631][ T1774] !!!! control_disable control_disable ss name cpu [ 220.919163][ T1774] !!!! control_disable control_disable ss name memory [ 220.925975][ T1774] !!!! control_disable control_disable ss name pids [ 220.932655][ T1774] !!!! control_disable kill_css(ffff888121d0d400) [ 220.939186][ T1774] !!!! IN kill css_get(ffff888121d0d400) [ 220.944941][ T1774] !!!! IN kill css_get(ffff888121d0d400) [ 220.950685][ T1774] !!!! control_disable control_disable ss name cpu [ 220.957217][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f01dc00) [ 220.963867][ T1774] !!!! control_disable control_disable ss name memory [ 220.971685][ T1774] !!!! control_disable control_disable ss name pids [ 220.978260][ T1774] !!!! control_disable kill_css(ffff888121d0c400) [ 220.984850][ T1774] !!!! IN kill css_get(ffff888121d0c400) [ 220.990550][ T1774] !!!! IN kill css_get(ffff888121d0c400) [ 220.996298][ T1774] !!!! control_disable control_disable ss name cpu [ 221.002832][ T1774] !!!! control_disable control_disable ss name memory [ 221.009578][ T1774] !!!! control_disable control_disable ss name cpu [ 221.016102][ T1774] !!!! control_disable control_disable ss name memory [ 221.022885][ T1774] !!!! control_disable control_disable ss name cpu [ 221.029359][ T1774] !!!! control_disable control_disable ss name memory [ 221.036135][ T1774] !!!! control_disable control_disable ss name cpu [ 221.042732][ T1774] !!!! control_disable control_disable ss name memory [ 221.049463][ T1774] !!!! control_disable control_disable ss name pids [ 221.056099][ T1774] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 221.056180][ T382] !!!! css_release_work_fn(ffff8881219a0000) [ 221.064506][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d0d400) [ 221.068681][ T382] !!!! css_release_work_fn(ffff8881219a1000) [ 221.082576][ T378] !!!! css_killed_work_fn css_put(ffff88810f01dc00) [ 221.082581][ T382] !!!! css_free_rwork_fn(ffff88810f58ac00) [ 221.082706][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.089583][ T378] !!!! css_release enqueue(ffff88810f01dc00) [ 221.095681][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.102099][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d0c400) [ 221.108616][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.115214][ T378] !!!! css_killed_work_fn css_put(ffff888121d0d400) [ 221.122471][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.128620][ T378] !!!! css_release enqueue(ffff888121d0d400) [ 221.136303][ T34] !!!! css_free_rwork_fn(ffff8881219a0000) [ 221.142348][ T435] !!!! css_killed_work_fn css_put(ffff888121d0c400) [ 221.148285][ T34] !!!! css_free_rwork_fn(ffff8881219a1000) [ 221.154154][ T435] !!!! css_release enqueue(ffff888121d0c400) [ 221.172833][ T1786] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 221.172987][ T1795] !!!! css_create css ffff88810ee9ec00 !!!! [ 221.185331][ T1795] !!!! css_create css ffff88810ee9c400 !!!! [ 221.191303][ T1795] !!!! css_create css ffff88810ee9d800 !!!! [ 221.197285][ T1795] FAULT_INJECTION: forcing a failure. [ 221.197285][ T1795] name failslab, interval 1, probability 0, space 0, times 0 [ 221.209998][ T1795] CPU: 1 PID: 1795 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 221.221604][ T1795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.231664][ T1795] Call Trace: [ 221.234939][ T1795] dump_stack_lvl+0x1e2/0x24b [ 221.239593][ T1795] ? bfq_pos_tree_add_move+0x43e/0x43e [ 221.245025][ T1795] ? find_next_bit+0xd6/0x120 [ 221.249672][ T1795] ? cpumask_next+0x11/0x30 [ 221.254148][ T1795] dump_stack+0x15/0x17 [ 221.258278][ T1795] should_fail+0x3c0/0x510 [ 221.262665][ T1795] ? percpu_ref_init+0xd0/0x330 [ 221.267493][ T1795] __should_failslab+0x9f/0xe0 [ 221.272336][ T1795] should_failslab+0x9/0x20 [ 221.276818][ T1795] kmem_cache_alloc_trace+0x3a/0x330 [ 221.282084][ T1795] percpu_ref_init+0xd0/0x330 [ 221.286741][ T1795] ? cgroup_setup_root+0xea0/0xea0 [ 221.291830][ T1795] cgroup_apply_control_enable+0x734/0x12e0 [ 221.297695][ T1795] cgroup_apply_control+0x93/0x710 [ 221.302778][ T1795] ? css_next_child+0x160/0x160 [ 221.307600][ T1795] ? io_schedule+0x120/0x120 [ 221.312164][ T1795] ? kernfs_fop_write_iter+0x15e/0x410 [ 221.317604][ T1795] ? __kasan_check_write+0x14/0x20 [ 221.322692][ T1795] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 221.327967][ T1795] cgroup_subtree_control_write+0xd19/0x1310 [ 221.333942][ T1795] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 221.339906][ T1795] ? __kasan_check_write+0x14/0x20 [ 221.345009][ T1795] ? _copy_from_iter+0x3fb/0xd60 [ 221.350019][ T1795] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 221.355971][ T1795] cgroup_file_write+0x28e/0x590 [ 221.360882][ T1795] ? cgroup_seqfile_stop+0xc0/0xc0 [ 221.365969][ T1795] ? mutex_lock+0xa6/0x110 [ 221.370368][ T1795] ? mutex_trylock+0xb0/0xb0 [ 221.374935][ T1795] ? __kasan_check_write+0x14/0x20 [ 221.381064][ T1795] kernfs_fop_write_iter+0x2d0/0x410 [ 221.386324][ T1795] ? cgroup_seqfile_stop+0xc0/0xc0 [ 221.391412][ T1795] vfs_write+0xc1c/0xf40 [ 221.395629][ T1795] ? kernel_write+0x3c0/0x3c0 [ 221.400351][ T1795] ? mutex_trylock+0xb0/0xb0 [ 221.404917][ T1795] ? __fdget_pos+0x26d/0x310 [ 221.410531][ T1795] ? ksys_write+0x77/0x2c0 [ 221.414924][ T1795] ksys_write+0x198/0x2c0 [ 221.419242][ T1795] ? __ia32_sys_read+0x90/0x90 [ 221.424087][ T1795] ? debug_smp_processor_id+0x17/0x20 [ 221.429443][ T1795] __x64_sys_write+0x7b/0x90 [ 221.434014][ T1795] do_syscall_64+0x34/0x70 [ 221.438409][ T1795] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 221.444298][ T1795] RIP: 0033:0x7f2fc06ba0e9 [ 221.448690][ T1795] 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 [ 221.468878][ T1795] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 221.477369][ T1795] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 221.485322][ T1795] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 221.493392][ T1795] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 221.501527][ T1795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 221.510784][ T1795] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 221.518915][ T1795] !!!! css_create rcu_enqueue(ffff88810ee9d800) !!!! [ 221.525761][ T1795] !!!! control_disable control_disable ss name cpu [ 221.532419][ T1795] !!!! control_disable control_disable ss name memory [ 221.539214][ T1795] !!!! control_disable control_disable ss name pids [ 221.545979][ T1795] !!!! control_disable kill_css(ffff88810ee9ec00) [ 221.552672][ T1795] !!!! IN kill css_get(ffff88810ee9ec00) [ 221.558507][ T1795] !!!! IN kill css_get(ffff88810ee9ec00) [ 221.564313][ T1795] !!!! control_disable control_disable ss name cpu [ 221.570835][ T1795] !!!! control_disable control_disable ss name memory [ 221.577744][ T1795] !!!! control_disable control_disable ss name pids [ 221.584363][ T1795] !!!! control_disable kill_css(ffff88810ee9c400) [ 221.590889][ T1795] !!!! IN kill css_get(ffff88810ee9c400) [ 221.596658][ T1795] !!!! IN kill css_get(ffff88810ee9c400) [ 221.602409][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ee9ec00) [ 221.609014][ T1795] !!!! control_disable control_disable ss name cpu [ 221.615617][ T1795] !!!! control_disable control_disable ss name memory [ 221.622476][ T1795] !!!! control_disable control_disable ss name cpu [ 221.628959][ T1795] !!!! control_disable control_disable ss name memory [ 221.635749][ T1795] !!!! control_disable control_disable ss name cpu [ 221.642294][ T1795] !!!! control_disable control_disable ss name memory [ 221.649051][ T1795] !!!! control_disable control_disable ss name cpu [ 221.655663][ T1795] !!!! control_disable control_disable ss name memory [ 221.662451][ T1795] !!!! control_disable control_disable ss name cpu [ 221.668936][ T1795] !!!! control_disable control_disable ss name memory [ 221.675705][ T1795] !!!! control_disable control_disable ss name pids [ 221.682347][ T1795] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 221.682386][ T378] !!!! css_release_work_fn(ffff88810f01dc00) [ 221.695093][ T378] !!!! css_release_work_fn(ffff888121d0d400) [ 221.695099][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ee9c400) [ 221.696453][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.715221][ T382] !!!! css_killed_work_fn css_put(ffff88810ee9ec00) [ 221.716369][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.722172][ T382] !!!! css_release enqueue(ffff88810ee9ec00) [ 221.730357][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.735483][ T382] !!!! css_killed_work_fn css_put(ffff88810ee9c400) [ 221.735490][ T382] !!!! css_release enqueue(ffff88810ee9c400) [ 221.735499][ T382] !!!! css_release_work_fn(ffff88810ee9ec00) [ 221.735512][ T382] !!!! css_release_work_fn(ffff88810ee9c400) [ 221.767818][ T378] !!!! css_release_work_fn(ffff888121d0c400) [ 221.768967][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 221.774954][ T378] !!!! css_free_rwork_fn(ffff88810ee9d800) [ 221.781797][ T1791] !!!! css_create css ffff88810f1bd400 !!!! [ 221.787743][ T378] !!!! css_free_rwork_fn(ffff88810f01dc00) [ 221.794138][ T1791] !!!! css_create css ffff888121c11c00 !!!! [ 221.799496][ T378] !!!! css_free_rwork_fn(ffff888121d0d400) [ 221.811677][ T382] !!!! css_free_rwork_fn(ffff88810ee9ec00) [ 221.811908][ T1791] !!!! css_create css ffff88810f15dc00 !!!! [ 221.817603][ T382] !!!! css_free_rwork_fn(ffff88810ee9c400) [ 221.823792][ T1791] FAULT_INJECTION: forcing a failure. [ 221.823792][ T1791] name failslab, interval 1, probability 0, space 0, times 0 [ 221.842303][ T378] !!!! css_free_rwork_fn(ffff888121d0c400) [ 221.843238][ T1791] CPU: 0 PID: 1791 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 221.860337][ T1791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.870372][ T1791] Call Trace: [ 221.873732][ T1791] dump_stack_lvl+0x1e2/0x24b [ 221.878401][ T1791] ? bfq_pos_tree_add_move+0x43e/0x43e [ 221.883859][ T1791] dump_stack+0x15/0x17 [ 221.888008][ T1791] should_fail+0x3c0/0x510 [ 221.892437][ T1791] ? __kernfs_new_node+0x99/0x6e0 [ 221.897576][ T1791] __should_failslab+0x9f/0xe0 [ 221.902427][ T1791] should_failslab+0x9/0x20 [ 221.906999][ T1791] __kmalloc_track_caller+0x5f/0x350 [ 221.912355][ T1791] kstrdup_const+0x55/0x90 [ 221.916772][ T1791] __kernfs_new_node+0x99/0x6e0 [ 221.921597][ T1791] ? stack_trace_save+0x1f0/0x1f0 [ 221.926822][ T1791] ? kernfs_new_node+0x170/0x170 [ 221.931950][ T1791] ? ptr_to_hashval+0x60/0x60 [ 221.936696][ T1791] ? snprintf+0xd6/0x120 [ 221.941026][ T1791] ? debug_smp_processor_id+0x17/0x20 [ 221.946612][ T1791] kernfs_new_node+0x97/0x170 [ 221.951290][ T1791] __kernfs_create_file+0x4a/0x270 [ 221.956597][ T1791] cgroup_addrm_files+0xab8/0xfe0 [ 221.961703][ T1791] ? cgroup_apply_control_enable+0x734/0x12e0 [ 221.969479][ T1791] ? cgroup_apply_control+0x93/0x710 [ 221.974740][ T1791] ? cgroup_subtree_control_write+0xd19/0x1310 [ 221.980862][ T1791] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 221.986986][ T1791] ? delete_node+0x759/0x7b0 [ 221.991549][ T1791] ? __kasan_check_read+0x11/0x20 [ 221.996542][ T1791] ? delete_node+0x759/0x7b0 [ 222.001098][ T1791] ? __kasan_check_write+0x14/0x20 [ 222.006178][ T1791] ? __radix_tree_replace+0x246/0x2e0 [ 222.011522][ T1791] ? idr_get_next+0x4b0/0x4b0 [ 222.016174][ T1791] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 222.021167][ T1791] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 222.026335][ T1791] css_populate_dir+0x137/0x370 [ 222.031157][ T1791] cgroup_apply_control_enable+0x629/0x12e0 [ 222.037018][ T1791] cgroup_apply_control+0x93/0x710 [ 222.042100][ T1791] ? css_next_child+0x160/0x160 [ 222.046918][ T1791] ? set_next_entity+0xc5/0x390 [ 222.051737][ T1791] ? io_schedule+0x120/0x120 [ 222.056295][ T1791] ? kernfs_fop_write_iter+0x15e/0x410 [ 222.061723][ T1791] ? __kasan_check_write+0x14/0x20 [ 222.066805][ T1791] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 222.072057][ T1791] cgroup_subtree_control_write+0xd19/0x1310 [ 222.078004][ T1791] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 222.084127][ T1791] ? __kasan_check_write+0x14/0x20 [ 222.089209][ T1791] ? _copy_from_iter+0x3fb/0xd60 [ 222.094113][ T1791] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 222.100062][ T1791] cgroup_file_write+0x28e/0x590 [ 222.104978][ T1791] ? cgroup_seqfile_stop+0xc0/0xc0 [ 222.110057][ T1791] ? mutex_lock+0xa6/0x110 [ 222.114452][ T1791] ? mutex_trylock+0xb0/0xb0 [ 222.119011][ T1791] ? __kasan_check_write+0x14/0x20 [ 222.124101][ T1791] kernfs_fop_write_iter+0x2d0/0x410 [ 222.129353][ T1791] ? cgroup_seqfile_stop+0xc0/0xc0 [ 222.134453][ T1791] vfs_write+0xc1c/0xf40 [ 222.138692][ T1791] ? kernel_write+0x3c0/0x3c0 [ 222.143371][ T1791] ? mutex_trylock+0xb0/0xb0 [ 222.148080][ T1791] ? __fdget_pos+0x26d/0x310 [ 222.152671][ T1791] ? ksys_write+0x77/0x2c0 [ 222.157080][ T1791] ksys_write+0x198/0x2c0 [ 222.161395][ T1791] ? __ia32_sys_read+0x90/0x90 [ 222.166140][ T1791] ? debug_smp_processor_id+0x17/0x20 [ 222.171488][ T1791] __x64_sys_write+0x7b/0x90 [ 222.176051][ T1791] do_syscall_64+0x34/0x70 [ 222.180442][ T1791] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 222.186307][ T1791] RIP: 0033:0x7fe9a8a760e9 [ 222.190695][ T1791] 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 [ 222.210371][ T1791] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 222.218786][ T1791] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 222.226789][ T1791] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 222.234750][ T1791] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 222.242705][ T1791] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 222.250655][ T1791] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 222.259944][ T1791] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 222.267036][ T1791] !!!! control_disable control_disable ss name cpu [ 222.273567][ T1791] !!!! control_disable control_disable ss name memory [ 222.280360][ T1791] !!!! control_disable control_disable ss name pids [ 222.286974][ T1791] !!!! control_disable kill_css(ffff88810f1bd400) [ 222.293552][ T1791] !!!! IN kill css_get(ffff88810f1bd400) [ 222.299287][ T1791] !!!! IN kill css_get(ffff88810f1bd400) [ 222.305038][ T1791] !!!! control_disable control_disable ss name cpu [ 222.311571][ T1791] !!!! control_disable control_disable ss name memory [ 222.318454][ T1791] !!!! control_disable control_disable ss name pids [ 222.325092][ T1791] !!!! control_disable kill_css(ffff888121c11c00) [ 222.331972][ T1791] !!!! IN kill css_get(ffff888121c11c00) [ 222.337665][ T1791] !!!! IN kill css_get(ffff888121c11c00) [ 222.341658][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f1bd400) [ 222.343596][ T1791] !!!! control_disable control_disable ss name cpu [ 222.356440][ T1791] !!!! control_disable control_disable ss name memory [ 222.363209][ T1791] !!!! control_disable control_disable ss name pids [ 222.369920][ T1791] !!!! control_disable kill_css(ffff88810f15dc00) [ 222.376429][ T1791] !!!! IN kill css_get(ffff88810f15dc00) [ 222.382145][ T1791] !!!! IN kill css_get(ffff88810f15dc00) [ 222.387852][ T1791] !!!! control_disable control_disable ss name cpu [ 222.394356][ T1791] !!!! control_disable control_disable ss name memory [ 222.401107][ T1791] !!!! control_disable control_disable ss name cpu [ 222.408487][ T1791] !!!! control_disable control_disable ss name memory [ 222.415255][ T1791] !!!! control_disable control_disable ss name cpu [ 222.421752][ T1791] !!!! control_disable control_disable ss name memory [ 222.428493][ T1791] !!!! control_disable control_disable ss name cpu [ 222.435086][ T1791] !!!! control_disable control_disable ss name memory [ 222.441840][ T1791] !!!! control_disable control_disable ss name pids [ 222.448433][ T1791] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 222.448448][ T34] !!!! css_killed_work_fn css_put(ffff88810f1bd400) [ 222.461749][ T34] !!!! css_release enqueue(ffff88810f1bd400) [ 222.467841][ T34] !!!! css_release_work_fn(ffff88810f1bd400) [ 222.474334][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 222.474387][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c11c00) [ 222.481334][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 222.487777][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f15dc00) [ 222.487948][ T378] !!!! css_killed_work_fn css_put(ffff888121c11c00) [ 222.494971][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 222.501485][ T378] !!!! css_release enqueue(ffff888121c11c00) [ 222.508438][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 222.514971][ T378] !!!! css_killed_work_fn css_put(ffff88810f15dc00) [ 222.531708][ T34] !!!! css_free_rwork_fn(ffff88810f1bd400) [ 222.534631][ T378] !!!! css_release enqueue(ffff88810f15dc00) [ 222.546340][ T1764] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 222.546345][ T378] !!!! css_release_work_fn(ffff888121c11c00) [ 222.546357][ T378] !!!! css_release_work_fn(ffff88810f15dc00) [ 222.565006][ T1768] !!!! css_create css ffff88810f577800 !!!! [ 222.571068][ T1768] !!!! css_create css ffff88810f576c00 !!!! [ 222.577052][ T1768] !!!! css_create css ffff88810f574c00 !!!! [ 222.584570][ T378] !!!! css_free_rwork_fn(ffff888121c11c00) [ 222.584675][ T1768] FAULT_INJECTION: forcing a failure. [ 222.584675][ T1768] name failslab, interval 1, probability 0, space 0, times 0 [ 222.591910][ T378] !!!! css_free_rwork_fn(ffff88810f15dc00) [ 222.603114][ T1768] CPU: 0 PID: 1768 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 222.620529][ T1768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.630560][ T1768] Call Trace: [ 222.633850][ T1768] dump_stack_lvl+0x1e2/0x24b [ 222.638510][ T1768] ? bfq_pos_tree_add_move+0x43e/0x43e [ 222.644044][ T1768] dump_stack+0x15/0x17 [ 222.648193][ T1768] should_fail+0x3c0/0x510 [ 222.652585][ T1768] ? __kernfs_new_node+0x99/0x6e0 [ 222.657689][ T1768] __should_failslab+0x9f/0xe0 [ 222.662510][ T1768] should_failslab+0x9/0x20 [ 222.666983][ T1768] __kmalloc_track_caller+0x5f/0x350 [ 222.672240][ T1768] kstrdup_const+0x55/0x90 [ 222.676633][ T1768] __kernfs_new_node+0x99/0x6e0 [ 222.681454][ T1768] ? stack_trace_save+0x1f0/0x1f0 [ 222.686449][ T1768] ? kernfs_new_node+0x170/0x170 [ 222.691370][ T1768] ? ptr_to_hashval+0x60/0x60 [ 222.696025][ T1768] ? snprintf+0xd6/0x120 [ 222.700236][ T1768] kernfs_new_node+0x97/0x170 [ 222.704887][ T1768] __kernfs_create_file+0x4a/0x270 [ 222.709988][ T1768] cgroup_addrm_files+0xab8/0xfe0 [ 222.714981][ T1768] ? cgroup_apply_control_enable+0x734/0x12e0 [ 222.721188][ T1768] ? cgroup_apply_control+0x93/0x710 [ 222.726453][ T1768] ? cgroup_subtree_control_write+0xd19/0x1310 [ 222.732588][ T1768] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 222.738723][ T1768] ? delete_node+0x759/0x7b0 [ 222.743283][ T1768] ? __kasan_check_read+0x11/0x20 [ 222.748287][ T1768] ? delete_node+0x759/0x7b0 [ 222.752940][ T1768] ? __kasan_check_write+0x14/0x20 [ 222.758019][ T1768] ? __radix_tree_replace+0x246/0x2e0 [ 222.763367][ T1768] ? idr_get_next+0x4b0/0x4b0 [ 222.768020][ T1768] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 222.773016][ T1768] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 222.778191][ T1768] css_populate_dir+0x137/0x370 [ 222.783037][ T1768] cgroup_apply_control_enable+0x629/0x12e0 [ 222.788929][ T1768] cgroup_apply_control+0x93/0x710 [ 222.794040][ T1768] ? css_next_child+0x160/0x160 [ 222.798875][ T1768] ? dequeue_task_fair+0x7ad/0xb50 [ 222.803962][ T1768] ? io_schedule+0x120/0x120 [ 222.808532][ T1768] ? kernfs_fop_write_iter+0x15e/0x410 [ 222.813966][ T1768] ? __kasan_check_write+0x14/0x20 [ 222.819051][ T1768] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 222.824311][ T1768] cgroup_subtree_control_write+0xd19/0x1310 [ 222.830274][ T1768] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 222.836227][ T1768] ? __kasan_check_write+0x14/0x20 [ 222.841313][ T1768] ? _copy_from_iter+0x3fb/0xd60 [ 222.846380][ T1768] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 222.852349][ T1768] cgroup_file_write+0x28e/0x590 [ 222.857294][ T1768] ? cgroup_seqfile_stop+0xc0/0xc0 [ 222.862388][ T1768] ? mutex_lock+0xa6/0x110 [ 222.866785][ T1768] ? mutex_trylock+0xb0/0xb0 [ 222.871452][ T1768] ? __kasan_check_write+0x14/0x20 [ 222.876632][ T1768] kernfs_fop_write_iter+0x2d0/0x410 [ 222.881902][ T1768] ? cgroup_seqfile_stop+0xc0/0xc0 [ 222.886988][ T1768] vfs_write+0xc1c/0xf40 [ 222.891223][ T1768] ? kernel_write+0x3c0/0x3c0 [ 222.895884][ T1768] ? mutex_trylock+0xb0/0xb0 [ 222.900450][ T1768] ? __fdget_pos+0x26d/0x310 [ 222.905014][ T1768] ? ksys_write+0x77/0x2c0 [ 222.909403][ T1768] ksys_write+0x198/0x2c0 [ 222.913705][ T1768] ? __ia32_sys_read+0x90/0x90 [ 222.918540][ T1768] ? debug_smp_processor_id+0x17/0x20 [ 222.923884][ T1768] __x64_sys_write+0x7b/0x90 [ 222.928450][ T1768] do_syscall_64+0x34/0x70 [ 222.932850][ T1768] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 222.938715][ T1768] RIP: 0033:0x7fccade130e9 [ 222.943117][ T1768] 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 [ 222.962705][ T1768] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 222.971094][ T1768] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 222.979040][ T1768] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 222.986988][ T1768] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 222.994946][ T1768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 223.002895][ T1768] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 223.010945][ T1768] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 223.017993][ T1768] !!!! control_disable control_disable ss name cpu [ 223.024502][ T1768] !!!! control_disable control_disable ss name memory [ 223.031242][ T1768] !!!! control_disable control_disable ss name pids [ 223.037843][ T1768] !!!! control_disable kill_css(ffff88810f577800) [ 223.044613][ T1768] !!!! IN kill css_get(ffff88810f577800) [ 223.050300][ T1768] !!!! IN kill css_get(ffff88810f577800) [ 223.056023][ T1768] !!!! control_disable control_disable ss name cpu [ 223.062666][ T1768] !!!! control_disable control_disable ss name memory [ 223.069410][ T1768] !!!! control_disable control_disable ss name pids [ 223.076019][ T1768] !!!! control_disable kill_css(ffff88810f576c00) [ 223.083168][ T1768] !!!! IN kill css_get(ffff88810f576c00) [ 223.088864][ T1768] !!!! IN kill css_get(ffff88810f576c00) [ 223.094590][ T1768] !!!! control_disable control_disable ss name cpu [ 223.101094][ T1768] !!!! control_disable control_disable ss name memory [ 223.107872][ T1768] !!!! control_disable control_disable ss name pids [ 223.114459][ T1768] !!!! control_disable kill_css(ffff88810f574c00) [ 223.120930][ T1768] !!!! IN kill css_get(ffff88810f574c00) [ 223.126993][ T1768] !!!! IN kill css_get(ffff88810f574c00) [ 223.132793][ T1768] !!!! control_disable control_disable ss name cpu [ 223.139278][ T1768] !!!! control_disable control_disable ss name memory [ 223.146056][ T1768] !!!! control_disable control_disable ss name cpu [ 223.152560][ T1768] !!!! control_disable control_disable ss name memory [ 223.159291][ T1768] !!!! control_disable control_disable ss name cpu [ 223.165799][ T1768] !!!! control_disable control_disable ss name memory [ 223.172558][ T1768] !!!! control_disable control_disable ss name cpu [ 223.179028][ T1768] !!!! control_disable control_disable ss name memory [ 223.185785][ T1768] !!!! control_disable control_disable ss name pids [ 223.192365][ T1768] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 223.202873][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f577800) [ 223.209511][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f576c00) [ 223.216151][ T382] !!!! css_killed_work_fn css_put(ffff88810f577800) [ 223.222845][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f574c00) [ 223.229710][ T382] !!!! css_release enqueue(ffff88810f577800) [ 223.229855][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.236065][ T382] !!!! css_killed_work_fn css_put(ffff88810f576c00) [ 223.243105][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.249601][ T382] !!!! css_release enqueue(ffff88810f576c00) [ 223.257624][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.263971][ T382] !!!! css_killed_work_fn css_put(ffff88810f574c00) [ 223.269916][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.276286][ T382] !!!! css_release enqueue(ffff88810f574c00) [ 223.289027][ T1808] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 223.295560][ T1805] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 223.301731][ T1813] !!!! css_create css ffff88810f506800 !!!! [ 223.308162][ T1813] !!!! css_create css ffff88810f947c00 !!!! [ 223.314819][ T1813] !!!! css_create css ffff88810f944400 !!!! [ 223.320785][ T1813] FAULT_INJECTION: forcing a failure. [ 223.320785][ T1813] name failslab, interval 1, probability 0, space 0, times 0 [ 223.333596][ T1813] CPU: 0 PID: 1813 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 223.345558][ T1813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.355679][ T1813] Call Trace: [ 223.358952][ T1813] dump_stack_lvl+0x1e2/0x24b [ 223.363614][ T1813] ? bfq_pos_tree_add_move+0x43e/0x43e [ 223.369067][ T1813] dump_stack+0x15/0x17 [ 223.373212][ T1813] should_fail+0x3c0/0x510 [ 223.377647][ T1813] ? __kernfs_new_node+0x99/0x6e0 [ 223.382746][ T1813] __should_failslab+0x9f/0xe0 [ 223.387487][ T1813] should_failslab+0x9/0x20 [ 223.391992][ T1813] __kmalloc_track_caller+0x5f/0x350 [ 223.397262][ T1813] kstrdup_const+0x55/0x90 [ 223.401663][ T1813] __kernfs_new_node+0x99/0x6e0 [ 223.406503][ T1813] ? stack_trace_save+0x1f0/0x1f0 [ 223.411514][ T1813] ? kernfs_new_node+0x170/0x170 [ 223.416487][ T1813] ? ptr_to_hashval+0x60/0x60 [ 223.421157][ T1813] ? snprintf+0xd6/0x120 [ 223.425384][ T1813] kernfs_new_node+0x97/0x170 [ 223.430064][ T1813] __kernfs_create_file+0x4a/0x270 [ 223.435156][ T1813] cgroup_addrm_files+0xab8/0xfe0 [ 223.440183][ T1813] ? cgroup_apply_control_enable+0x734/0x12e0 [ 223.446240][ T1813] ? cgroup_apply_control+0x93/0x710 [ 223.451520][ T1813] ? cgroup_subtree_control_write+0xd19/0x1310 [ 223.457681][ T1813] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 223.463839][ T1813] ? delete_node+0x759/0x7b0 [ 223.468408][ T1813] ? __kasan_check_read+0x11/0x20 [ 223.473422][ T1813] ? delete_node+0x759/0x7b0 [ 223.478123][ T1813] ? __kasan_check_write+0x14/0x20 [ 223.483429][ T1813] ? __radix_tree_replace+0x246/0x2e0 [ 223.488971][ T1813] ? idr_get_next+0x4b0/0x4b0 [ 223.493636][ T1813] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 223.498650][ T1813] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 223.503979][ T1813] css_populate_dir+0x137/0x370 [ 223.508832][ T1813] cgroup_apply_control_enable+0x629/0x12e0 [ 223.514828][ T1813] cgroup_apply_control+0x93/0x710 [ 223.519923][ T1813] ? css_next_child+0x160/0x160 [ 223.524849][ T1813] ? set_next_entity+0xc5/0x390 [ 223.529700][ T1813] ? io_schedule+0x120/0x120 [ 223.534457][ T1813] ? kernfs_fop_write_iter+0x15e/0x410 [ 223.539902][ T1813] ? __kasan_check_write+0x14/0x20 [ 223.545000][ T1813] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 223.550277][ T1813] cgroup_subtree_control_write+0xd19/0x1310 [ 223.556254][ T1813] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 223.562314][ T1813] ? __kasan_check_write+0x14/0x20 [ 223.567422][ T1813] ? _copy_from_iter+0x3fb/0xd60 [ 223.572351][ T1813] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 223.578315][ T1813] cgroup_file_write+0x28e/0x590 [ 223.583230][ T1813] ? cgroup_seqfile_stop+0xc0/0xc0 [ 223.588318][ T1813] ? mutex_lock+0xa6/0x110 [ 223.592717][ T1813] ? mutex_trylock+0xb0/0xb0 [ 223.597282][ T1813] ? __kasan_check_write+0x14/0x20 [ 223.602368][ T1813] kernfs_fop_write_iter+0x2d0/0x410 [ 223.607665][ T1813] ? cgroup_seqfile_stop+0xc0/0xc0 [ 223.612772][ T1813] vfs_write+0xc1c/0xf40 [ 223.617043][ T1813] ? kernel_write+0x3c0/0x3c0 [ 223.621707][ T1813] ? mutex_trylock+0xb0/0xb0 [ 223.626301][ T1813] ? __fdget_pos+0x26d/0x310 [ 223.630869][ T1813] ? ksys_write+0x77/0x2c0 [ 223.635266][ T1813] ksys_write+0x198/0x2c0 [ 223.639573][ T1813] ? __ia32_sys_read+0x90/0x90 [ 223.644335][ T1813] ? debug_smp_processor_id+0x17/0x20 [ 223.649806][ T1813] __x64_sys_write+0x7b/0x90 [ 223.654388][ T1813] do_syscall_64+0x34/0x70 [ 223.658784][ T1813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 223.664679][ T1813] RIP: 0033:0x7ff3e27b70e9 [ 223.669076][ T1813] 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 [ 223.689721][ T1813] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 223.698317][ T1813] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 223.706269][ T1813] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 223.714319][ T1813] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 223.722285][ T1813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 223.730252][ T1813] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 223.738388][ T1813] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 223.745719][ T1813] !!!! control_disable control_disable ss name cpu [ 223.752384][ T1813] !!!! control_disable control_disable ss name memory [ 223.759274][ T1813] !!!! control_disable control_disable ss name pids [ 223.765980][ T1813] !!!! control_disable kill_css(ffff88810f506800) [ 223.772721][ T1813] !!!! IN kill css_get(ffff88810f506800) [ 223.778740][ T1813] !!!! IN kill css_get(ffff88810f506800) [ 223.784897][ T1813] !!!! control_disable control_disable ss name cpu [ 223.791574][ T1813] !!!! control_disable control_disable ss name memory [ 223.798451][ T1813] !!!! control_disable control_disable ss name pids [ 223.805222][ T1813] !!!! control_disable kill_css(ffff88810f947c00) [ 223.812533][ T1813] !!!! IN kill css_get(ffff88810f947c00) [ 223.818409][ T1813] !!!! IN kill css_get(ffff88810f947c00) [ 223.824432][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f506800) [ 223.831050][ T1813] !!!! control_disable control_disable ss name cpu [ 223.837929][ T1813] !!!! control_disable control_disable ss name memory [ 223.844883][ T1813] !!!! control_disable control_disable ss name pids [ 223.851479][ T1813] !!!! control_disable kill_css(ffff88810f944400) [ 223.858854][ T1813] !!!! IN kill css_get(ffff88810f944400) [ 223.864589][ T1813] !!!! IN kill css_get(ffff88810f944400) [ 223.870290][ T1813] !!!! control_disable control_disable ss name cpu [ 223.876994][ T1813] !!!! control_disable control_disable ss name memory [ 223.883760][ T1813] !!!! control_disable control_disable ss name cpu [ 223.890257][ T1813] !!!! control_disable control_disable ss name memory [ 223.897052][ T1813] !!!! control_disable control_disable ss name cpu [ 223.904358][ T1813] !!!! control_disable control_disable ss name memory [ 223.911111][ T1813] !!!! control_disable control_disable ss name cpu [ 223.917809][ T1813] !!!! control_disable control_disable ss name memory [ 223.924805][ T1813] !!!! control_disable control_disable ss name pids [ 223.931448][ T1813] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 223.938032][ T34] !!!! css_release_work_fn(ffff88810f577800) [ 223.944157][ T34] !!!! css_release_work_fn(ffff88810f576c00) [ 223.950224][ T34] !!!! css_release_work_fn(ffff88810f574c00) [ 223.952017][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.956482][ T34] !!!! css_killed_work_fn css_put(ffff88810f506800) [ 223.963341][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f947c00) [ 223.963358][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f944400) [ 223.964418][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.970953][ T34] !!!! css_release enqueue(ffff88810f506800) [ 223.978889][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 223.983960][ T34] !!!! css_killed_work_fn css_put(ffff88810f947c00) [ 224.011054][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.011559][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.018146][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.031804][ T34] !!!! css_release enqueue(ffff88810f947c00) [ 224.037869][ T34] !!!! css_killed_work_fn css_put(ffff88810f944400) [ 224.042009][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.044642][ T34] !!!! css_release enqueue(ffff88810f944400) [ 224.052304][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.057593][ T34] !!!! css_free_rwork_fn(ffff88810f577800) [ 224.065091][ T1818] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.070244][ T1804] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.078982][ T1820] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.083296][ T1807] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.090534][ T1820] !!!! css_create css ffff88810f2d8c00 !!!! [ 224.096908][ T34] !!!! css_free_rwork_fn(ffff88810f576c00) [ 224.103339][ T1820] !!!! css_create css ffff88810f557800 !!!! [ 224.114630][ T1820] !!!! css_create css ffff88810f53fc00 !!!! [ 224.120520][ T1820] FAULT_INJECTION: forcing a failure. [ 224.120520][ T1820] name failslab, interval 1, probability 0, space 0, times 0 [ 224.133251][ T1820] CPU: 1 PID: 1820 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 224.144974][ T1820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.155026][ T1820] Call Trace: [ 224.158300][ T1820] dump_stack_lvl+0x1e2/0x24b [ 224.162954][ T1820] ? bfq_pos_tree_add_move+0x43e/0x43e [ 224.168402][ T1820] ? serial8250_console_write+0xae0/0xe60 [ 224.174098][ T1820] ? record_print_text+0x266/0x420 [ 224.180490][ T1820] dump_stack+0x15/0x17 [ 224.184626][ T1820] should_fail+0x3c0/0x510 [ 224.189021][ T1820] ? __kernfs_new_node+0x99/0x6e0 [ 224.194018][ T1820] __should_failslab+0x9f/0xe0 [ 224.198773][ T1820] should_failslab+0x9/0x20 [ 224.203268][ T1820] __kmalloc_track_caller+0x5f/0x350 [ 224.208530][ T1820] kstrdup_const+0x55/0x90 [ 224.212939][ T1820] __kernfs_new_node+0x99/0x6e0 [ 224.217770][ T1820] ? stack_trace_save+0x1f0/0x1f0 [ 224.222774][ T1820] ? kernfs_new_node+0x170/0x170 [ 224.227853][ T1820] ? ptr_to_hashval+0x60/0x60 [ 224.232525][ T1820] ? snprintf+0xd6/0x120 [ 224.236741][ T1820] kernfs_new_node+0x97/0x170 [ 224.241390][ T1820] __kernfs_create_file+0x4a/0x270 [ 224.246494][ T1820] cgroup_addrm_files+0xab8/0xfe0 [ 224.251495][ T1820] ? cgroup_apply_control_enable+0x734/0x12e0 [ 224.258071][ T1820] ? cgroup_apply_control+0x93/0x710 [ 224.263331][ T1820] ? cgroup_subtree_control_write+0xd19/0x1310 [ 224.269468][ T1820] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 224.275606][ T1820] ? delete_node+0x759/0x7b0 [ 224.280173][ T1820] ? __kasan_check_read+0x11/0x20 [ 224.285190][ T1820] ? delete_node+0x759/0x7b0 [ 224.289751][ T1820] ? __kasan_check_write+0x14/0x20 [ 224.294853][ T1820] ? __radix_tree_replace+0x246/0x2e0 [ 224.300201][ T1820] ? idr_get_next+0x4b0/0x4b0 [ 224.304862][ T1820] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 224.309857][ T1820] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 224.315032][ T1820] css_populate_dir+0x137/0x370 [ 224.319869][ T1820] cgroup_apply_control_enable+0x629/0x12e0 [ 224.325830][ T1820] cgroup_apply_control+0x93/0x710 [ 224.330923][ T1820] ? css_next_child+0x160/0x160 [ 224.335757][ T1820] ? io_schedule+0x120/0x120 [ 224.340859][ T1820] ? kernfs_fop_write_iter+0x15e/0x410 [ 224.346292][ T1820] ? __kasan_check_write+0x14/0x20 [ 224.351377][ T1820] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 224.356658][ T1820] cgroup_subtree_control_write+0xd19/0x1310 [ 224.362613][ T1820] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 224.368575][ T1820] ? __kasan_check_write+0x14/0x20 [ 224.373667][ T1820] ? _copy_from_iter+0x3fb/0xd60 [ 224.378576][ T1820] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 224.384529][ T1820] cgroup_file_write+0x28e/0x590 [ 224.389438][ T1820] ? cgroup_seqfile_stop+0xc0/0xc0 [ 224.394532][ T1820] ? mutex_lock+0xa6/0x110 [ 224.398921][ T1820] ? mutex_trylock+0xb0/0xb0 [ 224.403488][ T1820] ? __kasan_check_write+0x14/0x20 [ 224.408570][ T1820] kernfs_fop_write_iter+0x2d0/0x410 [ 224.413840][ T1820] ? cgroup_seqfile_stop+0xc0/0xc0 [ 224.418934][ T1820] vfs_write+0xc1c/0xf40 [ 224.423167][ T1820] ? kernel_write+0x3c0/0x3c0 [ 224.427828][ T1820] ? mutex_trylock+0xb0/0xb0 [ 224.432397][ T1820] ? __fdget_pos+0x26d/0x310 [ 224.436961][ T1820] ? ksys_write+0x77/0x2c0 [ 224.441361][ T1820] ksys_write+0x198/0x2c0 [ 224.445670][ T1820] ? __ia32_sys_read+0x90/0x90 [ 224.450409][ T1820] ? debug_smp_processor_id+0x17/0x20 [ 224.455761][ T1820] __x64_sys_write+0x7b/0x90 [ 224.460454][ T1820] do_syscall_64+0x34/0x70 [ 224.464845][ T1820] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 224.470797][ T1820] RIP: 0033:0x7ff3e27b70e9 [ 224.475274][ T1820] 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 [ 224.494855][ T1820] RSP: 002b:00007ff3e272d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 224.503246][ T1820] RAX: ffffffffffffffda RBX: 00007ff3e28c9f60 RCX: 00007ff3e27b70e9 [ 224.511201][ T1820] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 224.519161][ T1820] RBP: 00007ff3e272d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 224.527110][ T1820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 224.535073][ T1820] R13: 00007ffc498a578f R14: 00007ff3e272d300 R15: 0000000000022000 [ 224.543304][ T1820] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 224.550597][ T1820] !!!! control_disable control_disable ss name cpu [ 224.557269][ T1820] !!!! control_disable control_disable ss name memory [ 224.564270][ T1820] !!!! control_disable control_disable ss name pids [ 224.571001][ T1820] !!!! control_disable kill_css(ffff88810f2d8c00) [ 224.577669][ T1820] !!!! IN kill css_get(ffff88810f2d8c00) [ 224.583510][ T1820] !!!! IN kill css_get(ffff88810f2d8c00) [ 224.589214][ T1820] !!!! control_disable control_disable ss name cpu [ 224.596027][ T1820] !!!! control_disable control_disable ss name memory [ 224.602999][ T1820] !!!! control_disable control_disable ss name pids [ 224.609807][ T1820] !!!! control_disable kill_css(ffff88810f557800) [ 224.616438][ T1820] !!!! IN kill css_get(ffff88810f557800) [ 224.622194][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f2d8c00) [ 224.622249][ T1820] !!!! IN kill css_get(ffff88810f557800) [ 224.634536][ T1820] !!!! control_disable control_disable ss name cpu [ 224.641082][ T1820] !!!! control_disable control_disable ss name memory [ 224.647871][ T1820] !!!! control_disable control_disable ss name pids [ 224.654496][ T1820] !!!! control_disable kill_css(ffff88810f53fc00) [ 224.660974][ T1820] !!!! IN kill css_get(ffff88810f53fc00) [ 224.666706][ T1820] !!!! IN kill css_get(ffff88810f53fc00) [ 224.672445][ T1820] !!!! control_disable control_disable ss name cpu [ 224.678921][ T1820] !!!! control_disable control_disable ss name memory [ 224.685723][ T1820] !!!! control_disable control_disable ss name cpu [ 224.692236][ T1820] !!!! control_disable control_disable ss name memory [ 224.698974][ T1820] !!!! control_disable control_disable ss name cpu 2022/06/08 04:03:36 executed programs: 488 [ 224.705494][ T1820] !!!! control_disable control_disable ss name memory [ 224.712269][ T1820] !!!! control_disable control_disable ss name cpu [ 224.718746][ T1820] !!!! control_disable control_disable ss name memory [ 224.725519][ T1820] !!!! control_disable control_disable ss name pids [ 224.732146][ T1820] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.738638][ T34] !!!! css_release_work_fn(ffff88810f506800) [ 224.745094][ T378] !!!! css_killed_work_fn css_put(ffff88810f2d8c00) [ 224.745099][ T34] !!!! css_free_rwork_fn(ffff88810f574c00) [ 224.747174][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f557800) [ 224.751919][ T378] !!!! css_release enqueue(ffff88810f2d8c00) [ 224.759085][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.768667][ T378] !!!! css_release_work_fn(ffff88810f2d8c00) [ 224.770717][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.777356][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f53fc00) [ 224.796966][ T34] !!!! css_release_work_fn(ffff88810f947c00) [ 224.797790][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.803122][ T34] !!!! css_release_work_fn(ffff88810f944400) [ 224.810835][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 224.816562][ T34] !!!! css_killed_work_fn css_put(ffff88810f557800) [ 224.823226][ T378] !!!! css_free_rwork_fn(ffff88810f2d8c00) [ 224.830097][ T34] !!!! css_release enqueue(ffff88810f557800) [ 224.841813][ T34] !!!! css_killed_work_fn css_put(ffff88810f53fc00) [ 224.848497][ T34] !!!! css_release enqueue(ffff88810f53fc00) [ 224.854797][ T1806] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.854840][ T1822] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 224.866099][ T1809] !!!! css_create css ffff88810f2fa400 !!!! [ 224.868199][ T34] !!!! css_free_rwork_fn(ffff88810f506800) [ 224.874463][ T1809] !!!! css_create css ffff88810f2f9400 !!!! [ 224.879917][ T34] !!!! css_free_rwork_fn(ffff88810f947c00) [ 224.879927][ T34] !!!! css_free_rwork_fn(ffff88810f944400) [ 224.897697][ T1809] !!!! css_create css ffff88810f2f8000 !!!! [ 224.903814][ T1809] FAULT_INJECTION: forcing a failure. [ 224.903814][ T1809] name failslab, interval 1, probability 0, space 0, times 0 [ 224.916488][ T1809] CPU: 0 PID: 1809 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 224.928114][ T1809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.938145][ T1809] Call Trace: [ 224.941411][ T1809] dump_stack_lvl+0x1e2/0x24b [ 224.946063][ T1809] ? bfq_pos_tree_add_move+0x43e/0x43e [ 224.951491][ T1809] dump_stack+0x15/0x17 [ 224.955617][ T1809] should_fail+0x3c0/0x510 [ 224.960003][ T1809] ? __kernfs_new_node+0x99/0x6e0 [ 224.964999][ T1809] __should_failslab+0x9f/0xe0 [ 224.969732][ T1809] should_failslab+0x9/0x20 [ 224.974207][ T1809] __kmalloc_track_caller+0x5f/0x350 [ 224.979473][ T1809] kstrdup_const+0x55/0x90 [ 224.983864][ T1809] __kernfs_new_node+0x99/0x6e0 [ 224.988685][ T1809] ? stack_trace_save+0x1f0/0x1f0 [ 224.993692][ T1809] ? kernfs_new_node+0x170/0x170 [ 224.998607][ T1809] ? ptr_to_hashval+0x60/0x60 [ 225.003254][ T1809] ? snprintf+0xd6/0x120 [ 225.007482][ T1809] kernfs_new_node+0x97/0x170 [ 225.012156][ T1809] __kernfs_create_file+0x4a/0x270 [ 225.017251][ T1809] cgroup_addrm_files+0xab8/0xfe0 [ 225.022251][ T1809] ? cgroup_apply_control_enable+0x734/0x12e0 [ 225.028301][ T1809] ? cgroup_apply_control+0x93/0x710 [ 225.033554][ T1809] ? cgroup_subtree_control_write+0xd19/0x1310 [ 225.039687][ T1809] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 225.045813][ T1809] ? delete_node+0x759/0x7b0 [ 225.050381][ T1809] ? __kasan_check_read+0x11/0x20 [ 225.055386][ T1809] ? delete_node+0x759/0x7b0 [ 225.059943][ T1809] ? __kasan_check_write+0x14/0x20 [ 225.065024][ T1809] ? __radix_tree_replace+0x246/0x2e0 [ 225.070370][ T1809] ? idr_get_next+0x4b0/0x4b0 [ 225.075031][ T1809] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 225.080069][ T1809] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 225.085241][ T1809] css_populate_dir+0x137/0x370 [ 225.090072][ T1809] cgroup_apply_control_enable+0x629/0x12e0 [ 225.095945][ T1809] cgroup_apply_control+0x93/0x710 [ 225.101077][ T1809] ? css_next_child+0x160/0x160 [ 225.106047][ T1809] ? set_next_entity+0xc5/0x390 [ 225.110899][ T1809] ? io_schedule+0x120/0x120 [ 225.115475][ T1809] ? kernfs_fop_write_iter+0x15e/0x410 [ 225.120919][ T1809] ? __kasan_check_write+0x14/0x20 [ 225.126029][ T1809] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 225.131295][ T1809] cgroup_subtree_control_write+0xd19/0x1310 [ 225.137248][ T1809] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 225.143203][ T1809] ? __kasan_check_write+0x14/0x20 [ 225.148289][ T1809] ? _copy_from_iter+0x3fb/0xd60 [ 225.153199][ T1809] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 225.159150][ T1809] cgroup_file_write+0x28e/0x590 [ 225.164057][ T1809] ? cgroup_seqfile_stop+0xc0/0xc0 [ 225.169157][ T1809] ? mutex_lock+0xa6/0x110 [ 225.173553][ T1809] ? mutex_trylock+0xb0/0xb0 [ 225.178132][ T1809] ? __kasan_check_write+0x14/0x20 [ 225.183237][ T1809] kernfs_fop_write_iter+0x2d0/0x410 [ 225.188512][ T1809] ? cgroup_seqfile_stop+0xc0/0xc0 [ 225.193599][ T1809] vfs_write+0xc1c/0xf40 [ 225.197817][ T1809] ? kernel_write+0x3c0/0x3c0 [ 225.202484][ T1809] ? mutex_trylock+0xb0/0xb0 [ 225.207163][ T1809] ? __fdget_pos+0x26d/0x310 [ 225.211750][ T1809] ? ksys_write+0x77/0x2c0 [ 225.216941][ T1809] ksys_write+0x198/0x2c0 [ 225.221302][ T1809] ? __ia32_sys_read+0x90/0x90 [ 225.226044][ T1809] ? debug_smp_processor_id+0x17/0x20 [ 225.231387][ T1809] __x64_sys_write+0x7b/0x90 [ 225.235961][ T1809] do_syscall_64+0x34/0x70 [ 225.240350][ T1809] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 225.246211][ T1809] RIP: 0033:0x7f5d5b96a0e9 [ 225.250618][ T1809] 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 [ 225.270198][ T1809] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 225.278582][ T1809] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 225.288524][ T1809] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 225.296465][ T1809] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 225.304408][ T1809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 225.312352][ T1809] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 225.320760][ T1809] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 225.327938][ T1809] !!!! control_disable control_disable ss name cpu [ 225.334578][ T1809] !!!! control_disable control_disable ss name memory [ 225.341390][ T1809] !!!! control_disable control_disable ss name pids [ 225.348338][ T1809] !!!! control_disable kill_css(ffff88810f2fa400) [ 225.354974][ T1809] !!!! IN kill css_get(ffff88810f2fa400) [ 225.360727][ T1809] !!!! IN kill css_get(ffff88810f2fa400) [ 225.366634][ T1809] !!!! control_disable control_disable ss name cpu [ 225.373210][ T1809] !!!! control_disable control_disable ss name memory [ 225.380018][ T1809] !!!! control_disable control_disable ss name pids [ 225.386662][ T1809] !!!! control_disable kill_css(ffff88810f2f9400) [ 225.393325][ T1809] !!!! IN kill css_get(ffff88810f2f9400) [ 225.393901][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f2fa400) [ 225.399091][ T1809] !!!! IN kill css_get(ffff88810f2f9400) [ 225.411473][ T1809] !!!! control_disable control_disable ss name cpu [ 225.418018][ T1809] !!!! control_disable control_disable ss name memory [ 225.424887][ T1809] !!!! control_disable control_disable ss name pids [ 225.431459][ T1809] !!!! control_disable kill_css(ffff88810f2f8000) [ 225.438046][ T1809] !!!! IN kill css_get(ffff88810f2f8000) [ 225.443766][ T1809] !!!! IN kill css_get(ffff88810f2f8000) [ 225.449466][ T1809] !!!! control_disable control_disable ss name cpu [ 225.456079][ T1809] !!!! control_disable control_disable ss name memory [ 225.462852][ T1809] !!!! control_disable control_disable ss name cpu [ 225.469326][ T1809] !!!! control_disable control_disable ss name memory [ 225.476085][ T1809] !!!! control_disable control_disable ss name cpu [ 225.482593][ T1809] !!!! control_disable control_disable ss name memory [ 225.489328][ T1809] !!!! control_disable control_disable ss name cpu [ 225.495852][ T1809] !!!! control_disable control_disable ss name memory [ 225.502699][ T1809] !!!! control_disable control_disable ss name pids [ 225.509305][ T34] !!!! css_release_work_fn(ffff88810f557800) [ 225.509782][ T1809] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 225.515625][ T34] !!!! css_release_work_fn(ffff88810f53fc00) [ 225.528170][ T378] !!!! css_killed_work_fn css_put(ffff88810f2fa400) [ 225.534985][ T378] !!!! css_release enqueue(ffff88810f2fa400) [ 225.536232][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 225.544867][ T378] !!!! css_release_work_fn(ffff88810f2fa400) [ 225.547910][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f2f9400) [ 225.560580][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f2f8000) [ 225.567215][ T34] !!!! css_killed_work_fn css_put(ffff88810f2f9400) [ 225.567468][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 225.573945][ T34] !!!! css_release enqueue(ffff88810f2f9400) [ 225.581143][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 225.587268][ T34] !!!! css_killed_work_fn css_put(ffff88810f2f8000) [ 225.594858][ T378] !!!! css_free_rwork_fn(ffff88810f2fa400) [ 225.601144][ T34] !!!! css_release enqueue(ffff88810f2f8000) [ 225.607619][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 225.613307][ T5] !!!! css_free_rwork_fn(ffff88810f557800) [ 225.619945][ T1812] !!!! css_create css ffff88810f350800 !!!! [ 225.626022][ T5] !!!! css_free_rwork_fn(ffff88810f53fc00) [ 225.633816][ T1812] !!!! css_create css ffff88810f353400 !!!! [ 225.643570][ T1812] !!!! css_create css ffff88811268f400 !!!! [ 225.649453][ T1812] FAULT_INJECTION: forcing a failure. [ 225.649453][ T1812] name failslab, interval 1, probability 0, space 0, times 0 [ 225.662264][ T1812] CPU: 1 PID: 1812 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 225.673867][ T1812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.683911][ T1812] Call Trace: [ 225.687198][ T1812] dump_stack_lvl+0x1e2/0x24b [ 225.691865][ T1812] ? bfq_pos_tree_add_move+0x43e/0x43e [ 225.697320][ T1812] ? serial8250_console_write+0xae0/0xe60 [ 225.703108][ T1812] ? record_print_text+0x266/0x420 [ 225.708212][ T1812] dump_stack+0x15/0x17 [ 225.712444][ T1812] should_fail+0x3c0/0x510 [ 225.716851][ T1812] ? __kernfs_new_node+0x99/0x6e0 [ 225.721868][ T1812] __should_failslab+0x9f/0xe0 [ 225.726619][ T1812] should_failslab+0x9/0x20 [ 225.731279][ T1812] __kmalloc_track_caller+0x5f/0x350 [ 225.736546][ T1812] kstrdup_const+0x55/0x90 [ 225.740987][ T1812] __kernfs_new_node+0x99/0x6e0 [ 225.745863][ T1812] ? stack_trace_save+0x1f0/0x1f0 [ 225.750875][ T1812] ? kernfs_new_node+0x170/0x170 [ 225.755830][ T1812] ? ptr_to_hashval+0x60/0x60 [ 225.760533][ T1812] ? snprintf+0xd6/0x120 [ 225.764760][ T1812] kernfs_new_node+0x97/0x170 [ 225.769462][ T1812] __kernfs_create_file+0x4a/0x270 [ 225.774572][ T1812] cgroup_addrm_files+0xab8/0xfe0 [ 225.779746][ T1812] ? cgroup_apply_control_enable+0x734/0x12e0 [ 225.785792][ T1812] ? cgroup_apply_control+0x93/0x710 [ 225.791150][ T1812] ? cgroup_subtree_control_write+0xd19/0x1310 [ 225.797290][ T1812] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 225.803425][ T1812] ? delete_node+0x759/0x7b0 [ 225.808050][ T1812] ? __kasan_check_read+0x11/0x20 [ 225.813088][ T1812] ? delete_node+0x759/0x7b0 [ 225.817665][ T1812] ? __kasan_check_write+0x14/0x20 [ 225.822773][ T1812] ? __radix_tree_replace+0x246/0x2e0 [ 225.828145][ T1812] ? idr_get_next+0x4b0/0x4b0 [ 225.832814][ T1812] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 225.837825][ T1812] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 225.843010][ T1812] css_populate_dir+0x137/0x370 [ 225.847869][ T1812] cgroup_apply_control_enable+0x629/0x12e0 [ 225.853762][ T1812] cgroup_apply_control+0x93/0x710 [ 225.858969][ T1812] ? css_next_child+0x160/0x160 [ 225.863810][ T1812] ? set_next_entity+0xc5/0x390 [ 225.868643][ T1812] ? io_schedule+0x120/0x120 [ 225.873229][ T1812] ? kernfs_fop_write_iter+0x15e/0x410 [ 225.878821][ T1812] ? __kasan_check_write+0x14/0x20 [ 225.883930][ T1812] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 225.889206][ T1812] cgroup_subtree_control_write+0xd19/0x1310 [ 225.895179][ T1812] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 225.901146][ T1812] ? __kasan_check_write+0x14/0x20 [ 225.906247][ T1812] ? _copy_from_iter+0x3fb/0xd60 [ 225.911177][ T1812] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 225.917153][ T1812] cgroup_file_write+0x28e/0x590 [ 225.922158][ T1812] ? cgroup_seqfile_stop+0xc0/0xc0 [ 225.927249][ T1812] ? mutex_lock+0xa6/0x110 [ 225.931659][ T1812] ? mutex_trylock+0xb0/0xb0 [ 225.936253][ T1812] ? __kasan_check_write+0x14/0x20 [ 225.941435][ T1812] kernfs_fop_write_iter+0x2d0/0x410 [ 225.946706][ T1812] ? cgroup_seqfile_stop+0xc0/0xc0 [ 225.951813][ T1812] vfs_write+0xc1c/0xf40 [ 225.956062][ T1812] ? kernel_write+0x3c0/0x3c0 [ 225.960801][ T1812] ? mutex_trylock+0xb0/0xb0 [ 225.965393][ T1812] ? __fdget_pos+0x26d/0x310 [ 225.969991][ T1812] ? ksys_write+0x77/0x2c0 [ 225.974665][ T1812] ksys_write+0x198/0x2c0 [ 225.978976][ T1812] ? __ia32_sys_read+0x90/0x90 [ 225.983744][ T1812] ? debug_smp_processor_id+0x17/0x20 [ 225.989108][ T1812] __x64_sys_write+0x7b/0x90 [ 225.993688][ T1812] do_syscall_64+0x34/0x70 [ 225.998087][ T1812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 226.004058][ T1812] RIP: 0033:0x7f75104510e9 [ 226.008469][ T1812] 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 [ 226.028179][ T1812] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 226.036673][ T1812] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 226.044644][ T1812] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 226.052680][ T1812] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 226.060652][ T1812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 226.068621][ T1812] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 226.077566][ T1812] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 226.084660][ T1812] !!!! control_disable control_disable ss name cpu [ 226.091234][ T1812] !!!! control_disable control_disable ss name memory [ 226.098446][ T1812] !!!! control_disable control_disable ss name pids [ 226.105085][ T1812] !!!! control_disable kill_css(ffff88810f350800) [ 226.111786][ T1812] !!!! IN kill css_get(ffff88810f350800) [ 226.117673][ T1812] !!!! IN kill css_get(ffff88810f350800) [ 226.123606][ T1812] !!!! control_disable control_disable ss name cpu [ 226.130294][ T1812] !!!! control_disable control_disable ss name memory [ 226.137118][ T1812] !!!! control_disable control_disable ss name pids [ 226.143824][ T1812] !!!! control_disable kill_css(ffff88810f353400) [ 226.150469][ T1812] !!!! IN kill css_get(ffff88810f353400) [ 226.156217][ T1812] !!!! IN kill css_get(ffff88810f353400) [ 226.162041][ T1812] !!!! control_disable control_disable ss name cpu [ 226.168565][ T1812] !!!! control_disable control_disable ss name memory [ 226.175445][ T1812] !!!! control_disable control_disable ss name pids [ 226.182179][ T1812] !!!! control_disable kill_css(ffff88811268f400) [ 226.188684][ T1812] !!!! IN kill css_get(ffff88811268f400) [ 226.194541][ T1812] !!!! IN kill css_get(ffff88811268f400) [ 226.200280][ T1812] !!!! control_disable control_disable ss name cpu [ 226.206838][ T1812] !!!! control_disable control_disable ss name memory [ 226.213619][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f350800) [ 226.213655][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f353400) [ 226.226842][ T1812] !!!! control_disable control_disable ss name cpu [ 226.233362][ T1812] !!!! control_disable control_disable ss name memory [ 226.240110][ T1812] !!!! control_disable control_disable ss name cpu [ 226.246632][ C1] !!!! css_killed_ref_fn enqueue(ffff88811268f400) [ 226.253258][ T1812] !!!! control_disable control_disable ss name memory [ 226.260081][ T1812] !!!! control_disable control_disable ss name cpu [ 226.266593][ T1812] !!!! control_disable control_disable ss name memory [ 226.273353][ T1812] !!!! control_disable control_disable ss name pids [ 226.279969][ T1812] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 226.280003][ T34] !!!! css_release_work_fn(ffff88810f2f9400) [ 226.292692][ T378] !!!! css_killed_work_fn css_put(ffff88810f350800) [ 226.300538][ T378] !!!! css_release enqueue(ffff88810f350800) [ 226.300838][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.311260][ T435] !!!! css_killed_work_fn css_put(ffff88810f353400) [ 226.313916][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.320467][ T435] !!!! css_release enqueue(ffff88810f353400) [ 226.327863][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.335056][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.341129][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.352989][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.362648][ T34] !!!! css_release_work_fn(ffff88810f2f8000) [ 226.363298][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.368843][ T34] !!!! css_free_rwork_fn(ffff88810f2f9400) [ 226.376382][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 226.388382][ T435] !!!! css_killed_work_fn css_put(ffff88811268f400) [ 226.395379][ T435] !!!! css_release enqueue(ffff88811268f400) [ 226.397170][ T34] !!!! css_free_rwork_fn(ffff88810f2f8000) [ 226.401475][ T1827] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 226.408713][ T1818] !!!! css_create css ffff88810f9c5c00 !!!! [ 226.420443][ T1818] !!!! css_create css ffff88810f9c6000 !!!! [ 226.426393][ T1818] !!!! css_create css ffff88810f9c6400 !!!! [ 226.432347][ T1818] FAULT_INJECTION: forcing a failure. [ 226.432347][ T1818] name failslab, interval 1, probability 0, space 0, times 0 [ 226.445028][ T1818] CPU: 1 PID: 1818 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 226.456754][ T1818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.466795][ T1818] Call Trace: [ 226.470067][ T1818] dump_stack_lvl+0x1e2/0x24b [ 226.474728][ T1818] ? bfq_pos_tree_add_move+0x43e/0x43e [ 226.480265][ T1818] dump_stack+0x15/0x17 [ 226.484581][ T1818] should_fail+0x3c0/0x510 [ 226.488972][ T1818] ? __kernfs_new_node+0x99/0x6e0 [ 226.493981][ T1818] __should_failslab+0x9f/0xe0 [ 226.498820][ T1818] should_failslab+0x9/0x20 [ 226.503392][ T1818] __kmalloc_track_caller+0x5f/0x350 [ 226.508651][ T1818] kstrdup_const+0x55/0x90 [ 226.513047][ T1818] __kernfs_new_node+0x99/0x6e0 [ 226.517869][ T1818] ? stack_trace_save+0x1f0/0x1f0 [ 226.522865][ T1818] ? kernfs_new_node+0x170/0x170 [ 226.527774][ T1818] ? ptr_to_hashval+0x60/0x60 [ 226.532509][ T1818] ? snprintf+0xd6/0x120 [ 226.536735][ T1818] kernfs_new_node+0x97/0x170 [ 226.541405][ T1818] __kernfs_create_file+0x4a/0x270 [ 226.546501][ T1818] cgroup_addrm_files+0xab8/0xfe0 [ 226.551509][ T1818] ? cgroup_apply_control_enable+0x734/0x12e0 [ 226.557637][ T1818] ? cgroup_apply_control+0x93/0x710 [ 226.562916][ T1818] ? cgroup_subtree_control_write+0xd19/0x1310 [ 226.569075][ T1818] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 226.575479][ T1818] ? delete_node+0x759/0x7b0 [ 226.580050][ T1818] ? __kasan_check_read+0x11/0x20 [ 226.585069][ T1818] ? delete_node+0x759/0x7b0 [ 226.589929][ T1818] ? __kasan_check_write+0x14/0x20 [ 226.595031][ T1818] ? __radix_tree_replace+0x246/0x2e0 [ 226.600415][ T1818] ? idr_get_next+0x4b0/0x4b0 [ 226.605255][ T1818] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 226.610450][ T1818] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 226.615628][ T1818] css_populate_dir+0x137/0x370 [ 226.620534][ T1818] cgroup_apply_control_enable+0x629/0x12e0 [ 226.626447][ T1818] cgroup_apply_control+0x93/0x710 [ 226.631555][ T1818] ? css_next_child+0x160/0x160 [ 226.636385][ T1818] ? io_schedule+0x120/0x120 [ 226.640956][ T1818] ? kernfs_fop_write_iter+0x15e/0x410 [ 226.646393][ T1818] ? __kasan_check_write+0x14/0x20 [ 226.651485][ T1818] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 226.656760][ T1818] cgroup_subtree_control_write+0xd19/0x1310 [ 226.662724][ T1818] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 226.668680][ T1818] ? __kasan_check_write+0x14/0x20 [ 226.673767][ T1818] ? _copy_from_iter+0x3fb/0xd60 [ 226.678680][ T1818] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 226.684634][ T1818] cgroup_file_write+0x28e/0x590 [ 226.689563][ T1818] ? cgroup_seqfile_stop+0xc0/0xc0 [ 226.694745][ T1818] ? mutex_lock+0xa6/0x110 [ 226.699156][ T1818] ? mutex_trylock+0xb0/0xb0 [ 226.703734][ T1818] ? __kasan_check_write+0x14/0x20 [ 226.708822][ T1818] kernfs_fop_write_iter+0x2d0/0x410 [ 226.714108][ T1818] ? cgroup_seqfile_stop+0xc0/0xc0 [ 226.719202][ T1818] vfs_write+0xc1c/0xf40 [ 226.723428][ T1818] ? kernel_write+0x3c0/0x3c0 [ 226.728514][ T1818] ? mutex_trylock+0xb0/0xb0 [ 226.733086][ T1818] ? __fdget_pos+0x26d/0x310 [ 226.737653][ T1818] ? ksys_write+0x77/0x2c0 [ 226.742060][ T1818] ksys_write+0x198/0x2c0 [ 226.746366][ T1818] ? __ia32_sys_read+0x90/0x90 [ 226.751142][ T1818] ? debug_smp_processor_id+0x17/0x20 [ 226.756536][ T1818] __x64_sys_write+0x7b/0x90 [ 226.761116][ T1818] do_syscall_64+0x34/0x70 [ 226.765515][ T1818] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 226.771383][ T1818] RIP: 0033:0x7fccade130e9 [ 226.775797][ T1818] 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 [ 226.795470][ T1818] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 226.803862][ T1818] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 226.811897][ T1818] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 226.819861][ T1818] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 226.827832][ T1818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 226.835797][ T1818] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 226.844004][ T1818] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 226.851246][ T1818] !!!! control_disable control_disable ss name cpu [ 226.858088][ T1818] !!!! control_disable control_disable ss name memory [ 226.864931][ T1818] !!!! control_disable control_disable ss name pids [ 226.871729][ T1818] !!!! control_disable kill_css(ffff88810f9c5c00) [ 226.878266][ T1818] !!!! IN kill css_get(ffff88810f9c5c00) [ 226.884132][ T1818] !!!! IN kill css_get(ffff88810f9c5c00) [ 226.889847][ T1818] !!!! control_disable control_disable ss name cpu [ 226.896477][ T1818] !!!! control_disable control_disable ss name memory [ 226.903240][ T1818] !!!! control_disable control_disable ss name pids [ 226.909816][ T1818] !!!! control_disable kill_css(ffff88810f9c6000) [ 226.916372][ T1818] !!!! IN kill css_get(ffff88810f9c6000) [ 226.922087][ T1818] !!!! IN kill css_get(ffff88810f9c6000) [ 226.927880][ T1818] !!!! control_disable control_disable ss name cpu [ 226.934396][ T1818] !!!! control_disable control_disable ss name memory [ 226.941145][ T1818] !!!! control_disable control_disable ss name pids [ 226.948012][ T1818] !!!! control_disable kill_css(ffff88810f9c6400) [ 226.954620][ T1818] !!!! IN kill css_get(ffff88810f9c6400) [ 226.960315][ T1818] !!!! IN kill css_get(ffff88810f9c6400) [ 226.966274][ T1818] !!!! control_disable control_disable ss name cpu [ 226.973009][ T1818] !!!! control_disable control_disable ss name memory [ 226.979760][ T1818] !!!! control_disable control_disable ss name cpu [ 226.986271][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f9c5c00) [ 226.992905][ T1818] !!!! control_disable control_disable ss name memory [ 226.999727][ T1818] !!!! control_disable control_disable ss name cpu [ 227.006338][ T1818] !!!! control_disable control_disable ss name memory [ 227.013125][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f9c6000) [ 227.013145][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f9c6400) [ 227.026366][ T1818] !!!! control_disable control_disable ss name cpu [ 227.032887][ T1818] !!!! control_disable control_disable ss name memory [ 227.039637][ T1818] !!!! control_disable control_disable ss name pids [ 227.046264][ T1818] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 227.046646][ T435] !!!! css_release_work_fn(ffff88810f350800) [ 227.059273][ T435] !!!! css_release_work_fn(ffff88810f353400) [ 227.061248][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.072240][ T5] !!!! css_killed_work_fn css_put(ffff88810f9c5c00) [ 227.073226][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.080068][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.089748][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.092892][ T5] !!!! css_release enqueue(ffff88810f9c5c00) [ 227.100327][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.106363][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.119585][ T5] !!!! css_killed_work_fn css_put(ffff88810f9c6000) [ 227.119954][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.126468][ T5] !!!! css_release enqueue(ffff88810f9c6000) [ 227.134053][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.146276][ T435] !!!! css_release_work_fn(ffff88811268f400) [ 227.152862][ T435] !!!! css_free_rwork_fn(ffff88810f350800) [ 227.153455][ T5] !!!! css_killed_work_fn css_put(ffff88810f9c6400) [ 227.158856][ T435] !!!! css_free_rwork_fn(ffff88810f353400) [ 227.171538][ T5] !!!! css_release enqueue(ffff88810f9c6400) [ 227.177846][ T1832] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 227.177877][ T1810] !!!! css_create css ffff888121c91400 !!!! [ 227.190325][ T1810] !!!! css_create css ffff888121c90400 !!!! [ 227.196292][ T1810] !!!! css_create css ffff88810f726800 !!!! [ 227.201710][ T435] !!!! css_free_rwork_fn(ffff88811268f400) [ 227.202395][ T1810] FAULT_INJECTION: forcing a failure. [ 227.202395][ T1810] name failslab, interval 1, probability 0, space 0, times 0 [ 227.222043][ T1810] CPU: 0 PID: 1810 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 227.233761][ T1810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.243816][ T1810] Call Trace: [ 227.247302][ T1810] dump_stack_lvl+0x1e2/0x24b [ 227.251974][ T1810] ? bfq_pos_tree_add_move+0x43e/0x43e [ 227.257420][ T1810] dump_stack+0x15/0x17 [ 227.261709][ T1810] should_fail+0x3c0/0x510 [ 227.266107][ T1810] ? __kernfs_new_node+0x99/0x6e0 [ 227.271114][ T1810] __should_failslab+0x9f/0xe0 [ 227.275856][ T1810] should_failslab+0x9/0x20 [ 227.280356][ T1810] __kmalloc_track_caller+0x5f/0x350 [ 227.285622][ T1810] kstrdup_const+0x55/0x90 [ 227.290115][ T1810] __kernfs_new_node+0x99/0x6e0 [ 227.295042][ T1810] ? stack_trace_save+0x1f0/0x1f0 [ 227.300226][ T1810] ? kernfs_new_node+0x170/0x170 [ 227.305163][ T1810] ? ptr_to_hashval+0x60/0x60 [ 227.309828][ T1810] ? snprintf+0xd6/0x120 [ 227.314052][ T1810] kernfs_new_node+0x97/0x170 [ 227.318710][ T1810] __kernfs_create_file+0x4a/0x270 [ 227.323800][ T1810] cgroup_addrm_files+0xab8/0xfe0 [ 227.328805][ T1810] ? cgroup_apply_control_enable+0x734/0x12e0 [ 227.334937][ T1810] ? cgroup_apply_control+0x93/0x710 [ 227.340204][ T1810] ? cgroup_subtree_control_write+0xd19/0x1310 [ 227.346339][ T1810] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 227.352476][ T1810] ? delete_node+0x759/0x7b0 [ 227.357057][ T1810] ? __kasan_check_read+0x11/0x20 [ 227.362061][ T1810] ? delete_node+0x759/0x7b0 [ 227.366641][ T1810] ? __kasan_check_write+0x14/0x20 [ 227.371733][ T1810] ? __radix_tree_replace+0x246/0x2e0 [ 227.377118][ T1810] ? idr_get_next+0x4b0/0x4b0 [ 227.381829][ T1810] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 227.386875][ T1810] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 227.392160][ T1810] css_populate_dir+0x137/0x370 [ 227.396993][ T1810] cgroup_apply_control_enable+0x629/0x12e0 [ 227.402864][ T1810] cgroup_apply_control+0x93/0x710 [ 227.407949][ T1810] ? css_next_child+0x160/0x160 [ 227.412796][ T1810] ? set_next_entity+0xc5/0x390 [ 227.417631][ T1810] ? io_schedule+0x120/0x120 [ 227.422257][ T1810] ? kernfs_fop_write_iter+0x15e/0x410 [ 227.427708][ T1810] ? __kasan_check_write+0x14/0x20 [ 227.432800][ T1810] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 227.438073][ T1810] cgroup_subtree_control_write+0xd19/0x1310 [ 227.444043][ T1810] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 227.450001][ T1810] ? __kasan_check_write+0x14/0x20 [ 227.455089][ T1810] ? _copy_from_iter+0x3fb/0xd60 [ 227.460016][ T1810] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 227.465995][ T1810] cgroup_file_write+0x28e/0x590 [ 227.470913][ T1810] ? cgroup_seqfile_stop+0xc0/0xc0 [ 227.476000][ T1810] ? mutex_lock+0xa6/0x110 [ 227.480941][ T1810] ? mutex_trylock+0xb0/0xb0 [ 227.485507][ T1810] ? __kasan_check_write+0x14/0x20 [ 227.490600][ T1810] kernfs_fop_write_iter+0x2d0/0x410 [ 227.496041][ T1810] ? cgroup_seqfile_stop+0xc0/0xc0 [ 227.501144][ T1810] vfs_write+0xc1c/0xf40 [ 227.505368][ T1810] ? kernel_write+0x3c0/0x3c0 [ 227.510025][ T1810] ? mutex_trylock+0xb0/0xb0 [ 227.514593][ T1810] ? __fdget_pos+0x26d/0x310 [ 227.519160][ T1810] ? ksys_write+0x77/0x2c0 [ 227.523552][ T1810] ksys_write+0x198/0x2c0 [ 227.527867][ T1810] ? __ia32_sys_read+0x90/0x90 [ 227.532629][ T1810] ? debug_smp_processor_id+0x17/0x20 [ 227.538072][ T1810] __x64_sys_write+0x7b/0x90 [ 227.542637][ T1810] do_syscall_64+0x34/0x70 [ 227.547033][ T1810] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 227.553169][ T1810] RIP: 0033:0x7f2fc06ba0e9 [ 227.557571][ T1810] 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 [ 227.577179][ T1810] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 227.585661][ T1810] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 227.593614][ T1810] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 227.601566][ T1810] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 227.610402][ T1810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 227.618389][ T1810] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 227.627551][ T1810] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 227.634699][ T1810] !!!! control_disable control_disable ss name cpu [ 227.641172][ T1810] !!!! control_disable control_disable ss name memory [ 227.648135][ T1810] !!!! control_disable control_disable ss name pids [ 227.654841][ T1810] !!!! control_disable kill_css(ffff888121c91400) [ 227.661446][ T1810] !!!! IN kill css_get(ffff888121c91400) [ 227.667192][ T1810] !!!! IN kill css_get(ffff888121c91400) [ 227.673026][ T1810] !!!! control_disable control_disable ss name cpu [ 227.679878][ T1810] !!!! control_disable control_disable ss name memory [ 227.687038][ T1810] !!!! control_disable control_disable ss name pids [ 227.693635][ T1810] !!!! control_disable kill_css(ffff888121c90400) [ 227.700174][ T1810] !!!! IN kill css_get(ffff888121c90400) [ 227.705900][ T1810] !!!! IN kill css_get(ffff888121c90400) [ 227.711721][ T1810] !!!! control_disable control_disable ss name cpu [ 227.718198][ T1810] !!!! control_disable control_disable ss name memory [ 227.725090][ T1810] !!!! control_disable control_disable ss name pids [ 227.731688][ T1810] !!!! control_disable kill_css(ffff88810f726800) [ 227.738181][ T1810] !!!! IN kill css_get(ffff88810f726800) [ 227.743975][ T1810] !!!! IN kill css_get(ffff88810f726800) [ 227.749885][ T1810] !!!! control_disable control_disable ss name cpu [ 227.756499][ T1810] !!!! control_disable control_disable ss name memory [ 227.763264][ T1810] !!!! control_disable control_disable ss name cpu [ 227.770611][ T1810] !!!! control_disable control_disable ss name memory [ 227.777398][ T1810] !!!! control_disable control_disable ss name cpu [ 227.783898][ T1810] !!!! control_disable control_disable ss name memory [ 227.790720][ T1810] !!!! control_disable control_disable ss name cpu [ 227.797240][ T1810] !!!! control_disable control_disable ss name memory [ 227.804006][ T1810] !!!! control_disable control_disable ss name pids [ 227.810606][ T1810] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 227.817138][ T5] !!!! css_release_work_fn(ffff88810f9c5c00) [ 227.823207][ C0] !!!! css_killed_ref_fn enqueue(ffff888121c91400) [ 227.829842][ T5] !!!! css_release_work_fn(ffff88810f9c6000) [ 227.836009][ T5] !!!! css_release_work_fn(ffff88810f9c6400) [ 227.842086][ C0] !!!! css_killed_ref_fn enqueue(ffff888121c90400) [ 227.842111][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f726800) [ 227.842376][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.848699][ T5] !!!! css_killed_work_fn css_put(ffff888121c91400) [ 227.848781][ T5] !!!! css_release enqueue(ffff888121c91400) [ 227.855687][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.862493][ T5] !!!! css_killed_work_fn css_put(ffff888121c90400) [ 227.869609][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.875227][ T5] !!!! css_release enqueue(ffff888121c90400) [ 227.882422][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 227.888858][ T5] !!!! css_killed_work_fn css_put(ffff88810f726800) [ 227.915076][ T5] !!!! css_release enqueue(ffff88810f726800) [ 227.921662][ T1837] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 227.928200][ T1834] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 227.929170][ T1837] !!!! css_create css ffff888121d5dc00 !!!! [ 227.935018][ T372] !!!! css_free_rwork_fn(ffff88810f9c5c00) [ 227.941090][ T1837] !!!! css_create css ffff888121d5e400 !!!! [ 227.952782][ T1837] !!!! css_create css ffff888121d55c00 !!!! [ 227.958744][ T1837] FAULT_INJECTION: forcing a failure. [ 227.958744][ T1837] name failslab, interval 1, probability 0, space 0, times 0 [ 227.971514][ T1837] CPU: 1 PID: 1837 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 227.983219][ T1837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.993338][ T1837] Call Trace: [ 227.996624][ T1837] dump_stack_lvl+0x1e2/0x24b [ 228.001286][ T1837] ? bfq_pos_tree_add_move+0x43e/0x43e [ 228.006723][ T1837] dump_stack+0x15/0x17 [ 228.011129][ T1837] should_fail+0x3c0/0x510 [ 228.015953][ T1837] ? __kernfs_new_node+0x99/0x6e0 [ 228.021069][ T1837] __should_failslab+0x9f/0xe0 [ 228.027728][ T1837] should_failslab+0x9/0x20 [ 228.032215][ T1837] __kmalloc_track_caller+0x5f/0x350 [ 228.037574][ T1837] kstrdup_const+0x55/0x90 [ 228.041974][ T1837] __kernfs_new_node+0x99/0x6e0 [ 228.046800][ T1837] ? stack_trace_save+0x1f0/0x1f0 [ 228.051819][ T1837] ? kernfs_new_node+0x170/0x170 [ 228.056820][ T1837] ? ptr_to_hashval+0x60/0x60 [ 228.061475][ T1837] ? snprintf+0xd6/0x120 [ 228.065694][ T1837] kernfs_new_node+0x97/0x170 [ 228.070446][ T1837] __kernfs_create_file+0x4a/0x270 [ 228.076314][ T1837] cgroup_addrm_files+0xab8/0xfe0 [ 228.081322][ T1837] ? cgroup_apply_control_enable+0x734/0x12e0 [ 228.087490][ T1837] ? cgroup_apply_control+0x93/0x710 [ 228.092844][ T1837] ? cgroup_subtree_control_write+0xd19/0x1310 [ 228.099076][ T1837] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 228.105291][ T1837] ? delete_node+0x759/0x7b0 [ 228.109959][ T1837] ? __kasan_check_read+0x11/0x20 [ 228.115109][ T1837] ? delete_node+0x759/0x7b0 [ 228.119684][ T1837] ? __kasan_check_write+0x14/0x20 [ 228.124988][ T1837] ? __radix_tree_replace+0x246/0x2e0 [ 228.130342][ T1837] ? idr_get_next+0x4b0/0x4b0 [ 228.135003][ T1837] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 228.140005][ T1837] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 228.145277][ T1837] css_populate_dir+0x137/0x370 [ 228.150132][ T1837] cgroup_apply_control_enable+0x629/0x12e0 [ 228.156007][ T1837] cgroup_apply_control+0x93/0x710 [ 228.161097][ T1837] ? css_next_child+0x160/0x160 [ 228.165934][ T1837] ? io_schedule+0x120/0x120 [ 228.170503][ T1837] ? kernfs_fop_write_iter+0x15e/0x410 [ 228.175949][ T1837] ? __kasan_check_write+0x14/0x20 [ 228.181038][ T1837] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 228.186298][ T1837] cgroup_subtree_control_write+0xd19/0x1310 [ 228.192261][ T1837] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 228.198223][ T1837] ? __kasan_check_write+0x14/0x20 [ 228.203306][ T1837] ? _copy_from_iter+0x3fb/0xd60 [ 228.208224][ T1837] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 228.214189][ T1837] cgroup_file_write+0x28e/0x590 [ 228.219101][ T1837] ? cgroup_seqfile_stop+0xc0/0xc0 [ 228.224186][ T1837] ? mutex_lock+0xa6/0x110 [ 228.228583][ T1837] ? mutex_trylock+0xb0/0xb0 [ 228.233163][ T1837] ? __kasan_check_write+0x14/0x20 [ 228.238249][ T1837] kernfs_fop_write_iter+0x2d0/0x410 [ 228.243507][ T1837] ? cgroup_seqfile_stop+0xc0/0xc0 [ 228.248616][ T1837] vfs_write+0xc1c/0xf40 [ 228.252841][ T1837] ? kernel_write+0x3c0/0x3c0 [ 228.257508][ T1837] ? mutex_trylock+0xb0/0xb0 [ 228.262072][ T1837] ? __fdget_pos+0x26d/0x310 [ 228.266633][ T1837] ? ksys_write+0x77/0x2c0 [ 228.271037][ T1837] ksys_write+0x198/0x2c0 [ 228.275519][ T1837] ? __ia32_sys_read+0x90/0x90 [ 228.280255][ T1837] ? debug_smp_processor_id+0x17/0x20 [ 228.285601][ T1837] __x64_sys_write+0x7b/0x90 [ 228.290163][ T1837] do_syscall_64+0x34/0x70 [ 228.294561][ T1837] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 228.300425][ T1837] RIP: 0033:0x7f2fc06ba0e9 [ 228.305856][ T1837] 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 [ 228.325439][ T1837] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 228.333916][ T1837] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 228.341875][ T1837] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 228.349910][ T1837] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 228.357932][ T1837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 228.365898][ T1837] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 228.374276][ T1837] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 228.381370][ T1837] !!!! control_disable control_disable ss name cpu [ 228.387920][ T1837] !!!! control_disable control_disable ss name memory [ 228.394726][ T1837] !!!! control_disable control_disable ss name pids [ 228.401358][ T1837] !!!! control_disable kill_css(ffff888121d5dc00) [ 228.407955][ T1837] !!!! IN kill css_get(ffff888121d5dc00) [ 228.413728][ T1837] !!!! IN kill css_get(ffff888121d5dc00) [ 228.419462][ T1837] !!!! control_disable control_disable ss name cpu [ 228.426026][ T1837] !!!! control_disable control_disable ss name memory [ 228.432828][ T1837] !!!! control_disable control_disable ss name pids [ 228.439520][ T1837] !!!! control_disable kill_css(ffff888121d5e400) [ 228.446109][ T1837] !!!! IN kill css_get(ffff888121d5e400) [ 228.451845][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d5dc00) [ 228.458450][ T1837] !!!! IN kill css_get(ffff888121d5e400) [ 228.464271][ T1837] !!!! control_disable control_disable ss name cpu [ 228.471453][ T1837] !!!! control_disable control_disable ss name memory [ 228.478293][ T1837] !!!! control_disable control_disable ss name pids [ 228.484974][ T1837] !!!! control_disable kill_css(ffff888121d55c00) [ 228.491459][ T1837] !!!! IN kill css_get(ffff888121d55c00) [ 228.497176][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d5e400) [ 228.503826][ T1837] !!!! IN kill css_get(ffff888121d55c00) [ 228.509716][ T1837] !!!! control_disable control_disable ss name cpu [ 228.516238][ T1837] !!!! control_disable control_disable ss name memory [ 228.523088][ T1837] !!!! control_disable control_disable ss name cpu [ 228.529827][ T1837] !!!! control_disable control_disable ss name memory [ 228.536608][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d55c00) [ 228.543234][ T1837] !!!! control_disable control_disable ss name cpu [ 228.549706][ T1837] !!!! control_disable control_disable ss name memory [ 228.556464][ T1837] !!!! control_disable control_disable ss name cpu [ 228.562960][ T1837] !!!! control_disable control_disable ss name memory [ 228.569692][ T1837] !!!! control_disable control_disable ss name pids [ 228.576289][ T1837] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 228.576580][ T5] !!!! css_release_work_fn(ffff888121c91400) [ 228.589035][ T19] !!!! css_killed_work_fn css_put(ffff888121d5dc00) [ 228.590185][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 228.599315][ T19] !!!! css_release enqueue(ffff888121d5dc00) [ 228.603108][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 228.608859][ T19] !!!! css_killed_work_fn css_put(ffff888121d5e400) [ 228.617408][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 228.623539][ T19] !!!! css_release enqueue(ffff888121d5e400) [ 228.631024][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 228.643477][ T5] !!!! css_release_work_fn(ffff888121c90400) [ 228.649665][ T19] !!!! css_killed_work_fn css_put(ffff888121d55c00) [ 228.650636][ T5] !!!! css_free_rwork_fn(ffff88810f9c6000) [ 228.656486][ T19] !!!! css_release enqueue(ffff888121d55c00) [ 228.664185][ T5] !!!! css_free_rwork_fn(ffff88810f9c6400) [ 228.668495][ T19] !!!! css_release_work_fn(ffff888121d5dc00) [ 228.681426][ T1839] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 228.681832][ T1827] !!!! css_create css ffff888121d0a400 !!!! [ 228.693947][ T1827] !!!! css_create css ffff888121d08c00 !!!! [ 228.699849][ T1827] !!!! css_create css ffff888121d0ac00 !!!! [ 228.705847][ T1827] FAULT_INJECTION: forcing a failure. [ 228.705847][ T1827] name failslab, interval 1, probability 0, space 0, times 0 [ 228.718491][ T1827] CPU: 1 PID: 1827 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 228.730088][ T1827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.740120][ T1827] Call Trace: [ 228.743397][ T1827] dump_stack_lvl+0x1e2/0x24b [ 228.748066][ T1827] ? bfq_pos_tree_add_move+0x43e/0x43e [ 228.753526][ T1827] ? find_next_bit+0xd6/0x120 [ 228.758189][ T1827] ? cpumask_next+0x11/0x30 [ 228.762763][ T1827] dump_stack+0x15/0x17 [ 228.766914][ T1827] should_fail+0x3c0/0x510 [ 228.771307][ T1827] ? percpu_ref_init+0xd0/0x330 [ 228.776143][ T1827] __should_failslab+0x9f/0xe0 [ 228.780914][ T1827] should_failslab+0x9/0x20 [ 228.785512][ T1827] kmem_cache_alloc_trace+0x3a/0x330 [ 228.790775][ T1827] percpu_ref_init+0xd0/0x330 [ 228.795432][ T1827] ? cgroup_setup_root+0xea0/0xea0 [ 228.800547][ T1827] cgroup_apply_control_enable+0x734/0x12e0 [ 228.806431][ T1827] cgroup_apply_control+0x93/0x710 [ 228.811532][ T1827] ? css_next_child+0x160/0x160 [ 228.816447][ T1827] ? io_schedule+0x120/0x120 [ 228.821017][ T1827] ? kernfs_fop_write_iter+0x15e/0x410 [ 228.826455][ T1827] ? __kasan_check_write+0x14/0x20 [ 228.831539][ T1827] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 228.836798][ T1827] cgroup_subtree_control_write+0xd19/0x1310 [ 228.842805][ T1827] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 228.848766][ T1827] ? __kasan_check_write+0x14/0x20 [ 228.853938][ T1827] ? _copy_from_iter+0x3fb/0xd60 [ 228.858850][ T1827] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 228.864813][ T1827] cgroup_file_write+0x28e/0x590 [ 228.869727][ T1827] ? cgroup_seqfile_stop+0xc0/0xc0 [ 228.874809][ T1827] ? mutex_lock+0xa6/0x110 [ 228.879196][ T1827] ? mutex_trylock+0xb0/0xb0 [ 228.883796][ T1827] ? __kasan_check_write+0x14/0x20 [ 228.888889][ T1827] kernfs_fop_write_iter+0x2d0/0x410 [ 228.894241][ T1827] ? cgroup_seqfile_stop+0xc0/0xc0 [ 228.899328][ T1827] vfs_write+0xc1c/0xf40 [ 228.903550][ T1827] ? kernel_write+0x3c0/0x3c0 [ 228.908203][ T1827] ? mutex_trylock+0xb0/0xb0 [ 228.912771][ T1827] ? __fdget_pos+0x26d/0x310 [ 228.917347][ T1827] ? ksys_write+0x77/0x2c0 [ 228.921738][ T1827] ksys_write+0x198/0x2c0 [ 228.926044][ T1827] ? __ia32_sys_read+0x90/0x90 [ 228.930815][ T1827] ? debug_smp_processor_id+0x17/0x20 [ 228.936161][ T1827] __x64_sys_write+0x7b/0x90 [ 228.940730][ T1827] do_syscall_64+0x34/0x70 [ 228.945123][ T1827] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 228.951011][ T1827] RIP: 0033:0x7f75104510e9 [ 228.955489][ T1827] 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 [ 228.975075][ T1827] RSP: 002b:00007f75103c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 228.983462][ T1827] RAX: ffffffffffffffda RBX: 00007f7510563f60 RCX: 00007f75104510e9 [ 228.991428][ T1827] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 228.999376][ T1827] RBP: 00007f75103c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 229.007584][ T1827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 229.015567][ T1827] R13: 00007ffd3f2651cf R14: 00007f75103c7300 R15: 0000000000022000 [ 229.024158][ T1827] !!!! css_create rcu_enqueue(ffff888121d0ac00) !!!! [ 229.030965][ T1827] !!!! control_disable control_disable ss name cpu [ 229.037545][ T1827] !!!! control_disable control_disable ss name memory [ 229.044387][ T1827] !!!! control_disable control_disable ss name pids [ 229.050991][ T1827] !!!! control_disable kill_css(ffff888121d0a400) [ 229.057706][ T1827] !!!! IN kill css_get(ffff888121d0a400) [ 229.063525][ T1827] !!!! IN kill css_get(ffff888121d0a400) [ 229.069284][ T1827] !!!! control_disable control_disable ss name cpu [ 229.075967][ T1827] !!!! control_disable control_disable ss name memory [ 229.082792][ T1827] !!!! control_disable control_disable ss name pids [ 229.089412][ T1827] !!!! control_disable kill_css(ffff888121d08c00) [ 229.096408][ T1827] !!!! IN kill css_get(ffff888121d08c00) [ 229.101652][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d0a400) [ 229.102338][ T1827] !!!! IN kill css_get(ffff888121d08c00) [ 229.114473][ T1827] !!!! control_disable control_disable ss name cpu [ 229.120951][ T1827] !!!! control_disable control_disable ss name memory [ 229.127741][ T1827] !!!! control_disable control_disable ss name cpu [ 229.134260][ T1827] !!!! control_disable control_disable ss name memory [ 229.140995][ T1827] !!!! control_disable control_disable ss name cpu [ 229.147510][ T1827] !!!! control_disable control_disable ss name memory [ 229.154294][ T1827] !!!! control_disable control_disable ss name cpu [ 229.160786][ T1827] !!!! control_disable control_disable ss name memory [ 229.167554][ T1827] !!!! control_disable control_disable ss name cpu [ 229.174063][ C0] !!!! css_killed_ref_fn enqueue(ffff888121d08c00) [ 229.180648][ T1827] !!!! control_disable control_disable ss name memory [ 229.187403][ T1827] !!!! control_disable control_disable ss name pids [ 229.194014][ T1827] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 229.200504][ T5] !!!! css_release_work_fn(ffff88810f726800) [ 229.206678][ T19] !!!! css_release_work_fn(ffff888121d5e400) [ 229.206701][ T34] !!!! css_free_rwork_fn(ffff888121c91400) [ 229.213112][ T378] !!!! css_release_work_fn(ffff888121d55c00) [ 229.218736][ T5] !!!! css_free_rwork_fn(ffff888121c90400) [ 229.225417][ T378] !!!! css_free_rwork_fn(ffff888121d5dc00) [ 229.230717][ T34] !!!! css_free_rwork_fn(ffff888121d0ac00) [ 229.237529][ T19] !!!! css_killed_work_fn css_put(ffff888121d0a400) [ 229.249965][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.256955][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.263894][ T19] !!!! css_release enqueue(ffff888121d0a400) [ 229.264690][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.269963][ T19] !!!! css_free_rwork_fn(ffff888121d5e400) [ 229.269977][ T19] !!!! css_release_work_fn(ffff888121d0a400) [ 229.277734][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.282946][ T19] !!!! css_free_rwork_fn(ffff888121d55c00) [ 229.289065][ T34] !!!! css_killed_work_fn css_put(ffff888121d08c00) [ 229.308511][ T34] !!!! css_release enqueue(ffff888121d08c00) [ 229.314756][ T34] !!!! css_free_rwork_fn(ffff88810f726800) [ 229.314787][ T1839] !!!! css_create css ffff88810f9fec00 !!!! [ 229.326594][ T19] !!!! css_free_rwork_fn(ffff888121d0a400) [ 229.327437][ T1839] !!!! css_create css ffff88810f5b6000 !!!! [ 229.338590][ T1839] !!!! css_create css ffff88810f5b7800 !!!! [ 229.344616][ T1839] FAULT_INJECTION: forcing a failure. [ 229.344616][ T1839] name failslab, interval 1, probability 0, space 0, times 0 [ 229.357387][ T1839] CPU: 0 PID: 1839 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 229.369593][ T1839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.379625][ T1839] Call Trace: [ 229.382897][ T1839] dump_stack_lvl+0x1e2/0x24b [ 229.387547][ T1839] ? bfq_pos_tree_add_move+0x43e/0x43e [ 229.393093][ T1839] dump_stack+0x15/0x17 [ 229.397223][ T1839] should_fail+0x3c0/0x510 [ 229.401614][ T1839] ? __kernfs_new_node+0x99/0x6e0 [ 229.406615][ T1839] __should_failslab+0x9f/0xe0 [ 229.411350][ T1839] should_failslab+0x9/0x20 [ 229.415829][ T1839] __kmalloc_track_caller+0x5f/0x350 [ 229.421086][ T1839] kstrdup_const+0x55/0x90 [ 229.425471][ T1839] __kernfs_new_node+0x99/0x6e0 [ 229.430292][ T1839] ? stack_trace_save+0x1f0/0x1f0 [ 229.435286][ T1839] ? kernfs_new_node+0x170/0x170 [ 229.440196][ T1839] ? ptr_to_hashval+0x60/0x60 [ 229.444848][ T1839] ? snprintf+0xd6/0x120 [ 229.449061][ T1839] kernfs_new_node+0x97/0x170 [ 229.453715][ T1839] __kernfs_create_file+0x4a/0x270 [ 229.458811][ T1839] cgroup_addrm_files+0xab8/0xfe0 [ 229.463813][ T1839] ? cgroup_apply_control_enable+0x734/0x12e0 [ 229.469864][ T1839] ? cgroup_apply_control+0x93/0x710 [ 229.475118][ T1839] ? cgroup_subtree_control_write+0xd19/0x1310 [ 229.481240][ T1839] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 229.487365][ T1839] ? delete_node+0x759/0x7b0 [ 229.491942][ T1839] ? __kasan_check_read+0x11/0x20 [ 229.496937][ T1839] ? delete_node+0x759/0x7b0 [ 229.501496][ T1839] ? __kasan_check_write+0x14/0x20 [ 229.506589][ T1839] ? __radix_tree_replace+0x246/0x2e0 [ 229.511944][ T1839] ? idr_get_next+0x4b0/0x4b0 [ 229.516590][ T1839] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 229.521583][ T1839] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 229.526750][ T1839] css_populate_dir+0x137/0x370 [ 229.531578][ T1839] cgroup_apply_control_enable+0x629/0x12e0 [ 229.537441][ T1839] cgroup_apply_control+0x93/0x710 [ 229.542540][ T1839] ? css_next_child+0x160/0x160 [ 229.547366][ T1839] ? io_schedule+0x120/0x120 [ 229.551931][ T1839] ? kernfs_fop_write_iter+0x15e/0x410 [ 229.557536][ T1839] ? __kasan_check_write+0x14/0x20 [ 229.562728][ T1839] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 229.568086][ T1839] cgroup_subtree_control_write+0xd19/0x1310 [ 229.574158][ T1839] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 229.580132][ T1839] ? __kasan_check_write+0x14/0x20 [ 229.585225][ T1839] ? _copy_from_iter+0x3fb/0xd60 [ 229.590136][ T1839] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 229.596108][ T1839] cgroup_file_write+0x28e/0x590 [ 229.601035][ T1839] ? cgroup_seqfile_stop+0xc0/0xc0 [ 229.606122][ T1839] ? mutex_lock+0xa6/0x110 [ 229.610522][ T1839] ? mutex_trylock+0xb0/0xb0 [ 229.615089][ T1839] ? __kasan_check_write+0x14/0x20 [ 229.620197][ T1839] kernfs_fop_write_iter+0x2d0/0x410 [ 229.625460][ T1839] ? cgroup_seqfile_stop+0xc0/0xc0 [ 229.630548][ T1839] vfs_write+0xc1c/0xf40 [ 229.634786][ T1839] ? kernel_write+0x3c0/0x3c0 [ 229.639470][ T1839] ? mutex_trylock+0xb0/0xb0 [ 229.644053][ T1839] ? __fdget_pos+0x26d/0x310 [ 229.648645][ T1839] ? ksys_write+0x77/0x2c0 [ 229.653136][ T1839] ksys_write+0x198/0x2c0 [ 229.657446][ T1839] ? __ia32_sys_read+0x90/0x90 [ 229.662190][ T1839] ? debug_smp_processor_id+0x17/0x20 [ 229.667647][ T1839] __x64_sys_write+0x7b/0x90 [ 229.672219][ T1839] do_syscall_64+0x34/0x70 [ 229.676624][ T1839] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 229.682496][ T1839] RIP: 0033:0x7f2fc06ba0e9 [ 229.686984][ T1839] 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 [ 229.706573][ T1839] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 229.715060][ T1839] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 229.723012][ T1839] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 229.730961][ T1839] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 229.738908][ T1839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 229.747114][ T1839] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 229.755196][ T1839] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 229.762328][ T1839] !!!! control_disable control_disable ss name cpu [ 229.768867][ T1839] !!!! control_disable control_disable ss name memory [ 229.775698][ T1839] !!!! control_disable control_disable ss name pids [ 229.782343][ T1839] !!!! control_disable kill_css(ffff88810f9fec00) [ 229.788902][ T1839] !!!! IN kill css_get(ffff88810f9fec00) [ 229.794656][ T1839] !!!! IN kill css_get(ffff88810f9fec00) [ 229.800394][ T1839] !!!! control_disable control_disable ss name cpu [ 229.806926][ T1839] !!!! control_disable control_disable ss name memory [ 229.813710][ T1839] !!!! control_disable control_disable ss name pids [ 229.820308][ T1839] !!!! control_disable kill_css(ffff88810f5b6000) [ 229.826893][ T1839] !!!! IN kill css_get(ffff88810f5b6000) [ 229.832673][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f9fec00) [ 229.839302][ T1839] !!!! IN kill css_get(ffff88810f5b6000) [ 229.845086][ T1839] !!!! control_disable control_disable ss name cpu [ 229.851570][ T1839] !!!! control_disable control_disable ss name memory [ 229.858347][ T1839] !!!! control_disable control_disable ss name pids [ 229.864951][ T1839] !!!! control_disable kill_css(ffff88810f5b7800) [ 229.871421][ T1839] !!!! IN kill css_get(ffff88810f5b7800) [ 229.877161][ T1839] !!!! IN kill css_get(ffff88810f5b7800) [ 229.882894][ T1839] !!!! control_disable control_disable ss name cpu [ 229.889365][ T1839] !!!! control_disable control_disable ss name memory [ 229.896142][ T1839] !!!! control_disable control_disable ss name cpu [ 229.902657][ T1839] !!!! control_disable control_disable ss name memory [ 229.909390][ T1839] !!!! control_disable control_disable ss name cpu [ 229.915893][ T1839] !!!! control_disable control_disable ss name memory [ 229.924419][ T1839] !!!! control_disable control_disable ss name cpu 2022/06/08 04:03:41 executed programs: 497 [ 229.930913][ T1839] !!!! control_disable control_disable ss name memory [ 229.937763][ T1839] !!!! control_disable control_disable ss name pids [ 229.944357][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5b6000) [ 229.951030][ T34] !!!! css_release_work_fn(ffff888121d08c00) [ 229.951088][ T1839] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 229.963687][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5b7800) [ 229.970315][ T19] !!!! css_killed_work_fn css_put(ffff88810f9fec00) [ 229.975164][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.977184][ T19] !!!! css_release enqueue(ffff88810f9fec00) [ 229.984440][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 229.990003][ T19] !!!! css_killed_work_fn css_put(ffff88810f5b6000) [ 229.997043][ T34] !!!! css_free_rwork_fn(ffff888121d08c00) [ 230.004284][ T19] !!!! css_release enqueue(ffff88810f5b6000) [ 230.010933][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.017305][ T378] !!!! css_killed_work_fn css_put(ffff88810f5b7800) [ 230.029544][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.030880][ T378] !!!! css_release enqueue(ffff88810f5b7800) [ 230.038594][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.043915][ T1832] !!!! css_create css ffff88810f9ffc00 !!!! [ 230.051108][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.057027][ T1832] !!!! css_create css ffff88810f97d400 !!!! [ 230.064064][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.069590][ T1832] !!!! css_create css ffff88810f97d000 !!!! [ 230.077225][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.082868][ T1832] FAULT_INJECTION: forcing a failure. [ 230.082868][ T1832] name failslab, interval 1, probability 0, space 0, times 0 [ 230.102327][ T1832] CPU: 1 PID: 1832 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 230.114025][ T1832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.124515][ T1832] Call Trace: [ 230.127821][ T1832] dump_stack_lvl+0x1e2/0x24b [ 230.132485][ T1832] ? bfq_pos_tree_add_move+0x43e/0x43e [ 230.137924][ T1832] dump_stack+0x15/0x17 [ 230.142057][ T1832] should_fail+0x3c0/0x510 [ 230.146454][ T1832] ? __kernfs_new_node+0x99/0x6e0 [ 230.151458][ T1832] __should_failslab+0x9f/0xe0 [ 230.156301][ T1832] should_failslab+0x9/0x20 [ 230.160782][ T1832] __kmalloc_track_caller+0x5f/0x350 [ 230.166044][ T1832] kstrdup_const+0x55/0x90 [ 230.170435][ T1832] __kernfs_new_node+0x99/0x6e0 [ 230.175259][ T1832] ? stack_trace_save+0x1f0/0x1f0 [ 230.180256][ T1832] ? kernfs_new_node+0x170/0x170 [ 230.185175][ T1832] ? ptr_to_hashval+0x60/0x60 [ 230.189827][ T1832] ? snprintf+0xd6/0x120 [ 230.194048][ T1832] kernfs_new_node+0x97/0x170 [ 230.198704][ T1832] __kernfs_create_file+0x4a/0x270 [ 230.203879][ T1832] cgroup_addrm_files+0xab8/0xfe0 [ 230.208879][ T1832] ? cgroup_apply_control_enable+0x734/0x12e0 [ 230.214935][ T1832] ? cgroup_apply_control+0x93/0x710 [ 230.220278][ T1832] ? cgroup_subtree_control_write+0xd19/0x1310 [ 230.226410][ T1832] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 230.232540][ T1832] ? delete_node+0x759/0x7b0 [ 230.237103][ T1832] ? __kasan_check_read+0x11/0x20 [ 230.242108][ T1832] ? delete_node+0x759/0x7b0 [ 230.246681][ T1832] ? __kasan_check_write+0x14/0x20 [ 230.251778][ T1832] ? __radix_tree_replace+0x246/0x2e0 [ 230.257136][ T1832] ? idr_get_next+0x4b0/0x4b0 [ 230.261792][ T1832] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 230.266803][ T1832] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 230.271981][ T1832] css_populate_dir+0x137/0x370 [ 230.276811][ T1832] cgroup_apply_control_enable+0x629/0x12e0 [ 230.282731][ T1832] cgroup_apply_control+0x93/0x710 [ 230.287907][ T1832] ? css_next_child+0x160/0x160 [ 230.292734][ T1832] ? io_schedule+0x120/0x120 [ 230.297381][ T1832] ? kernfs_fop_write_iter+0x15e/0x410 [ 230.302822][ T1832] ? __kasan_check_write+0x14/0x20 [ 230.307904][ T1832] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 230.313161][ T1832] cgroup_subtree_control_write+0xd19/0x1310 [ 230.319110][ T1832] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 230.325159][ T1832] ? __kasan_check_write+0x14/0x20 [ 230.330263][ T1832] ? _copy_from_iter+0x3fb/0xd60 [ 230.335182][ T1832] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 230.341136][ T1832] cgroup_file_write+0x28e/0x590 [ 230.346053][ T1832] ? cgroup_seqfile_stop+0xc0/0xc0 [ 230.351149][ T1832] ? mutex_lock+0xa6/0x110 [ 230.355553][ T1832] ? mutex_trylock+0xb0/0xb0 [ 230.360115][ T1832] ? __kasan_check_write+0x14/0x20 [ 230.365198][ T1832] kernfs_fop_write_iter+0x2d0/0x410 [ 230.370453][ T1832] ? cgroup_seqfile_stop+0xc0/0xc0 [ 230.375537][ T1832] vfs_write+0xc1c/0xf40 [ 230.379748][ T1832] ? kernel_write+0x3c0/0x3c0 [ 230.384407][ T1832] ? mutex_trylock+0xb0/0xb0 [ 230.388970][ T1832] ? __fdget_pos+0x26d/0x310 [ 230.393526][ T1832] ? ksys_write+0x77/0x2c0 [ 230.397916][ T1832] ksys_write+0x198/0x2c0 [ 230.402223][ T1832] ? __ia32_sys_read+0x90/0x90 [ 230.406957][ T1832] ? debug_smp_processor_id+0x17/0x20 [ 230.412306][ T1832] __x64_sys_write+0x7b/0x90 [ 230.416866][ T1832] do_syscall_64+0x34/0x70 [ 230.421250][ T1832] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 230.427118][ T1832] RIP: 0033:0x7fccade130e9 [ 230.431505][ T1832] 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 [ 230.451090][ T1832] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 230.459476][ T1832] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 230.467420][ T1832] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 230.475361][ T1832] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 230.483303][ T1832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 230.491331][ T1832] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 230.499355][ T1832] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 230.506479][ T1832] !!!! control_disable control_disable ss name cpu [ 230.513053][ T1832] !!!! control_disable control_disable ss name memory [ 230.519805][ T1832] !!!! control_disable control_disable ss name pids [ 230.526485][ T1832] !!!! control_disable kill_css(ffff88810f9ffc00) [ 230.533132][ T1832] !!!! IN kill css_get(ffff88810f9ffc00) [ 230.538835][ T1832] !!!! IN kill css_get(ffff88810f9ffc00) [ 230.544558][ T1832] !!!! control_disable control_disable ss name cpu [ 230.551037][ T1832] !!!! control_disable control_disable ss name memory [ 230.557813][ T1832] !!!! control_disable control_disable ss name pids [ 230.564402][ T1832] !!!! control_disable kill_css(ffff88810f97d400) [ 230.571002][ T1832] !!!! IN kill css_get(ffff88810f97d400) [ 230.576758][ T1832] !!!! IN kill css_get(ffff88810f97d400) [ 230.582497][ T1832] !!!! control_disable control_disable ss name cpu [ 230.588975][ T1832] !!!! control_disable control_disable ss name memory [ 230.595812][ T1832] !!!! control_disable control_disable ss name pids [ 230.602468][ T1832] !!!! control_disable kill_css(ffff88810f97d000) [ 230.608960][ T1832] !!!! IN kill css_get(ffff88810f97d000) [ 230.614694][ T1832] !!!! IN kill css_get(ffff88810f97d000) [ 230.620410][ T1832] !!!! control_disable control_disable ss name cpu [ 230.626932][ T1832] !!!! control_disable control_disable ss name memory [ 230.633775][ T1832] !!!! control_disable control_disable ss name cpu [ 230.640255][ T1832] !!!! control_disable control_disable ss name memory [ 230.647062][ T1832] !!!! control_disable control_disable ss name cpu [ 230.653606][ T1832] !!!! control_disable control_disable ss name memory [ 230.660357][ T1832] !!!! control_disable control_disable ss name cpu [ 230.667097][ T1832] !!!! control_disable control_disable ss name memory [ 230.671671][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f9ffc00) [ 230.673881][ T1832] !!!! control_disable control_disable ss name pids [ 230.681661][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f97d400) [ 230.687149][ T1832] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 230.693782][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f97d000) [ 230.701154][ T19] !!!! css_release_work_fn(ffff88810f9fec00) [ 230.713112][ T19] !!!! css_release_work_fn(ffff88810f5b6000) [ 230.719326][ T34] !!!! css_killed_work_fn css_put(ffff88810f9ffc00) [ 230.719383][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.726463][ T34] !!!! css_release enqueue(ffff88810f9ffc00) [ 230.733280][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.739234][ T34] !!!! css_killed_work_fn css_put(ffff88810f97d400) [ 230.746594][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.752922][ T34] !!!! css_release enqueue(ffff88810f97d400) [ 230.759921][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 230.772503][ T19] !!!! css_release_work_fn(ffff88810f5b7800) [ 230.778794][ T19] !!!! css_free_rwork_fn(ffff88810f9fec00) [ 230.778809][ T34] !!!! css_killed_work_fn css_put(ffff88810f97d000) [ 230.784824][ T19] !!!! css_free_rwork_fn(ffff88810f5b6000) [ 230.791730][ T34] !!!! css_release enqueue(ffff88810f97d000) [ 230.803703][ T1835] !!!! css_create css ffff8881131d6c00 !!!! [ 230.809777][ T1835] !!!! css_create css ffff8881131d7400 !!!! [ 230.815773][ T19] !!!! css_free_rwork_fn(ffff88810f5b7800) [ 230.815777][ T1835] !!!! css_create css ffff88810fd0e400 !!!! [ 230.815801][ T1835] FAULT_INJECTION: forcing a failure. [ 230.815801][ T1835] name failslab, interval 1, probability 0, space 0, times 0 [ 230.840543][ T1835] CPU: 0 PID: 1835 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 230.852375][ T1835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.862444][ T1835] Call Trace: [ 230.865721][ T1835] dump_stack_lvl+0x1e2/0x24b [ 230.870391][ T1835] ? bfq_pos_tree_add_move+0x43e/0x43e [ 230.875926][ T1835] ? prb_reserve+0x1125/0x1430 [ 230.880688][ T1835] dump_stack+0x15/0x17 [ 230.884826][ T1835] should_fail+0x3c0/0x510 [ 230.889223][ T1835] ? __kernfs_new_node+0x99/0x6e0 [ 230.894490][ T1835] __should_failslab+0x9f/0xe0 [ 230.899242][ T1835] should_failslab+0x9/0x20 [ 230.903823][ T1835] __kmalloc_track_caller+0x5f/0x350 [ 230.909099][ T1835] kstrdup_const+0x55/0x90 [ 230.913517][ T1835] __kernfs_new_node+0x99/0x6e0 [ 230.918471][ T1835] ? stack_trace_save+0x1f0/0x1f0 [ 230.923494][ T1835] ? kernfs_new_node+0x170/0x170 [ 230.928430][ T1835] ? ptr_to_hashval+0x60/0x60 [ 230.933086][ T1835] ? snprintf+0xd6/0x120 [ 230.937327][ T1835] kernfs_new_node+0x97/0x170 [ 230.941981][ T1835] __kernfs_create_file+0x4a/0x270 [ 230.947090][ T1835] cgroup_addrm_files+0xab8/0xfe0 [ 230.952112][ T1835] ? cgroup_apply_control_enable+0x734/0x12e0 [ 230.958171][ T1835] ? cgroup_apply_control+0x93/0x710 [ 230.963619][ T1835] ? cgroup_subtree_control_write+0xd19/0x1310 [ 230.969758][ T1835] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 230.975880][ T1835] ? delete_node+0x759/0x7b0 [ 230.980445][ T1835] ? __kasan_check_read+0x11/0x20 [ 230.985439][ T1835] ? delete_node+0x759/0x7b0 [ 230.990004][ T1835] ? __kasan_check_write+0x14/0x20 [ 230.995084][ T1835] ? __radix_tree_replace+0x246/0x2e0 [ 231.000426][ T1835] ? idr_get_next+0x4b0/0x4b0 [ 231.005087][ T1835] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 231.010193][ T1835] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 231.015372][ T1835] css_populate_dir+0x137/0x370 [ 231.020214][ T1835] cgroup_apply_control_enable+0x629/0x12e0 [ 231.026105][ T1835] cgroup_apply_control+0x93/0x710 [ 231.031196][ T1835] ? css_next_child+0x160/0x160 [ 231.036026][ T1835] ? dequeue_task_fair+0x7ad/0xb50 [ 231.041207][ T1835] ? io_schedule+0x120/0x120 [ 231.045772][ T1835] ? kernfs_fop_write_iter+0x15e/0x410 [ 231.051215][ T1835] ? __kasan_check_write+0x14/0x20 [ 231.056307][ T1835] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 231.061565][ T1835] cgroup_subtree_control_write+0xd19/0x1310 [ 231.067515][ T1835] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 231.073475][ T1835] ? __kasan_check_write+0x14/0x20 [ 231.078573][ T1835] ? _copy_from_iter+0x3fb/0xd60 [ 231.083482][ T1835] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 231.089437][ T1835] cgroup_file_write+0x28e/0x590 [ 231.094343][ T1835] ? cgroup_seqfile_stop+0xc0/0xc0 [ 231.099423][ T1835] ? mutex_lock+0xa6/0x110 [ 231.103814][ T1835] ? mutex_trylock+0xb0/0xb0 [ 231.108660][ T1835] ? __kasan_check_write+0x14/0x20 [ 231.114523][ T1835] kernfs_fop_write_iter+0x2d0/0x410 [ 231.119790][ T1835] ? cgroup_seqfile_stop+0xc0/0xc0 [ 231.124881][ T1835] vfs_write+0xc1c/0xf40 [ 231.129096][ T1835] ? kernel_write+0x3c0/0x3c0 [ 231.133746][ T1835] ? mutex_trylock+0xb0/0xb0 [ 231.139098][ T1835] ? __fdget_pos+0x26d/0x310 [ 231.143744][ T1835] ? ksys_write+0x77/0x2c0 [ 231.148130][ T1835] ksys_write+0x198/0x2c0 [ 231.152435][ T1835] ? __ia32_sys_read+0x90/0x90 [ 231.157169][ T1835] ? debug_smp_processor_id+0x17/0x20 [ 231.162510][ T1835] __x64_sys_write+0x7b/0x90 [ 231.167071][ T1835] do_syscall_64+0x34/0x70 [ 231.171460][ T1835] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 231.177418][ T1835] RIP: 0033:0x7f5d5b96a0e9 [ 231.181817][ T1835] 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 [ 231.201486][ T1835] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 231.209890][ T1835] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 231.217837][ T1835] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 231.225785][ T1835] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 231.233731][ T1835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 231.241695][ T1835] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 231.250412][ T1835] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 231.257511][ T1835] !!!! control_disable control_disable ss name cpu [ 231.264093][ T1835] !!!! control_disable control_disable ss name memory [ 231.270916][ T1835] !!!! control_disable control_disable ss name pids [ 231.277569][ T1835] !!!! control_disable kill_css(ffff8881131d6c00) [ 231.284119][ T1835] !!!! IN kill css_get(ffff8881131d6c00) [ 231.289842][ T1835] !!!! IN kill css_get(ffff8881131d6c00) [ 231.295581][ T1835] !!!! control_disable control_disable ss name cpu [ 231.302100][ T1835] !!!! control_disable control_disable ss name memory [ 231.308837][ T1835] !!!! control_disable control_disable ss name pids [ 231.315419][ T1835] !!!! control_disable kill_css(ffff8881131d7400) [ 231.321950][ T1835] !!!! IN kill css_get(ffff8881131d7400) [ 231.327675][ T1835] !!!! IN kill css_get(ffff8881131d7400) [ 231.333441][ T1835] !!!! control_disable control_disable ss name cpu [ 231.339948][ T1835] !!!! control_disable control_disable ss name memory [ 231.346725][ T1835] !!!! control_disable control_disable ss name pids [ 231.353314][ T1835] !!!! control_disable kill_css(ffff88810fd0e400) [ 231.359782][ T1835] !!!! IN kill css_get(ffff88810fd0e400) [ 231.365535][ T1835] !!!! IN kill css_get(ffff88810fd0e400) [ 231.371254][ T1835] !!!! control_disable control_disable ss name cpu [ 231.377759][ T1835] !!!! control_disable control_disable ss name memory [ 231.384527][ T1835] !!!! control_disable control_disable ss name cpu [ 231.390997][ T1835] !!!! control_disable control_disable ss name memory [ 231.397749][ T1835] !!!! control_disable control_disable ss name cpu [ 231.404249][ T1835] !!!! control_disable control_disable ss name memory [ 231.411510][ T1835] !!!! control_disable control_disable ss name cpu [ 231.418017][ T1835] !!!! control_disable control_disable ss name memory [ 231.424780][ T1835] !!!! control_disable control_disable ss name pids [ 231.431355][ T1835] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 231.437866][ T34] !!!! css_release_work_fn(ffff88810f9ffc00) [ 231.443958][ T34] !!!! css_release_work_fn(ffff88810f97d400) [ 231.450036][ T34] !!!! css_release_work_fn(ffff88810f97d000) [ 231.451225][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 231.456123][ C0] !!!! css_killed_ref_fn enqueue(ffff8881131d6c00) [ 231.463422][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 231.473478][ T34] !!!! css_killed_work_fn css_put(ffff8881131d6c00) [ 231.476950][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 231.483142][ C0] !!!! css_killed_ref_fn enqueue(ffff8881131d7400) [ 231.490688][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 231.496663][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd0e400) [ 231.510183][ T34] !!!! css_release enqueue(ffff8881131d6c00) [ 231.516448][ T34] !!!! css_killed_work_fn css_put(ffff8881131d7400) [ 231.523241][ T34] !!!! css_release enqueue(ffff8881131d7400) [ 231.529358][ T34] !!!! css_killed_work_fn css_put(ffff88810fd0e400) [ 231.536049][ T34] !!!! css_release enqueue(ffff88810fd0e400) [ 231.542237][ T34] !!!! css_free_rwork_fn(ffff88810f9ffc00) [ 231.542262][ T1822] !!!! css_create css ffff88810ff52000 !!!! [ 231.548113][ T34] !!!! css_free_rwork_fn(ffff88810f97d400) [ 231.554267][ T1822] !!!! css_create css ffff88810ff50800 !!!! [ 231.565818][ T1822] !!!! css_create css ffff88810ff53400 !!!! [ 231.571845][ T1822] FAULT_INJECTION: forcing a failure. [ 231.571845][ T1822] name failslab, interval 1, probability 0, space 0, times 0 [ 231.584507][ T1822] CPU: 1 PID: 1822 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 231.596152][ T1822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.606467][ T1822] Call Trace: [ 231.609753][ T1822] dump_stack_lvl+0x1e2/0x24b [ 231.614405][ T1822] ? bfq_pos_tree_add_move+0x43e/0x43e [ 231.619850][ T1822] dump_stack+0x15/0x17 [ 231.624067][ T1822] should_fail+0x3c0/0x510 [ 231.628454][ T1822] ? __kernfs_new_node+0x99/0x6e0 [ 231.633449][ T1822] __should_failslab+0x9f/0xe0 [ 231.638182][ T1822] should_failslab+0x9/0x20 [ 231.642654][ T1822] __kmalloc_track_caller+0x5f/0x350 [ 231.647921][ T1822] kstrdup_const+0x55/0x90 [ 231.652311][ T1822] __kernfs_new_node+0x99/0x6e0 [ 231.657129][ T1822] ? stack_trace_save+0x1f0/0x1f0 [ 231.662131][ T1822] ? kernfs_new_node+0x170/0x170 [ 231.667033][ T1822] ? ptr_to_hashval+0x60/0x60 [ 231.671688][ T1822] ? snprintf+0xd6/0x120 [ 231.675898][ T1822] kernfs_new_node+0x97/0x170 [ 231.680544][ T1822] __kernfs_create_file+0x4a/0x270 [ 231.685623][ T1822] cgroup_addrm_files+0xab8/0xfe0 [ 231.690618][ T1822] ? cgroup_apply_control_enable+0x734/0x12e0 [ 231.696657][ T1822] ? cgroup_apply_control+0x93/0x710 [ 231.701912][ T1822] ? cgroup_subtree_control_write+0xd19/0x1310 [ 231.708123][ T1822] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 231.714245][ T1822] ? delete_node+0x759/0x7b0 [ 231.718815][ T1822] ? __kasan_check_read+0x11/0x20 [ 231.723980][ T1822] ? delete_node+0x759/0x7b0 [ 231.728539][ T1822] ? __kasan_check_write+0x14/0x20 [ 231.733706][ T1822] ? __radix_tree_replace+0x246/0x2e0 [ 231.739048][ T1822] ? idr_get_next+0x4b0/0x4b0 [ 231.743718][ T1822] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 231.748738][ T1822] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 231.753921][ T1822] css_populate_dir+0x137/0x370 [ 231.758749][ T1822] cgroup_apply_control_enable+0x629/0x12e0 [ 231.764618][ T1822] cgroup_apply_control+0x93/0x710 [ 231.769711][ T1822] ? css_next_child+0x160/0x160 [ 231.774534][ T1822] ? io_schedule+0x120/0x120 [ 231.779101][ T1822] ? kernfs_fop_write_iter+0x15e/0x410 [ 231.784657][ T1822] ? __kasan_check_write+0x14/0x20 [ 231.789761][ T1822] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 231.795026][ T1822] cgroup_subtree_control_write+0xd19/0x1310 [ 231.801421][ T1822] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 231.807490][ T1822] ? __kasan_check_write+0x14/0x20 [ 231.812580][ T1822] ? _copy_from_iter+0x3fb/0xd60 [ 231.817508][ T1822] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 231.823484][ T1822] cgroup_file_write+0x28e/0x590 [ 231.830490][ T1822] ? cgroup_seqfile_stop+0xc0/0xc0 [ 231.835603][ T1822] ? mutex_lock+0xa6/0x110 [ 231.839997][ T1822] ? mutex_trylock+0xb0/0xb0 [ 231.844556][ T1822] ? __kasan_check_write+0x14/0x20 [ 231.849643][ T1822] kernfs_fop_write_iter+0x2d0/0x410 [ 231.854909][ T1822] ? cgroup_seqfile_stop+0xc0/0xc0 [ 231.860004][ T1822] vfs_write+0xc1c/0xf40 [ 231.864306][ T1822] ? kernel_write+0x3c0/0x3c0 [ 231.868961][ T1822] ? mutex_trylock+0xb0/0xb0 [ 231.873521][ T1822] ? __fdget_pos+0x26d/0x310 [ 231.878078][ T1822] ? ksys_write+0x77/0x2c0 [ 231.882475][ T1822] ksys_write+0x198/0x2c0 [ 231.886775][ T1822] ? __ia32_sys_read+0x90/0x90 [ 231.891509][ T1822] ? debug_smp_processor_id+0x17/0x20 [ 231.896860][ T1822] __x64_sys_write+0x7b/0x90 [ 231.901436][ T1822] do_syscall_64+0x34/0x70 [ 231.905832][ T1822] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 231.911695][ T1822] RIP: 0033:0x7ff3e27b70e9 [ 231.916266][ T1822] 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 [ 231.935841][ T1822] RSP: 002b:00007ff3e272d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 231.944222][ T1822] RAX: ffffffffffffffda RBX: 00007ff3e28c9f60 RCX: 00007ff3e27b70e9 [ 231.952164][ T1822] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 231.960122][ T1822] RBP: 00007ff3e272d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 231.968066][ T1822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 231.976008][ T1822] R13: 00007ffc498a578f R14: 00007ff3e272d300 R15: 0000000000022000 [ 231.984073][ T1822] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 231.991081][ T1822] !!!! control_disable control_disable ss name cpu [ 231.997573][ T1822] !!!! control_disable control_disable ss name memory [ 232.004365][ T1822] !!!! control_disable control_disable ss name pids [ 232.010928][ T1822] !!!! control_disable kill_css(ffff88810ff52000) [ 232.017531][ T1822] !!!! IN kill css_get(ffff88810ff52000) [ 232.023330][ T1822] !!!! IN kill css_get(ffff88810ff52000) [ 232.029049][ T1822] !!!! control_disable control_disable ss name cpu [ 232.035912][ T1822] !!!! control_disable control_disable ss name memory [ 232.042741][ T1822] !!!! control_disable control_disable ss name pids [ 232.049618][ T1822] !!!! control_disable kill_css(ffff88810ff50800) [ 232.056374][ T1822] !!!! IN kill css_get(ffff88810ff50800) [ 232.062155][ T1822] !!!! IN kill css_get(ffff88810ff50800) [ 232.062181][ C0] !!!! css_killed_ref_fn enqueue(ffff88810ff52000) [ 232.067878][ T1822] !!!! control_disable control_disable ss name cpu [ 232.081088][ T1822] !!!! control_disable control_disable ss name memory [ 232.087972][ T1822] !!!! control_disable control_disable ss name pids [ 232.094561][ T1822] !!!! control_disable kill_css(ffff88810ff53400) [ 232.101033][ T1822] !!!! IN kill css_get(ffff88810ff53400) [ 232.106787][ T1822] !!!! IN kill css_get(ffff88810ff53400) [ 232.112813][ T1822] !!!! control_disable control_disable ss name cpu [ 232.119283][ T1822] !!!! control_disable control_disable ss name memory [ 232.126132][ T1822] !!!! control_disable control_disable ss name cpu [ 232.132675][ T1822] !!!! control_disable control_disable ss name memory [ 232.139451][ T1822] !!!! control_disable control_disable ss name cpu [ 232.145997][ T1822] !!!! control_disable control_disable ss name memory [ 232.152773][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ff50800) [ 232.159467][ T1822] !!!! control_disable control_disable ss name cpu [ 232.166074][ T1822] !!!! control_disable control_disable ss name memory [ 232.172830][ T1822] !!!! control_disable control_disable ss name pids [ 232.179418][ T1822] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 232.179451][ T34] !!!! css_release_work_fn(ffff8881131d6c00) [ 232.187928][ C1] !!!! css_killed_ref_fn enqueue(ffff88810ff53400) [ 232.192027][ T34] !!!! css_release_work_fn(ffff8881131d7400) [ 232.199801][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 232.208146][ T34] !!!! css_free_rwork_fn(ffff88810f97d000) [ 232.211658][ T19] !!!! css_killed_work_fn css_put(ffff88810ff50800) [ 232.217586][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 232.224331][ T19] !!!! css_release enqueue(ffff88810ff50800) [ 232.237057][ T19] !!!! css_killed_work_fn css_put(ffff88810ff53400) [ 232.242324][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 232.243931][ T19] !!!! css_release enqueue(ffff88810ff53400) [ 232.251049][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 232.263648][ T34] !!!! css_release_work_fn(ffff88810fd0e400) [ 232.269861][ T435] !!!! css_release_work_fn(ffff88810ff50800) [ 232.275993][ T5] !!!! css_killed_work_fn css_put(ffff88810ff52000) [ 232.282702][ T5] !!!! css_release enqueue(ffff88810ff52000) [ 232.288914][ T5] !!!! css_free_rwork_fn(ffff8881131d6c00) [ 232.288935][ T435] !!!! css_release_work_fn(ffff88810ff53400) [ 232.294834][ T5] !!!! css_free_rwork_fn(ffff8881131d7400) [ 232.301059][ T1811] !!!! css_create css ffff88810fe45400 !!!! [ 232.312700][ T435] !!!! css_free_rwork_fn(ffff88810ff50800) [ 232.318796][ T1811] !!!! css_create css ffff88810fe45000 !!!! [ 232.325046][ T1811] !!!! css_create css ffff888121db7000 !!!! [ 232.330955][ T1811] FAULT_INJECTION: forcing a failure. [ 232.330955][ T1811] name failslab, interval 1, probability 0, space 0, times 0 [ 232.343628][ T1811] CPU: 1 PID: 1811 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 232.355330][ T1811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.365364][ T1811] Call Trace: [ 232.368648][ T1811] dump_stack_lvl+0x1e2/0x24b [ 232.373298][ T1811] ? bfq_pos_tree_add_move+0x43e/0x43e [ 232.378731][ T1811] ? serial8250_console_write+0xae0/0xe60 [ 232.384423][ T1811] ? record_print_text+0x266/0x420 [ 232.389508][ T1811] dump_stack+0x15/0x17 [ 232.393736][ T1811] should_fail+0x3c0/0x510 [ 232.398124][ T1811] ? __kernfs_new_node+0x99/0x6e0 [ 232.403123][ T1811] __should_failslab+0x9f/0xe0 [ 232.407859][ T1811] should_failslab+0x9/0x20 [ 232.412334][ T1811] __kmalloc_track_caller+0x5f/0x350 [ 232.417591][ T1811] kstrdup_const+0x55/0x90 [ 232.421992][ T1811] __kernfs_new_node+0x99/0x6e0 [ 232.426827][ T1811] ? stack_trace_save+0x1f0/0x1f0 [ 232.431832][ T1811] ? kernfs_new_node+0x170/0x170 [ 232.436740][ T1811] ? ptr_to_hashval+0x60/0x60 [ 232.441415][ T1811] ? snprintf+0xd6/0x120 [ 232.445641][ T1811] kernfs_new_node+0x97/0x170 [ 232.450313][ T1811] __kernfs_create_file+0x4a/0x270 [ 232.455418][ T1811] cgroup_addrm_files+0xab8/0xfe0 [ 232.460625][ T1811] ? cgroup_apply_control_enable+0x734/0x12e0 [ 232.466679][ T1811] ? cgroup_apply_control+0x93/0x710 [ 232.471942][ T1811] ? cgroup_subtree_control_write+0xd19/0x1310 [ 232.478335][ T1811] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 232.484489][ T1811] ? delete_node+0x759/0x7b0 [ 232.489064][ T1811] ? __kasan_check_read+0x11/0x20 [ 232.494082][ T1811] ? delete_node+0x759/0x7b0 [ 232.498656][ T1811] ? __kasan_check_write+0x14/0x20 [ 232.503849][ T1811] ? __radix_tree_replace+0x246/0x2e0 [ 232.509236][ T1811] ? idr_get_next+0x4b0/0x4b0 [ 232.513920][ T1811] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 232.518923][ T1811] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 232.524232][ T1811] css_populate_dir+0x137/0x370 [ 232.529067][ T1811] cgroup_apply_control_enable+0x629/0x12e0 [ 232.535150][ T1811] cgroup_apply_control+0x93/0x710 [ 232.540253][ T1811] ? css_next_child+0x160/0x160 [ 232.545259][ T1811] ? set_next_entity+0xc5/0x390 [ 232.550105][ T1811] ? io_schedule+0x120/0x120 [ 232.554691][ T1811] ? kernfs_fop_write_iter+0x15e/0x410 [ 232.560132][ T1811] ? __kasan_check_write+0x14/0x20 [ 232.565243][ T1811] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 232.570534][ T1811] cgroup_subtree_control_write+0xd19/0x1310 [ 232.576497][ T1811] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 232.582469][ T1811] ? __kasan_check_write+0x14/0x20 [ 232.587665][ T1811] ? _copy_from_iter+0x3fb/0xd60 [ 232.592580][ T1811] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 232.598535][ T1811] cgroup_file_write+0x28e/0x590 [ 232.603448][ T1811] ? cgroup_seqfile_stop+0xc0/0xc0 [ 232.608543][ T1811] ? mutex_lock+0xa6/0x110 [ 232.612948][ T1811] ? mutex_trylock+0xb0/0xb0 [ 232.617517][ T1811] ? __kasan_check_write+0x14/0x20 [ 232.622617][ T1811] kernfs_fop_write_iter+0x2d0/0x410 [ 232.627908][ T1811] ? cgroup_seqfile_stop+0xc0/0xc0 [ 232.632995][ T1811] vfs_write+0xc1c/0xf40 [ 232.637318][ T1811] ? kernel_write+0x3c0/0x3c0 [ 232.641991][ T1811] ? mutex_trylock+0xb0/0xb0 [ 232.646585][ T1811] ? __fdget_pos+0x26d/0x310 [ 232.651233][ T1811] ? ksys_write+0x77/0x2c0 [ 232.655650][ T1811] ksys_write+0x198/0x2c0 [ 232.660141][ T1811] ? __ia32_sys_read+0x90/0x90 [ 232.664884][ T1811] ? debug_smp_processor_id+0x17/0x20 [ 232.670243][ T1811] __x64_sys_write+0x7b/0x90 [ 232.674912][ T1811] do_syscall_64+0x34/0x70 [ 232.679305][ T1811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 232.685173][ T1811] RIP: 0033:0x7fe9a8a760e9 [ 232.689572][ T1811] 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 [ 232.709271][ T1811] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 232.717845][ T1811] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 232.725888][ T1811] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 232.733875][ T1811] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 232.741840][ T1811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 232.749791][ T1811] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 232.757842][ T1811] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 232.764941][ T1811] !!!! control_disable control_disable ss name cpu [ 232.765028][ T19] !!!! css_free_rwork_fn(ffff88810ff53400) [ 232.771558][ T1811] !!!! control_disable control_disable ss name memory [ 232.784366][ T1811] !!!! control_disable control_disable ss name pids [ 232.790954][ T1811] !!!! control_disable kill_css(ffff88810fe45400) [ 232.797692][ T1811] !!!! IN kill css_get(ffff88810fe45400) [ 232.803584][ T1811] !!!! IN kill css_get(ffff88810fe45400) [ 232.809288][ T1811] !!!! control_disable control_disable ss name cpu [ 232.815948][ T1811] !!!! control_disable control_disable ss name memory [ 232.822737][ T1811] !!!! control_disable control_disable ss name pids [ 232.829304][ T1811] !!!! control_disable kill_css(ffff88810fe45000) [ 232.835925][ T1811] !!!! IN kill css_get(ffff88810fe45000) [ 232.841825][ T1811] !!!! IN kill css_get(ffff88810fe45000) [ 232.847548][ T1811] !!!! control_disable control_disable ss name cpu [ 232.854095][ T1811] !!!! control_disable control_disable ss name memory [ 232.860845][ T1811] !!!! control_disable control_disable ss name pids [ 232.867447][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fe45400) [ 232.874097][ T1811] !!!! control_disable kill_css(ffff888121db7000) [ 232.880589][ T1811] !!!! IN kill css_get(ffff888121db7000) [ 232.886358][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fe45000) [ 232.893072][ T1811] !!!! IN kill css_get(ffff888121db7000) [ 232.898772][ T1811] !!!! control_disable control_disable ss name cpu [ 232.905315][ T1811] !!!! control_disable control_disable ss name memory [ 232.912101][ T1811] !!!! control_disable control_disable ss name cpu [ 232.918577][ T1811] !!!! control_disable control_disable ss name memory [ 232.925345][ T1811] !!!! control_disable control_disable ss name cpu [ 232.931851][ T1811] !!!! control_disable control_disable ss name memory [ 232.938598][ T1811] !!!! control_disable control_disable ss name cpu [ 232.945132][ T1811] !!!! control_disable control_disable ss name memory [ 232.951891][ T1811] !!!! control_disable control_disable ss name pids [ 232.958465][ T1811] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 232.958487][ T5] !!!! css_release_work_fn(ffff88810ff52000) [ 232.974221][ T5] !!!! css_free_rwork_fn(ffff88810fd0e400) [ 232.974238][ T19] !!!! css_killed_work_fn css_put(ffff88810fe45400) [ 232.986839][ C1] !!!! css_killed_ref_fn enqueue(ffff888121db7000) [ 232.993743][ T19] !!!! css_release enqueue(ffff88810fe45400) [ 232.995459][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.000311][ T19] !!!! css_killed_work_fn css_put(ffff88810fe45000) [ 233.010701][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.013553][ T19] !!!! css_release enqueue(ffff88810fe45000) [ 233.020563][ T5] !!!! css_free_rwork_fn(ffff88810ff52000) [ 233.027998][ T19] !!!! css_killed_work_fn css_put(ffff888121db7000) [ 233.033311][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.039143][ T19] !!!! css_release enqueue(ffff888121db7000) [ 233.047014][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.053361][ T1851] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 233.062433][ T1859] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 233.066965][ T1852] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 233.073451][ T1859] !!!! css_create css ffff88810fb22c00 !!!! [ 233.084534][ T1859] !!!! css_create css ffff88810fb25000 !!!! [ 233.085653][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.093954][ T1859] !!!! css_create css ffff88810fb24000 !!!! [ 233.097743][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.103766][ T1859] FAULT_INJECTION: forcing a failure. [ 233.103766][ T1859] name failslab, interval 1, probability 0, space 0, times 0 [ 233.112166][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.126710][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.130304][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.137285][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.144420][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.156467][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.157702][ T1859] CPU: 1 PID: 1859 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 233.165138][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.175961][ T1859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.175965][ T1859] Call Trace: [ 233.175982][ T1859] dump_stack_lvl+0x1e2/0x24b [ 233.175992][ T1859] ? bfq_pos_tree_add_move+0x43e/0x43e [ 233.176009][ T1859] dump_stack+0x15/0x17 [ 233.183193][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.193160][ T1859] should_fail+0x3c0/0x510 [ 233.193171][ T1859] ? __kernfs_new_node+0x99/0x6e0 [ 233.193181][ T1859] __should_failslab+0x9f/0xe0 [ 233.193198][ T1859] should_failslab+0x9/0x20 [ 233.197100][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.201160][ T1859] __kmalloc_track_caller+0x5f/0x350 [ 233.201170][ T1859] kstrdup_const+0x55/0x90 [ 233.201186][ T1859] __kernfs_new_node+0x99/0x6e0 [ 233.216956][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.217594][ T1859] ? stack_trace_save+0x1f0/0x1f0 [ 233.217612][ T1859] ? kernfs_new_node+0x170/0x170 [ 233.274549][ T1859] ? ptr_to_hashval+0x60/0x60 [ 233.279230][ T1859] ? snprintf+0xd6/0x120 [ 233.283466][ T1859] kernfs_new_node+0x97/0x170 [ 233.288120][ T1859] __kernfs_create_file+0x4a/0x270 [ 233.293209][ T1859] cgroup_addrm_files+0xab8/0xfe0 [ 233.298217][ T1859] ? cgroup_apply_control_enable+0x734/0x12e0 [ 233.304266][ T1859] ? cgroup_apply_control+0x93/0x710 [ 233.309552][ T1859] ? cgroup_subtree_control_write+0xd19/0x1310 [ 233.315697][ T1859] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 233.321832][ T1859] ? delete_node+0x759/0x7b0 [ 233.326413][ T1859] ? __kasan_check_read+0x11/0x20 [ 233.331423][ T1859] ? delete_node+0x759/0x7b0 [ 233.335996][ T1859] ? __kasan_check_write+0x14/0x20 [ 233.341090][ T1859] ? __radix_tree_replace+0x246/0x2e0 [ 233.346459][ T1859] ? idr_get_next+0x4b0/0x4b0 [ 233.351122][ T1859] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 233.356333][ T1859] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 233.361512][ T1859] css_populate_dir+0x137/0x370 [ 233.366346][ T1859] cgroup_apply_control_enable+0x629/0x12e0 [ 233.372216][ T1859] cgroup_apply_control+0x93/0x710 [ 233.377315][ T1859] ? css_next_child+0x160/0x160 [ 233.382145][ T1859] ? io_schedule+0x120/0x120 [ 233.386710][ T1859] ? kernfs_fop_write_iter+0x15e/0x410 [ 233.392141][ T1859] ? __kasan_check_write+0x14/0x20 [ 233.397225][ T1859] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 233.402504][ T1859] cgroup_subtree_control_write+0xd19/0x1310 [ 233.408456][ T1859] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 233.414426][ T1859] ? __kasan_check_write+0x14/0x20 [ 233.419621][ T1859] ? _copy_from_iter+0x3fb/0xd60 [ 233.424535][ T1859] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 233.430493][ T1859] cgroup_file_write+0x28e/0x590 [ 233.435404][ T1859] ? cgroup_seqfile_stop+0xc0/0xc0 [ 233.440507][ T1859] ? mutex_lock+0xa6/0x110 [ 233.444897][ T1859] ? mutex_trylock+0xb0/0xb0 [ 233.449463][ T1859] ? __kasan_check_write+0x14/0x20 [ 233.454556][ T1859] kernfs_fop_write_iter+0x2d0/0x410 [ 233.459813][ T1859] ? cgroup_seqfile_stop+0xc0/0xc0 [ 233.464899][ T1859] vfs_write+0xc1c/0xf40 [ 233.469128][ T1859] ? kernel_write+0x3c0/0x3c0 [ 233.473788][ T1859] ? mutex_trylock+0xb0/0xb0 [ 233.478364][ T1859] ? __fdget_pos+0x26d/0x310 [ 233.482926][ T1859] ? ksys_write+0x77/0x2c0 [ 233.487329][ T1859] ksys_write+0x198/0x2c0 [ 233.491651][ T1859] ? __ia32_sys_read+0x90/0x90 [ 233.496386][ T1859] ? debug_smp_processor_id+0x17/0x20 [ 233.501743][ T1859] __x64_sys_write+0x7b/0x90 [ 233.506309][ T1859] do_syscall_64+0x34/0x70 [ 233.510733][ T1859] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 233.516728][ T1859] RIP: 0033:0x7fe9a8a760e9 [ 233.521140][ T1859] 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 [ 233.540730][ T1859] RSP: 002b:00007fe9a89ec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 233.549133][ T1859] RAX: ffffffffffffffda RBX: 00007fe9a8b88f60 RCX: 00007fe9a8a760e9 [ 233.557096][ T1859] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 233.565063][ T1859] RBP: 00007fe9a89ec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 233.573020][ T1859] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 233.582009][ T1859] R13: 00007ffc015d045f R14: 00007fe9a89ec300 R15: 0000000000022000 [ 233.590354][ T1859] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 233.597622][ T1859] !!!! control_disable control_disable ss name cpu [ 233.604274][ T1859] !!!! control_disable control_disable ss name memory [ 233.611070][ T1859] !!!! control_disable control_disable ss name pids [ 233.617707][ T1859] !!!! control_disable kill_css(ffff88810fb22c00) [ 233.624258][ T1859] !!!! IN kill css_get(ffff88810fb22c00) [ 233.629970][ T1859] !!!! IN kill css_get(ffff88810fb22c00) [ 233.635813][ T1859] !!!! control_disable control_disable ss name cpu [ 233.642338][ T1859] !!!! control_disable control_disable ss name memory [ 233.649091][ T1859] !!!! control_disable control_disable ss name pids [ 233.655697][ T1859] !!!! control_disable kill_css(ffff88810fb25000) [ 233.662238][ T1859] !!!! IN kill css_get(ffff88810fb25000) [ 233.668058][ T1859] !!!! IN kill css_get(ffff88810fb25000) [ 233.673815][ T1859] !!!! control_disable control_disable ss name cpu [ 233.680416][ T1859] !!!! control_disable control_disable ss name memory [ 233.687286][ T1859] !!!! control_disable control_disable ss name pids [ 233.693922][ T1859] !!!! control_disable kill_css(ffff88810fb24000) [ 233.700539][ T1859] !!!! IN kill css_get(ffff88810fb24000) [ 233.706289][ T1859] !!!! IN kill css_get(ffff88810fb24000) [ 233.712022][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fb22c00) [ 233.718651][ T1859] !!!! control_disable control_disable ss name cpu [ 233.725176][ T1859] !!!! control_disable control_disable ss name memory [ 233.731950][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fb25000) [ 233.738535][ T1859] !!!! control_disable control_disable ss name cpu [ 233.745135][ T1859] !!!! control_disable control_disable ss name memory [ 233.751899][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fb24000) [ 233.758511][ T1859] !!!! control_disable control_disable ss name cpu [ 233.765137][ T1859] !!!! control_disable control_disable ss name memory [ 233.771910][ T1859] !!!! control_disable control_disable ss name cpu [ 233.778387][ T1859] !!!! control_disable control_disable ss name memory [ 233.785246][ T1859] !!!! control_disable control_disable ss name pids [ 233.791941][ T435] !!!! css_release_work_fn(ffff88810fe45400) [ 233.792198][ T1859] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 233.798039][ T435] !!!! css_release_work_fn(ffff88810fe45000) [ 233.810623][ T435] !!!! css_release_work_fn(ffff888121db7000) [ 233.817191][ T435] !!!! css_killed_work_fn css_put(ffff88810fb22c00) [ 233.824133][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.825280][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.833421][ T435] !!!! css_release enqueue(ffff88810fb22c00) [ 233.839798][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.844402][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.851542][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.858160][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.870139][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.871598][ T435] !!!! css_killed_work_fn css_put(ffff88810fb25000) [ 233.879660][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.888097][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.895610][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.899484][ T435] !!!! css_release enqueue(ffff88810fb25000) [ 233.907063][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.914405][ T435] !!!! css_killed_work_fn css_put(ffff88810fb24000) [ 233.921849][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.926082][ T435] !!!! css_release enqueue(ffff88810fb24000) [ 233.932949][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.938454][ T1856] !!!! css_create css ffff888122155c00 !!!! [ 233.946106][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.951183][ T435] !!!! css_free_rwork_fn(ffff88810fe45400) [ 233.958741][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.964188][ T1856] !!!! css_create css ffff888122156400 !!!! [ 233.972154][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 233.977450][ T435] !!!! css_free_rwork_fn(ffff88810fe45000) [ 233.989713][ T1856] !!!! css_create css ffff888122157c00 !!!! [ 233.995697][ T435] !!!! css_free_rwork_fn(ffff888121db7000) [ 234.001697][ T1856] FAULT_INJECTION: forcing a failure. [ 234.001697][ T1856] name failslab, interval 1, probability 0, space 0, times 0 [ 234.001723][ T1856] CPU: 0 PID: 1856 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 234.025857][ T1856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.037131][ T1856] Call Trace: [ 234.040437][ T1856] dump_stack_lvl+0x1e2/0x24b [ 234.045095][ T1856] ? bfq_pos_tree_add_move+0x43e/0x43e [ 234.050548][ T1856] dump_stack+0x15/0x17 [ 234.054800][ T1856] should_fail+0x3c0/0x510 [ 234.059212][ T1856] ? __kernfs_new_node+0x99/0x6e0 [ 234.064219][ T1856] __should_failslab+0x9f/0xe0 [ 234.068965][ T1856] should_failslab+0x9/0x20 [ 234.073451][ T1856] __kmalloc_track_caller+0x5f/0x350 [ 234.078712][ T1856] kstrdup_const+0x55/0x90 [ 234.083104][ T1856] __kernfs_new_node+0x99/0x6e0 [ 234.087948][ T1856] ? stack_trace_save+0x1f0/0x1f0 [ 234.092949][ T1856] ? kernfs_new_node+0x170/0x170 [ 234.097880][ T1856] ? ptr_to_hashval+0x60/0x60 [ 234.102533][ T1856] ? snprintf+0xd6/0x120 [ 234.106750][ T1856] kernfs_new_node+0x97/0x170 [ 234.111404][ T1856] __kernfs_create_file+0x4a/0x270 [ 234.116490][ T1856] cgroup_addrm_files+0xab8/0xfe0 [ 234.121523][ T1856] ? cgroup_apply_control_enable+0x734/0x12e0 [ 234.127589][ T1856] ? cgroup_apply_control+0x93/0x710 [ 234.132875][ T1856] ? cgroup_subtree_control_write+0xd19/0x1310 [ 234.139027][ T1856] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 234.145163][ T1856] ? delete_node+0x759/0x7b0 [ 234.149740][ T1856] ? __kasan_check_read+0x11/0x20 [ 234.154755][ T1856] ? delete_node+0x759/0x7b0 [ 234.159331][ T1856] ? __kasan_check_write+0x14/0x20 [ 234.164429][ T1856] ? __radix_tree_replace+0x246/0x2e0 [ 234.169866][ T1856] ? idr_get_next+0x4b0/0x4b0 [ 234.174779][ T1856] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 234.179797][ T1856] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 234.184974][ T1856] css_populate_dir+0x137/0x370 [ 234.189820][ T1856] cgroup_apply_control_enable+0x629/0x12e0 [ 234.195705][ T1856] cgroup_apply_control+0x93/0x710 [ 234.200799][ T1856] ? css_next_child+0x160/0x160 [ 234.205635][ T1856] ? set_next_entity+0xc5/0x390 [ 234.210465][ T1856] ? io_schedule+0x120/0x120 [ 234.215037][ T1856] ? kernfs_fop_write_iter+0x15e/0x410 [ 234.220562][ T1856] ? __kasan_check_write+0x14/0x20 [ 234.225751][ T1856] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 234.231034][ T1856] cgroup_subtree_control_write+0xd19/0x1310 [ 234.237023][ T1856] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 234.242997][ T1856] ? __kasan_check_write+0x14/0x20 [ 234.248099][ T1856] ? _copy_from_iter+0x3fb/0xd60 [ 234.253026][ T1856] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 234.259000][ T1856] cgroup_file_write+0x28e/0x590 [ 234.263974][ T1856] ? cgroup_seqfile_stop+0xc0/0xc0 [ 234.269161][ T1856] ? mutex_lock+0xa6/0x110 [ 234.273565][ T1856] ? mutex_trylock+0xb0/0xb0 [ 234.278134][ T1856] ? __kasan_check_write+0x14/0x20 [ 234.283220][ T1856] kernfs_fop_write_iter+0x2d0/0x410 [ 234.288623][ T1856] ? cgroup_seqfile_stop+0xc0/0xc0 [ 234.293719][ T1856] vfs_write+0xc1c/0xf40 [ 234.297937][ T1856] ? kernel_write+0x3c0/0x3c0 [ 234.302614][ T1856] ? mutex_trylock+0xb0/0xb0 [ 234.307311][ T1856] ? __fdget_pos+0x26d/0x310 [ 234.311882][ T1856] ? ksys_write+0x77/0x2c0 [ 234.316360][ T1856] ksys_write+0x198/0x2c0 [ 234.320682][ T1856] ? __ia32_sys_read+0x90/0x90 [ 234.325449][ T1856] ? debug_smp_processor_id+0x17/0x20 [ 234.330806][ T1856] __x64_sys_write+0x7b/0x90 [ 234.335580][ T1856] do_syscall_64+0x34/0x70 [ 234.339979][ T1856] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 234.345964][ T1856] RIP: 0033:0x7f2fc06ba0e9 [ 234.350451][ T1856] 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 [ 234.370064][ T1856] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 234.378476][ T1856] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 234.386535][ T1856] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 234.394586][ T1856] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 234.402566][ T1856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 234.410529][ T1856] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 234.420451][ T1856] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 234.427577][ T1856] !!!! control_disable control_disable ss name cpu [ 234.434271][ T1856] !!!! control_disable control_disable ss name memory [ 234.441192][ T1856] !!!! control_disable control_disable ss name pids [ 234.447980][ T1856] !!!! control_disable kill_css(ffff888122155c00) [ 234.454645][ T1856] !!!! IN kill css_get(ffff888122155c00) [ 234.460401][ T1856] !!!! IN kill css_get(ffff888122155c00) [ 234.466364][ T1856] !!!! control_disable control_disable ss name cpu [ 234.473219][ T1856] !!!! control_disable control_disable ss name memory [ 234.480071][ T1856] !!!! control_disable control_disable ss name pids [ 234.486799][ T1856] !!!! control_disable kill_css(ffff888122156400) [ 234.493499][ C1] !!!! css_killed_ref_fn enqueue(ffff888122155c00) [ 234.500314][ T1856] !!!! IN kill css_get(ffff888122156400) [ 234.506223][ T1856] !!!! IN kill css_get(ffff888122156400) [ 234.511984][ T1856] !!!! control_disable control_disable ss name cpu [ 234.518749][ T1856] !!!! control_disable control_disable ss name memory [ 234.525782][ T1856] !!!! control_disable control_disable ss name pids [ 234.532376][ T1856] !!!! control_disable kill_css(ffff888122157c00) [ 234.538858][ T1856] !!!! IN kill css_get(ffff888122157c00) [ 234.544696][ T1856] !!!! IN kill css_get(ffff888122157c00) [ 234.550598][ T1856] !!!! control_disable control_disable ss name cpu [ 234.557142][ T1856] !!!! control_disable control_disable ss name memory [ 234.563962][ T1856] !!!! control_disable control_disable ss name cpu [ 234.570470][ T1856] !!!! control_disable control_disable ss name memory [ 234.577361][ T1856] !!!! control_disable control_disable ss name cpu [ 234.583908][ T1856] !!!! control_disable control_disable ss name memory [ 234.590686][ T1856] !!!! control_disable control_disable ss name cpu [ 234.597200][ T1856] !!!! control_disable control_disable ss name memory [ 234.603991][ T1856] !!!! control_disable control_disable ss name pids [ 234.610706][ T435] !!!! css_release_work_fn(ffff88810fb22c00) [ 234.616840][ T1856] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 234.624091][ T435] !!!! css_release_work_fn(ffff88810fb25000) [ 234.624661][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.631701][ T435] !!!! css_release_work_fn(ffff88810fb24000) [ 234.638545][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.643255][ C1] !!!! css_killed_ref_fn enqueue(ffff888122156400) [ 234.643271][ C1] !!!! css_killed_ref_fn enqueue(ffff888122157c00) [ 234.650869][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.660078][ T378] !!!! css_killed_work_fn css_put(ffff888122155c00) [ 234.665891][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.672682][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.678200][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.687370][ T378] !!!! css_release enqueue(ffff888122155c00) [ 234.692848][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.700494][ T435] !!!! css_killed_work_fn css_put(ffff888122156400) [ 234.706187][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.710796][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.718219][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.728094][ T435] !!!! css_release enqueue(ffff888122156400) [ 234.733144][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.742516][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.744594][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.751884][ T378] !!!! css_killed_work_fn css_put(ffff888122157c00) [ 234.759116][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.766107][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.772963][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.779661][ T378] !!!! css_release enqueue(ffff888122157c00) [ 234.786846][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.794237][ T378] !!!! css_free_rwork_fn(ffff88810fb22c00) [ 234.799975][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.807001][ T1857] !!!! css_create css ffff888110020c00 !!!! [ 234.812793][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.821382][ T1857] !!!! css_create css ffff888110022c00 !!!! [ 234.828594][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.833668][ T435] !!!! css_free_rwork_fn(ffff88810fb25000) [ 234.838005][ T1857] !!!! css_create css ffff888110629400 !!!! [ 234.846116][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.851120][ T1857] FAULT_INJECTION: forcing a failure. [ 234.851120][ T1857] name failslab, interval 1, probability 0, space 0, times 0 [ 234.860480][ T435] !!!! css_free_rwork_fn(ffff88810fb24000) [ 234.863775][ T1857] CPU: 0 PID: 1857 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 234.876558][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.881940][ T1857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.881945][ T1857] Call Trace: [ 234.881963][ T1857] dump_stack_lvl+0x1e2/0x24b [ 234.881973][ T1857] ? bfq_pos_tree_add_move+0x43e/0x43e [ 234.881983][ T1857] dump_stack+0x15/0x17 [ 234.881991][ T1857] should_fail+0x3c0/0x510 [ 234.882010][ T1857] ? __kernfs_new_node+0x99/0x6e0 [ 234.894474][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.900739][ T1857] __should_failslab+0x9f/0xe0 [ 234.900757][ T1857] should_failslab+0x9/0x20 [ 234.911369][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 234.914060][ T1857] __kmalloc_track_caller+0x5f/0x350 [ 234.914071][ T1857] kstrdup_const+0x55/0x90 [ 234.914080][ T1857] __kernfs_new_node+0x99/0x6e0 [ 234.914089][ T1857] ? stack_trace_save+0x1f0/0x1f0 [ 234.914097][ T1857] ? kernfs_new_node+0x170/0x170 [ 234.914115][ T1857] ? ptr_to_hashval+0x60/0x60 [ 234.990845][ T1857] ? snprintf+0xd6/0x120 [ 234.995068][ T1857] kernfs_new_node+0x97/0x170 [ 234.999810][ T1857] __kernfs_create_file+0x4a/0x270 [ 235.004908][ T1857] cgroup_addrm_files+0xab8/0xfe0 [ 235.009947][ T1857] ? cgroup_apply_control_enable+0x734/0x12e0 [ 235.016006][ T1857] ? cgroup_apply_control+0x93/0x710 [ 235.021282][ T1857] ? cgroup_subtree_control_write+0xd19/0x1310 [ 235.027465][ T1857] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 235.033695][ T1857] ? delete_node+0x759/0x7b0 [ 235.038268][ T1857] ? __kasan_check_read+0x11/0x20 [ 235.043283][ T1857] ? delete_node+0x759/0x7b0 [ 235.047873][ T1857] ? __kasan_check_write+0x14/0x20 [ 235.052963][ T1857] ? __radix_tree_replace+0x246/0x2e0 [ 235.058324][ T1857] ? idr_get_next+0x4b0/0x4b0 [ 235.062994][ T1857] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 235.068001][ T1857] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 235.073197][ T1857] css_populate_dir+0x137/0x370 [ 235.078034][ T1857] cgroup_apply_control_enable+0x629/0x12e0 [ 235.083912][ T1857] cgroup_apply_control+0x93/0x710 [ 235.089022][ T1857] ? css_next_child+0x160/0x160 [ 235.093878][ T1857] ? set_next_entity+0xc5/0x390 [ 235.098711][ T1857] ? io_schedule+0x120/0x120 [ 235.103309][ T1857] ? kernfs_fop_write_iter+0x15e/0x410 [ 235.108881][ T1857] ? __kasan_check_write+0x14/0x20 [ 235.113975][ T1857] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 235.119259][ T1857] cgroup_subtree_control_write+0xd19/0x1310 [ 235.125220][ T1857] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 235.131202][ T1857] ? __kasan_check_write+0x14/0x20 [ 235.136294][ T1857] ? _copy_from_iter+0x3fb/0xd60 [ 235.141233][ T1857] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 235.147216][ T1857] cgroup_file_write+0x28e/0x590 [ 235.152196][ T1857] ? cgroup_seqfile_stop+0xc0/0xc0 [ 235.157302][ T1857] ? mutex_lock+0xa6/0x110 [ 235.162063][ T1857] ? mutex_trylock+0xb0/0xb0 [ 235.166694][ T1857] ? __kasan_check_write+0x14/0x20 [ 235.171887][ T1857] kernfs_fop_write_iter+0x2d0/0x410 [ 235.177165][ T1857] ? cgroup_seqfile_stop+0xc0/0xc0 [ 235.182258][ T1857] vfs_write+0xc1c/0xf40 [ 235.186482][ T1857] ? kernel_write+0x3c0/0x3c0 [ 235.191163][ T1857] ? mutex_trylock+0xb0/0xb0 [ 235.195750][ T1857] ? __fdget_pos+0x26d/0x310 [ 235.200376][ T1857] ? ksys_write+0x77/0x2c0 [ 235.204791][ T1857] ksys_write+0x198/0x2c0 [ 235.209723][ T1857] ? __ia32_sys_read+0x90/0x90 [ 235.214559][ T1857] ? debug_smp_processor_id+0x17/0x20 [ 235.219929][ T1857] __x64_sys_write+0x7b/0x90 [ 235.224507][ T1857] do_syscall_64+0x34/0x70 [ 235.228916][ T1857] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 235.234785][ T1857] RIP: 0033:0x7ff3e27b70e9 [ 235.239359][ T1857] 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 [ 235.259142][ T1857] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 235.267662][ T1857] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 235.275814][ T1857] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 235.283777][ T1857] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 235.291727][ T1857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 235.299860][ T1857] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 235.308640][ T1857] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 235.315761][ T1857] !!!! control_disable control_disable ss name cpu [ 235.322478][ T1857] !!!! control_disable control_disable ss name memory [ 235.329318][ T1857] !!!! control_disable control_disable ss name pids [ 235.336156][ T1857] !!!! control_disable kill_css(ffff888110020c00) [ 235.342911][ T1857] !!!! IN kill css_get(ffff888110020c00) [ 235.348650][ T1857] !!!! IN kill css_get(ffff888110020c00) [ 235.354499][ T1857] !!!! control_disable control_disable ss name cpu [ 235.361124][ T1857] !!!! control_disable control_disable ss name memory [ 235.367976][ T1857] !!!! control_disable control_disable ss name pids [ 235.374758][ T1857] !!!! control_disable kill_css(ffff888110022c00) [ 235.381292][ T1857] !!!! IN kill css_get(ffff888110022c00) [ 235.387039][ C0] !!!! css_killed_ref_fn enqueue(ffff888110020c00) [ 235.393670][ T1857] !!!! IN kill css_get(ffff888110022c00) [ 235.399370][ T1857] !!!! control_disable control_disable ss name cpu [ 235.405897][ T1857] !!!! control_disable control_disable ss name memory [ 235.412667][ T1857] !!!! control_disable control_disable ss name pids [ 235.419233][ T1857] !!!! control_disable kill_css(ffff888110629400) [ 235.425746][ T1857] !!!! IN kill css_get(ffff888110629400) [ 235.431462][ T1857] !!!! IN kill css_get(ffff888110629400) [ 235.437315][ T1857] !!!! control_disable control_disable ss name cpu [ 235.444317][ T1857] !!!! control_disable control_disable ss name memory [ 235.451068][ T1857] !!!! control_disable control_disable ss name cpu [ 235.457593][ T1857] !!!! control_disable control_disable ss name memory [ 235.464450][ C0] !!!! css_killed_ref_fn enqueue(ffff888110022c00) [ 235.471127][ T1857] !!!! control_disable control_disable ss name cpu [ 235.477902][ T1857] !!!! control_disable control_disable ss name memory [ 235.484701][ C0] !!!! css_killed_ref_fn enqueue(ffff888110629400) [ 235.491309][ T1857] !!!! control_disable control_disable ss name cpu [ 235.497828][ T1857] !!!! control_disable control_disable ss name memory 2022/06/08 04:03:46 executed programs: 516 [ 235.504677][ T1857] !!!! control_disable control_disable ss name pids [ 235.511267][ T1857] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 235.511379][ T435] !!!! css_release_work_fn(ffff888122155c00) [ 235.525111][ T435] !!!! css_release_work_fn(ffff888122156400) [ 235.527575][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.538471][ T5] !!!! css_killed_work_fn css_put(ffff888110020c00) [ 235.538607][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.547485][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.557554][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.560461][ T5] !!!! css_release enqueue(ffff888110020c00) [ 235.568042][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.573983][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.587454][ T435] !!!! css_release_work_fn(ffff888122157c00) [ 235.587832][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.594066][ T435] !!!! css_free_rwork_fn(ffff888122155c00) [ 235.601651][ T5] !!!! css_killed_work_fn css_put(ffff888110022c00) [ 235.607570][ T378] !!!! css_free_rwork_fn(ffff888122156400) [ 235.615558][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.622675][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.628409][ T5] !!!! css_release enqueue(ffff888110022c00) [ 235.638422][ T435] !!!! css_free_rwork_fn(ffff888122157c00) [ 235.643319][ T5] !!!! css_killed_work_fn css_put(ffff888110629400) [ 235.651826][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.654103][ T5] !!!! css_release enqueue(ffff888110629400) [ 235.660939][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.666779][ T5] !!!! css_release_work_fn(ffff888110020c00) [ 235.673983][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.680348][ T5] !!!! css_release_work_fn(ffff888110022c00) [ 235.686784][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.693747][ T1904] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 235.700414][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.706949][ T34] !!!! css_release_work_fn(ffff888110629400) [ 235.716686][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.719141][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.726817][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.734103][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.746149][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.747047][ T1907] !!!! css_create css ffff888114125800 !!!! [ 235.754711][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.760143][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.771089][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.773485][ T5] !!!! css_free_rwork_fn(ffff888110020c00) [ 235.780464][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.786549][ T1907] !!!! css_create css ffff888114126c00 !!!! [ 235.795438][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.799477][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.807021][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.813170][ T34] !!!! css_free_rwork_fn(ffff888110022c00) [ 235.826134][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.831750][ T1907] !!!! css_create css ffff8881142e9800 !!!! [ 235.833190][ T34] !!!! css_free_rwork_fn(ffff888110629400) [ 235.839084][ T1907] FAULT_INJECTION: forcing a failure. [ 235.839084][ T1907] name failslab, interval 1, probability 0, space 0, times 0 [ 235.847851][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 235.857934][ T1907] CPU: 1 PID: 1907 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 235.876013][ T1907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.886059][ T1907] Call Trace: [ 235.889353][ T1907] dump_stack_lvl+0x1e2/0x24b [ 235.894071][ T1907] ? bfq_pos_tree_add_move+0x43e/0x43e [ 235.899524][ T1907] dump_stack+0x15/0x17 [ 235.903658][ T1907] should_fail+0x3c0/0x510 [ 235.908171][ T1907] ? __kernfs_new_node+0x99/0x6e0 [ 235.913181][ T1907] __should_failslab+0x9f/0xe0 [ 235.918185][ T1907] should_failslab+0x9/0x20 [ 235.922760][ T1907] __kmalloc_track_caller+0x5f/0x350 [ 235.928116][ T1907] kstrdup_const+0x55/0x90 [ 235.932513][ T1907] __kernfs_new_node+0x99/0x6e0 [ 235.937348][ T1907] ? stack_trace_save+0x1f0/0x1f0 [ 235.942348][ T1907] ? kernfs_new_node+0x170/0x170 [ 235.947274][ T1907] ? ptr_to_hashval+0x60/0x60 [ 235.951930][ T1907] ? snprintf+0xd6/0x120 [ 235.956152][ T1907] ? debug_smp_processor_id+0x17/0x20 [ 235.961518][ T1907] kernfs_new_node+0x97/0x170 [ 235.966186][ T1907] __kernfs_create_file+0x4a/0x270 [ 235.971280][ T1907] cgroup_addrm_files+0xab8/0xfe0 [ 235.976315][ T1907] ? cgroup_apply_control_enable+0x734/0x12e0 [ 235.982364][ T1907] ? cgroup_apply_control+0x93/0x710 [ 235.987624][ T1907] ? cgroup_subtree_control_write+0xd19/0x1310 [ 235.993844][ T1907] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 236.000056][ T1907] ? delete_node+0x759/0x7b0 [ 236.004735][ T1907] ? __kasan_check_read+0x11/0x20 [ 236.009746][ T1907] ? delete_node+0x759/0x7b0 [ 236.014338][ T1907] ? __kasan_check_write+0x14/0x20 [ 236.019440][ T1907] ? __radix_tree_replace+0x246/0x2e0 [ 236.024800][ T1907] ? idr_get_next+0x4b0/0x4b0 [ 236.029460][ T1907] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 236.034462][ T1907] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 236.039728][ T1907] css_populate_dir+0x137/0x370 [ 236.044569][ T1907] cgroup_apply_control_enable+0x629/0x12e0 [ 236.050435][ T1907] cgroup_apply_control+0x93/0x710 [ 236.055537][ T1907] ? css_next_child+0x160/0x160 [ 236.060362][ T1907] ? set_next_entity+0xc5/0x390 [ 236.065195][ T1907] ? io_schedule+0x120/0x120 [ 236.069845][ T1907] ? kernfs_fop_write_iter+0x15e/0x410 [ 236.075277][ T1907] ? __kasan_check_write+0x14/0x20 [ 236.080393][ T1907] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 236.085655][ T1907] cgroup_subtree_control_write+0xd19/0x1310 [ 236.091609][ T1907] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 236.097568][ T1907] ? __kasan_check_write+0x14/0x20 [ 236.102651][ T1907] ? _copy_from_iter+0x3fb/0xd60 [ 236.107612][ T1907] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 236.113563][ T1907] cgroup_file_write+0x28e/0x590 [ 236.118470][ T1907] ? cgroup_seqfile_stop+0xc0/0xc0 [ 236.123555][ T1907] ? mutex_lock+0xa6/0x110 [ 236.127943][ T1907] ? mutex_trylock+0xb0/0xb0 [ 236.132510][ T1907] ? __kasan_check_write+0x14/0x20 [ 236.137604][ T1907] kernfs_fop_write_iter+0x2d0/0x410 [ 236.142866][ T1907] ? cgroup_seqfile_stop+0xc0/0xc0 [ 236.147958][ T1907] vfs_write+0xc1c/0xf40 [ 236.152173][ T1907] ? kernel_write+0x3c0/0x3c0 [ 236.156835][ T1907] ? mutex_trylock+0xb0/0xb0 [ 236.161727][ T1907] ? __fdget_pos+0x26d/0x310 [ 236.166297][ T1907] ? ksys_write+0x77/0x2c0 [ 236.170690][ T1907] ksys_write+0x198/0x2c0 [ 236.175081][ T1907] ? __ia32_sys_read+0x90/0x90 [ 236.179816][ T1907] ? debug_smp_processor_id+0x17/0x20 [ 236.185160][ T1907] __x64_sys_write+0x7b/0x90 [ 236.189724][ T1907] do_syscall_64+0x34/0x70 [ 236.194205][ T1907] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 236.200068][ T1907] RIP: 0033:0x7fccade130e9 [ 236.204463][ T1907] 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 [ 236.224040][ T1907] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 236.232432][ T1907] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 236.240386][ T1907] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 236.248332][ T1907] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 236.256277][ T1907] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 236.264240][ T1907] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 236.274245][ T1907] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 236.281694][ T1907] !!!! control_disable control_disable ss name cpu [ 236.288269][ T1907] !!!! control_disable control_disable ss name memory [ 236.295144][ T1907] !!!! control_disable control_disable ss name pids [ 236.301808][ T1907] !!!! control_disable kill_css(ffff888114125800) [ 236.308498][ T1907] !!!! IN kill css_get(ffff888114125800) [ 236.314267][ T1907] !!!! IN kill css_get(ffff888114125800) [ 236.320547][ T1907] !!!! control_disable control_disable ss name cpu [ 236.327230][ T1907] !!!! control_disable control_disable ss name memory [ 236.334192][ T1907] !!!! control_disable control_disable ss name pids [ 236.340845][ T1907] !!!! control_disable kill_css(ffff888114126c00) [ 236.347543][ C0] !!!! css_killed_ref_fn enqueue(ffff888114125800) [ 236.354263][ T1907] !!!! IN kill css_get(ffff888114126c00) [ 236.359958][ T1907] !!!! IN kill css_get(ffff888114126c00) [ 236.365786][ T1907] !!!! control_disable control_disable ss name cpu [ 236.372327][ T1907] !!!! control_disable control_disable ss name memory [ 236.379074][ T1907] !!!! control_disable control_disable ss name pids [ 236.385676][ T1907] !!!! control_disable kill_css(ffff8881142e9800) [ 236.392259][ T1907] !!!! IN kill css_get(ffff8881142e9800) [ 236.397957][ T1907] !!!! IN kill css_get(ffff8881142e9800) [ 236.403705][ T1907] !!!! control_disable control_disable ss name cpu [ 236.410199][ T1907] !!!! control_disable control_disable ss name memory [ 236.416972][ T1907] !!!! control_disable control_disable ss name cpu [ 236.423478][ T1907] !!!! control_disable control_disable ss name memory [ 236.430209][ T1907] !!!! control_disable control_disable ss name cpu [ 236.436705][ T1907] !!!! control_disable control_disable ss name memory [ 236.443459][ T1907] !!!! control_disable control_disable ss name cpu [ 236.449938][ T1907] !!!! control_disable control_disable ss name memory [ 236.456700][ T1907] !!!! control_disable control_disable ss name pids [ 236.463406][ T1907] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 236.469947][ T5] !!!! css_killed_work_fn css_put(ffff888114125800) [ 236.476847][ T5] !!!! css_release enqueue(ffff888114125800) [ 236.483168][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.484043][ T5] !!!! css_release_work_fn(ffff888114125800) [ 236.491432][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.500660][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.503538][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.511648][ C0] !!!! css_killed_ref_fn enqueue(ffff888114126c00) [ 236.518878][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.523309][ C0] !!!! css_killed_ref_fn enqueue(ffff8881142e9800) [ 236.523691][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.530445][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.541327][ T5] !!!! css_killed_work_fn css_put(ffff888114126c00) [ 236.547024][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.552889][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.558136][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.569782][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.572628][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.578159][ T5] !!!! css_release enqueue(ffff888114126c00) [ 236.585456][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.597403][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.600266][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.605629][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.612880][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.619143][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.626456][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.633381][ T5] !!!! css_killed_work_fn css_put(ffff8881142e9800) [ 236.643822][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.647617][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.667833][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.671992][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.674835][ T5] !!!! css_release enqueue(ffff8881142e9800) [ 236.687966][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.696207][ T1929] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 236.702045][ T1924] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 236.703562][ T1931] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 236.711101][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.720292][ T5] !!!! css_free_rwork_fn(ffff888114125800) [ 236.723808][ T1924] !!!! css_create css ffff8881108e2400 !!!! [ 236.729943][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.735902][ T1924] !!!! css_create css ffff888121f0a000 !!!! [ 236.742394][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.749448][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.759449][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.762074][ T1924] !!!! css_create css ffff888121f08c00 !!!! [ 236.771133][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.775379][ T1924] FAULT_INJECTION: forcing a failure. [ 236.775379][ T1924] name failslab, interval 1, probability 0, space 0, times 0 [ 236.782251][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.794525][ T1924] CPU: 1 PID: 1924 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 236.802107][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 236.813153][ T1924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.813158][ T1924] Call Trace: [ 236.813177][ T1924] dump_stack_lvl+0x1e2/0x24b [ 236.813186][ T1924] ? bfq_pos_tree_add_move+0x43e/0x43e [ 236.813196][ T1924] dump_stack+0x15/0x17 [ 236.813211][ T1924] should_fail+0x3c0/0x510 [ 236.813230][ T1924] ? __kernfs_new_node+0x99/0x6e0 [ 236.856951][ T1924] __should_failslab+0x9f/0xe0 [ 236.861778][ T1924] should_failslab+0x9/0x20 [ 236.866272][ T1924] __kmalloc_track_caller+0x5f/0x350 [ 236.871534][ T1924] kstrdup_const+0x55/0x90 [ 236.875940][ T1924] __kernfs_new_node+0x99/0x6e0 [ 236.880780][ T1924] ? stack_trace_save+0x1f0/0x1f0 [ 236.885876][ T1924] ? kernfs_new_node+0x170/0x170 [ 236.890808][ T1924] ? ptr_to_hashval+0x60/0x60 [ 236.895922][ T1924] ? snprintf+0xd6/0x120 [ 236.900153][ T1924] ? debug_smp_processor_id+0x17/0x20 [ 236.905604][ T1924] kernfs_new_node+0x97/0x170 [ 236.910299][ T1924] __kernfs_create_file+0x4a/0x270 [ 236.915396][ T1924] cgroup_addrm_files+0xab8/0xfe0 [ 236.920406][ T1924] ? cgroup_apply_control_enable+0x734/0x12e0 [ 236.926458][ T1924] ? cgroup_apply_control+0x93/0x710 [ 236.931831][ T1924] ? cgroup_subtree_control_write+0xd19/0x1310 [ 236.937979][ T1924] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 236.944312][ T1924] ? delete_node+0x759/0x7b0 [ 236.948943][ T1924] ? __kasan_check_read+0x11/0x20 [ 236.953948][ T1924] ? delete_node+0x759/0x7b0 [ 236.958531][ T1924] ? __kasan_check_write+0x14/0x20 [ 236.963635][ T1924] ? __radix_tree_replace+0x246/0x2e0 [ 236.968999][ T1924] ? idr_get_next+0x4b0/0x4b0 [ 236.973753][ T1924] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 236.978753][ T1924] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 236.983943][ T1924] css_populate_dir+0x137/0x370 [ 236.988787][ T1924] cgroup_apply_control_enable+0x629/0x12e0 [ 236.994656][ T1924] cgroup_apply_control+0x93/0x710 [ 236.999742][ T1924] ? css_next_child+0x160/0x160 [ 237.005541][ T1924] ? io_schedule+0x120/0x120 [ 237.010136][ T1924] ? kernfs_fop_write_iter+0x15e/0x410 [ 237.015582][ T1924] ? __kasan_check_write+0x14/0x20 [ 237.020677][ T1924] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 237.026203][ T1924] cgroup_subtree_control_write+0xd19/0x1310 [ 237.032174][ T1924] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 237.038223][ T1924] ? __kasan_check_write+0x14/0x20 [ 237.043419][ T1924] ? _copy_from_iter+0x3fb/0xd60 [ 237.048334][ T1924] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 237.054310][ T1924] cgroup_file_write+0x28e/0x590 [ 237.059226][ T1924] ? cgroup_seqfile_stop+0xc0/0xc0 [ 237.064313][ T1924] ? mutex_lock+0xa6/0x110 [ 237.068709][ T1924] ? mutex_trylock+0xb0/0xb0 [ 237.073313][ T1924] ? __kasan_check_write+0x14/0x20 [ 237.078402][ T1924] kernfs_fop_write_iter+0x2d0/0x410 [ 237.083662][ T1924] ? cgroup_seqfile_stop+0xc0/0xc0 [ 237.088749][ T1924] vfs_write+0xc1c/0xf40 [ 237.092975][ T1924] ? kernel_write+0x3c0/0x3c0 [ 237.097627][ T1924] ? mutex_trylock+0xb0/0xb0 [ 237.102214][ T1924] ? __fdget_pos+0x26d/0x310 [ 237.106848][ T1924] ? ksys_write+0x77/0x2c0 [ 237.111251][ T1924] ksys_write+0x198/0x2c0 [ 237.115559][ T1924] ? __ia32_sys_read+0x90/0x90 [ 237.120298][ T1924] ? debug_smp_processor_id+0x17/0x20 [ 237.125647][ T1924] __x64_sys_write+0x7b/0x90 [ 237.130223][ T1924] do_syscall_64+0x34/0x70 [ 237.134637][ T1924] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 237.140508][ T1924] RIP: 0033:0x7f5d5b96a0e9 [ 237.144896][ T1924] 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 [ 237.164479][ T1924] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 237.172867][ T1924] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 237.180811][ T1924] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 237.188756][ T1924] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 237.196801][ T1924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 237.204771][ T1924] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 237.213654][ T1924] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 237.220801][ T1924] !!!! control_disable control_disable ss name cpu [ 237.227574][ T1924] !!!! control_disable control_disable ss name memory [ 237.234437][ T1924] !!!! control_disable control_disable ss name pids [ 237.241076][ T1924] !!!! control_disable kill_css(ffff8881108e2400) [ 237.247711][ T1924] !!!! IN kill css_get(ffff8881108e2400) [ 237.253489][ T1924] !!!! IN kill css_get(ffff8881108e2400) [ 237.259247][ T1924] !!!! control_disable control_disable ss name cpu [ 237.265832][ T1924] !!!! control_disable control_disable ss name memory [ 237.272687][ T1924] !!!! control_disable control_disable ss name pids [ 237.279331][ T1924] !!!! control_disable kill_css(ffff888121f0a000) [ 237.285986][ T1924] !!!! IN kill css_get(ffff888121f0a000) [ 237.291644][ C1] !!!! css_killed_ref_fn enqueue(ffff8881108e2400) [ 237.291777][ T1924] !!!! IN kill css_get(ffff888121f0a000) [ 237.303981][ T1924] !!!! control_disable control_disable ss name cpu [ 237.310520][ T1924] !!!! control_disable control_disable ss name memory [ 237.317287][ T1924] !!!! control_disable control_disable ss name pids [ 237.323886][ T1924] !!!! control_disable kill_css(ffff888121f08c00) [ 237.330379][ T1924] !!!! IN kill css_get(ffff888121f08c00) [ 237.336107][ T1924] !!!! IN kill css_get(ffff888121f08c00) [ 237.342011][ T1924] !!!! control_disable control_disable ss name cpu [ 237.348497][ T1924] !!!! control_disable control_disable ss name memory [ 237.355382][ T1924] !!!! control_disable control_disable ss name cpu [ 237.361904][ T1924] !!!! control_disable control_disable ss name memory [ 237.368732][ T1924] !!!! control_disable control_disable ss name cpu [ 237.375235][ T1924] !!!! control_disable control_disable ss name memory [ 237.381991][ T1924] !!!! control_disable control_disable ss name cpu [ 237.388492][ T1924] !!!! control_disable control_disable ss name memory [ 237.395359][ T1924] !!!! control_disable control_disable ss name pids [ 237.401953][ T34] !!!! css_release_work_fn(ffff888114126c00) [ 237.402328][ T1924] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 237.408235][ T34] !!!! css_release_work_fn(ffff8881142e9800) [ 237.421042][ T19] !!!! css_killed_work_fn css_put(ffff8881108e2400) [ 237.421645][ C0] !!!! css_killed_ref_fn enqueue(ffff888121f0a000) [ 237.428804][ T19] !!!! css_release enqueue(ffff8881108e2400) [ 237.435928][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.441165][ T378] !!!! css_release_work_fn(ffff8881108e2400) [ 237.452566][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.455487][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.461638][ C0] !!!! css_killed_ref_fn enqueue(ffff888121f08c00) [ 237.467965][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.477068][ T34] !!!! css_killed_work_fn css_put(ffff888121f0a000) [ 237.482613][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.488945][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.495202][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.509126][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.509552][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.516856][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.522982][ T34] !!!! css_release enqueue(ffff888121f0a000) [ 237.530250][ T378] !!!! css_free_rwork_fn(ffff8881108e2400) [ 237.536615][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.542710][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.549249][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.556393][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.563843][ T34] !!!! css_killed_work_fn css_put(ffff888121f08c00) [ 237.574417][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.578750][ T34] !!!! css_release enqueue(ffff888121f08c00) [ 237.583880][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 237.589642][ T34] !!!! css_free_rwork_fn(ffff888114126c00) [ 237.596785][ T1943] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 237.602371][ T1931] !!!! css_create css ffff888121eaa800 !!!! [ 237.615268][ T34] !!!! css_free_rwork_fn(ffff8881142e9800) [ 237.621248][ T1931] !!!! css_create css ffff888115887400 !!!! [ 237.627754][ T1931] !!!! css_create css ffff888115884800 !!!! [ 237.634402][ T1931] FAULT_INJECTION: forcing a failure. [ 237.634402][ T1931] name failslab, interval 1, probability 0, space 0, times 0 [ 237.647363][ T1931] CPU: 0 PID: 1931 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 237.659083][ T1931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.669135][ T1931] Call Trace: [ 237.672438][ T1931] dump_stack_lvl+0x1e2/0x24b [ 237.677111][ T1931] ? bfq_pos_tree_add_move+0x43e/0x43e [ 237.682556][ T1931] ? find_next_bit+0xd6/0x120 [ 237.687417][ T1931] ? cpumask_next+0x11/0x30 [ 237.692271][ T1931] dump_stack+0x15/0x17 [ 237.696495][ T1931] should_fail+0x3c0/0x510 [ 237.700911][ T1931] ? percpu_ref_init+0xd0/0x330 [ 237.705758][ T1931] __should_failslab+0x9f/0xe0 [ 237.710520][ T1931] should_failslab+0x9/0x20 [ 237.715618][ T1931] kmem_cache_alloc_trace+0x3a/0x330 [ 237.720884][ T1931] percpu_ref_init+0xd0/0x330 [ 237.725545][ T1931] ? cgroup_setup_root+0xea0/0xea0 [ 237.730686][ T1931] cgroup_apply_control_enable+0x734/0x12e0 [ 237.736563][ T1931] cgroup_apply_control+0x93/0x710 [ 237.741661][ T1931] ? css_next_child+0x160/0x160 [ 237.746493][ T1931] ? io_schedule+0x120/0x120 [ 237.751132][ T1931] ? kernfs_fop_write_iter+0x15e/0x410 [ 237.756582][ T1931] ? __kasan_check_write+0x14/0x20 [ 237.761817][ T1931] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 237.767086][ T1931] cgroup_subtree_control_write+0xd19/0x1310 [ 237.773060][ T1931] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 237.779458][ T1931] ? __kasan_check_write+0x14/0x20 [ 237.784553][ T1931] ? _copy_from_iter+0x3fb/0xd60 [ 237.789470][ T1931] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 237.795436][ T1931] cgroup_file_write+0x28e/0x590 [ 237.800365][ T1931] ? cgroup_seqfile_stop+0xc0/0xc0 [ 237.805466][ T1931] ? mutex_lock+0xa6/0x110 [ 237.809951][ T1931] ? mutex_trylock+0xb0/0xb0 [ 237.814527][ T1931] ? __kasan_check_write+0x14/0x20 [ 237.819667][ T1931] kernfs_fop_write_iter+0x2d0/0x410 [ 237.824939][ T1931] ? cgroup_seqfile_stop+0xc0/0xc0 [ 237.830032][ T1931] vfs_write+0xc1c/0xf40 [ 237.834270][ T1931] ? kernel_write+0x3c0/0x3c0 [ 237.838935][ T1931] ? mutex_trylock+0xb0/0xb0 [ 237.843517][ T1931] ? __fdget_pos+0x26d/0x310 [ 237.848089][ T1931] ? ksys_write+0x77/0x2c0 [ 237.852679][ T1931] ksys_write+0x198/0x2c0 [ 237.857101][ T1931] ? __ia32_sys_read+0x90/0x90 [ 237.861846][ T1931] ? debug_smp_processor_id+0x17/0x20 [ 237.867299][ T1931] __x64_sys_write+0x7b/0x90 [ 237.871868][ T1931] do_syscall_64+0x34/0x70 [ 237.876260][ T1931] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 237.882126][ T1931] RIP: 0033:0x7f2fc06ba0e9 [ 237.886518][ T1931] 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 [ 237.906104][ T1931] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 237.914499][ T1931] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 237.922446][ T1931] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 237.930397][ T1931] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 237.938351][ T1931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 237.946314][ T1931] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 237.954637][ T1931] !!!! css_create rcu_enqueue(ffff888115884800) !!!! [ 237.961421][ T1931] !!!! control_disable control_disable ss name cpu [ 237.968051][ T1931] !!!! control_disable control_disable ss name memory [ 237.974961][ T1931] !!!! control_disable control_disable ss name pids [ 237.981777][ T1931] !!!! control_disable kill_css(ffff888121eaa800) [ 237.988408][ T1931] !!!! IN kill css_get(ffff888121eaa800) [ 237.994233][ T19] !!!! css_free_rwork_fn(ffff888115884800) [ 237.994390][ T1931] !!!! IN kill css_get(ffff888121eaa800) [ 238.005893][ T1931] !!!! control_disable control_disable ss name cpu [ 238.012439][ T1931] !!!! control_disable control_disable ss name memory [ 238.019192][ T1931] !!!! control_disable control_disable ss name pids [ 238.025796][ T1931] !!!! control_disable kill_css(ffff888115887400) [ 238.032331][ T1931] !!!! IN kill css_get(ffff888115887400) [ 238.038027][ T1931] !!!! IN kill css_get(ffff888115887400) [ 238.043750][ T1931] !!!! control_disable control_disable ss name cpu [ 238.050241][ T1931] !!!! control_disable control_disable ss name memory [ 238.057002][ T1931] !!!! control_disable control_disable ss name cpu [ 238.063495][ T1931] !!!! control_disable control_disable ss name memory [ 238.070239][ T1931] !!!! control_disable control_disable ss name cpu [ 238.076738][ T1931] !!!! control_disable control_disable ss name memory [ 238.084412][ T1931] !!!! control_disable control_disable ss name cpu [ 238.090887][ T1931] !!!! control_disable control_disable ss name memory [ 238.097648][ T1931] !!!! control_disable control_disable ss name cpu [ 238.104234][ T1931] !!!! control_disable control_disable ss name memory [ 238.110989][ T1931] !!!! control_disable control_disable ss name pids [ 238.117604][ T1931] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 238.124132][ T34] !!!! css_release_work_fn(ffff888121f0a000) [ 238.125312][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.130202][ T34] !!!! css_release_work_fn(ffff888121f08c00) [ 238.137099][ C0] !!!! css_killed_ref_fn enqueue(ffff888121eaa800) [ 238.149086][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.149769][ T34] !!!! css_killed_work_fn css_put(ffff888121eaa800) [ 238.157866][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.163334][ C0] !!!! css_killed_ref_fn enqueue(ffff888115887400) [ 238.164615][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.172267][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.178358][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.194149][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.198290][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.205142][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.212165][ T34] !!!! css_release enqueue(ffff888121eaa800) [ 238.221454][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.225044][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.232384][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.238727][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.245958][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.252364][ T5] !!!! css_killed_work_fn css_put(ffff888115887400) [ 238.262146][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.267593][ T5] !!!! css_release enqueue(ffff888115887400) [ 238.273782][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.278939][ T34] !!!! css_free_rwork_fn(ffff888121f0a000) [ 238.285689][ T1943] !!!! css_create css ffff888121f17000 !!!! [ 238.291736][ T34] !!!! css_free_rwork_fn(ffff888121f08c00) [ 238.297587][ T1943] !!!! css_create css ffff888115a14c00 !!!! [ 238.309247][ T1943] !!!! css_create css ffff888110bc6c00 !!!! [ 238.315427][ T1943] FAULT_INJECTION: forcing a failure. [ 238.315427][ T1943] name failslab, interval 1, probability 0, space 0, times 0 [ 238.328216][ T1943] CPU: 1 PID: 1943 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 238.339817][ T1943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.349851][ T1943] Call Trace: [ 238.353123][ T1943] dump_stack_lvl+0x1e2/0x24b [ 238.357786][ T1943] ? bfq_pos_tree_add_move+0x43e/0x43e [ 238.363234][ T1943] dump_stack+0x15/0x17 [ 238.367374][ T1943] should_fail+0x3c0/0x510 [ 238.371785][ T1943] ? __kernfs_new_node+0x99/0x6e0 [ 238.376809][ T1943] __should_failslab+0x9f/0xe0 [ 238.381557][ T1943] should_failslab+0x9/0x20 [ 238.386135][ T1943] __kmalloc_track_caller+0x5f/0x350 [ 238.391407][ T1943] kstrdup_const+0x55/0x90 [ 238.395815][ T1943] __kernfs_new_node+0x99/0x6e0 [ 238.400642][ T1943] ? stack_trace_save+0x1f0/0x1f0 [ 238.405662][ T1943] ? kernfs_new_node+0x170/0x170 [ 238.410581][ T1943] ? ptr_to_hashval+0x60/0x60 [ 238.415235][ T1943] ? snprintf+0xd6/0x120 [ 238.419451][ T1943] kernfs_new_node+0x97/0x170 [ 238.424117][ T1943] __kernfs_create_file+0x4a/0x270 [ 238.429221][ T1943] cgroup_addrm_files+0xab8/0xfe0 [ 238.434242][ T1943] ? cgroup_apply_control_enable+0x734/0x12e0 [ 238.440299][ T1943] ? cgroup_apply_control+0x93/0x710 [ 238.445564][ T1943] ? cgroup_subtree_control_write+0xd19/0x1310 [ 238.451704][ T1943] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 238.457918][ T1943] ? delete_node+0x759/0x7b0 [ 238.462492][ T1943] ? __kasan_check_read+0x11/0x20 [ 238.469062][ T1943] ? delete_node+0x759/0x7b0 [ 238.475205][ T1943] ? __kasan_check_write+0x14/0x20 [ 238.480299][ T1943] ? __radix_tree_replace+0x246/0x2e0 [ 238.485672][ T1943] ? idr_get_next+0x4b0/0x4b0 [ 238.490343][ T1943] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 238.495353][ T1943] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 238.500548][ T1943] css_populate_dir+0x137/0x370 [ 238.505383][ T1943] cgroup_apply_control_enable+0x629/0x12e0 [ 238.511253][ T1943] cgroup_apply_control+0x93/0x710 [ 238.516340][ T1943] ? css_next_child+0x160/0x160 [ 238.521166][ T1943] ? io_schedule+0x120/0x120 [ 238.525738][ T1943] ? kernfs_fop_write_iter+0x15e/0x410 [ 238.531260][ T1943] ? __kasan_check_write+0x14/0x20 [ 238.536474][ T1943] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 238.541754][ T1943] cgroup_subtree_control_write+0xd19/0x1310 [ 238.547722][ T1943] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 238.553679][ T1943] ? __kasan_check_write+0x14/0x20 [ 238.558766][ T1943] ? _copy_from_iter+0x3fb/0xd60 [ 238.563777][ T1943] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 238.569732][ T1943] cgroup_file_write+0x28e/0x590 [ 238.574645][ T1943] ? cgroup_seqfile_stop+0xc0/0xc0 [ 238.579733][ T1943] ? mutex_lock+0xa6/0x110 [ 238.584125][ T1943] ? mutex_trylock+0xb0/0xb0 [ 238.588705][ T1943] ? __kasan_check_write+0x14/0x20 [ 238.593893][ T1943] kernfs_fop_write_iter+0x2d0/0x410 [ 238.599149][ T1943] ? cgroup_seqfile_stop+0xc0/0xc0 [ 238.604232][ T1943] vfs_write+0xc1c/0xf40 [ 238.608451][ T1943] ? kernel_write+0x3c0/0x3c0 [ 238.613111][ T1943] ? mutex_trylock+0xb0/0xb0 [ 238.617673][ T1943] ? __fdget_pos+0x26d/0x310 [ 238.622235][ T1943] ? ksys_write+0x77/0x2c0 [ 238.626712][ T1943] ksys_write+0x198/0x2c0 [ 238.631014][ T1943] ? __ia32_sys_read+0x90/0x90 [ 238.635769][ T1943] ? debug_smp_processor_id+0x17/0x20 [ 238.641130][ T1943] __x64_sys_write+0x7b/0x90 [ 238.645693][ T1943] do_syscall_64+0x34/0x70 [ 238.650085][ T1943] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 238.655948][ T1943] RIP: 0033:0x7f75104510e9 [ 238.660335][ T1943] 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 [ 238.680524][ T1943] RSP: 002b:00007f75103c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 238.689015][ T1943] RAX: ffffffffffffffda RBX: 00007f7510563f60 RCX: 00007f75104510e9 [ 238.696967][ T1943] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 238.705259][ T1943] RBP: 00007f75103c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 238.713207][ T1943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 238.721164][ T1943] R13: 00007ffd3f2651cf R14: 00007f75103c7300 R15: 0000000000022000 [ 238.729329][ T1943] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 238.736410][ T1943] !!!! control_disable control_disable ss name cpu [ 238.742917][ T1943] !!!! control_disable control_disable ss name memory [ 238.749654][ T1943] !!!! control_disable control_disable ss name pids [ 238.756252][ T1943] !!!! control_disable kill_css(ffff888121f17000) [ 238.762804][ T1943] !!!! IN kill css_get(ffff888121f17000) [ 238.768499][ T1943] !!!! IN kill css_get(ffff888121f17000) [ 238.774291][ T1943] !!!! control_disable control_disable ss name cpu [ 238.780789][ T1943] !!!! control_disable control_disable ss name memory [ 238.787587][ T1943] !!!! control_disable control_disable ss name pids [ 238.794201][ T1943] !!!! control_disable kill_css(ffff888115a14c00) [ 238.800899][ T1943] !!!! IN kill css_get(ffff888115a14c00) [ 238.806641][ T1943] !!!! IN kill css_get(ffff888115a14c00) [ 238.812378][ T1943] !!!! control_disable control_disable ss name cpu [ 238.818855][ T1943] !!!! control_disable control_disable ss name memory [ 238.825621][ T1943] !!!! control_disable control_disable ss name pids [ 238.832229][ T1943] !!!! control_disable kill_css(ffff888110bc6c00) [ 238.838701][ T1943] !!!! IN kill css_get(ffff888110bc6c00) [ 238.844461][ T1943] !!!! IN kill css_get(ffff888110bc6c00) [ 238.850191][ T1943] !!!! control_disable control_disable ss name cpu [ 238.856702][ T1943] !!!! control_disable control_disable ss name memory [ 238.863462][ T1943] !!!! control_disable control_disable ss name cpu [ 238.869938][ T1943] !!!! control_disable control_disable ss name memory [ 238.876704][ T1943] !!!! control_disable control_disable ss name cpu [ 238.883236][ T1943] !!!! control_disable control_disable ss name memory [ 238.889982][ T1943] !!!! control_disable control_disable ss name cpu [ 238.896584][ T1943] !!!! control_disable control_disable ss name memory [ 238.903357][ C1] !!!! css_killed_ref_fn enqueue(ffff888121f17000) [ 238.903381][ C1] !!!! css_killed_ref_fn enqueue(ffff888115a14c00) [ 238.916544][ T1943] !!!! control_disable control_disable ss name pids [ 238.923233][ T34] !!!! css_release_work_fn(ffff888121eaa800) [ 238.923298][ T1943] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 238.930466][ T34] !!!! css_release_work_fn(ffff888115887400) [ 238.935933][ C1] !!!! css_killed_ref_fn enqueue(ffff888110bc6c00) [ 238.948599][ T19] !!!! css_killed_work_fn css_put(ffff888121f17000) [ 238.949783][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.958925][ T19] !!!! css_release enqueue(ffff888121f17000) [ 238.962520][ T372] !!!! css_free_rwork_fn(ffff888121eaa800) [ 238.968497][ T378] !!!! css_killed_work_fn css_put(ffff888115a14c00) [ 238.975565][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.985987][ T378] !!!! css_release enqueue(ffff888115a14c00) [ 238.989251][ T372] !!!! css_free_rwork_fn(ffff888115887400) [ 238.996723][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 238.999980][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.006703][ T435] !!!! css_killed_work_fn css_put(ffff888110bc6c00) [ 239.014311][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.021704][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.027935][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.038134][ T435] !!!! css_release enqueue(ffff888110bc6c00) [ 239.041913][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.047445][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.054734][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.060888][ T435] !!!! css_release_work_fn(ffff888121f17000) [ 239.068828][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.077513][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.081068][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.087627][ T1929] !!!! css_create css ffff888113624800 !!!! [ 239.094795][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.100375][ T1929] !!!! css_create css ffff888113626800 !!!! [ 239.107695][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.113413][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.120045][ T1929] !!!! css_create css ffff88811080d400 !!!! [ 239.132539][ T1929] FAULT_INJECTION: forcing a failure. [ 239.132539][ T1929] name failslab, interval 1, probability 0, space 0, times 0 [ 239.145139][ T1929] CPU: 0 PID: 1929 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 239.156778][ T1929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.166812][ T1929] Call Trace: [ 239.170091][ T1929] dump_stack_lvl+0x1e2/0x24b [ 239.174768][ T1929] ? bfq_pos_tree_add_move+0x43e/0x43e [ 239.180210][ T1929] dump_stack+0x15/0x17 [ 239.184430][ T1929] should_fail+0x3c0/0x510 [ 239.188829][ T1929] ? __kernfs_new_node+0x99/0x6e0 [ 239.193831][ T1929] __should_failslab+0x9f/0xe0 [ 239.198659][ T1929] should_failslab+0x9/0x20 [ 239.203223][ T1929] __kmalloc_track_caller+0x5f/0x350 [ 239.208497][ T1929] kstrdup_const+0x55/0x90 [ 239.212892][ T1929] __kernfs_new_node+0x99/0x6e0 [ 239.217715][ T1929] ? stack_trace_save+0x1f0/0x1f0 [ 239.222711][ T1929] ? kernfs_new_node+0x170/0x170 [ 239.227694][ T1929] ? ptr_to_hashval+0x60/0x60 [ 239.232352][ T1929] ? snprintf+0xd6/0x120 [ 239.236656][ T1929] kernfs_new_node+0x97/0x170 [ 239.241303][ T1929] __kernfs_create_file+0x4a/0x270 [ 239.246389][ T1929] cgroup_addrm_files+0xab8/0xfe0 [ 239.251401][ T1929] ? cgroup_apply_control_enable+0x734/0x12e0 [ 239.257439][ T1929] ? cgroup_apply_control+0x93/0x710 [ 239.262694][ T1929] ? cgroup_subtree_control_write+0xd19/0x1310 [ 239.268819][ T1929] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 239.274944][ T1929] ? delete_node+0x759/0x7b0 [ 239.279509][ T1929] ? __kasan_check_read+0x11/0x20 [ 239.284511][ T1929] ? delete_node+0x759/0x7b0 [ 239.289079][ T1929] ? __kasan_check_write+0x14/0x20 [ 239.294240][ T1929] ? __radix_tree_replace+0x246/0x2e0 [ 239.299586][ T1929] ? idr_get_next+0x4b0/0x4b0 [ 239.304341][ T1929] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 239.309350][ T1929] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 239.314528][ T1929] css_populate_dir+0x137/0x370 [ 239.319355][ T1929] cgroup_apply_control_enable+0x629/0x12e0 [ 239.325222][ T1929] cgroup_apply_control+0x93/0x710 [ 239.330320][ T1929] ? css_next_child+0x160/0x160 [ 239.335235][ T1929] ? io_schedule+0x120/0x120 [ 239.339798][ T1929] ? kernfs_fop_write_iter+0x15e/0x410 [ 239.345232][ T1929] ? __kasan_check_write+0x14/0x20 [ 239.350315][ T1929] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 239.355585][ T1929] cgroup_subtree_control_write+0xd19/0x1310 [ 239.361554][ T1929] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 239.367509][ T1929] ? __kasan_check_write+0x14/0x20 [ 239.372599][ T1929] ? _copy_from_iter+0x3fb/0xd60 [ 239.377513][ T1929] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 239.383464][ T1929] cgroup_file_write+0x28e/0x590 [ 239.388491][ T1929] ? cgroup_seqfile_stop+0xc0/0xc0 [ 239.393574][ T1929] ? mutex_lock+0xa6/0x110 [ 239.397962][ T1929] ? mutex_trylock+0xb0/0xb0 [ 239.402527][ T1929] ? __kasan_check_write+0x14/0x20 [ 239.407611][ T1929] kernfs_fop_write_iter+0x2d0/0x410 [ 239.412871][ T1929] ? cgroup_seqfile_stop+0xc0/0xc0 [ 239.417954][ T1929] vfs_write+0xc1c/0xf40 [ 239.422167][ T1929] ? kernel_write+0x3c0/0x3c0 [ 239.426817][ T1929] ? mutex_trylock+0xb0/0xb0 [ 239.431380][ T1929] ? __fdget_pos+0x26d/0x310 [ 239.436808][ T1929] ? ksys_write+0x77/0x2c0 [ 239.441195][ T1929] ksys_write+0x198/0x2c0 [ 239.445496][ T1929] ? __ia32_sys_read+0x90/0x90 [ 239.450237][ T1929] ? debug_smp_processor_id+0x17/0x20 [ 239.455597][ T1929] __x64_sys_write+0x7b/0x90 [ 239.460164][ T1929] do_syscall_64+0x34/0x70 [ 239.464554][ T1929] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 239.470418][ T1929] RIP: 0033:0x7fccade130e9 [ 239.474805][ T1929] 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 [ 239.494382][ T1929] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 239.502771][ T1929] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 239.510725][ T1929] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 239.518685][ T1929] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 239.526656][ T1929] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 239.534609][ T1929] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 239.543596][ T1929] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 239.550879][ T1929] !!!! control_disable control_disable ss name cpu [ 239.557615][ T1929] !!!! control_disable control_disable ss name memory [ 239.564494][ T1929] !!!! control_disable control_disable ss name pids [ 239.571161][ T1929] !!!! control_disable kill_css(ffff888113624800) [ 239.577861][ T1929] !!!! IN kill css_get(ffff888113624800) [ 239.583606][ T1929] !!!! IN kill css_get(ffff888113624800) [ 239.589415][ T1929] !!!! control_disable control_disable ss name cpu [ 239.596031][ T1929] !!!! control_disable control_disable ss name memory [ 239.602838][ T1929] !!!! control_disable control_disable ss name pids [ 239.609513][ T1929] !!!! control_disable kill_css(ffff888113626800) [ 239.616518][ T1929] !!!! IN kill css_get(ffff888113626800) [ 239.622345][ T1929] !!!! IN kill css_get(ffff888113626800) [ 239.628120][ T1929] !!!! control_disable control_disable ss name cpu [ 239.634659][ T1929] !!!! control_disable control_disable ss name memory [ 239.641432][ T1929] !!!! control_disable control_disable ss name pids [ 239.648172][ T1929] !!!! control_disable kill_css(ffff88811080d400) [ 239.654675][ T1929] !!!! IN kill css_get(ffff88811080d400) [ 239.660376][ T1929] !!!! IN kill css_get(ffff88811080d400) [ 239.666143][ T1929] !!!! control_disable control_disable ss name cpu [ 239.672664][ T1929] !!!! control_disable control_disable ss name memory [ 239.679532][ T1929] !!!! control_disable control_disable ss name cpu [ 239.686296][ T1929] !!!! control_disable control_disable ss name memory [ 239.693220][ T1929] !!!! control_disable control_disable ss name cpu [ 239.699796][ T1929] !!!! control_disable control_disable ss name memory [ 239.706605][ C0] !!!! css_killed_ref_fn enqueue(ffff888113624800) [ 239.713259][ T1929] !!!! control_disable control_disable ss name cpu [ 239.719773][ T1929] !!!! control_disable control_disable ss name memory [ 239.726759][ T1929] !!!! control_disable control_disable ss name pids [ 239.733362][ C0] !!!! css_killed_ref_fn enqueue(ffff888113626800) [ 239.733381][ C0] !!!! css_killed_ref_fn enqueue(ffff88811080d400) [ 239.746571][ T1929] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 239.746699][ T435] !!!! css_release_work_fn(ffff888115a14c00) [ 239.762793][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.766962][ T435] !!!! css_release_work_fn(ffff888110bc6c00) [ 239.769995][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.776127][ T435] !!!! css_free_rwork_fn(ffff888121f17000) [ 239.782805][ T34] !!!! css_killed_work_fn css_put(ffff888113624800) [ 239.789247][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.795402][ T34] !!!! css_release enqueue(ffff888113624800) [ 239.803091][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.809161][ T34] !!!! css_killed_work_fn css_put(ffff888113626800) [ 239.822103][ T34] !!!! css_release enqueue(ffff888113626800) [ 239.828173][ T34] !!!! css_killed_work_fn css_put(ffff88811080d400) [ 239.834978][ T34] !!!! css_release enqueue(ffff88811080d400) [ 239.841112][ T1964] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 239.841438][ T1975] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 239.847708][ T1970] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 239.847948][ T1970] !!!! css_create css ffff88811080d800 !!!! [ 239.856572][ T435] !!!! css_free_rwork_fn(ffff888115a14c00) [ 239.861691][ T1970] !!!! css_create css ffff8881150f3c00 !!!! [ 239.869299][ T19] !!!! css_free_rwork_fn(ffff888110bc6c00) [ 239.873842][ T1970] !!!! css_create css ffff8881150f0c00 !!!! [ 239.880919][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.887469][ T1970] FAULT_INJECTION: forcing a failure. [ 239.887469][ T1970] name failslab, interval 1, probability 0, space 0, times 0 [ 239.893802][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.899791][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.911397][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.920117][ T1970] CPU: 0 PID: 1970 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 239.927267][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.932056][ T1970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.932108][ T1970] Call Trace: [ 239.932134][ T1970] dump_stack_lvl+0x1e2/0x24b [ 239.961916][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.964057][ T1970] ? bfq_pos_tree_add_move+0x43e/0x43e [ 239.964068][ T1970] dump_stack+0x15/0x17 [ 239.964089][ T1970] should_fail+0x3c0/0x510 [ 239.969037][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.975592][ T1970] ? __kernfs_new_node+0x99/0x6e0 [ 239.975603][ T1970] __should_failslab+0x9f/0xe0 [ 239.975612][ T1970] should_failslab+0x9/0x20 [ 239.975622][ T1970] __kmalloc_track_caller+0x5f/0x350 [ 239.975631][ T1970] kstrdup_const+0x55/0x90 [ 239.975639][ T1970] __kernfs_new_node+0x99/0x6e0 [ 239.975659][ T1970] ? stack_trace_save+0x1f0/0x1f0 [ 239.983164][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 239.985936][ T1970] ? kernfs_new_node+0x170/0x170 [ 239.985949][ T1970] ? ptr_to_hashval+0x60/0x60 [ 239.985959][ T1970] ? snprintf+0xd6/0x120 [ 239.985977][ T1970] ? debug_smp_processor_id+0x17/0x20 [ 240.057615][ T1970] kernfs_new_node+0x97/0x170 [ 240.062316][ T1970] __kernfs_create_file+0x4a/0x270 [ 240.067406][ T1970] cgroup_addrm_files+0xab8/0xfe0 [ 240.072414][ T1970] ? cgroup_apply_control_enable+0x734/0x12e0 [ 240.078545][ T1970] ? cgroup_apply_control+0x93/0x710 [ 240.083809][ T1970] ? cgroup_subtree_control_write+0xd19/0x1310 [ 240.089940][ T1970] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 240.096071][ T1970] ? delete_node+0x759/0x7b0 [ 240.100640][ T1970] ? __kasan_check_read+0x11/0x20 [ 240.105649][ T1970] ? delete_node+0x759/0x7b0 [ 240.110215][ T1970] ? __kasan_check_write+0x14/0x20 [ 240.115301][ T1970] ? __radix_tree_replace+0x246/0x2e0 [ 240.120666][ T1970] ? idr_get_next+0x4b0/0x4b0 [ 240.125326][ T1970] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 240.130327][ T1970] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 240.135502][ T1970] css_populate_dir+0x137/0x370 [ 240.140334][ T1970] cgroup_apply_control_enable+0x629/0x12e0 [ 240.146465][ T1970] cgroup_apply_control+0x93/0x710 [ 240.151567][ T1970] ? css_next_child+0x160/0x160 [ 240.156399][ T1970] ? io_schedule+0x120/0x120 [ 240.160980][ T1970] ? kernfs_fop_write_iter+0x15e/0x410 [ 240.166414][ T1970] ? __kasan_check_write+0x14/0x20 [ 240.171674][ T1970] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 240.177113][ T1970] cgroup_subtree_control_write+0xd19/0x1310 [ 240.183173][ T1970] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 240.189129][ T1970] ? __kasan_check_write+0x14/0x20 [ 240.194231][ T1970] ? _copy_from_iter+0x3fb/0xd60 [ 240.199143][ T1970] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 240.205273][ T1970] cgroup_file_write+0x28e/0x590 [ 240.210185][ T1970] ? cgroup_seqfile_stop+0xc0/0xc0 [ 240.215301][ T1970] ? mutex_lock+0xa6/0x110 [ 240.219693][ T1970] ? mutex_trylock+0xb0/0xb0 [ 240.224261][ T1970] ? __kasan_check_write+0x14/0x20 [ 240.229361][ T1970] kernfs_fop_write_iter+0x2d0/0x410 [ 240.234636][ T1970] ? cgroup_seqfile_stop+0xc0/0xc0 [ 240.239724][ T1970] vfs_write+0xc1c/0xf40 [ 240.243943][ T1970] ? kernel_write+0x3c0/0x3c0 [ 240.248598][ T1970] ? mutex_trylock+0xb0/0xb0 [ 240.253290][ T1970] ? __fdget_pos+0x26d/0x310 [ 240.257875][ T1970] ? ksys_write+0x77/0x2c0 [ 240.262270][ T1970] ksys_write+0x198/0x2c0 [ 240.266578][ T1970] ? __ia32_sys_read+0x90/0x90 [ 240.271408][ T1970] ? debug_smp_processor_id+0x17/0x20 [ 240.276753][ T1970] __x64_sys_write+0x7b/0x90 [ 240.281321][ T1970] do_syscall_64+0x34/0x70 [ 240.285716][ T1970] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 240.291580][ T1970] RIP: 0033:0x7f5d5b96a0e9 [ 240.295976][ T1970] 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 [ 240.315558][ T1970] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 240.323977][ T1970] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 240.332023][ T1970] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 240.339985][ T1970] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 240.347931][ T1970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 240.355883][ T1970] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 240.366033][ T1970] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 240.373166][ T1970] !!!! control_disable control_disable ss name cpu [ 240.379742][ T1970] !!!! control_disable control_disable ss name memory [ 240.386726][ T1970] !!!! control_disable control_disable ss name pids [ 240.393490][ T1970] !!!! control_disable kill_css(ffff88811080d800) [ 240.400063][ T1970] !!!! IN kill css_get(ffff88811080d800) [ 240.405857][ T1970] !!!! IN kill css_get(ffff88811080d800) [ 240.411570][ T1970] !!!! control_disable control_disable ss name cpu [ 240.418110][ T1970] !!!! control_disable control_disable ss name memory [ 240.424962][ T1970] !!!! control_disable control_disable ss name pids [ 240.431529][ T1970] !!!! control_disable kill_css(ffff8881150f3c00) [ 240.438808][ T1970] !!!! IN kill css_get(ffff8881150f3c00) [ 240.444523][ T1970] !!!! IN kill css_get(ffff8881150f3c00) [ 240.450224][ T1970] !!!! control_disable control_disable ss name cpu [ 240.456740][ T1970] !!!! control_disable control_disable ss name memory [ 240.463511][ T1970] !!!! control_disable control_disable ss name pids [ 240.470158][ T1970] !!!! control_disable kill_css(ffff8881150f0c00) [ 240.476654][ T1970] !!!! IN kill css_get(ffff8881150f0c00) [ 240.482386][ T1970] !!!! IN kill css_get(ffff8881150f0c00) [ 240.488095][ T1970] !!!! control_disable control_disable ss name cpu [ 240.494604][ T1970] !!!! control_disable control_disable ss name memory [ 240.501348][ T1970] !!!! control_disable control_disable ss name cpu [ 240.507850][ T1970] !!!! control_disable control_disable ss name memory [ 240.514622][ T1970] !!!! control_disable control_disable ss name cpu [ 240.521108][ T1970] !!!! control_disable control_disable ss name memory 2022/06/08 04:03:51 executed programs: 546 [ 240.527897][ T1970] !!!! control_disable control_disable ss name cpu [ 240.534483][ T1970] !!!! control_disable control_disable ss name memory [ 240.541224][ T1970] !!!! control_disable control_disable ss name pids [ 240.547857][ T34] !!!! css_release_work_fn(ffff888113624800) [ 240.551663][ T1970] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 240.554031][ C0] !!!! css_killed_ref_fn enqueue(ffff88811080d800) [ 240.554188][ T34] !!!! css_release_work_fn(ffff888113626800) [ 240.573220][ C0] !!!! css_killed_ref_fn enqueue(ffff8881150f3c00) [ 240.573242][ C0] !!!! css_killed_ref_fn enqueue(ffff8881150f0c00) [ 240.586817][ T372] !!!! css_release_work_fn(ffff88811080d400) [ 240.592043][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.593240][ T372] !!!! css_killed_work_fn css_put(ffff88811080d800) [ 240.600530][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.607280][ T372] !!!! css_release enqueue(ffff88811080d800) [ 240.614637][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.620494][ T5] !!!! css_killed_work_fn css_put(ffff8881150f3c00) [ 240.630580][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.634252][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.644030][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.647188][ T5] !!!! css_release enqueue(ffff8881150f3c00) [ 240.655098][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.660968][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.668386][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.674628][ T5] !!!! css_killed_work_fn css_put(ffff8881150f0c00) [ 240.682579][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.688422][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.701858][ T5] !!!! css_release enqueue(ffff8881150f0c00) [ 240.708004][ T1975] !!!! css_create css ffff888110bd5400 !!!! [ 240.713961][ T5] !!!! css_free_rwork_fn(ffff888113624800) [ 240.720252][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 240.721749][ T1975] !!!! css_create css ffff8881160dd000 !!!! [ 240.733834][ T1975] !!!! css_create css ffff888116299c00 !!!! [ 240.739827][ T1975] FAULT_INJECTION: forcing a failure. [ 240.739827][ T1975] name failslab, interval 1, probability 0, space 0, times 0 [ 240.753212][ T1975] CPU: 1 PID: 1975 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 240.764822][ T1975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.774962][ T1975] Call Trace: [ 240.778253][ T1975] dump_stack_lvl+0x1e2/0x24b [ 240.782927][ T1975] ? bfq_pos_tree_add_move+0x43e/0x43e [ 240.788389][ T1975] ? serial8250_console_write+0xae0/0xe60 [ 240.794086][ T1975] ? record_print_text+0x266/0x420 [ 240.799189][ T1975] dump_stack+0x15/0x17 [ 240.803393][ T1975] should_fail+0x3c0/0x510 [ 240.807805][ T1975] ? __kernfs_new_node+0x99/0x6e0 [ 240.812819][ T1975] __should_failslab+0x9f/0xe0 [ 240.817575][ T1975] should_failslab+0x9/0x20 [ 240.822068][ T1975] __kmalloc_track_caller+0x5f/0x350 [ 240.827333][ T1975] kstrdup_const+0x55/0x90 [ 240.831728][ T1975] __kernfs_new_node+0x99/0x6e0 [ 240.836552][ T1975] ? stack_trace_save+0x1f0/0x1f0 [ 240.841553][ T1975] ? kernfs_new_node+0x170/0x170 [ 240.846480][ T1975] ? ptr_to_hashval+0x60/0x60 [ 240.851132][ T1975] ? snprintf+0xd6/0x120 [ 240.855360][ T1975] kernfs_new_node+0x97/0x170 [ 240.860066][ T1975] __kernfs_create_file+0x4a/0x270 [ 240.865159][ T1975] cgroup_addrm_files+0xab8/0xfe0 [ 240.870205][ T1975] ? cgroup_apply_control_enable+0x734/0x12e0 [ 240.876261][ T1975] ? cgroup_apply_control+0x93/0x710 [ 240.883010][ T1975] ? cgroup_subtree_control_write+0xd19/0x1310 [ 240.889149][ T1975] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 240.895294][ T1975] ? delete_node+0x759/0x7b0 [ 240.899868][ T1975] ? __kasan_check_read+0x11/0x20 [ 240.904863][ T1975] ? delete_node+0x759/0x7b0 [ 240.909432][ T1975] ? __kasan_check_write+0x14/0x20 [ 240.914524][ T1975] ? __radix_tree_replace+0x246/0x2e0 [ 240.920100][ T1975] ? idr_get_next+0x4b0/0x4b0 [ 240.924751][ T1975] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 240.929758][ T1975] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 240.934939][ T1975] css_populate_dir+0x137/0x370 [ 240.939866][ T1975] cgroup_apply_control_enable+0x629/0x12e0 [ 240.945741][ T1975] cgroup_apply_control+0x93/0x710 [ 240.950836][ T1975] ? css_next_child+0x160/0x160 [ 240.955669][ T1975] ? io_schedule+0x120/0x120 [ 240.960245][ T1975] ? kernfs_fop_write_iter+0x15e/0x410 [ 240.965696][ T1975] ? __kasan_check_write+0x14/0x20 [ 240.970794][ T1975] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 240.976067][ T1975] cgroup_subtree_control_write+0xd19/0x1310 [ 240.982047][ T1975] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 240.988011][ T1975] ? __kasan_check_write+0x14/0x20 [ 240.993479][ T1975] ? _copy_from_iter+0x3fb/0xd60 [ 240.998397][ T1975] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 241.004360][ T1975] cgroup_file_write+0x28e/0x590 [ 241.009282][ T1975] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.014369][ T1975] ? mutex_lock+0xa6/0x110 [ 241.018759][ T1975] ? mutex_trylock+0xb0/0xb0 [ 241.023591][ T1975] ? __kasan_check_write+0x14/0x20 [ 241.028679][ T1975] kernfs_fop_write_iter+0x2d0/0x410 [ 241.034048][ T1975] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.039164][ T1975] vfs_write+0xc1c/0xf40 [ 241.043382][ T1975] ? kernel_write+0x3c0/0x3c0 [ 241.048032][ T1975] ? mutex_trylock+0xb0/0xb0 [ 241.052602][ T1975] ? __fdget_pos+0x26d/0x310 [ 241.057172][ T1975] ? ksys_write+0x77/0x2c0 [ 241.061580][ T1975] ksys_write+0x198/0x2c0 [ 241.065890][ T1975] ? __ia32_sys_read+0x90/0x90 [ 241.070652][ T1975] ? debug_smp_processor_id+0x17/0x20 [ 241.076002][ T1975] __x64_sys_write+0x7b/0x90 [ 241.080581][ T1975] do_syscall_64+0x34/0x70 [ 241.084972][ T1975] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 241.090866][ T1975] RIP: 0033:0x7fccade130e9 [ 241.095351][ T1975] 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 [ 241.115018][ T1975] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 241.123418][ T1975] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 241.131363][ T1975] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 241.139308][ T1975] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 241.147340][ T1975] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 241.155286][ T1975] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 241.163400][ T1975] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 241.170558][ T1975] !!!! control_disable control_disable ss name cpu [ 241.177258][ T1975] !!!! control_disable control_disable ss name memory [ 241.184164][ T1975] !!!! control_disable control_disable ss name pids [ 241.190828][ T1975] !!!! control_disable kill_css(ffff888110bd5400) [ 241.197501][ T1975] !!!! IN kill css_get(ffff888110bd5400) [ 241.203349][ T1975] !!!! IN kill css_get(ffff888110bd5400) [ 241.209133][ T1975] !!!! control_disable control_disable ss name cpu [ 241.215757][ T1975] !!!! control_disable control_disable ss name memory [ 241.222630][ T1975] !!!! control_disable control_disable ss name pids [ 241.229265][ T1975] !!!! control_disable kill_css(ffff8881160dd000) [ 241.235989][ T1975] !!!! IN kill css_get(ffff8881160dd000) [ 241.241645][ C0] !!!! css_killed_ref_fn enqueue(ffff888110bd5400) [ 241.241926][ T1975] !!!! IN kill css_get(ffff8881160dd000) [ 241.254026][ T1975] !!!! control_disable control_disable ss name cpu [ 241.260647][ T1975] !!!! control_disable control_disable ss name memory [ 241.267439][ T1975] !!!! control_disable control_disable ss name pids [ 241.274057][ T1975] !!!! control_disable kill_css(ffff888116299c00) [ 241.280623][ T1975] !!!! IN kill css_get(ffff888116299c00) [ 241.286570][ T1975] !!!! IN kill css_get(ffff888116299c00) [ 241.292576][ T1975] !!!! control_disable control_disable ss name cpu [ 241.299126][ T1975] !!!! control_disable control_disable ss name memory [ 241.305911][ C1] !!!! css_killed_ref_fn enqueue(ffff8881160dd000) [ 241.312542][ T1975] !!!! control_disable control_disable ss name cpu [ 241.319026][ T1975] !!!! control_disable control_disable ss name memory [ 241.325818][ T1975] !!!! control_disable control_disable ss name cpu [ 241.332335][ C1] !!!! css_killed_ref_fn enqueue(ffff888116299c00) [ 241.338927][ T1975] !!!! control_disable control_disable ss name memory [ 241.345696][ T1975] !!!! control_disable control_disable ss name cpu [ 241.352442][ T1975] !!!! control_disable control_disable ss name memory [ 241.359184][ T1975] !!!! control_disable control_disable ss name pids [ 241.365815][ T1975] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 241.366381][ T5] !!!! css_release_work_fn(ffff88811080d800) [ 241.378693][ T5] !!!! css_free_rwork_fn(ffff888113626800) [ 241.378714][ T435] !!!! css_killed_work_fn css_put(ffff8881160dd000) [ 241.385240][ T5] !!!! css_free_rwork_fn(ffff88811080d400) [ 241.391319][ T435] !!!! css_release enqueue(ffff8881160dd000) [ 241.399244][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.407459][ T435] !!!! css_killed_work_fn css_put(ffff888116299c00) [ 241.410563][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.417063][ T435] !!!! css_release enqueue(ffff888116299c00) [ 241.425775][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.435253][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.436667][ T5] !!!! css_release_work_fn(ffff8881150f3c00) [ 241.448661][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.449723][ T34] !!!! css_release_work_fn(ffff8881150f0c00) [ 241.457710][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.463634][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.470261][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.477205][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.483889][ T19] !!!! css_release_work_fn(ffff8881160dd000) [ 241.491100][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.497558][ T19] !!!! css_release_work_fn(ffff888116299c00) [ 241.507545][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.516531][ T34] !!!! css_killed_work_fn css_put(ffff888110bd5400) [ 241.517563][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 241.523275][ T34] !!!! css_release enqueue(ffff888110bd5400) [ 241.536371][ T1994] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 241.536625][ T19] !!!! css_free_rwork_fn(ffff8881160dd000) [ 241.543034][ T1985] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 241.549027][ T19] !!!! css_free_rwork_fn(ffff888116299c00) [ 241.555669][ T1996] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 241.561791][ T1992] !!!! css_create css ffff888110f90400 !!!! [ 241.567969][ T34] !!!! css_free_rwork_fn(ffff88811080d800) [ 241.578546][ T1992] !!!! css_create css ffff888110f91400 !!!! [ 241.580128][ T34] !!!! css_free_rwork_fn(ffff8881150f3c00) [ 241.585788][ T1992] !!!! css_create css ffff888110f93000 !!!! [ 241.591856][ T34] !!!! css_free_rwork_fn(ffff8881150f0c00) [ 241.597763][ T1992] FAULT_INJECTION: forcing a failure. [ 241.597763][ T1992] name failslab, interval 1, probability 0, space 0, times 0 [ 241.616370][ T1992] CPU: 1 PID: 1992 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 241.628028][ T1992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.638062][ T1992] Call Trace: [ 241.641336][ T1992] dump_stack_lvl+0x1e2/0x24b [ 241.645990][ T1992] ? bfq_pos_tree_add_move+0x43e/0x43e [ 241.651436][ T1992] dump_stack+0x15/0x17 [ 241.655569][ T1992] should_fail+0x3c0/0x510 [ 241.660010][ T1992] ? __kernfs_new_node+0x99/0x6e0 [ 241.665026][ T1992] __should_failslab+0x9f/0xe0 [ 241.669778][ T1992] should_failslab+0x9/0x20 [ 241.674257][ T1992] __kmalloc_track_caller+0x5f/0x350 [ 241.679519][ T1992] kstrdup_const+0x55/0x90 [ 241.683912][ T1992] __kernfs_new_node+0x99/0x6e0 [ 241.688734][ T1992] ? stack_trace_save+0x1f0/0x1f0 [ 241.693731][ T1992] ? kernfs_new_node+0x170/0x170 [ 241.698644][ T1992] ? ptr_to_hashval+0x60/0x60 [ 241.703381][ T1992] ? snprintf+0xd6/0x120 [ 241.707612][ T1992] ? debug_smp_processor_id+0x17/0x20 [ 241.712980][ T1992] kernfs_new_node+0x97/0x170 [ 241.717641][ T1992] __kernfs_create_file+0x4a/0x270 [ 241.722762][ T1992] cgroup_addrm_files+0xab8/0xfe0 [ 241.727780][ T1992] ? cgroup_apply_control_enable+0x734/0x12e0 [ 241.733938][ T1992] ? cgroup_apply_control+0x93/0x710 [ 241.739204][ T1992] ? cgroup_subtree_control_write+0xd19/0x1310 [ 241.745340][ T1992] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 241.751479][ T1992] ? delete_node+0x759/0x7b0 [ 241.756048][ T1992] ? __kasan_check_read+0x11/0x20 [ 241.761047][ T1992] ? delete_node+0x759/0x7b0 [ 241.765617][ T1992] ? __kasan_check_write+0x14/0x20 [ 241.770705][ T1992] ? __radix_tree_replace+0x246/0x2e0 [ 241.776068][ T1992] ? idr_get_next+0x4b0/0x4b0 [ 241.780817][ T1992] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 241.785836][ T1992] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 241.791022][ T1992] css_populate_dir+0x137/0x370 [ 241.795946][ T1992] cgroup_apply_control_enable+0x629/0x12e0 [ 241.801820][ T1992] cgroup_apply_control+0x93/0x710 [ 241.806915][ T1992] ? css_next_child+0x160/0x160 [ 241.811747][ T1992] ? io_schedule+0x120/0x120 [ 241.816328][ T1992] ? kernfs_fop_write_iter+0x15e/0x410 [ 241.821773][ T1992] ? __kasan_check_write+0x14/0x20 [ 241.826861][ T1992] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 241.832127][ T1992] cgroup_subtree_control_write+0xd19/0x1310 [ 241.838094][ T1992] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 241.844071][ T1992] ? __kasan_check_write+0x14/0x20 [ 241.849167][ T1992] ? _copy_from_iter+0x3fb/0xd60 [ 241.854104][ T1992] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 241.860189][ T1992] cgroup_file_write+0x28e/0x590 [ 241.865114][ T1992] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.870199][ T1992] ? mutex_lock+0xa6/0x110 [ 241.874587][ T1992] ? mutex_trylock+0xb0/0xb0 [ 241.879149][ T1992] ? __kasan_check_write+0x14/0x20 [ 241.884346][ T1992] kernfs_fop_write_iter+0x2d0/0x410 [ 241.889719][ T1992] ? cgroup_seqfile_stop+0xc0/0xc0 [ 241.894809][ T1992] vfs_write+0xc1c/0xf40 [ 241.899045][ T1992] ? kernel_write+0x3c0/0x3c0 [ 241.903698][ T1992] ? mutex_trylock+0xb0/0xb0 [ 241.908286][ T1992] ? __fdget_pos+0x26d/0x310 [ 241.912851][ T1992] ? ksys_write+0x77/0x2c0 [ 241.917241][ T1992] ksys_write+0x198/0x2c0 [ 241.921552][ T1992] ? __ia32_sys_read+0x90/0x90 [ 241.926308][ T1992] ? debug_smp_processor_id+0x17/0x20 [ 241.931675][ T1992] __x64_sys_write+0x7b/0x90 [ 241.936260][ T1992] do_syscall_64+0x34/0x70 [ 241.940751][ T1992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 241.946624][ T1992] RIP: 0033:0x7f5d5b96a0e9 [ 241.951013][ T1992] 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 [ 241.970776][ T1992] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 241.979179][ T1992] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 241.987134][ T1992] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 241.995103][ T1992] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 242.003051][ T1992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 242.011000][ T1992] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 242.019315][ T1992] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 242.026409][ T1992] !!!! control_disable control_disable ss name cpu [ 242.032957][ T1992] !!!! control_disable control_disable ss name memory [ 242.039838][ T1992] !!!! control_disable control_disable ss name pids [ 242.046474][ T1992] !!!! control_disable kill_css(ffff888110f90400) [ 242.053010][ T1992] !!!! IN kill css_get(ffff888110f90400) [ 242.058708][ T1992] !!!! IN kill css_get(ffff888110f90400) [ 242.064459][ T1992] !!!! control_disable control_disable ss name cpu [ 242.070974][ T1992] !!!! control_disable control_disable ss name memory [ 242.077748][ T1992] !!!! control_disable control_disable ss name pids [ 242.084339][ T1992] !!!! control_disable kill_css(ffff888110f91400) [ 242.090841][ T1992] !!!! IN kill css_get(ffff888110f91400) [ 242.097148][ T1992] !!!! IN kill css_get(ffff888110f91400) [ 242.102875][ T1992] !!!! control_disable control_disable ss name cpu [ 242.109437][ T1992] !!!! control_disable control_disable ss name memory [ 242.116202][ T1992] !!!! control_disable control_disable ss name pids [ 242.122805][ T1992] !!!! control_disable kill_css(ffff888110f93000) [ 242.129278][ T1992] !!!! IN kill css_get(ffff888110f93000) [ 242.134995][ T1992] !!!! IN kill css_get(ffff888110f93000) [ 242.140708][ T1992] !!!! control_disable control_disable ss name cpu [ 242.147231][ T1992] !!!! control_disable control_disable ss name memory [ 242.153999][ T1992] !!!! control_disable control_disable ss name cpu [ 242.160481][ T1992] !!!! control_disable control_disable ss name memory [ 242.167249][ T1992] !!!! control_disable control_disable ss name cpu [ 242.173752][ T1992] !!!! control_disable control_disable ss name memory [ 242.180494][ T1992] !!!! control_disable control_disable ss name cpu [ 242.186996][ T1992] !!!! control_disable control_disable ss name memory [ 242.193768][ T1992] !!!! control_disable control_disable ss name pids [ 242.200348][ T1992] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 242.200413][ T5] !!!! css_release_work_fn(ffff888110bd5400) [ 242.209141][ C1] !!!! css_killed_ref_fn enqueue(ffff888110f90400) [ 242.219618][ T378] !!!! css_killed_work_fn css_put(ffff888110f90400) [ 242.226309][ C1] !!!! css_killed_ref_fn enqueue(ffff888110f91400) [ 242.226320][ C1] !!!! css_killed_ref_fn enqueue(ffff888110f93000) [ 242.240622][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.244088][ T378] !!!! css_release enqueue(ffff888110f90400) [ 242.247842][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.253649][ T19] !!!! css_killed_work_fn css_put(ffff888110f91400) [ 242.260709][ T5] !!!! css_free_rwork_fn(ffff888110bd5400) [ 242.267195][ T19] !!!! css_release enqueue(ffff888110f91400) [ 242.273815][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.279492][ T378] !!!! css_killed_work_fn css_put(ffff888110f93000) [ 242.287125][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.293163][ T378] !!!! css_release enqueue(ffff888110f93000) [ 242.305962][ T1994] !!!! css_create css ffff888110f96000 !!!! [ 242.312239][ T1994] !!!! css_create css ffff888110f97c00 !!!! [ 242.318160][ T1994] !!!! css_create css ffff888110f94c00 !!!! [ 242.324328][ T1994] FAULT_INJECTION: forcing a failure. [ 242.324328][ T1994] name failslab, interval 1, probability 0, space 0, times 0 [ 242.337069][ T1994] CPU: 1 PID: 1994 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 242.348670][ T1994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.358700][ T1994] Call Trace: [ 242.361969][ T1994] dump_stack_lvl+0x1e2/0x24b [ 242.366622][ T1994] ? bfq_pos_tree_add_move+0x43e/0x43e [ 242.372056][ T1994] dump_stack+0x15/0x17 [ 242.376192][ T1994] should_fail+0x3c0/0x510 [ 242.380591][ T1994] ? __kernfs_new_node+0x99/0x6e0 [ 242.385589][ T1994] __should_failslab+0x9f/0xe0 [ 242.390341][ T1994] should_failslab+0x9/0x20 [ 242.394831][ T1994] __kmalloc_track_caller+0x5f/0x350 [ 242.400088][ T1994] kstrdup_const+0x55/0x90 [ 242.404477][ T1994] __kernfs_new_node+0x99/0x6e0 [ 242.409303][ T1994] ? stack_trace_save+0x1f0/0x1f0 [ 242.414385][ T1994] ? kernfs_new_node+0x170/0x170 [ 242.419308][ T1994] ? ptr_to_hashval+0x60/0x60 [ 242.424059][ T1994] ? snprintf+0xd6/0x120 [ 242.428274][ T1994] kernfs_new_node+0x97/0x170 [ 242.432925][ T1994] __kernfs_create_file+0x4a/0x270 [ 242.438016][ T1994] cgroup_addrm_files+0xab8/0xfe0 [ 242.443016][ T1994] ? cgroup_apply_control_enable+0x734/0x12e0 [ 242.449052][ T1994] ? cgroup_apply_control+0x93/0x710 [ 242.454310][ T1994] ? cgroup_subtree_control_write+0xd19/0x1310 [ 242.460521][ T1994] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 242.466645][ T1994] ? delete_node+0x759/0x7b0 [ 242.471296][ T1994] ? __kasan_check_read+0x11/0x20 [ 242.476734][ T1994] ? delete_node+0x759/0x7b0 [ 242.481297][ T1994] ? __kasan_check_write+0x14/0x20 [ 242.486382][ T1994] ? __radix_tree_replace+0x246/0x2e0 [ 242.491727][ T1994] ? idr_get_next+0x4b0/0x4b0 [ 242.496391][ T1994] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 242.501393][ T1994] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 242.506580][ T1994] css_populate_dir+0x137/0x370 [ 242.511410][ T1994] cgroup_apply_control_enable+0x629/0x12e0 [ 242.517294][ T1994] cgroup_apply_control+0x93/0x710 [ 242.522386][ T1994] ? css_next_child+0x160/0x160 [ 242.527298][ T1994] ? io_schedule+0x120/0x120 [ 242.531871][ T1994] ? kernfs_fop_write_iter+0x15e/0x410 [ 242.537390][ T1994] ? __kasan_check_write+0x14/0x20 [ 242.542497][ T1994] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 242.547869][ T1994] cgroup_subtree_control_write+0xd19/0x1310 [ 242.553851][ T1994] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.559829][ T1994] ? __kasan_check_write+0x14/0x20 [ 242.564951][ T1994] ? _copy_from_iter+0x3fb/0xd60 [ 242.569914][ T1994] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 242.575869][ T1994] cgroup_file_write+0x28e/0x590 [ 242.580784][ T1994] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.585891][ T1994] ? mutex_lock+0xa6/0x110 [ 242.590294][ T1994] ? mutex_trylock+0xb0/0xb0 [ 242.594955][ T1994] ? __kasan_check_write+0x14/0x20 [ 242.600055][ T1994] kernfs_fop_write_iter+0x2d0/0x410 [ 242.605496][ T1994] ? cgroup_seqfile_stop+0xc0/0xc0 [ 242.610585][ T1994] vfs_write+0xc1c/0xf40 [ 242.614836][ T1994] ? kernel_write+0x3c0/0x3c0 [ 242.619600][ T1994] ? mutex_trylock+0xb0/0xb0 [ 242.624222][ T1994] ? __fdget_pos+0x26d/0x310 [ 242.628793][ T1994] ? ksys_write+0x77/0x2c0 [ 242.633194][ T1994] ksys_write+0x198/0x2c0 [ 242.637519][ T1994] ? __ia32_sys_read+0x90/0x90 [ 242.642266][ T1994] ? debug_smp_processor_id+0x17/0x20 [ 242.647625][ T1994] __x64_sys_write+0x7b/0x90 [ 242.652193][ T1994] do_syscall_64+0x34/0x70 [ 242.656584][ T1994] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 242.662452][ T1994] RIP: 0033:0x7fccade130e9 [ 242.667279][ T1994] 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 [ 242.687047][ T1994] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 242.695547][ T1994] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 242.703526][ T1994] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 242.711496][ T1994] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 242.719467][ T1994] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 242.727428][ T1994] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 242.735578][ T1994] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 242.742794][ T1994] !!!! control_disable control_disable ss name cpu [ 242.749362][ T1994] !!!! control_disable control_disable ss name memory [ 242.756293][ T1994] !!!! control_disable control_disable ss name pids [ 242.762978][ T1994] !!!! control_disable kill_css(ffff888110f96000) [ 242.769523][ T1994] !!!! IN kill css_get(ffff888110f96000) [ 242.775290][ T1994] !!!! IN kill css_get(ffff888110f96000) [ 242.781033][ T1994] !!!! control_disable control_disable ss name cpu [ 242.787588][ T1994] !!!! control_disable control_disable ss name memory [ 242.794405][ T1994] !!!! control_disable control_disable ss name pids [ 242.801021][ T1994] !!!! control_disable kill_css(ffff888110f97c00) [ 242.808295][ T1994] !!!! IN kill css_get(ffff888110f97c00) [ 242.814055][ C0] !!!! css_killed_ref_fn enqueue(ffff888110f96000) [ 242.820922][ T1994] !!!! IN kill css_get(ffff888110f97c00) [ 242.826688][ T1994] !!!! control_disable control_disable ss name cpu [ 242.833189][ T1994] !!!! control_disable control_disable ss name memory [ 242.839950][ T1994] !!!! control_disable control_disable ss name pids [ 242.846555][ T1994] !!!! control_disable kill_css(ffff888110f94c00) [ 242.853080][ T1994] !!!! IN kill css_get(ffff888110f94c00) [ 242.858812][ T1994] !!!! IN kill css_get(ffff888110f94c00) [ 242.864581][ T1994] !!!! control_disable control_disable ss name cpu [ 242.871165][ T1994] !!!! control_disable control_disable ss name memory [ 242.878121][ T1994] !!!! control_disable control_disable ss name cpu [ 242.884664][ T1994] !!!! control_disable control_disable ss name memory [ 242.891716][ T1994] !!!! control_disable control_disable ss name cpu [ 242.898249][ T1994] !!!! control_disable control_disable ss name memory [ 242.905061][ T1994] !!!! control_disable control_disable ss name cpu [ 242.911552][ T1994] !!!! control_disable control_disable ss name memory [ 242.918423][ T1994] !!!! control_disable control_disable ss name pids [ 242.925662][ T1994] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 242.925681][ T19] !!!! css_release_work_fn(ffff888110f90400) [ 242.934181][ C0] !!!! css_killed_ref_fn enqueue(ffff888110f97c00) [ 242.938520][ T19] !!!! css_release_work_fn(ffff888110f91400) [ 242.945108][ C0] !!!! css_killed_ref_fn enqueue(ffff888110f94c00) [ 242.951509][ T19] !!!! css_release_work_fn(ffff888110f93000) [ 242.959264][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.970994][ T34] !!!! css_killed_work_fn css_put(ffff888110f96000) [ 242.971979][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.977887][ T34] !!!! css_release enqueue(ffff888110f96000) [ 242.985180][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 242.990836][ T34] !!!! css_killed_work_fn css_put(ffff888110f97c00) [ 242.997815][ T19] !!!! css_free_rwork_fn(ffff888110f90400) [ 243.004578][ T34] !!!! css_release enqueue(ffff888110f97c00) [ 243.010485][ T19] !!!! css_free_rwork_fn(ffff888110f91400) [ 243.017129][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 243.022861][ T19] !!!! css_free_rwork_fn(ffff888110f93000) [ 243.029372][ T34] !!!! css_killed_work_fn css_put(ffff888110f94c00) [ 243.041913][ T34] !!!! css_release enqueue(ffff888110f94c00) [ 243.047986][ T34] !!!! css_release_work_fn(ffff888110f96000) [ 243.054145][ T1969] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 243.054564][ T1977] !!!! css_create css ffff8881140d8000 !!!! [ 243.066721][ T1977] !!!! css_create css ffff8881140da000 !!!! [ 243.072738][ T1977] !!!! css_create css ffff8881140d6800 !!!! [ 243.078642][ T1977] FAULT_INJECTION: forcing a failure. [ 243.078642][ T1977] name failslab, interval 1, probability 0, space 0, times 0 [ 243.091525][ T1977] CPU: 0 PID: 1977 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 243.103138][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.113168][ T1977] Call Trace: [ 243.116449][ T1977] dump_stack_lvl+0x1e2/0x24b [ 243.121115][ T1977] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.126550][ T1977] ? serial8250_console_write+0xae0/0xe60 [ 243.132353][ T1977] ? record_print_text+0x266/0x420 [ 243.137454][ T1977] dump_stack+0x15/0x17 [ 243.141593][ T1977] should_fail+0x3c0/0x510 [ 243.145994][ T1977] ? __kernfs_new_node+0x99/0x6e0 [ 243.150995][ T1977] __should_failslab+0x9f/0xe0 [ 243.155745][ T1977] should_failslab+0x9/0x20 [ 243.160224][ T1977] __kmalloc_track_caller+0x5f/0x350 [ 243.165589][ T1977] kstrdup_const+0x55/0x90 [ 243.170024][ T1977] __kernfs_new_node+0x99/0x6e0 [ 243.174860][ T1977] ? stack_trace_save+0x1f0/0x1f0 [ 243.179873][ T1977] ? kernfs_new_node+0x170/0x170 [ 243.184875][ T1977] ? ptr_to_hashval+0x60/0x60 [ 243.189612][ T1977] ? snprintf+0xd6/0x120 [ 243.193839][ T1977] kernfs_new_node+0x97/0x170 [ 243.198767][ T1977] __kernfs_create_file+0x4a/0x270 [ 243.203854][ T1977] cgroup_addrm_files+0xab8/0xfe0 [ 243.209255][ T1977] ? cgroup_apply_control_enable+0x734/0x12e0 [ 243.215398][ T1977] ? cgroup_apply_control+0x93/0x710 [ 243.220663][ T1977] ? cgroup_subtree_control_write+0xd19/0x1310 [ 243.226885][ T1977] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 243.233026][ T1977] ? delete_node+0x759/0x7b0 [ 243.237595][ T1977] ? __kasan_check_read+0x11/0x20 [ 243.242616][ T1977] ? delete_node+0x759/0x7b0 [ 243.247180][ T1977] ? __kasan_check_write+0x14/0x20 [ 243.252268][ T1977] ? __radix_tree_replace+0x246/0x2e0 [ 243.257636][ T1977] ? idr_get_next+0x4b0/0x4b0 [ 243.262293][ T1977] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 243.267293][ T1977] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 243.272561][ T1977] css_populate_dir+0x137/0x370 [ 243.277401][ T1977] cgroup_apply_control_enable+0x629/0x12e0 [ 243.283531][ T1977] cgroup_apply_control+0x93/0x710 [ 243.288621][ T1977] ? css_next_child+0x160/0x160 [ 243.293548][ T1977] ? io_schedule+0x120/0x120 [ 243.298203][ T1977] ? kernfs_fop_write_iter+0x15e/0x410 [ 243.303636][ T1977] ? __kasan_check_write+0x14/0x20 [ 243.308724][ T1977] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 243.313987][ T1977] cgroup_subtree_control_write+0xd19/0x1310 [ 243.319955][ T1977] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 243.326175][ T1977] ? __kasan_check_write+0x14/0x20 [ 243.331281][ T1977] ? _copy_from_iter+0x3fb/0xd60 [ 243.336228][ T1977] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 243.342182][ T1977] cgroup_file_write+0x28e/0x590 [ 243.347095][ T1977] ? cgroup_seqfile_stop+0xc0/0xc0 [ 243.352357][ T1977] ? mutex_lock+0xa6/0x110 [ 243.357027][ T1977] ? mutex_trylock+0xb0/0xb0 [ 243.361598][ T1977] ? __kasan_check_write+0x14/0x20 [ 243.366689][ T1977] kernfs_fop_write_iter+0x2d0/0x410 [ 243.372349][ T1977] ? cgroup_seqfile_stop+0xc0/0xc0 [ 243.377442][ T1977] vfs_write+0xc1c/0xf40 [ 243.381692][ T1977] ? kernel_write+0x3c0/0x3c0 [ 243.386348][ T1977] ? mutex_trylock+0xb0/0xb0 [ 243.391284][ T1977] ? __fdget_pos+0x26d/0x310 [ 243.395875][ T1977] ? ksys_write+0x77/0x2c0 [ 243.400371][ T1977] ksys_write+0x198/0x2c0 [ 243.404684][ T1977] ? __ia32_sys_read+0x90/0x90 [ 243.409429][ T1977] ? debug_smp_processor_id+0x17/0x20 [ 243.414778][ T1977] __x64_sys_write+0x7b/0x90 [ 243.419356][ T1977] do_syscall_64+0x34/0x70 [ 243.423760][ T1977] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 243.429898][ T1977] RIP: 0033:0x7ff3e27b70e9 [ 243.434290][ T1977] 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 [ 243.453897][ T1977] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 243.462477][ T1977] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 243.470449][ T1977] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 243.478495][ T1977] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 243.486448][ T1977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 243.494485][ T1977] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 243.503145][ T1977] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 243.510177][ T1977] !!!! control_disable control_disable ss name cpu [ 243.516721][ T1977] !!!! control_disable control_disable ss name memory [ 243.523599][ T1977] !!!! control_disable control_disable ss name pids [ 243.530268][ T1977] !!!! control_disable kill_css(ffff8881140d8000) [ 243.536816][ T1977] !!!! IN kill css_get(ffff8881140d8000) [ 243.542646][ T1977] !!!! IN kill css_get(ffff8881140d8000) [ 243.548525][ T1977] !!!! control_disable control_disable ss name cpu [ 243.555166][ T1977] !!!! control_disable control_disable ss name memory [ 243.561943][ T1977] !!!! control_disable control_disable ss name pids [ 243.568506][ T1977] !!!! control_disable kill_css(ffff8881140da000) [ 243.575017][ C1] !!!! css_killed_ref_fn enqueue(ffff8881140d8000) [ 243.581803][ T1977] !!!! IN kill css_get(ffff8881140da000) [ 243.587594][ T1977] !!!! IN kill css_get(ffff8881140da000) [ 243.593458][ T1977] !!!! control_disable control_disable ss name cpu [ 243.599962][ T1977] !!!! control_disable control_disable ss name memory [ 243.606957][ T1977] !!!! control_disable control_disable ss name pids [ 243.613679][ T1977] !!!! control_disable kill_css(ffff8881140d6800) [ 243.620273][ T1977] !!!! IN kill css_get(ffff8881140d6800) [ 243.626008][ T1977] !!!! IN kill css_get(ffff8881140d6800) [ 243.631772][ T1977] !!!! control_disable control_disable ss name cpu [ 243.638372][ T1977] !!!! control_disable control_disable ss name memory [ 243.645146][ T1977] !!!! control_disable control_disable ss name cpu [ 243.651659][ T1977] !!!! control_disable control_disable ss name memory [ 243.658514][ T1977] !!!! control_disable control_disable ss name cpu [ 243.665036][ T1977] !!!! control_disable control_disable ss name memory [ 243.671982][ T1977] !!!! control_disable control_disable ss name cpu [ 243.678459][ T1977] !!!! control_disable control_disable ss name memory [ 243.685223][ T1977] !!!! control_disable control_disable ss name pids [ 243.691845][ T1977] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 243.691859][ T34] !!!! css_release_work_fn(ffff888110f97c00) [ 243.704462][ C1] !!!! css_killed_ref_fn enqueue(ffff8881140da000) [ 243.704477][ T34] !!!! css_release_work_fn(ffff888110f94c00) [ 243.717269][ T34] !!!! css_free_rwork_fn(ffff888110f96000) [ 243.721645][ T435] !!!! css_killed_work_fn css_put(ffff8881140d8000) [ 243.723630][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 243.730205][ T435] !!!! css_release enqueue(ffff8881140d8000) [ 243.736960][ C1] !!!! css_killed_ref_fn enqueue(ffff8881140d6800) [ 243.737406][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 243.743284][ T435] !!!! css_killed_work_fn css_put(ffff8881140da000) [ 243.750182][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 243.756841][ T435] !!!! css_release enqueue(ffff8881140da000) [ 243.763435][ T34] !!!! css_free_rwork_fn(ffff888110f97c00) [ 243.764292][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 243.770858][ T378] !!!! css_killed_work_fn css_put(ffff8881140d6800) [ 243.776767][ T5] !!!! css_free_rwork_fn(ffff888110f94c00) [ 243.782490][ T378] !!!! css_release enqueue(ffff8881140d6800) [ 243.808381][ T1996] !!!! css_create css ffff888116dc9c00 !!!! [ 243.814367][ T1996] !!!! css_create css ffff888116dca400 !!!! [ 243.820369][ T1996] !!!! css_create css ffff888111036000 !!!! [ 243.826412][ T1996] FAULT_INJECTION: forcing a failure. [ 243.826412][ T1996] name failslab, interval 1, probability 0, space 0, times 0 [ 243.839209][ T1996] CPU: 1 PID: 1996 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 243.850919][ T1996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.860961][ T1996] Call Trace: [ 243.864251][ T1996] dump_stack_lvl+0x1e2/0x24b [ 243.868926][ T1996] ? bfq_pos_tree_add_move+0x43e/0x43e [ 243.874379][ T1996] ? __pv_queued_spin_lock_slowpath+0xa24/0xc90 [ 243.880620][ T1996] dump_stack+0x15/0x17 [ 243.884758][ T1996] should_fail+0x3c0/0x510 [ 243.889163][ T1996] ? __kernfs_new_node+0x99/0x6e0 [ 243.894243][ T1996] __should_failslab+0x9f/0xe0 [ 243.898990][ T1996] should_failslab+0x9/0x20 [ 243.903486][ T1996] __kmalloc_track_caller+0x5f/0x350 [ 243.908765][ T1996] kstrdup_const+0x55/0x90 [ 243.913170][ T1996] __kernfs_new_node+0x99/0x6e0 [ 243.917996][ T1996] ? stack_trace_save+0x1f0/0x1f0 [ 243.923015][ T1996] ? kernfs_new_node+0x170/0x170 [ 243.927928][ T1996] ? ptr_to_hashval+0x60/0x60 [ 243.932577][ T1996] ? snprintf+0xd6/0x120 [ 243.936792][ T1996] kernfs_new_node+0x97/0x170 [ 243.941456][ T1996] __kernfs_create_file+0x4a/0x270 [ 243.946542][ T1996] cgroup_addrm_files+0xab8/0xfe0 [ 243.951539][ T1996] ? cgroup_apply_control_enable+0x734/0x12e0 [ 243.957580][ T1996] ? cgroup_apply_control+0x93/0x710 [ 243.962927][ T1996] ? cgroup_subtree_control_write+0xd19/0x1310 [ 243.969068][ T1996] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 243.975209][ T1996] ? delete_node+0x759/0x7b0 [ 243.979866][ T1996] ? __kasan_check_read+0x11/0x20 [ 243.984862][ T1996] ? delete_node+0x759/0x7b0 [ 243.989421][ T1996] ? __kasan_check_write+0x14/0x20 [ 243.994504][ T1996] ? __radix_tree_replace+0x246/0x2e0 [ 243.999850][ T1996] ? idr_get_next+0x4b0/0x4b0 [ 244.004497][ T1996] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 244.009498][ T1996] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 244.014670][ T1996] css_populate_dir+0x137/0x370 [ 244.019516][ T1996] cgroup_apply_control_enable+0x629/0x12e0 [ 244.025414][ T1996] cgroup_apply_control+0x93/0x710 [ 244.030503][ T1996] ? css_next_child+0x160/0x160 [ 244.035335][ T1996] ? io_schedule+0x120/0x120 [ 244.039900][ T1996] ? kernfs_fop_write_iter+0x15e/0x410 [ 244.045332][ T1996] ? __kasan_check_write+0x14/0x20 [ 244.050425][ T1996] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 244.055695][ T1996] cgroup_subtree_control_write+0xd19/0x1310 [ 244.061674][ T1996] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.067803][ T1996] ? __kasan_check_write+0x14/0x20 [ 244.073006][ T1996] ? _copy_from_iter+0x3fb/0xd60 [ 244.077936][ T1996] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.083912][ T1996] cgroup_file_write+0x28e/0x590 [ 244.088836][ T1996] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.093929][ T1996] ? mutex_lock+0xa6/0x110 [ 244.098407][ T1996] ? mutex_trylock+0xb0/0xb0 [ 244.102981][ T1996] ? __kasan_check_write+0x14/0x20 [ 244.108069][ T1996] kernfs_fop_write_iter+0x2d0/0x410 [ 244.113335][ T1996] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.118430][ T1996] vfs_write+0xc1c/0xf40 [ 244.122654][ T1996] ? kernel_write+0x3c0/0x3c0 [ 244.127306][ T1996] ? mutex_trylock+0xb0/0xb0 [ 244.131872][ T1996] ? __fdget_pos+0x26d/0x310 [ 244.136441][ T1996] ? ksys_write+0x77/0x2c0 [ 244.140830][ T1996] ksys_write+0x198/0x2c0 [ 244.145224][ T1996] ? __ia32_sys_read+0x90/0x90 [ 244.149965][ T1996] ? debug_smp_processor_id+0x17/0x20 [ 244.155309][ T1996] __x64_sys_write+0x7b/0x90 [ 244.159887][ T1996] do_syscall_64+0x34/0x70 [ 244.164277][ T1996] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 244.170190][ T1996] RIP: 0033:0x7fe9a8a760e9 [ 244.174578][ T1996] 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 [ 244.194246][ T1996] RSP: 002b:00007fe9a89ec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 244.202630][ T1996] RAX: ffffffffffffffda RBX: 00007fe9a8b88f60 RCX: 00007fe9a8a760e9 [ 244.210576][ T1996] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 244.218518][ T1996] RBP: 00007fe9a89ec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 244.226488][ T1996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 244.234444][ T1996] R13: 00007ffc015d045f R14: 00007fe9a89ec300 R15: 0000000000022000 [ 244.242703][ T1996] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 244.249738][ T1996] !!!! control_disable control_disable ss name cpu [ 244.256262][ T1996] !!!! control_disable control_disable ss name memory [ 244.263048][ T1996] !!!! control_disable control_disable ss name pids [ 244.269609][ T1996] !!!! control_disable kill_css(ffff888116dc9c00) [ 244.276149][ T1996] !!!! IN kill css_get(ffff888116dc9c00) [ 244.281966][ T1996] !!!! IN kill css_get(ffff888116dc9c00) [ 244.288543][ T1996] !!!! control_disable control_disable ss name cpu [ 244.295073][ T1996] !!!! control_disable control_disable ss name memory [ 244.301867][ T1996] !!!! control_disable control_disable ss name pids [ 244.308441][ T1996] !!!! control_disable kill_css(ffff888116dca400) [ 244.314989][ T1996] !!!! IN kill css_get(ffff888116dca400) [ 244.320685][ T1996] !!!! IN kill css_get(ffff888116dca400) [ 244.326598][ T1996] !!!! control_disable control_disable ss name cpu [ 244.335215][ T1996] !!!! control_disable control_disable ss name memory [ 244.341983][ T1996] !!!! control_disable control_disable ss name pids [ 244.348568][ T1996] !!!! control_disable kill_css(ffff888111036000) [ 244.355073][ T1996] !!!! IN kill css_get(ffff888111036000) [ 244.360820][ T1996] !!!! IN kill css_get(ffff888111036000) [ 244.366553][ T1996] !!!! control_disable control_disable ss name cpu [ 244.373052][ T1996] !!!! control_disable control_disable ss name memory [ 244.379792][ T1996] !!!! control_disable control_disable ss name cpu [ 244.386308][ T1996] !!!! control_disable control_disable ss name memory [ 244.393067][ T1996] !!!! control_disable control_disable ss name cpu [ 244.399543][ T1996] !!!! control_disable control_disable ss name memory [ 244.406345][ T1996] !!!! control_disable control_disable ss name cpu [ 244.412910][ T1996] !!!! control_disable control_disable ss name memory [ 244.412950][ C1] !!!! css_killed_ref_fn enqueue(ffff888116dc9c00) [ 244.419699][ T1996] !!!! control_disable control_disable ss name pids [ 244.426559][ C1] !!!! css_killed_ref_fn enqueue(ffff888116dca400) [ 244.432876][ T1996] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 244.439438][ C1] !!!! css_killed_ref_fn enqueue(ffff888111036000) [ 244.452525][ T378] !!!! css_release_work_fn(ffff8881140d8000) [ 244.458777][ T378] !!!! css_release_work_fn(ffff8881140da000) [ 244.462200][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 244.466756][ T378] !!!! css_release_work_fn(ffff8881140d6800) [ 244.472229][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 244.477829][ T378] !!!! css_killed_work_fn css_put(ffff888116dc9c00) [ 244.485217][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 244.491311][ T378] !!!! css_release enqueue(ffff888116dc9c00) [ 244.498957][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 244.504353][ T435] !!!! css_killed_work_fn css_put(ffff888116dca400) [ 244.517835][ T435] !!!! css_release enqueue(ffff888116dca400) [ 244.523942][ T435] !!!! css_killed_work_fn css_put(ffff888111036000) [ 244.530630][ T435] !!!! css_release enqueue(ffff888111036000) [ 244.536797][ T435] !!!! css_free_rwork_fn(ffff8881140d8000) [ 244.536813][ T1976] !!!! css_create css ffff888110d77000 !!!! [ 244.542703][ T435] !!!! css_free_rwork_fn(ffff8881140da000) [ 244.554530][ T1976] !!!! css_create css ffff888110d75400 !!!! [ 244.560425][ T1976] !!!! css_create css ffff888110d74800 !!!! [ 244.566580][ T1976] FAULT_INJECTION: forcing a failure. [ 244.566580][ T1976] name failslab, interval 1, probability 0, space 0, times 0 [ 244.579296][ T1976] CPU: 1 PID: 1976 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 244.590891][ T1976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.602759][ T1976] Call Trace: [ 244.606053][ T1976] dump_stack_lvl+0x1e2/0x24b [ 244.610709][ T1976] ? bfq_pos_tree_add_move+0x43e/0x43e [ 244.616138][ T1976] dump_stack+0x15/0x17 [ 244.620266][ T1976] should_fail+0x3c0/0x510 [ 244.624657][ T1976] ? __kernfs_new_node+0x99/0x6e0 [ 244.629650][ T1976] __should_failslab+0x9f/0xe0 [ 244.634382][ T1976] should_failslab+0x9/0x20 [ 244.638856][ T1976] __kmalloc_track_caller+0x5f/0x350 [ 244.644122][ T1976] kstrdup_const+0x55/0x90 [ 244.648506][ T1976] __kernfs_new_node+0x99/0x6e0 [ 244.653323][ T1976] ? stack_trace_save+0x1f0/0x1f0 [ 244.658319][ T1976] ? kernfs_new_node+0x170/0x170 [ 244.663223][ T1976] ? ptr_to_hashval+0x60/0x60 [ 244.667870][ T1976] ? snprintf+0xd6/0x120 [ 244.672081][ T1976] kernfs_new_node+0x97/0x170 [ 244.676726][ T1976] __kernfs_create_file+0x4a/0x270 [ 244.681807][ T1976] cgroup_addrm_files+0xab8/0xfe0 [ 244.686818][ T1976] ? cgroup_apply_control_enable+0x734/0x12e0 [ 244.692851][ T1976] ? cgroup_apply_control+0x93/0x710 [ 244.698103][ T1976] ? cgroup_subtree_control_write+0xd19/0x1310 [ 244.704242][ T1976] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 244.710386][ T1976] ? delete_node+0x759/0x7b0 [ 244.714961][ T1976] ? __kasan_check_read+0x11/0x20 [ 244.719960][ T1976] ? delete_node+0x759/0x7b0 [ 244.724519][ T1976] ? __kasan_check_write+0x14/0x20 [ 244.729602][ T1976] ? __radix_tree_replace+0x246/0x2e0 [ 244.734946][ T1976] ? idr_get_next+0x4b0/0x4b0 [ 244.739612][ T1976] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 244.744617][ T1976] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 244.749786][ T1976] css_populate_dir+0x137/0x370 [ 244.754628][ T1976] cgroup_apply_control_enable+0x629/0x12e0 [ 244.760518][ T1976] cgroup_apply_control+0x93/0x710 [ 244.765611][ T1976] ? css_next_child+0x160/0x160 [ 244.770436][ T1976] ? set_next_entity+0xc5/0x390 [ 244.775273][ T1976] ? io_schedule+0x120/0x120 [ 244.780020][ T1976] ? kernfs_fop_write_iter+0x15e/0x410 [ 244.785449][ T1976] ? __kasan_check_write+0x14/0x20 [ 244.790654][ T1976] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 244.796125][ T1976] cgroup_subtree_control_write+0xd19/0x1310 [ 244.802401][ T1976] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.808458][ T1976] ? __kasan_check_write+0x14/0x20 [ 244.813561][ T1976] ? _copy_from_iter+0x3fb/0xd60 [ 244.818471][ T1976] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 244.824524][ T1976] cgroup_file_write+0x28e/0x590 [ 244.829619][ T1976] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.834711][ T1976] ? mutex_lock+0xa6/0x110 [ 244.839096][ T1976] ? mutex_trylock+0xb0/0xb0 [ 244.843743][ T1976] ? __kasan_check_write+0x14/0x20 [ 244.848999][ T1976] kernfs_fop_write_iter+0x2d0/0x410 [ 244.854267][ T1976] ? cgroup_seqfile_stop+0xc0/0xc0 [ 244.859365][ T1976] vfs_write+0xc1c/0xf40 [ 244.863579][ T1976] ? kernel_write+0x3c0/0x3c0 [ 244.868238][ T1976] ? mutex_trylock+0xb0/0xb0 [ 244.872883][ T1976] ? __fdget_pos+0x26d/0x310 [ 244.877443][ T1976] ? ksys_write+0x77/0x2c0 [ 244.881870][ T1976] ksys_write+0x198/0x2c0 [ 244.886192][ T1976] ? __ia32_sys_read+0x90/0x90 [ 244.890932][ T1976] ? debug_smp_processor_id+0x17/0x20 [ 244.896290][ T1976] __x64_sys_write+0x7b/0x90 [ 244.900879][ T1976] do_syscall_64+0x34/0x70 [ 244.905292][ T1976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 244.911157][ T1976] RIP: 0033:0x7f2fc06ba0e9 [ 244.915545][ T1976] 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 [ 244.935208][ T1976] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 244.943680][ T1976] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 244.951636][ T1976] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 244.959581][ T1976] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 244.967526][ T1976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 244.975469][ T1976] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 244.983991][ T1976] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 244.991051][ T1976] !!!! control_disable control_disable ss name cpu [ 244.997581][ T1976] !!!! control_disable control_disable ss name memory [ 245.004348][ T1976] !!!! control_disable control_disable ss name pids [ 245.011007][ T1976] !!!! control_disable kill_css(ffff888110d77000) [ 245.017579][ T1976] !!!! IN kill css_get(ffff888110d77000) [ 245.023300][ T1976] !!!! IN kill css_get(ffff888110d77000) [ 245.028996][ T1976] !!!! control_disable control_disable ss name cpu [ 245.035625][ T1976] !!!! control_disable control_disable ss name memory [ 245.042474][ T1976] !!!! control_disable control_disable ss name pids [ 245.049031][ T1976] !!!! control_disable kill_css(ffff888110d75400) [ 245.055671][ T1976] !!!! IN kill css_get(ffff888110d75400) [ 245.061444][ T1976] !!!! IN kill css_get(ffff888110d75400) [ 245.067181][ T1976] !!!! control_disable control_disable ss name cpu [ 245.073684][ C1] !!!! css_killed_ref_fn enqueue(ffff888110d77000) [ 245.080275][ T1976] !!!! control_disable control_disable ss name memory [ 245.087131][ T1976] !!!! control_disable control_disable ss name pids [ 245.093743][ T1976] !!!! control_disable kill_css(ffff888110d74800) [ 245.100402][ T1976] !!!! IN kill css_get(ffff888110d74800) [ 245.106230][ T1976] !!!! IN kill css_get(ffff888110d74800) [ 245.111975][ T1976] !!!! control_disable control_disable ss name cpu [ 245.118594][ T1976] !!!! control_disable control_disable ss name memory [ 245.125573][ T1976] !!!! control_disable control_disable ss name cpu [ 245.132097][ T1976] !!!! control_disable control_disable ss name memory [ 245.138848][ T1976] !!!! control_disable control_disable ss name cpu [ 245.145355][ C1] !!!! css_killed_ref_fn enqueue(ffff888110d75400) [ 245.151994][ T1976] !!!! control_disable control_disable ss name memory [ 245.158728][ T1976] !!!! control_disable control_disable ss name cpu [ 245.165265][ T1976] !!!! control_disable control_disable ss name memory [ 245.172034][ C1] !!!! css_killed_ref_fn enqueue(ffff888110d74800) [ 245.178620][ T1976] !!!! control_disable control_disable ss name pids [ 245.185218][ T435] !!!! css_release_work_fn(ffff888116dc9c00) [ 245.185500][ T1976] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.191374][ T435] !!!! css_free_rwork_fn(ffff8881140d6800) [ 245.204094][ T435] !!!! css_release_work_fn(ffff888116dca400) [ 245.212984][ T435] !!!! css_release_work_fn(ffff888111036000) [ 245.217758][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.219116][ T435] !!!! css_killed_work_fn css_put(ffff888110d77000) [ 245.226142][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.232877][ T435] !!!! css_release enqueue(ffff888110d77000) [ 245.240174][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.246330][ T435] !!!! css_killed_work_fn css_put(ffff888110d75400) [ 245.253598][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.259421][ T435] !!!! css_release enqueue(ffff888110d75400) [ 245.272125][ T435] !!!! css_killed_work_fn css_put(ffff888110d74800) [ 245.278793][ T435] !!!! css_release enqueue(ffff888110d74800) [ 245.284894][ T435] !!!! css_free_rwork_fn(ffff888116dc9c00) [ 245.285166][ T2002] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.290780][ T435] !!!! css_release_work_fn(ffff888110d77000) [ 245.290803][ T435] !!!! css_free_rwork_fn(ffff888116dca400) [ 245.297380][ T2000] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.303757][ T2005] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.321675][ T2006] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.322522][ T2012] !!!! css_create css ffff888115ee3800 !!!! [ 245.334668][ T435] !!!! css_free_rwork_fn(ffff888111036000) [ 245.334727][ T2012] !!!! css_create css ffff888110e52800 !!!! [ 245.346553][ T2012] !!!! css_create css ffff888110e50400 !!!! [ 245.352688][ T2012] FAULT_INJECTION: forcing a failure. [ 245.352688][ T2012] name failslab, interval 1, probability 0, space 0, times 0 [ 245.365524][ T2012] CPU: 0 PID: 2012 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 245.377123][ T2012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.387160][ T2012] Call Trace: [ 245.390428][ T2012] dump_stack_lvl+0x1e2/0x24b [ 245.395085][ T2012] ? bfq_pos_tree_add_move+0x43e/0x43e [ 245.400517][ T2012] dump_stack+0x15/0x17 [ 245.404763][ T2012] should_fail+0x3c0/0x510 [ 245.409153][ T2012] ? __kernfs_new_node+0x99/0x6e0 [ 245.414154][ T2012] __should_failslab+0x9f/0xe0 [ 245.418896][ T2012] should_failslab+0x9/0x20 [ 245.423396][ T2012] __kmalloc_track_caller+0x5f/0x350 [ 245.428673][ T2012] kstrdup_const+0x55/0x90 [ 245.433067][ T2012] __kernfs_new_node+0x99/0x6e0 [ 245.437908][ T2012] ? stack_trace_save+0x1f0/0x1f0 [ 245.442914][ T2012] ? kernfs_new_node+0x170/0x170 [ 245.447853][ T2012] ? ptr_to_hashval+0x60/0x60 [ 245.452521][ T2012] ? snprintf+0xd6/0x120 [ 245.456758][ T2012] kernfs_new_node+0x97/0x170 [ 245.461420][ T2012] __kernfs_create_file+0x4a/0x270 [ 245.466510][ T2012] cgroup_addrm_files+0xab8/0xfe0 [ 245.471523][ T2012] ? cgroup_apply_control_enable+0x734/0x12e0 [ 245.477571][ T2012] ? cgroup_apply_control+0x93/0x710 [ 245.482835][ T2012] ? cgroup_subtree_control_write+0xd19/0x1310 [ 245.488961][ T2012] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 245.495089][ T2012] ? delete_node+0x759/0x7b0 [ 245.499661][ T2012] ? __kasan_check_read+0x11/0x20 [ 245.504661][ T2012] ? delete_node+0x759/0x7b0 [ 245.509226][ T2012] ? __kasan_check_write+0x14/0x20 [ 245.514315][ T2012] ? __radix_tree_replace+0x246/0x2e0 [ 245.519675][ T2012] ? idr_get_next+0x4b0/0x4b0 [ 245.524426][ T2012] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 245.529428][ T2012] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 245.534601][ T2012] css_populate_dir+0x137/0x370 [ 245.539437][ T2012] cgroup_apply_control_enable+0x629/0x12e0 [ 245.545305][ T2012] cgroup_apply_control+0x93/0x710 [ 245.550402][ T2012] ? css_next_child+0x160/0x160 [ 245.555260][ T2012] ? io_schedule+0x120/0x120 [ 245.559825][ T2012] ? kernfs_fop_write_iter+0x15e/0x410 [ 245.565274][ T2012] ? __kasan_check_write+0x14/0x20 [ 245.570359][ T2012] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 245.575707][ T2012] cgroup_subtree_control_write+0xd19/0x1310 [ 245.581661][ T2012] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 245.587615][ T2012] ? __kasan_check_write+0x14/0x20 [ 245.592698][ T2012] ? _copy_from_iter+0x3fb/0xd60 [ 245.597612][ T2012] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 245.603566][ T2012] cgroup_file_write+0x28e/0x590 [ 245.608478][ T2012] ? cgroup_seqfile_stop+0xc0/0xc0 [ 245.613563][ T2012] ? mutex_lock+0xa6/0x110 [ 245.617954][ T2012] ? mutex_trylock+0xb0/0xb0 [ 245.622520][ T2012] ? __kasan_check_write+0x14/0x20 [ 245.627606][ T2012] kernfs_fop_write_iter+0x2d0/0x410 [ 245.632875][ T2012] ? cgroup_seqfile_stop+0xc0/0xc0 [ 245.637959][ T2012] vfs_write+0xc1c/0xf40 [ 245.642177][ T2012] ? kernel_write+0x3c0/0x3c0 [ 245.646829][ T2012] ? mutex_trylock+0xb0/0xb0 [ 245.651394][ T2012] ? __fdget_pos+0x26d/0x310 [ 245.656133][ T2012] ? ksys_write+0x77/0x2c0 [ 245.660524][ T2012] ksys_write+0x198/0x2c0 [ 245.664834][ T2012] ? __ia32_sys_read+0x90/0x90 [ 245.669576][ T2012] ? debug_smp_processor_id+0x17/0x20 [ 245.674924][ T2012] __x64_sys_write+0x7b/0x90 [ 245.679508][ T2012] do_syscall_64+0x34/0x70 [ 245.683908][ T2012] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 245.689787][ T2012] RIP: 0033:0x7fccade130e9 [ 245.694330][ T2012] 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 [ 245.714005][ T2012] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 245.722401][ T2012] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 245.730347][ T2012] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 245.738295][ T2012] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 245.746255][ T2012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 245.754474][ T2012] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 245.762785][ T2012] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 245.769891][ T2012] !!!! control_disable control_disable ss name cpu [ 245.776512][ T2012] !!!! control_disable control_disable ss name memory [ 245.783382][ T2012] !!!! control_disable control_disable ss name pids [ 245.790044][ T2012] !!!! control_disable kill_css(ffff888115ee3800) [ 245.796711][ T2012] !!!! IN kill css_get(ffff888115ee3800) [ 245.802641][ T2012] !!!! IN kill css_get(ffff888115ee3800) [ 245.808496][ T2012] !!!! control_disable control_disable ss name cpu [ 245.815214][ T2012] !!!! control_disable control_disable ss name memory [ 245.822155][ T2012] !!!! control_disable control_disable ss name pids [ 245.828787][ T2012] !!!! control_disable kill_css(ffff888110e52800) [ 245.835330][ C1] !!!! css_killed_ref_fn enqueue(ffff888115ee3800) [ 245.842002][ T2012] !!!! IN kill css_get(ffff888110e52800) [ 245.848392][ T2012] !!!! IN kill css_get(ffff888110e52800) [ 245.854267][ T2012] !!!! control_disable control_disable ss name cpu [ 245.860750][ T2012] !!!! control_disable control_disable ss name memory [ 245.867517][ T2012] !!!! control_disable control_disable ss name pids [ 245.874103][ T2012] !!!! control_disable kill_css(ffff888110e50400) [ 245.880575][ T2012] !!!! IN kill css_get(ffff888110e50400) [ 245.886298][ T2012] !!!! IN kill css_get(ffff888110e50400) [ 245.892033][ T2012] !!!! control_disable control_disable ss name cpu [ 245.898521][ T2012] !!!! control_disable control_disable ss name memory 2022/06/08 04:03:57 executed programs: 557 [ 245.905307][ T2012] !!!! control_disable control_disable ss name cpu [ 245.911828][ T2012] !!!! control_disable control_disable ss name memory [ 245.918577][ T2012] !!!! control_disable control_disable ss name cpu [ 245.925080][ T2012] !!!! control_disable control_disable ss name memory [ 245.931847][ T2012] !!!! control_disable control_disable ss name cpu [ 245.938331][ T2012] !!!! control_disable control_disable ss name memory [ 245.945097][ T2012] !!!! control_disable control_disable ss name pids [ 245.951703][ T2012] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 245.958389][ T435] !!!! css_release_work_fn(ffff888110d75400) [ 245.964491][ T435] !!!! css_release_work_fn(ffff888110d74800) [ 245.970563][ T435] !!!! css_free_rwork_fn(ffff888110d77000) [ 245.972033][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.976527][ T435] !!!! css_killed_work_fn css_put(ffff888115ee3800) [ 245.983898][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 245.990849][ T435] !!!! css_release enqueue(ffff888115ee3800) [ 245.996864][ C1] !!!! css_killed_ref_fn enqueue(ffff888110e52800) [ 245.996880][ C1] !!!! css_killed_ref_fn enqueue(ffff888110e50400) [ 245.998765][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.003489][ T378] !!!! css_killed_work_fn css_put(ffff888110e52800) [ 246.014805][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.016826][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.023232][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.030481][ T378] !!!! css_release enqueue(ffff888110e52800) [ 246.038318][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.044295][ T435] !!!! css_killed_work_fn css_put(ffff888110e50400) [ 246.051942][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.056663][ T435] !!!! css_release enqueue(ffff888110e50400) [ 246.083175][ T2016] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 246.089691][ T1998] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 246.091695][ T2007] !!!! css_create css ffff88811ac47000 !!!! [ 246.102363][ T2007] !!!! css_create css ffff888116c02000 !!!! [ 246.108367][ T2007] !!!! css_create css ffff888116c01c00 !!!! [ 246.114505][ T2007] FAULT_INJECTION: forcing a failure. [ 246.114505][ T2007] name failslab, interval 1, probability 0, space 0, times 0 [ 246.127337][ T2007] CPU: 1 PID: 2007 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 246.138941][ T2007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.149066][ T2007] Call Trace: [ 246.152334][ T2007] dump_stack_lvl+0x1e2/0x24b [ 246.156999][ T2007] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.162430][ T2007] ? find_next_bit+0xd6/0x120 [ 246.167077][ T2007] ? cpumask_next+0x11/0x30 [ 246.171562][ T2007] dump_stack+0x15/0x17 [ 246.175724][ T2007] should_fail+0x3c0/0x510 [ 246.180112][ T2007] ? percpu_ref_init+0xd0/0x330 [ 246.185284][ T2007] __should_failslab+0x9f/0xe0 [ 246.190042][ T2007] should_failslab+0x9/0x20 [ 246.194627][ T2007] kmem_cache_alloc_trace+0x3a/0x330 [ 246.199974][ T2007] percpu_ref_init+0xd0/0x330 [ 246.204632][ T2007] ? cgroup_setup_root+0xea0/0xea0 [ 246.209748][ T2007] cgroup_apply_control_enable+0x734/0x12e0 [ 246.215636][ T2007] cgroup_apply_control+0x93/0x710 [ 246.220816][ T2007] ? css_next_child+0x160/0x160 [ 246.225642][ T2007] ? set_next_entity+0xc5/0x390 [ 246.230472][ T2007] ? io_schedule+0x120/0x120 [ 246.235032][ T2007] ? kernfs_fop_write_iter+0x15e/0x410 [ 246.240482][ T2007] ? __kasan_check_write+0x14/0x20 [ 246.245565][ T2007] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 246.250821][ T2007] cgroup_subtree_control_write+0xd19/0x1310 [ 246.256784][ T2007] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 246.262820][ T2007] ? __kasan_check_write+0x14/0x20 [ 246.267904][ T2007] ? _copy_from_iter+0x3fb/0xd60 [ 246.272987][ T2007] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 246.278959][ T2007] cgroup_file_write+0x28e/0x590 [ 246.283877][ T2007] ? cgroup_seqfile_stop+0xc0/0xc0 [ 246.289047][ T2007] ? mutex_lock+0xa6/0x110 [ 246.293443][ T2007] ? mutex_trylock+0xb0/0xb0 [ 246.298006][ T2007] ? __kasan_check_write+0x14/0x20 [ 246.303102][ T2007] kernfs_fop_write_iter+0x2d0/0x410 [ 246.308357][ T2007] ? cgroup_seqfile_stop+0xc0/0xc0 [ 246.313436][ T2007] vfs_write+0xc1c/0xf40 [ 246.317660][ T2007] ? kernel_write+0x3c0/0x3c0 [ 246.322310][ T2007] ? mutex_trylock+0xb0/0xb0 [ 246.326871][ T2007] ? __fdget_pos+0x26d/0x310 [ 246.331430][ T2007] ? ksys_write+0x77/0x2c0 [ 246.335816][ T2007] ksys_write+0x198/0x2c0 [ 246.340119][ T2007] ? __ia32_sys_read+0x90/0x90 [ 246.344857][ T2007] ? debug_smp_processor_id+0x17/0x20 [ 246.350232][ T2007] __x64_sys_write+0x7b/0x90 [ 246.354795][ T2007] do_syscall_64+0x34/0x70 [ 246.359206][ T2007] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 246.365071][ T2007] RIP: 0033:0x7fe9a8a760e9 [ 246.369496][ T2007] 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 [ 246.389076][ T2007] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 246.397466][ T2007] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 246.406032][ T2007] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 246.413984][ T2007] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 246.421942][ T2007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 246.429890][ T2007] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 246.438033][ T2007] !!!! css_create rcu_enqueue(ffff888116c01c00) !!!! [ 246.444835][ T2007] !!!! control_disable control_disable ss name cpu [ 246.451521][ T2007] !!!! control_disable control_disable ss name memory [ 246.458458][ T2007] !!!! control_disable control_disable ss name pids [ 246.465082][ T2007] !!!! control_disable kill_css(ffff88811ac47000) [ 246.471706][ T2007] !!!! IN kill css_get(ffff88811ac47000) [ 246.477487][ T2007] !!!! IN kill css_get(ffff88811ac47000) [ 246.483376][ T2007] !!!! control_disable control_disable ss name cpu [ 246.489899][ T2007] !!!! control_disable control_disable ss name memory [ 246.496704][ T2007] !!!! control_disable control_disable ss name pids [ 246.503397][ T2007] !!!! control_disable kill_css(ffff888116c02000) [ 246.510037][ T2007] !!!! IN kill css_get(ffff888116c02000) [ 246.515765][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ac47000) [ 246.522381][ T2007] !!!! IN kill css_get(ffff888116c02000) [ 246.528077][ T2007] !!!! control_disable control_disable ss name cpu [ 246.534596][ T2007] !!!! control_disable control_disable ss name memory [ 246.541341][ T2007] !!!! control_disable control_disable ss name cpu [ 246.547860][ T2007] !!!! control_disable control_disable ss name memory [ 246.554613][ T2007] !!!! control_disable control_disable ss name cpu [ 246.561085][ T2007] !!!! control_disable control_disable ss name memory [ 246.567842][ T2007] !!!! control_disable control_disable ss name cpu [ 246.574334][ T2007] !!!! control_disable control_disable ss name memory [ 246.581067][ T2007] !!!! control_disable control_disable ss name cpu [ 246.587577][ T2007] !!!! control_disable control_disable ss name memory [ 246.594353][ T2007] !!!! control_disable control_disable ss name pids [ 246.600952][ T2007] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 246.600993][ T378] !!!! css_release_work_fn(ffff888115ee3800) [ 246.613652][ C0] !!!! css_killed_ref_fn enqueue(ffff888116c02000) [ 246.613745][ T378] !!!! css_free_rwork_fn(ffff888110d75400) [ 246.620394][ T34] !!!! css_killed_work_fn css_put(ffff88811ac47000) [ 246.626227][ T378] !!!! css_free_rwork_fn(ffff888110d74800) [ 246.638492][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.646852][ T34] !!!! css_release enqueue(ffff88811ac47000) [ 246.647091][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.653240][ T5] !!!! css_killed_work_fn css_put(ffff888116c02000) [ 246.660750][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.667895][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.676337][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.682187][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.694228][ T5] !!!! css_release enqueue(ffff888116c02000) [ 246.700314][ T378] !!!! css_release_work_fn(ffff888110e52800) [ 246.700942][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.706924][ T2016] !!!! css_create css ffff888121f4dc00 !!!! [ 246.713945][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 246.719848][ T2016] !!!! css_create css ffff888121f4cc00 !!!! [ 246.732225][ T2016] !!!! css_create css ffff888121f4ec00 !!!! [ 246.738120][ T2016] FAULT_INJECTION: forcing a failure. [ 246.738120][ T2016] name failslab, interval 1, probability 0, space 0, times 0 [ 246.751412][ T2016] CPU: 1 PID: 2016 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 246.763028][ T2016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.773124][ T2016] Call Trace: [ 246.776401][ T2016] dump_stack_lvl+0x1e2/0x24b [ 246.781073][ T2016] ? bfq_pos_tree_add_move+0x43e/0x43e [ 246.786524][ T2016] ? serial8250_console_write+0xae0/0xe60 [ 246.792226][ T2016] ? record_print_text+0x266/0x420 [ 246.797328][ T2016] dump_stack+0x15/0x17 [ 246.801482][ T2016] should_fail+0x3c0/0x510 [ 246.805875][ T2016] ? __kernfs_new_node+0x99/0x6e0 [ 246.810872][ T2016] __should_failslab+0x9f/0xe0 [ 246.815637][ T2016] should_failslab+0x9/0x20 [ 246.820115][ T2016] __kmalloc_track_caller+0x5f/0x350 [ 246.825377][ T2016] kstrdup_const+0x55/0x90 [ 246.829777][ T2016] __kernfs_new_node+0x99/0x6e0 [ 246.834610][ T2016] ? stack_trace_save+0x1f0/0x1f0 [ 246.839637][ T2016] ? kernfs_new_node+0x170/0x170 [ 246.844550][ T2016] ? ptr_to_hashval+0x60/0x60 [ 246.849204][ T2016] ? snprintf+0xd6/0x120 [ 246.853434][ T2016] kernfs_new_node+0x97/0x170 [ 246.858087][ T2016] __kernfs_create_file+0x4a/0x270 [ 246.863179][ T2016] cgroup_addrm_files+0xab8/0xfe0 [ 246.868198][ T2016] ? cgroup_apply_control_enable+0x734/0x12e0 [ 246.874252][ T2016] ? cgroup_apply_control+0x93/0x710 [ 246.879530][ T2016] ? cgroup_subtree_control_write+0xd19/0x1310 [ 246.885659][ T2016] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 246.891788][ T2016] ? delete_node+0x759/0x7b0 [ 246.896361][ T2016] ? __kasan_check_read+0x11/0x20 [ 246.901360][ T2016] ? delete_node+0x759/0x7b0 [ 246.905927][ T2016] ? __kasan_check_write+0x14/0x20 [ 246.911012][ T2016] ? __radix_tree_replace+0x246/0x2e0 [ 246.916359][ T2016] ? idr_get_next+0x4b0/0x4b0 [ 246.921005][ T2016] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 246.926006][ T2016] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 246.931196][ T2016] css_populate_dir+0x137/0x370 [ 246.936022][ T2016] cgroup_apply_control_enable+0x629/0x12e0 [ 246.941890][ T2016] cgroup_apply_control+0x93/0x710 [ 246.946978][ T2016] ? css_next_child+0x160/0x160 [ 246.951829][ T2016] ? io_schedule+0x120/0x120 [ 246.956498][ T2016] ? kernfs_fop_write_iter+0x15e/0x410 [ 246.961949][ T2016] ? __kasan_check_write+0x14/0x20 [ 246.967057][ T2016] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 246.972326][ T2016] cgroup_subtree_control_write+0xd19/0x1310 [ 246.978284][ T2016] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 246.984247][ T2016] ? __kasan_check_write+0x14/0x20 [ 246.989334][ T2016] ? _copy_from_iter+0x3fb/0xd60 [ 246.994248][ T2016] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.000205][ T2016] cgroup_file_write+0x28e/0x590 [ 247.005120][ T2016] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.010205][ T2016] ? mutex_lock+0xa6/0x110 [ 247.014602][ T2016] ? mutex_trylock+0xb0/0xb0 [ 247.019166][ T2016] ? __kasan_check_write+0x14/0x20 [ 247.024253][ T2016] kernfs_fop_write_iter+0x2d0/0x410 [ 247.029514][ T2016] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.034606][ T2016] vfs_write+0xc1c/0xf40 [ 247.038827][ T2016] ? kernel_write+0x3c0/0x3c0 [ 247.043479][ T2016] ? mutex_trylock+0xb0/0xb0 [ 247.048055][ T2016] ? __fdget_pos+0x26d/0x310 [ 247.052812][ T2016] ? ksys_write+0x77/0x2c0 [ 247.057293][ T2016] ksys_write+0x198/0x2c0 [ 247.061604][ T2016] ? __ia32_sys_read+0x90/0x90 [ 247.066345][ T2016] ? debug_smp_processor_id+0x17/0x20 [ 247.071688][ T2016] __x64_sys_write+0x7b/0x90 [ 247.076253][ T2016] do_syscall_64+0x34/0x70 [ 247.080644][ T2016] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 247.086515][ T2016] RIP: 0033:0x7f2fc06ba0e9 [ 247.090908][ T2016] 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 [ 247.111180][ T2016] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.119580][ T2016] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 247.127546][ T2016] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 247.135492][ T2016] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 247.143436][ T2016] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 247.151383][ T2016] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 247.159943][ T2016] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 247.167101][ T2016] !!!! control_disable control_disable ss name cpu [ 247.173843][ T2016] !!!! control_disable control_disable ss name memory [ 247.180678][ T2016] !!!! control_disable control_disable ss name pids [ 247.187380][ T2016] !!!! control_disable kill_css(ffff888121f4dc00) [ 247.194005][ T2016] !!!! IN kill css_get(ffff888121f4dc00) [ 247.199781][ T2016] !!!! IN kill css_get(ffff888121f4dc00) [ 247.205604][ T2016] !!!! control_disable control_disable ss name cpu [ 247.212173][ T2016] !!!! control_disable control_disable ss name memory [ 247.218965][ T2016] !!!! control_disable control_disable ss name pids [ 247.225695][ T2016] !!!! control_disable kill_css(ffff888121f4cc00) [ 247.232338][ T2016] !!!! IN kill css_get(ffff888121f4cc00) [ 247.238057][ T2016] !!!! IN kill css_get(ffff888121f4cc00) [ 247.241642][ C1] !!!! css_killed_ref_fn enqueue(ffff888121f4dc00) [ 247.243991][ T2016] !!!! control_disable control_disable ss name cpu [ 247.256849][ T2016] !!!! control_disable control_disable ss name memory [ 247.263610][ T2016] !!!! control_disable control_disable ss name pids [ 247.270183][ T2016] !!!! control_disable kill_css(ffff888121f4ec00) [ 247.276690][ T2016] !!!! IN kill css_get(ffff888121f4ec00) [ 247.282422][ T2016] !!!! IN kill css_get(ffff888121f4ec00) [ 247.288134][ T2016] !!!! control_disable control_disable ss name cpu [ 247.294648][ T2016] !!!! control_disable control_disable ss name memory [ 247.301396][ T2016] !!!! control_disable control_disable ss name cpu [ 247.307914][ T2016] !!!! control_disable control_disable ss name memory [ 247.314684][ T2016] !!!! control_disable control_disable ss name cpu [ 247.321162][ T2016] !!!! control_disable control_disable ss name memory [ 247.327941][ T2016] !!!! control_disable control_disable ss name cpu [ 247.334455][ T2016] !!!! control_disable control_disable ss name memory [ 247.341191][ T2016] !!!! control_disable control_disable ss name pids [ 247.347802][ T2016] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 247.354344][ T5] !!!! css_release_work_fn(ffff88811ac47000) [ 247.359327][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.360442][ T5] !!!! css_release_work_fn(ffff888116c02000) [ 247.368819][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.375053][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.380276][ T378] !!!! css_release_work_fn(ffff888110e50400) [ 247.387431][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.393773][ T378] !!!! css_free_rwork_fn(ffff888116c01c00) [ 247.401630][ C0] !!!! css_killed_ref_fn enqueue(ffff888121f4cc00) [ 247.407115][ T378] !!!! css_free_rwork_fn(ffff888115ee3800) [ 247.413039][ C0] !!!! css_killed_ref_fn enqueue(ffff888121f4ec00) [ 247.413076][ T34] !!!! css_killed_work_fn css_put(ffff888121f4cc00) [ 247.418984][ T378] !!!! css_free_rwork_fn(ffff888110e52800) [ 247.427175][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.432904][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.438265][ T34] !!!! css_release enqueue(ffff888121f4cc00) [ 247.445442][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.456273][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.458685][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.467946][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.472504][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.478869][ T34] !!!! css_killed_work_fn css_put(ffff888121f4ec00) [ 247.490734][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 247.492697][ T34] !!!! css_release enqueue(ffff888121f4ec00) [ 247.512213][ T435] !!!! css_killed_work_fn css_put(ffff888121f4dc00) [ 247.512268][ T5] !!!! css_free_rwork_fn(ffff88811ac47000) [ 247.519026][ T435] !!!! css_release enqueue(ffff888121f4dc00) [ 247.525422][ T5] !!!! css_free_rwork_fn(ffff888116c02000) [ 247.531250][ T2027] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 247.536989][ T5] !!!! css_release_work_fn(ffff888121f4cc00) [ 247.543669][ T378] !!!! css_free_rwork_fn(ffff888110e50400) [ 247.549987][ T5] !!!! css_release_work_fn(ffff888121f4ec00) [ 247.561812][ T2013] !!!! css_create css ffff88811741b400 !!!! [ 247.567779][ T2013] !!!! css_create css ffff888117418800 !!!! [ 247.573848][ T2013] !!!! css_create css ffff88811741a800 !!!! [ 247.579793][ T2013] FAULT_INJECTION: forcing a failure. [ 247.579793][ T2013] name failslab, interval 1, probability 0, space 0, times 0 [ 247.592488][ T5] !!!! css_free_rwork_fn(ffff888121f4cc00) [ 247.592809][ T2013] CPU: 1 PID: 2013 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 247.598490][ T5] !!!! css_free_rwork_fn(ffff888121f4ec00) [ 247.610082][ T2013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.610087][ T2013] Call Trace: [ 247.610107][ T2013] dump_stack_lvl+0x1e2/0x24b [ 247.610118][ T2013] ? bfq_pos_tree_add_move+0x43e/0x43e [ 247.610127][ T2013] dump_stack+0x15/0x17 [ 247.610136][ T2013] should_fail+0x3c0/0x510 [ 247.610155][ T2013] ? __kernfs_new_node+0x99/0x6e0 [ 247.653244][ T2013] __should_failslab+0x9f/0xe0 [ 247.658000][ T2013] should_failslab+0x9/0x20 [ 247.662485][ T2013] __kmalloc_track_caller+0x5f/0x350 [ 247.667762][ T2013] kstrdup_const+0x55/0x90 [ 247.672333][ T2013] __kernfs_new_node+0x99/0x6e0 [ 247.677177][ T2013] ? stack_trace_save+0x1f0/0x1f0 [ 247.682178][ T2013] ? kernfs_new_node+0x170/0x170 [ 247.687292][ T2013] ? ptr_to_hashval+0x60/0x60 [ 247.691943][ T2013] ? snprintf+0xd6/0x120 [ 247.696163][ T2013] kernfs_new_node+0x97/0x170 [ 247.700826][ T2013] __kernfs_create_file+0x4a/0x270 [ 247.706370][ T2013] cgroup_addrm_files+0xab8/0xfe0 [ 247.711372][ T2013] ? cgroup_apply_control_enable+0x734/0x12e0 [ 247.717420][ T2013] ? cgroup_apply_control+0x93/0x710 [ 247.722703][ T2013] ? cgroup_subtree_control_write+0xd19/0x1310 [ 247.728832][ T2013] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 247.735059][ T2013] ? delete_node+0x759/0x7b0 [ 247.739983][ T2013] ? __kasan_check_read+0x11/0x20 [ 247.745156][ T2013] ? delete_node+0x759/0x7b0 [ 247.749726][ T2013] ? __kasan_check_write+0x14/0x20 [ 247.754816][ T2013] ? __radix_tree_replace+0x246/0x2e0 [ 247.760168][ T2013] ? idr_get_next+0x4b0/0x4b0 [ 247.764820][ T2013] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 247.769819][ T2013] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 247.775013][ T2013] css_populate_dir+0x137/0x370 [ 247.779853][ T2013] cgroup_apply_control_enable+0x629/0x12e0 [ 247.785740][ T2013] cgroup_apply_control+0x93/0x710 [ 247.790913][ T2013] ? css_next_child+0x160/0x160 [ 247.795742][ T2013] ? io_schedule+0x120/0x120 [ 247.800393][ T2013] ? kernfs_fop_write_iter+0x15e/0x410 [ 247.805854][ T2013] ? __kasan_check_write+0x14/0x20 [ 247.810958][ T2013] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 247.816237][ T2013] cgroup_subtree_control_write+0xd19/0x1310 [ 247.822200][ T2013] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.828159][ T2013] ? __kasan_check_write+0x14/0x20 [ 247.833265][ T2013] ? _copy_from_iter+0x3fb/0xd60 [ 247.838180][ T2013] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 247.844136][ T2013] cgroup_file_write+0x28e/0x590 [ 247.849057][ T2013] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.854154][ T2013] ? mutex_lock+0xa6/0x110 [ 247.858548][ T2013] ? mutex_trylock+0xb0/0xb0 [ 247.863113][ T2013] ? __kasan_check_write+0x14/0x20 [ 247.868215][ T2013] kernfs_fop_write_iter+0x2d0/0x410 [ 247.873479][ T2013] ? cgroup_seqfile_stop+0xc0/0xc0 [ 247.878567][ T2013] vfs_write+0xc1c/0xf40 [ 247.882786][ T2013] ? kernel_write+0x3c0/0x3c0 [ 247.887447][ T2013] ? mutex_trylock+0xb0/0xb0 [ 247.892014][ T2013] ? __fdget_pos+0x26d/0x310 [ 247.896575][ T2013] ? ksys_write+0x77/0x2c0 [ 247.900967][ T2013] ksys_write+0x198/0x2c0 [ 247.905271][ T2013] ? __ia32_sys_read+0x90/0x90 [ 247.910009][ T2013] ? debug_smp_processor_id+0x17/0x20 [ 247.915352][ T2013] __x64_sys_write+0x7b/0x90 [ 247.919918][ T2013] do_syscall_64+0x34/0x70 [ 247.924311][ T2013] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 247.930177][ T2013] RIP: 0033:0x7ff3e27b70e9 [ 247.934567][ T2013] 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 [ 247.954145][ T2013] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.962545][ T2013] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 247.970501][ T2013] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 247.978449][ T2013] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 247.986400][ T2013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 247.994357][ T2013] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 248.002557][ T2013] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 248.009697][ T2013] !!!! control_disable control_disable ss name cpu [ 248.016976][ T2013] !!!! control_disable control_disable ss name memory [ 248.023906][ T2013] !!!! control_disable control_disable ss name pids [ 248.030569][ T2013] !!!! control_disable kill_css(ffff88811741b400) [ 248.037240][ T2013] !!!! IN kill css_get(ffff88811741b400) [ 248.044353][ T2013] !!!! IN kill css_get(ffff88811741b400) [ 248.050157][ T2013] !!!! control_disable control_disable ss name cpu [ 248.056982][ T2013] !!!! control_disable control_disable ss name memory [ 248.063931][ T2013] !!!! control_disable control_disable ss name pids [ 248.070687][ T2013] !!!! control_disable kill_css(ffff888117418800) [ 248.077557][ T2013] !!!! IN kill css_get(ffff888117418800) [ 248.077737][ C0] !!!! css_killed_ref_fn enqueue(ffff88811741b400) [ 248.083580][ T2013] !!!! IN kill css_get(ffff888117418800) [ 248.096002][ T2013] !!!! control_disable control_disable ss name cpu [ 248.102799][ T2013] !!!! control_disable control_disable ss name memory [ 248.109633][ T2013] !!!! control_disable control_disable ss name pids [ 248.116246][ T2013] !!!! control_disable kill_css(ffff88811741a800) [ 248.122740][ T2013] !!!! IN kill css_get(ffff88811741a800) [ 248.128448][ T2013] !!!! IN kill css_get(ffff88811741a800) [ 248.134195][ T2013] !!!! control_disable control_disable ss name cpu [ 248.140683][ T2013] !!!! control_disable control_disable ss name memory [ 248.147481][ T2013] !!!! control_disable control_disable ss name cpu [ 248.153987][ T2013] !!!! control_disable control_disable ss name memory [ 248.160721][ T2013] !!!! control_disable control_disable ss name cpu [ 248.167461][ T2013] !!!! control_disable control_disable ss name memory [ 248.174528][ T2013] !!!! control_disable control_disable ss name cpu [ 248.181088][ T2013] !!!! control_disable control_disable ss name memory [ 248.187877][ C1] !!!! css_killed_ref_fn enqueue(ffff888117418800) [ 248.194961][ T2013] !!!! control_disable control_disable ss name pids [ 248.201722][ T378] !!!! css_release_work_fn(ffff888121f4dc00) [ 248.207865][ T5] !!!! css_killed_work_fn css_put(ffff88811741b400) [ 248.207880][ T2013] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 248.214574][ C1] !!!! css_killed_ref_fn enqueue(ffff88811741a800) [ 248.215434][ T5] !!!! css_release enqueue(ffff88811741b400) [ 248.234002][ T5] !!!! css_release_work_fn(ffff88811741b400) [ 248.235187][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.246998][ T378] !!!! css_killed_work_fn css_put(ffff888117418800) [ 248.248215][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.254920][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.267892][ T378] !!!! css_release enqueue(ffff888117418800) [ 248.268250][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.274695][ T449] !!!! css_killed_work_fn css_put(ffff88811741a800) [ 248.281201][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.287861][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.294882][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.301529][ T449] !!!! css_release enqueue(ffff88811741a800) [ 248.308517][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.314742][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.321558][ T5] !!!! css_free_rwork_fn(ffff88811741b400) [ 248.328670][ T2011] !!!! css_create css ffff8881131d0400 !!!! [ 248.335422][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.340434][ T378] !!!! css_free_rwork_fn(ffff888121f4dc00) [ 248.347623][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.353680][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 248.360028][ T2011] !!!! css_create css ffff888111e69800 !!!! [ 248.372680][ T2011] !!!! css_create css ffff888111e69000 !!!! [ 248.378572][ T2011] FAULT_INJECTION: forcing a failure. [ 248.378572][ T2011] name failslab, interval 1, probability 0, space 0, times 0 [ 248.391288][ T2011] CPU: 0 PID: 2011 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 248.402914][ T2011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.413038][ T2011] Call Trace: [ 248.416313][ T2011] dump_stack_lvl+0x1e2/0x24b [ 248.420972][ T2011] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.426417][ T2011] ? serial8250_console_write+0xae0/0xe60 [ 248.432117][ T2011] ? record_print_text+0x266/0x420 [ 248.437218][ T2011] dump_stack+0x15/0x17 [ 248.441346][ T2011] should_fail+0x3c0/0x510 [ 248.445741][ T2011] ? __kernfs_new_node+0x99/0x6e0 [ 248.450831][ T2011] __should_failslab+0x9f/0xe0 [ 248.455571][ T2011] should_failslab+0x9/0x20 [ 248.460075][ T2011] __kmalloc_track_caller+0x5f/0x350 [ 248.465875][ T2011] kstrdup_const+0x55/0x90 [ 248.470277][ T2011] __kernfs_new_node+0x99/0x6e0 [ 248.475114][ T2011] ? stack_trace_save+0x1f0/0x1f0 [ 248.480131][ T2011] ? kernfs_new_node+0x170/0x170 [ 248.485048][ T2011] ? ptr_to_hashval+0x60/0x60 [ 248.489733][ T2011] ? snprintf+0xd6/0x120 [ 248.493974][ T2011] kernfs_new_node+0x97/0x170 [ 248.498656][ T2011] __kernfs_create_file+0x4a/0x270 [ 248.503849][ T2011] cgroup_addrm_files+0xab8/0xfe0 [ 248.508877][ T2011] ? cgroup_apply_control_enable+0x734/0x12e0 [ 248.514921][ T2011] ? cgroup_apply_control+0x93/0x710 [ 248.520202][ T2011] ? cgroup_subtree_control_write+0xd19/0x1310 [ 248.526352][ T2011] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 248.532506][ T2011] ? delete_node+0x759/0x7b0 [ 248.537204][ T2011] ? __kasan_check_read+0x11/0x20 [ 248.542207][ T2011] ? delete_node+0x759/0x7b0 [ 248.546772][ T2011] ? __kasan_check_write+0x14/0x20 [ 248.551870][ T2011] ? __radix_tree_replace+0x246/0x2e0 [ 248.557231][ T2011] ? idr_get_next+0x4b0/0x4b0 [ 248.561902][ T2011] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 248.566902][ T2011] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 248.572169][ T2011] css_populate_dir+0x137/0x370 [ 248.577035][ T2011] cgroup_apply_control_enable+0x629/0x12e0 [ 248.583041][ T2011] cgroup_apply_control+0x93/0x710 [ 248.588137][ T2011] ? css_next_child+0x160/0x160 [ 248.592979][ T2011] ? set_next_entity+0xc5/0x390 [ 248.597804][ T2011] ? io_schedule+0x120/0x120 [ 248.602375][ T2011] ? kernfs_fop_write_iter+0x15e/0x410 [ 248.607930][ T2011] ? __kasan_check_write+0x14/0x20 [ 248.613018][ T2011] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 248.618283][ T2011] cgroup_subtree_control_write+0xd19/0x1310 [ 248.624254][ T2011] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.630212][ T2011] ? __kasan_check_write+0x14/0x20 [ 248.635309][ T2011] ? _copy_from_iter+0x3fb/0xd60 [ 248.640308][ T2011] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 248.646260][ T2011] cgroup_file_write+0x28e/0x590 [ 248.651180][ T2011] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.656275][ T2011] ? mutex_lock+0xa6/0x110 [ 248.660685][ T2011] ? mutex_trylock+0xb0/0xb0 [ 248.665263][ T2011] ? __kasan_check_write+0x14/0x20 [ 248.670627][ T2011] kernfs_fop_write_iter+0x2d0/0x410 [ 248.675982][ T2011] ? cgroup_seqfile_stop+0xc0/0xc0 [ 248.681082][ T2011] vfs_write+0xc1c/0xf40 [ 248.685585][ T2011] ? kernel_write+0x3c0/0x3c0 [ 248.690241][ T2011] ? mutex_trylock+0xb0/0xb0 [ 248.694804][ T2011] ? __fdget_pos+0x26d/0x310 [ 248.699366][ T2011] ? ksys_write+0x77/0x2c0 [ 248.703769][ T2011] ksys_write+0x198/0x2c0 [ 248.708085][ T2011] ? __ia32_sys_read+0x90/0x90 [ 248.712830][ T2011] ? debug_smp_processor_id+0x17/0x20 [ 248.718185][ T2011] __x64_sys_write+0x7b/0x90 [ 248.722747][ T2011] do_syscall_64+0x34/0x70 [ 248.727250][ T2011] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 248.733211][ T2011] RIP: 0033:0x7f5d5b96a0e9 [ 248.737632][ T2011] 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 [ 248.757219][ T2011] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 248.765619][ T2011] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 248.773586][ T2011] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 248.781546][ T2011] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 248.789527][ T2011] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 248.797480][ T2011] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 248.805787][ T2011] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 248.812849][ T2011] !!!! control_disable control_disable ss name cpu [ 248.819603][ T2011] !!!! control_disable control_disable ss name memory [ 248.826395][ T2011] !!!! control_disable control_disable ss name pids [ 248.832984][ T2011] !!!! control_disable kill_css(ffff8881131d0400) [ 248.839513][ T2011] !!!! IN kill css_get(ffff8881131d0400) [ 248.845252][ T2011] !!!! IN kill css_get(ffff8881131d0400) [ 248.850961][ T2011] !!!! control_disable control_disable ss name cpu [ 248.857652][ T2011] !!!! control_disable control_disable ss name memory [ 248.864596][ T2011] !!!! control_disable control_disable ss name pids [ 248.871154][ T2011] !!!! control_disable kill_css(ffff888111e69800) [ 248.877696][ T2011] !!!! IN kill css_get(ffff888111e69800) [ 248.883470][ T2011] !!!! IN kill css_get(ffff888111e69800) [ 248.889373][ T2011] !!!! control_disable control_disable ss name cpu [ 248.895889][ T2011] !!!! control_disable control_disable ss name memory [ 248.902783][ T2011] !!!! control_disable control_disable ss name pids [ 248.909341][ T2011] !!!! control_disable kill_css(ffff888111e69000) [ 248.915842][ T2011] !!!! IN kill css_get(ffff888111e69000) [ 248.921538][ T2011] !!!! IN kill css_get(ffff888111e69000) [ 248.927275][ T2011] !!!! control_disable control_disable ss name cpu [ 248.933868][ T2011] !!!! control_disable control_disable ss name memory [ 248.940597][ T2011] !!!! control_disable control_disable ss name cpu [ 248.947091][ T2011] !!!! control_disable control_disable ss name memory [ 248.953853][ T2011] !!!! control_disable control_disable ss name cpu [ 248.960322][ T2011] !!!! control_disable control_disable ss name memory [ 248.967095][ T2011] !!!! control_disable control_disable ss name cpu [ 248.973690][ T2011] !!!! control_disable control_disable ss name memory [ 248.980506][ T2011] !!!! control_disable control_disable ss name pids [ 248.987121][ T2011] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 248.987367][ T449] !!!! css_release_work_fn(ffff888117418800) [ 248.999717][ T449] !!!! css_release_work_fn(ffff88811741a800) [ 249.005226][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.012725][ C0] !!!! css_killed_ref_fn enqueue(ffff8881131d0400) [ 249.012748][ C0] !!!! css_killed_ref_fn enqueue(ffff888111e69800) [ 249.026403][ C0] !!!! css_killed_ref_fn enqueue(ffff888111e69000) [ 249.033135][ T5] !!!! css_killed_work_fn css_put(ffff8881131d0400) [ 249.033879][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.039819][ T5] !!!! css_release enqueue(ffff8881131d0400) [ 249.047434][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.054006][ T5] !!!! css_killed_work_fn css_put(ffff888111e69800) [ 249.059687][ T449] !!!! css_free_rwork_fn(ffff888117418800) [ 249.066549][ T5] !!!! css_release enqueue(ffff888111e69800) [ 249.072339][ T449] !!!! css_free_rwork_fn(ffff88811741a800) [ 249.079147][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.091354][ T5] !!!! css_killed_work_fn css_put(ffff888111e69000) [ 249.098235][ T5] !!!! css_release enqueue(ffff888111e69000) [ 249.104398][ T2027] !!!! css_create css ffff8881150f2400 !!!! [ 249.110312][ T2027] !!!! css_create css ffff8881150f3800 !!!! [ 249.116311][ T2027] !!!! css_create css ffff8881174a5c00 !!!! [ 249.122476][ T2027] FAULT_INJECTION: forcing a failure. [ 249.122476][ T2027] name failslab, interval 1, probability 0, space 0, times 0 [ 249.135098][ T2027] CPU: 1 PID: 2027 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 249.146735][ T2027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.156953][ T2027] Call Trace: [ 249.160225][ T2027] dump_stack_lvl+0x1e2/0x24b [ 249.164885][ T2027] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.170405][ T2027] ? find_next_bit+0xd6/0x120 [ 249.175052][ T2027] ? cpumask_next+0x11/0x30 [ 249.179618][ T2027] dump_stack+0x15/0x17 [ 249.183838][ T2027] should_fail+0x3c0/0x510 [ 249.188242][ T2027] ? percpu_ref_init+0xd0/0x330 [ 249.193067][ T2027] __should_failslab+0x9f/0xe0 [ 249.197819][ T2027] should_failslab+0x9/0x20 [ 249.202468][ T2027] kmem_cache_alloc_trace+0x3a/0x330 [ 249.207737][ T2027] percpu_ref_init+0xd0/0x330 [ 249.212489][ T2027] ? cgroup_setup_root+0xea0/0xea0 [ 249.217575][ T2027] cgroup_apply_control_enable+0x734/0x12e0 [ 249.223441][ T2027] cgroup_apply_control+0x93/0x710 [ 249.228523][ T2027] ? css_next_child+0x160/0x160 [ 249.233348][ T2027] ? io_schedule+0x120/0x120 [ 249.237909][ T2027] ? kernfs_fop_write_iter+0x15e/0x410 [ 249.243346][ T2027] ? __kasan_check_write+0x14/0x20 [ 249.248443][ T2027] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 249.253742][ T2027] cgroup_subtree_control_write+0xd19/0x1310 [ 249.259881][ T2027] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.266044][ T2027] ? __kasan_check_write+0x14/0x20 [ 249.271128][ T2027] ? _copy_from_iter+0x3fb/0xd60 [ 249.276517][ T2027] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.282476][ T2027] cgroup_file_write+0x28e/0x590 [ 249.287388][ T2027] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.292478][ T2027] ? mutex_lock+0xa6/0x110 [ 249.296873][ T2027] ? mutex_trylock+0xb0/0xb0 [ 249.301435][ T2027] ? __kasan_check_write+0x14/0x20 [ 249.306520][ T2027] kernfs_fop_write_iter+0x2d0/0x410 [ 249.311790][ T2027] ? cgroup_seqfile_stop+0xc0/0xc0 [ 249.316960][ T2027] vfs_write+0xc1c/0xf40 [ 249.321177][ T2027] ? kernel_write+0x3c0/0x3c0 [ 249.325825][ T2027] ? mutex_trylock+0xb0/0xb0 [ 249.330488][ T2027] ? __fdget_pos+0x26d/0x310 [ 249.335048][ T2027] ? ksys_write+0x77/0x2c0 [ 249.339436][ T2027] ksys_write+0x198/0x2c0 [ 249.343772][ T2027] ? __ia32_sys_read+0x90/0x90 [ 249.348507][ T2027] ? debug_smp_processor_id+0x17/0x20 [ 249.353859][ T2027] __x64_sys_write+0x7b/0x90 [ 249.358428][ T2027] do_syscall_64+0x34/0x70 [ 249.362819][ T2027] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 249.368813][ T2027] RIP: 0033:0x7fe9a8a760e9 [ 249.373417][ T2027] 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 [ 249.393011][ T2027] RSP: 002b:00007fe9a89ec168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 249.401401][ T2027] RAX: ffffffffffffffda RBX: 00007fe9a8b88f60 RCX: 00007fe9a8a760e9 [ 249.409353][ T2027] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 249.417296][ T2027] RBP: 00007fe9a89ec1d0 R08: 0000000000000000 R09: 0000000000000000 [ 249.425266][ T2027] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 249.433217][ T2027] R13: 00007ffc015d045f R14: 00007fe9a89ec300 R15: 0000000000022000 [ 249.441868][ T2027] !!!! css_create rcu_enqueue(ffff8881174a5c00) !!!! [ 249.448682][ T2027] !!!! control_disable control_disable ss name cpu [ 249.455253][ T2027] !!!! control_disable control_disable ss name memory [ 249.462092][ T2027] !!!! control_disable control_disable ss name pids [ 249.468939][ T2027] !!!! control_disable kill_css(ffff8881150f2400) [ 249.475635][ T2027] !!!! IN kill css_get(ffff8881150f2400) [ 249.481334][ T2027] !!!! IN kill css_get(ffff8881150f2400) [ 249.487113][ T2027] !!!! control_disable control_disable ss name cpu [ 249.493686][ T435] !!!! css_free_rwork_fn(ffff8881174a5c00) [ 249.493703][ T2027] !!!! control_disable control_disable ss name memory [ 249.506446][ T2027] !!!! control_disable control_disable ss name pids [ 249.513039][ T2027] !!!! control_disable kill_css(ffff8881150f3800) [ 249.519647][ T2027] !!!! IN kill css_get(ffff8881150f3800) [ 249.521646][ C1] !!!! css_killed_ref_fn enqueue(ffff8881150f2400) [ 249.525381][ T2027] !!!! IN kill css_get(ffff8881150f3800) [ 249.537644][ T2027] !!!! control_disable control_disable ss name cpu [ 249.544170][ T2027] !!!! control_disable control_disable ss name memory [ 249.550932][ T2027] !!!! control_disable control_disable ss name cpu [ 249.557448][ T2027] !!!! control_disable control_disable ss name memory [ 249.564423][ T2027] !!!! control_disable control_disable ss name cpu [ 249.570906][ T2027] !!!! control_disable control_disable ss name memory [ 249.577935][ T2027] !!!! control_disable control_disable ss name cpu [ 249.584460][ T2027] !!!! control_disable control_disable ss name memory [ 249.591305][ T2027] !!!! control_disable control_disable ss name cpu [ 249.597815][ T2027] !!!! control_disable control_disable ss name memory [ 249.604640][ T2027] !!!! control_disable control_disable ss name pids [ 249.611794][ T2027] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 249.618421][ T5] !!!! css_release_work_fn(ffff8881131d0400) [ 249.624623][ T5] !!!! css_release_work_fn(ffff888111e69800) [ 249.630717][ T435] !!!! css_killed_work_fn css_put(ffff8881150f2400) [ 249.638358][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.641651][ C0] !!!! css_killed_ref_fn enqueue(ffff8881150f3800) [ 249.645271][ T435] !!!! css_release enqueue(ffff8881150f2400) [ 249.652976][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.657902][ T435] !!!! css_release_work_fn(ffff8881150f2400) [ 249.665341][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.678017][ T5] !!!! css_release_work_fn(ffff888111e69000) [ 249.684331][ T5] !!!! css_killed_work_fn css_put(ffff8881150f3800) [ 249.685144][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 249.691058][ T5] !!!! css_release enqueue(ffff8881150f3800) [ 249.698224][ T435] !!!! css_free_rwork_fn(ffff8881150f2400) [ 249.704008][ T5] !!!! css_free_rwork_fn(ffff8881131d0400) [ 249.710008][ T2010] !!!! css_create css ffff8881172a1400 !!!! [ 249.716074][ T5] !!!! css_free_rwork_fn(ffff888111e69800) [ 249.721878][ T2010] !!!! css_create css ffff8881172a3000 !!!! [ 249.733661][ T2010] !!!! css_create css ffff8881172a1800 !!!! [ 249.739555][ T2010] FAULT_INJECTION: forcing a failure. [ 249.739555][ T2010] name failslab, interval 1, probability 0, space 0, times 0 [ 249.752203][ T2010] CPU: 1 PID: 2010 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 249.763811][ T2010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.773874][ T2010] Call Trace: [ 249.777317][ T2010] dump_stack_lvl+0x1e2/0x24b [ 249.781983][ T2010] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.787422][ T2010] ? serial8250_console_write+0xae0/0xe60 [ 249.793265][ T2010] ? record_print_text+0x266/0x420 [ 249.798387][ T2010] dump_stack+0x15/0x17 [ 249.802545][ T2010] should_fail+0x3c0/0x510 [ 249.806953][ T2010] ? __kernfs_new_node+0x99/0x6e0 [ 249.811963][ T2010] __should_failslab+0x9f/0xe0 [ 249.816808][ T2010] should_failslab+0x9/0x20 [ 249.821287][ T2010] __kmalloc_track_caller+0x5f/0x350 [ 249.826547][ T2010] kstrdup_const+0x55/0x90 [ 249.830947][ T2010] __kernfs_new_node+0x99/0x6e0 [ 249.835786][ T2010] ? stack_trace_save+0x1f0/0x1f0 [ 249.840811][ T2010] ? kernfs_new_node+0x170/0x170 [ 249.845723][ T2010] ? ptr_to_hashval+0x60/0x60 [ 249.850394][ T2010] ? snprintf+0xd6/0x120 [ 249.854656][ T2010] kernfs_new_node+0x97/0x170 [ 249.859317][ T2010] __kernfs_create_file+0x4a/0x270 [ 249.864403][ T2010] cgroup_addrm_files+0xab8/0xfe0 [ 249.869411][ T2010] ? cgroup_apply_control_enable+0x734/0x12e0 [ 249.875449][ T2010] ? cgroup_apply_control+0x93/0x710 [ 249.880719][ T2010] ? cgroup_subtree_control_write+0xd19/0x1310 [ 249.886862][ T2010] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 249.892986][ T2010] ? delete_node+0x759/0x7b0 [ 249.897550][ T2010] ? __kasan_check_read+0x11/0x20 [ 249.902566][ T2010] ? delete_node+0x759/0x7b0 [ 249.907136][ T2010] ? __kasan_check_write+0x14/0x20 [ 249.912247][ T2010] ? __radix_tree_replace+0x246/0x2e0 [ 249.917592][ T2010] ? idr_get_next+0x4b0/0x4b0 [ 249.922249][ T2010] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 249.927258][ T2010] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 249.932528][ T2010] css_populate_dir+0x137/0x370 [ 249.937353][ T2010] cgroup_apply_control_enable+0x629/0x12e0 [ 249.943398][ T2010] cgroup_apply_control+0x93/0x710 [ 249.948501][ T2010] ? css_next_child+0x160/0x160 [ 249.953504][ T2010] ? set_next_entity+0xc5/0x390 [ 249.958333][ T2010] ? io_schedule+0x120/0x120 [ 249.962980][ T2010] ? kernfs_fop_write_iter+0x15e/0x410 [ 249.968434][ T2010] ? __kasan_check_write+0x14/0x20 [ 249.973523][ T2010] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 249.978781][ T2010] cgroup_subtree_control_write+0xd19/0x1310 [ 249.984747][ T2010] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 249.990784][ T2010] ? __kasan_check_write+0x14/0x20 [ 249.995976][ T2010] ? _copy_from_iter+0x3fb/0xd60 [ 250.001026][ T2010] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 250.007026][ T2010] cgroup_file_write+0x28e/0x590 [ 250.011946][ T2010] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.017038][ T2010] ? mutex_lock+0xa6/0x110 [ 250.021437][ T2010] ? mutex_trylock+0xb0/0xb0 [ 250.026004][ T2010] ? __kasan_check_write+0x14/0x20 [ 250.031089][ T2010] kernfs_fop_write_iter+0x2d0/0x410 [ 250.036372][ T2010] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.041480][ T2010] vfs_write+0xc1c/0xf40 [ 250.045718][ T2010] ? kernel_write+0x3c0/0x3c0 [ 250.051503][ T2010] ? mutex_trylock+0xb0/0xb0 [ 250.056068][ T2010] ? __fdget_pos+0x26d/0x310 [ 250.060713][ T2010] ? ksys_write+0x77/0x2c0 [ 250.065203][ T2010] ksys_write+0x198/0x2c0 [ 250.069510][ T2010] ? __ia32_sys_read+0x90/0x90 [ 250.074343][ T2010] ? debug_smp_processor_id+0x17/0x20 [ 250.079691][ T2010] __x64_sys_write+0x7b/0x90 [ 250.084260][ T2010] do_syscall_64+0x34/0x70 [ 250.088739][ T2010] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 250.094625][ T2010] RIP: 0033:0x7f75104510e9 [ 250.099017][ T2010] 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 [ 250.118996][ T2010] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 250.127391][ T2010] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 250.135343][ T2010] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 250.143301][ T2010] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 250.151248][ T2010] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 250.159218][ T2010] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 250.167585][ T2010] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 250.174656][ T2010] !!!! control_disable control_disable ss name cpu [ 250.181225][ T2010] !!!! control_disable control_disable ss name memory [ 250.188122][ T2010] !!!! control_disable control_disable ss name pids [ 250.194906][ T2010] !!!! control_disable kill_css(ffff8881172a1400) [ 250.201521][ T2010] !!!! IN kill css_get(ffff8881172a1400) [ 250.207342][ T2010] !!!! IN kill css_get(ffff8881172a1400) [ 250.213077][ T2010] !!!! control_disable control_disable ss name cpu [ 250.219550][ T2010] !!!! control_disable control_disable ss name memory [ 250.226345][ T2010] !!!! control_disable control_disable ss name pids [ 250.232972][ T2010] !!!! control_disable kill_css(ffff8881172a3000) [ 250.239474][ T2010] !!!! IN kill css_get(ffff8881172a3000) [ 250.245190][ T2010] !!!! IN kill css_get(ffff8881172a3000) [ 250.250905][ T2010] !!!! control_disable control_disable ss name cpu [ 250.257508][ T2010] !!!! control_disable control_disable ss name memory [ 250.264267][ T2010] !!!! control_disable control_disable ss name pids [ 250.270850][ T2010] !!!! control_disable kill_css(ffff8881172a1800) [ 250.277396][ T2010] !!!! IN kill css_get(ffff8881172a1800) [ 250.283136][ T2010] !!!! IN kill css_get(ffff8881172a1800) [ 250.288859][ T2010] !!!! control_disable control_disable ss name cpu [ 250.295390][ T2010] !!!! control_disable control_disable ss name memory [ 250.302158][ T2010] !!!! control_disable control_disable ss name cpu [ 250.308739][ T2010] !!!! control_disable control_disable ss name memory [ 250.315691][ T2010] !!!! control_disable control_disable ss name cpu [ 250.322218][ T2010] !!!! control_disable control_disable ss name memory [ 250.329077][ T2010] !!!! control_disable control_disable ss name cpu [ 250.335717][ T2010] !!!! control_disable control_disable ss name memory [ 250.342486][ T2010] !!!! control_disable control_disable ss name pids [ 250.349057][ T2010] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 250.349081][ T5] !!!! css_release_work_fn(ffff8881150f3800) [ 250.365625][ T5] !!!! css_free_rwork_fn(ffff888111e69000) [ 250.366898][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 250.378417][ C1] !!!! css_killed_ref_fn enqueue(ffff8881172a1400) [ 250.385024][ C1] !!!! css_killed_ref_fn enqueue(ffff8881172a3000) [ 250.385035][ C1] !!!! css_killed_ref_fn enqueue(ffff8881172a1800) [ 250.398913][ T435] !!!! css_killed_work_fn css_put(ffff8881172a1400) [ 250.405921][ T435] !!!! css_release enqueue(ffff8881172a1400) [ 250.412049][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 250.412679][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 250.419963][ T435] !!!! css_killed_work_fn css_put(ffff8881172a3000) [ 250.426494][ T5] !!!! css_free_rwork_fn(ffff8881150f3800) [ 250.432907][ T435] !!!! css_release enqueue(ffff8881172a3000) [ 250.438958][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 250.444815][ T435] !!!! css_killed_work_fn css_put(ffff8881172a1800) [ 250.458016][ T435] !!!! css_release enqueue(ffff8881172a1800) [ 250.464115][ T435] !!!! css_release_work_fn(ffff8881172a1400) [ 250.470301][ T2036] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 250.470381][ T2042] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 250.476866][ T2038] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 250.476923][ T2044] !!!! css_create css ffff88811723ec00 !!!! [ 250.496345][ T2044] !!!! css_create css ffff88811723f400 !!!! [ 250.502448][ T2044] !!!! css_create css ffff88811723e800 !!!! [ 250.508351][ T2044] FAULT_INJECTION: forcing a failure. [ 250.508351][ T2044] name failslab, interval 1, probability 0, space 0, times 0 [ 250.521138][ T2044] CPU: 1 PID: 2044 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 250.532752][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.542802][ T2044] Call Trace: [ 250.546075][ T2044] dump_stack_lvl+0x1e2/0x24b [ 250.550727][ T2044] ? bfq_pos_tree_add_move+0x43e/0x43e [ 250.556169][ T2044] ? serial8250_console_write+0xae0/0xe60 [ 250.561869][ T2044] ? record_print_text+0x266/0x420 [ 250.566993][ T2044] dump_stack+0x15/0x17 [ 250.571136][ T2044] should_fail+0x3c0/0x510 [ 250.575528][ T2044] ? __kernfs_new_node+0x99/0x6e0 [ 250.580526][ T2044] __should_failslab+0x9f/0xe0 [ 250.585269][ T2044] should_failslab+0x9/0x20 [ 250.589868][ T2044] __kmalloc_track_caller+0x5f/0x350 [ 250.595243][ T2044] kstrdup_const+0x55/0x90 [ 250.599657][ T2044] __kernfs_new_node+0x99/0x6e0 [ 250.604486][ T2044] ? stack_trace_save+0x1f0/0x1f0 [ 250.609487][ T2044] ? kernfs_new_node+0x170/0x170 [ 250.614487][ T2044] ? ptr_to_hashval+0x60/0x60 [ 250.619140][ T2044] ? snprintf+0xd6/0x120 [ 250.623498][ T2044] kernfs_new_node+0x97/0x170 [ 250.628158][ T2044] __kernfs_create_file+0x4a/0x270 [ 250.633255][ T2044] cgroup_addrm_files+0xab8/0xfe0 [ 250.638345][ T2044] ? cgroup_apply_control_enable+0x734/0x12e0 [ 250.644391][ T2044] ? cgroup_apply_control+0x93/0x710 [ 250.649655][ T2044] ? cgroup_subtree_control_write+0xd19/0x1310 [ 250.655801][ T2044] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 250.661929][ T2044] ? delete_node+0x759/0x7b0 [ 250.666504][ T2044] ? __kasan_check_read+0x11/0x20 [ 250.671507][ T2044] ? delete_node+0x759/0x7b0 [ 250.676070][ T2044] ? __kasan_check_write+0x14/0x20 [ 250.681156][ T2044] ? __radix_tree_replace+0x246/0x2e0 [ 250.686596][ T2044] ? idr_get_next+0x4b0/0x4b0 [ 250.691265][ T2044] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 250.696265][ T2044] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 250.701442][ T2044] css_populate_dir+0x137/0x370 [ 250.706269][ T2044] cgroup_apply_control_enable+0x629/0x12e0 [ 250.712138][ T2044] cgroup_apply_control+0x93/0x710 [ 250.717221][ T2044] ? css_next_child+0x160/0x160 [ 250.722044][ T2044] ? set_next_entity+0xc5/0x390 [ 250.726869][ T2044] ? io_schedule+0x120/0x120 [ 250.731433][ T2044] ? kernfs_fop_write_iter+0x15e/0x410 [ 250.736864][ T2044] ? __kasan_check_write+0x14/0x20 [ 250.741948][ T2044] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 250.747211][ T2044] cgroup_subtree_control_write+0xd19/0x1310 [ 250.753166][ T2044] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 250.759118][ T2044] ? __kasan_check_write+0x14/0x20 [ 250.764202][ T2044] ? _copy_from_iter+0x3fb/0xd60 [ 250.769113][ T2044] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 250.775067][ T2044] cgroup_file_write+0x28e/0x590 [ 250.779978][ T2044] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.785063][ T2044] ? mutex_lock+0xa6/0x110 [ 250.789453][ T2044] ? mutex_trylock+0xb0/0xb0 [ 250.794016][ T2044] ? __kasan_check_write+0x14/0x20 [ 250.799117][ T2044] kernfs_fop_write_iter+0x2d0/0x410 [ 250.804392][ T2044] ? cgroup_seqfile_stop+0xc0/0xc0 [ 250.809487][ T2044] vfs_write+0xc1c/0xf40 [ 250.813737][ T2044] ? kernel_write+0x3c0/0x3c0 [ 250.818403][ T2044] ? mutex_trylock+0xb0/0xb0 [ 250.822986][ T2044] ? __fdget_pos+0x26d/0x310 [ 250.827568][ T2044] ? ksys_write+0x77/0x2c0 [ 250.831979][ T2044] ksys_write+0x198/0x2c0 [ 250.836292][ T2044] ? __ia32_sys_read+0x90/0x90 [ 250.841040][ T2044] ? debug_smp_processor_id+0x17/0x20 [ 250.846401][ T2044] __x64_sys_write+0x7b/0x90 [ 250.850983][ T2044] do_syscall_64+0x34/0x70 [ 250.855380][ T2044] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 250.861248][ T2044] RIP: 0033:0x7ff3e27b70e9 [ 250.865644][ T2044] 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 [ 250.885222][ T2044] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 250.893608][ T2044] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 250.901556][ T2044] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 250.909505][ T2044] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 250.917452][ T2044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 250.925405][ T2044] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 250.933734][ T2044] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 250.941001][ T2044] !!!! control_disable control_disable ss name cpu [ 250.947657][ T2044] !!!! control_disable control_disable ss name memory [ 250.954579][ T2044] !!!! control_disable control_disable ss name pids [ 250.961225][ T2044] !!!! control_disable kill_css(ffff88811723ec00) [ 250.967977][ T2044] !!!! IN kill css_get(ffff88811723ec00) [ 250.973770][ T2044] !!!! IN kill css_get(ffff88811723ec00) [ 250.979565][ T2044] !!!! control_disable control_disable ss name cpu [ 250.986124][ T2044] !!!! control_disable control_disable ss name memory [ 250.993074][ T2044] !!!! control_disable control_disable ss name pids [ 250.999707][ T2044] !!!! control_disable kill_css(ffff88811723f400) [ 251.006321][ T2044] !!!! IN kill css_get(ffff88811723f400) [ 251.012072][ C0] !!!! css_killed_ref_fn enqueue(ffff88811723ec00) [ 251.018791][ T2044] !!!! IN kill css_get(ffff88811723f400) [ 251.024549][ T2044] !!!! control_disable control_disable ss name cpu [ 251.031152][ T2044] !!!! control_disable control_disable ss name memory [ 251.037929][ T2044] !!!! control_disable control_disable ss name pids [ 251.044634][ T2044] !!!! control_disable kill_css(ffff88811723e800) [ 251.051115][ T2044] !!!! IN kill css_get(ffff88811723e800) [ 251.056844][ T2044] !!!! IN kill css_get(ffff88811723e800) [ 251.062585][ T2044] !!!! control_disable control_disable ss name cpu [ 251.069073][ T2044] !!!! control_disable control_disable ss name memory [ 251.075848][ T2044] !!!! control_disable control_disable ss name cpu [ 251.082478][ T2044] !!!! control_disable control_disable ss name memory [ 251.089217][ T2044] !!!! control_disable control_disable ss name cpu [ 251.095725][ T2044] !!!! control_disable control_disable ss name memory [ 251.102494][ T2044] !!!! control_disable control_disable ss name cpu [ 251.108969][ T2044] !!!! control_disable control_disable ss name memory [ 251.115732][ T2044] !!!! control_disable control_disable ss name pids [ 251.123053][ T2044] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) 2022/06/08 04:04:02 executed programs: 570 [ 251.123126][ T435] !!!! css_release_work_fn(ffff8881172a3000) [ 251.135818][ T435] !!!! css_release_work_fn(ffff8881172a1800) [ 251.141128][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.142069][ T435] !!!! css_free_rwork_fn(ffff8881172a1400) [ 251.149006][ T5] !!!! css_killed_work_fn css_put(ffff88811723ec00) [ 251.154684][ C0] !!!! css_killed_ref_fn enqueue(ffff88811723f400) [ 251.154703][ C0] !!!! css_killed_ref_fn enqueue(ffff88811723e800) [ 251.161900][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.168382][ T5] !!!! css_release enqueue(ffff88811723ec00) [ 251.174793][ T435] !!!! css_free_rwork_fn(ffff8881172a3000) [ 251.181970][ T5] !!!! css_killed_work_fn css_put(ffff88811723f400) [ 251.187934][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.193736][ T5] !!!! css_release enqueue(ffff88811723f400) [ 251.200952][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.207385][ T5] !!!! css_killed_work_fn css_put(ffff88811723e800) [ 251.213269][ T435] !!!! css_free_rwork_fn(ffff8881172a1800) [ 251.220323][ T5] !!!! css_release enqueue(ffff88811723e800) [ 251.238640][ T2048] !!!! css_create css ffff888119a1f000 !!!! [ 251.244745][ T2048] !!!! css_create css ffff888119a1d000 !!!! [ 251.250649][ T2048] !!!! css_create css ffff888119a1c000 !!!! [ 251.256861][ T2048] FAULT_INJECTION: forcing a failure. [ 251.256861][ T2048] name failslab, interval 1, probability 0, space 0, times 0 [ 251.269704][ T2048] CPU: 0 PID: 2048 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 251.281311][ T2048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.291347][ T2048] Call Trace: [ 251.294632][ T2048] dump_stack_lvl+0x1e2/0x24b [ 251.299293][ T2048] ? bfq_pos_tree_add_move+0x43e/0x43e [ 251.304754][ T2048] dump_stack+0x15/0x17 [ 251.308976][ T2048] should_fail+0x3c0/0x510 [ 251.313369][ T2048] ? __kernfs_new_node+0x99/0x6e0 [ 251.318459][ T2048] __should_failslab+0x9f/0xe0 [ 251.323201][ T2048] should_failslab+0x9/0x20 [ 251.327688][ T2048] __kmalloc_track_caller+0x5f/0x350 [ 251.332967][ T2048] kstrdup_const+0x55/0x90 [ 251.337366][ T2048] __kernfs_new_node+0x99/0x6e0 [ 251.342198][ T2048] ? stack_trace_save+0x1f0/0x1f0 [ 251.347353][ T2048] ? kernfs_new_node+0x170/0x170 [ 251.352282][ T2048] ? ptr_to_hashval+0x60/0x60 [ 251.356938][ T2048] ? snprintf+0xd6/0x120 [ 251.361159][ T2048] kernfs_new_node+0x97/0x170 [ 251.365813][ T2048] __kernfs_create_file+0x4a/0x270 [ 251.370925][ T2048] cgroup_addrm_files+0xab8/0xfe0 [ 251.375937][ T2048] ? cgroup_apply_control_enable+0x734/0x12e0 [ 251.381997][ T2048] ? cgroup_apply_control+0x93/0x710 [ 251.387266][ T2048] ? cgroup_subtree_control_write+0xd19/0x1310 [ 251.393400][ T2048] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 251.399540][ T2048] ? delete_node+0x759/0x7b0 [ 251.404130][ T2048] ? __kasan_check_read+0x11/0x20 [ 251.409132][ T2048] ? delete_node+0x759/0x7b0 [ 251.413699][ T2048] ? __kasan_check_write+0x14/0x20 [ 251.418934][ T2048] ? __radix_tree_replace+0x246/0x2e0 [ 251.424294][ T2048] ? idr_get_next+0x4b0/0x4b0 [ 251.428984][ T2048] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 251.434260][ T2048] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 251.439436][ T2048] css_populate_dir+0x137/0x370 [ 251.444309][ T2048] cgroup_apply_control_enable+0x629/0x12e0 [ 251.450183][ T2048] cgroup_apply_control+0x93/0x710 [ 251.455278][ T2048] ? css_next_child+0x160/0x160 [ 251.460109][ T2048] ? set_next_entity+0xc5/0x390 [ 251.464937][ T2048] ? io_schedule+0x120/0x120 [ 251.469502][ T2048] ? kernfs_fop_write_iter+0x15e/0x410 [ 251.474936][ T2048] ? __kasan_check_write+0x14/0x20 [ 251.480026][ T2048] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 251.485286][ T2048] cgroup_subtree_control_write+0xd19/0x1310 [ 251.491254][ T2048] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.497211][ T2048] ? __kasan_check_write+0x14/0x20 [ 251.502298][ T2048] ? _copy_from_iter+0x3fb/0xd60 [ 251.507219][ T2048] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 251.513172][ T2048] cgroup_file_write+0x28e/0x590 [ 251.518088][ T2048] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.523176][ T2048] ? mutex_lock+0xa6/0x110 [ 251.527566][ T2048] ? mutex_trylock+0xb0/0xb0 [ 251.532154][ T2048] ? __kasan_check_write+0x14/0x20 [ 251.537265][ T2048] kernfs_fop_write_iter+0x2d0/0x410 [ 251.542544][ T2048] ? cgroup_seqfile_stop+0xc0/0xc0 [ 251.547646][ T2048] vfs_write+0xc1c/0xf40 [ 251.551871][ T2048] ? kernel_write+0x3c0/0x3c0 [ 251.556528][ T2048] ? mutex_trylock+0xb0/0xb0 [ 251.561118][ T2048] ? __fdget_pos+0x26d/0x310 [ 251.565683][ T2048] ? ksys_write+0x77/0x2c0 [ 251.570077][ T2048] ksys_write+0x198/0x2c0 [ 251.574730][ T2048] ? __ia32_sys_read+0x90/0x90 [ 251.579539][ T2048] ? debug_smp_processor_id+0x17/0x20 [ 251.584913][ T2048] __x64_sys_write+0x7b/0x90 [ 251.589487][ T2048] do_syscall_64+0x34/0x70 [ 251.593894][ T2048] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 251.599763][ T2048] RIP: 0033:0x7f5d5b96a0e9 [ 251.604158][ T2048] 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 [ 251.623744][ T2048] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 251.632135][ T2048] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 251.640081][ T2048] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 251.648043][ T2048] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 251.656002][ T2048] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 251.663957][ T2048] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 251.672421][ T2048] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 251.679521][ T2048] !!!! control_disable control_disable ss name cpu [ 251.687524][ T2048] !!!! control_disable control_disable ss name memory [ 251.694391][ T2048] !!!! control_disable control_disable ss name pids [ 251.701251][ T2048] !!!! control_disable kill_css(ffff888119a1f000) [ 251.707943][ T2048] !!!! IN kill css_get(ffff888119a1f000) [ 251.713730][ T2048] !!!! IN kill css_get(ffff888119a1f000) [ 251.719480][ T2048] !!!! control_disable control_disable ss name cpu [ 251.726052][ T2048] !!!! control_disable control_disable ss name memory [ 251.732892][ T2048] !!!! control_disable control_disable ss name pids [ 251.739515][ T2048] !!!! control_disable kill_css(ffff888119a1d000) [ 251.746128][ T2048] !!!! IN kill css_get(ffff888119a1d000) [ 251.751653][ C1] !!!! css_killed_ref_fn enqueue(ffff888119a1f000) [ 251.751955][ T2048] !!!! IN kill css_get(ffff888119a1d000) [ 251.764180][ T2048] !!!! control_disable control_disable ss name cpu [ 251.770670][ T2048] !!!! control_disable control_disable ss name memory [ 251.777584][ T2048] !!!! control_disable control_disable ss name pids [ 251.784405][ T2048] !!!! control_disable kill_css(ffff888119a1c000) [ 251.790901][ T2048] !!!! IN kill css_get(ffff888119a1c000) [ 251.796630][ C0] !!!! css_killed_ref_fn enqueue(ffff888119a1d000) [ 251.803397][ T2048] !!!! IN kill css_get(ffff888119a1c000) [ 251.809352][ T2048] !!!! control_disable control_disable ss name cpu [ 251.815879][ T2048] !!!! control_disable control_disable ss name memory [ 251.822745][ T2048] !!!! control_disable control_disable ss name cpu [ 251.829484][ T2048] !!!! control_disable control_disable ss name memory [ 251.836418][ C0] !!!! css_killed_ref_fn enqueue(ffff888119a1c000) [ 251.843281][ T2048] !!!! control_disable control_disable ss name cpu [ 251.849883][ T2048] !!!! control_disable control_disable ss name memory [ 251.856663][ T2048] !!!! control_disable control_disable ss name cpu [ 251.863174][ T2048] !!!! control_disable control_disable ss name memory [ 251.869915][ T2048] !!!! control_disable control_disable ss name pids [ 251.876582][ T2048] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 251.883135][ T5] !!!! css_release_work_fn(ffff88811723ec00) [ 251.888159][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.889243][ T5] !!!! css_release_work_fn(ffff88811723f400) [ 251.896588][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.909167][ T378] !!!! css_killed_work_fn css_put(ffff888119a1f000) [ 251.910406][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.919944][ T378] !!!! css_release enqueue(ffff888119a1f000) [ 251.923189][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.928859][ T378] !!!! css_release_work_fn(ffff888119a1f000) [ 251.936295][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.942418][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.949368][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.956071][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 251.962646][ T5] !!!! css_release_work_fn(ffff88811723e800) [ 251.975533][ T34] !!!! css_killed_work_fn css_put(ffff888119a1d000) [ 251.981685][ T378] !!!! css_free_rwork_fn(ffff888119a1f000) [ 251.982329][ T34] !!!! css_release enqueue(ffff888119a1d000) [ 251.994293][ T34] !!!! css_killed_work_fn css_put(ffff888119a1c000) [ 252.001176][ T34] !!!! css_release enqueue(ffff888119a1c000) [ 252.007329][ T34] !!!! css_free_rwork_fn(ffff88811723ec00) [ 252.007861][ T2058] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 252.013256][ T2050] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 252.013408][ T2051] !!!! css_create css ffff888118468400 !!!! [ 252.032300][ T34] !!!! css_free_rwork_fn(ffff88811723f400) [ 252.038256][ T2051] !!!! css_create css ffff88811846a800 !!!! [ 252.044212][ T2051] !!!! css_create css ffff888118468800 !!!! [ 252.050134][ T2051] FAULT_INJECTION: forcing a failure. [ 252.050134][ T2051] name failslab, interval 1, probability 0, space 0, times 0 [ 252.062816][ T2051] CPU: 0 PID: 2051 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 252.074433][ T2051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.084485][ T2051] Call Trace: [ 252.087789][ T2051] dump_stack_lvl+0x1e2/0x24b [ 252.092450][ T2051] ? bfq_pos_tree_add_move+0x43e/0x43e [ 252.097910][ T2051] ? serial8250_console_write+0xae0/0xe60 [ 252.103815][ T2051] ? record_print_text+0x266/0x420 [ 252.108906][ T2051] dump_stack+0x15/0x17 [ 252.113040][ T2051] should_fail+0x3c0/0x510 [ 252.117440][ T2051] ? __kernfs_new_node+0x99/0x6e0 [ 252.122445][ T2051] __should_failslab+0x9f/0xe0 [ 252.127194][ T2051] should_failslab+0x9/0x20 [ 252.131684][ T2051] __kmalloc_track_caller+0x5f/0x350 [ 252.136945][ T2051] kstrdup_const+0x55/0x90 [ 252.141359][ T2051] __kernfs_new_node+0x99/0x6e0 [ 252.146194][ T2051] ? stack_trace_save+0x1f0/0x1f0 [ 252.151198][ T2051] ? kernfs_new_node+0x170/0x170 [ 252.156111][ T2051] ? ptr_to_hashval+0x60/0x60 [ 252.160763][ T2051] ? snprintf+0xd6/0x120 [ 252.164984][ T2051] kernfs_new_node+0x97/0x170 [ 252.169639][ T2051] __kernfs_create_file+0x4a/0x270 [ 252.174754][ T2051] cgroup_addrm_files+0xab8/0xfe0 [ 252.179756][ T2051] ? cgroup_apply_control_enable+0x734/0x12e0 [ 252.185800][ T2051] ? cgroup_apply_control+0x93/0x710 [ 252.191076][ T2051] ? cgroup_subtree_control_write+0xd19/0x1310 [ 252.197212][ T2051] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 252.203341][ T2051] ? delete_node+0x759/0x7b0 [ 252.207919][ T2051] ? __kasan_check_read+0x11/0x20 [ 252.212945][ T2051] ? delete_node+0x759/0x7b0 [ 252.217515][ T2051] ? __kasan_check_write+0x14/0x20 [ 252.222599][ T2051] ? __radix_tree_replace+0x246/0x2e0 [ 252.227945][ T2051] ? idr_get_next+0x4b0/0x4b0 [ 252.232606][ T2051] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 252.237632][ T2051] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 252.242806][ T2051] css_populate_dir+0x137/0x370 [ 252.247630][ T2051] cgroup_apply_control_enable+0x629/0x12e0 [ 252.253512][ T2051] cgroup_apply_control+0x93/0x710 [ 252.258624][ T2051] ? css_next_child+0x160/0x160 [ 252.263590][ T2051] ? io_schedule+0x120/0x120 [ 252.268430][ T2051] ? kernfs_fop_write_iter+0x15e/0x410 [ 252.273869][ T2051] ? __kasan_check_write+0x14/0x20 [ 252.279042][ T2051] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 252.284313][ T2051] cgroup_subtree_control_write+0xd19/0x1310 [ 252.290283][ T2051] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.296333][ T2051] ? __kasan_check_write+0x14/0x20 [ 252.301426][ T2051] ? _copy_from_iter+0x3fb/0xd60 [ 252.306353][ T2051] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 252.312311][ T2051] cgroup_file_write+0x28e/0x590 [ 252.317487][ T2051] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.322868][ T2051] ? mutex_lock+0xa6/0x110 [ 252.327264][ T2051] ? mutex_trylock+0xb0/0xb0 [ 252.331927][ T2051] ? __kasan_check_write+0x14/0x20 [ 252.337170][ T2051] kernfs_fop_write_iter+0x2d0/0x410 [ 252.342441][ T2051] ? cgroup_seqfile_stop+0xc0/0xc0 [ 252.347540][ T2051] vfs_write+0xc1c/0xf40 [ 252.351761][ T2051] ? sched_clock+0x3a/0x40 [ 252.356159][ T2051] ? kernel_write+0x3c0/0x3c0 [ 252.360816][ T2051] ? __irq_exit_rcu+0x41/0x150 [ 252.365658][ T2051] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 252.371790][ T2051] ? ksys_write+0x8f/0x2c0 [ 252.376189][ T2051] ksys_write+0x198/0x2c0 [ 252.380591][ T2051] ? __ia32_sys_read+0x90/0x90 [ 252.385335][ T2051] ? debug_smp_processor_id+0x17/0x20 [ 252.390781][ T2051] __x64_sys_write+0x7b/0x90 [ 252.395443][ T2051] do_syscall_64+0x34/0x70 [ 252.399834][ T2051] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 252.405711][ T2051] RIP: 0033:0x7f75104510e9 [ 252.410128][ T2051] 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 [ 252.429711][ T2051] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 252.438118][ T2051] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 252.446071][ T2051] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 252.454019][ T2051] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 252.461976][ T2051] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 252.469932][ T2051] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 252.479014][ T2051] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 252.486069][ T2051] !!!! control_disable control_disable ss name cpu [ 252.492621][ T2051] !!!! control_disable control_disable ss name memory [ 252.499364][ T2051] !!!! control_disable control_disable ss name pids [ 252.505956][ T2051] !!!! control_disable kill_css(ffff888118468400) [ 252.512485][ T2051] !!!! IN kill css_get(ffff888118468400) [ 252.518179][ T2051] !!!! IN kill css_get(ffff888118468400) [ 252.523936][ T2051] !!!! control_disable control_disable ss name cpu [ 252.530430][ T2051] !!!! control_disable control_disable ss name memory [ 252.537215][ T2051] !!!! control_disable control_disable ss name pids [ 252.543804][ T2051] !!!! control_disable kill_css(ffff88811846a800) [ 252.550436][ T2051] !!!! IN kill css_get(ffff88811846a800) [ 252.556172][ T2051] !!!! IN kill css_get(ffff88811846a800) [ 252.561903][ T2051] !!!! control_disable control_disable ss name cpu [ 252.568386][ T2051] !!!! control_disable control_disable ss name memory [ 252.575239][ T2051] !!!! control_disable control_disable ss name pids [ 252.581932][ T2051] !!!! control_disable kill_css(ffff888118468800) [ 252.588405][ T2051] !!!! IN kill css_get(ffff888118468800) [ 252.594157][ T2051] !!!! IN kill css_get(ffff888118468800) [ 252.599872][ T2051] !!!! control_disable control_disable ss name cpu [ 252.606378][ T2051] !!!! control_disable control_disable ss name memory [ 252.613147][ T2051] !!!! control_disable control_disable ss name cpu [ 252.619625][ T2051] !!!! control_disable control_disable ss name memory [ 252.626422][ T2051] !!!! control_disable control_disable ss name cpu [ 252.632916][ T2051] !!!! control_disable control_disable ss name memory [ 252.639649][ T2051] !!!! control_disable control_disable ss name cpu [ 252.646164][ T2051] !!!! control_disable control_disable ss name memory [ 252.652934][ T2051] !!!! control_disable control_disable ss name pids [ 252.659515][ T2051] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 252.666242][ T34] !!!! css_release_work_fn(ffff888119a1d000) [ 252.672330][ C0] !!!! css_killed_ref_fn enqueue(ffff888118468400) [ 252.678932][ T34] !!!! css_release_work_fn(ffff888119a1c000) [ 252.683910][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 252.685309][ T34] !!!! css_free_rwork_fn(ffff88811723e800) [ 252.692143][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 252.698047][ T34] !!!! css_killed_work_fn css_put(ffff888118468400) [ 252.704785][ C0] !!!! css_killed_ref_fn enqueue(ffff88811846a800) [ 252.704801][ C0] !!!! css_killed_ref_fn enqueue(ffff888118468800) [ 252.705179][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 252.713522][ T34] !!!! css_release enqueue(ffff888118468400) [ 252.720382][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 252.726781][ T5] !!!! css_killed_work_fn css_put(ffff88811846a800) [ 252.753160][ T5] !!!! css_release enqueue(ffff88811846a800) [ 252.759258][ T34] !!!! css_killed_work_fn css_put(ffff888118468800) [ 252.766002][ T34] !!!! css_release enqueue(ffff888118468800) [ 252.772096][ T2041] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 252.778647][ T2045] !!!! css_create css ffff888122335c00 !!!! [ 252.784685][ T2045] !!!! css_create css ffff8881190c4000 !!!! [ 252.790641][ T2045] !!!! css_create css ffff8881190c7800 !!!! [ 252.796665][ T2045] FAULT_INJECTION: forcing a failure. [ 252.796665][ T2045] name failslab, interval 1, probability 0, space 0, times 0 [ 252.809337][ T2045] CPU: 0 PID: 2045 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 252.820947][ T2045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.831074][ T2045] Call Trace: [ 252.834348][ T2045] dump_stack_lvl+0x1e2/0x24b [ 252.839015][ T2045] ? bfq_pos_tree_add_move+0x43e/0x43e [ 252.844455][ T2045] dump_stack+0x15/0x17 [ 252.848587][ T2045] should_fail+0x3c0/0x510 [ 252.852983][ T2045] ? __kernfs_new_node+0x99/0x6e0 [ 252.857989][ T2045] __should_failslab+0x9f/0xe0 [ 252.862732][ T2045] should_failslab+0x9/0x20 [ 252.867226][ T2045] __kmalloc_track_caller+0x5f/0x350 [ 252.872496][ T2045] kstrdup_const+0x55/0x90 [ 252.876888][ T2045] __kernfs_new_node+0x99/0x6e0 [ 252.881715][ T2045] ? stack_trace_save+0x1f0/0x1f0 [ 252.886803][ T2045] ? kernfs_new_node+0x170/0x170 [ 252.891730][ T2045] ? ptr_to_hashval+0x60/0x60 [ 252.896398][ T2045] ? snprintf+0xd6/0x120 [ 252.900616][ T2045] kernfs_new_node+0x97/0x170 [ 252.905275][ T2045] __kernfs_create_file+0x4a/0x270 [ 252.910378][ T2045] cgroup_addrm_files+0xab8/0xfe0 [ 252.915391][ T2045] ? cgroup_apply_control_enable+0x734/0x12e0 [ 252.921436][ T2045] ? cgroup_apply_control+0x93/0x710 [ 252.926710][ T2045] ? cgroup_subtree_control_write+0xd19/0x1310 [ 252.932838][ T2045] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 252.938964][ T2045] ? delete_node+0x759/0x7b0 [ 252.943527][ T2045] ? __kasan_check_read+0x11/0x20 [ 252.948523][ T2045] ? delete_node+0x759/0x7b0 [ 252.953087][ T2045] ? __kasan_check_write+0x14/0x20 [ 252.958176][ T2045] ? __radix_tree_replace+0x246/0x2e0 [ 252.963535][ T2045] ? idr_get_next+0x4b0/0x4b0 [ 252.968199][ T2045] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 252.973200][ T2045] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 252.978825][ T2045] css_populate_dir+0x137/0x370 [ 252.983666][ T2045] cgroup_apply_control_enable+0x629/0x12e0 [ 252.989724][ T2045] cgroup_apply_control+0x93/0x710 [ 252.994933][ T2045] ? css_next_child+0x160/0x160 [ 252.999773][ T2045] ? io_schedule+0x120/0x120 [ 253.004342][ T2045] ? kvm_sched_clock_read+0x18/0x40 [ 253.009516][ T2045] ? __kasan_check_write+0x14/0x20 [ 253.014704][ T2045] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 253.019965][ T2045] cgroup_subtree_control_write+0xd19/0x1310 [ 253.025936][ T2045] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.031903][ T2045] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.037860][ T2045] cgroup_file_write+0x28e/0x590 [ 253.042773][ T2045] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.047876][ T2045] ? mutex_lock+0xa6/0x110 [ 253.052285][ T2045] ? mutex_trylock+0xb0/0xb0 [ 253.056916][ T2045] ? __kasan_check_write+0x14/0x20 [ 253.062046][ T2045] kernfs_fop_write_iter+0x2d0/0x410 [ 253.067332][ T2045] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.072433][ T2045] vfs_write+0xc1c/0xf40 [ 253.076671][ T2045] ? kernel_write+0x3c0/0x3c0 [ 253.081343][ T2045] ? mutex_trylock+0xb0/0xb0 [ 253.086368][ T2045] ? __fdget_pos+0x26d/0x310 [ 253.090950][ T2045] ? ksys_write+0x77/0x2c0 [ 253.095900][ T2045] ksys_write+0x198/0x2c0 [ 253.100349][ T2045] ? __ia32_sys_read+0x90/0x90 [ 253.105096][ T2045] ? debug_smp_processor_id+0x17/0x20 [ 253.110459][ T2045] __x64_sys_write+0x7b/0x90 [ 253.115042][ T2045] do_syscall_64+0x34/0x70 [ 253.119456][ T2045] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 253.125437][ T2045] RIP: 0033:0x7fccade130e9 [ 253.129846][ T2045] 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 [ 253.149446][ T2045] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 253.157923][ T2045] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 253.165886][ T2045] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 253.173837][ T2045] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 253.181789][ T2045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 253.189832][ T2045] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 253.198072][ T2045] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 253.205276][ T2045] !!!! control_disable control_disable ss name cpu [ 253.211834][ T2045] !!!! control_disable control_disable ss name memory [ 253.218639][ T2045] !!!! control_disable control_disable ss name pids [ 253.225270][ T2045] !!!! control_disable kill_css(ffff888122335c00) [ 253.231821][ T2045] !!!! IN kill css_get(ffff888122335c00) [ 253.237552][ T2045] !!!! IN kill css_get(ffff888122335c00) [ 253.243405][ T2045] !!!! control_disable control_disable ss name cpu [ 253.249924][ T2045] !!!! control_disable control_disable ss name memory [ 253.256919][ T2045] !!!! control_disable control_disable ss name pids [ 253.263549][ T2045] !!!! control_disable kill_css(ffff8881190c4000) [ 253.270088][ T2045] !!!! IN kill css_get(ffff8881190c4000) [ 253.275851][ T2045] !!!! IN kill css_get(ffff8881190c4000) [ 253.281601][ T2045] !!!! control_disable control_disable ss name cpu [ 253.281635][ C0] !!!! css_killed_ref_fn enqueue(ffff888122335c00) [ 253.294747][ T2045] !!!! control_disable control_disable ss name memory [ 253.301500][ T2045] !!!! control_disable control_disable ss name pids [ 253.308224][ T2045] !!!! control_disable kill_css(ffff8881190c7800) [ 253.314755][ T2045] !!!! IN kill css_get(ffff8881190c7800) [ 253.320458][ T2045] !!!! IN kill css_get(ffff8881190c7800) [ 253.326216][ T2045] !!!! control_disable control_disable ss name cpu [ 253.332729][ T2045] !!!! control_disable control_disable ss name memory [ 253.339756][ T2045] !!!! control_disable control_disable ss name cpu [ 253.346281][ T2045] !!!! control_disable control_disable ss name memory [ 253.353084][ T2045] !!!! control_disable control_disable ss name cpu [ 253.359580][ T2045] !!!! control_disable control_disable ss name memory [ 253.366447][ T2045] !!!! control_disable control_disable ss name cpu [ 253.373058][ T2045] !!!! control_disable control_disable ss name memory [ 253.379792][ T2045] !!!! control_disable control_disable ss name pids [ 253.386426][ T2045] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 253.392940][ T34] !!!! css_release_work_fn(ffff888118468400) [ 253.399012][ T34] !!!! css_free_rwork_fn(ffff888119a1d000) [ 253.405382][ C0] !!!! css_killed_ref_fn enqueue(ffff8881190c4000) [ 253.412009][ T34] !!!! css_release_work_fn(ffff88811846a800) [ 253.418089][ T34] !!!! css_free_rwork_fn(ffff888119a1c000) [ 253.423925][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 253.424010][ T34] !!!! css_release_work_fn(ffff888118468800) [ 253.431371][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 253.436977][ C0] !!!! css_killed_ref_fn enqueue(ffff8881190c7800) [ 253.437189][ T34] !!!! css_killed_work_fn css_put(ffff888122335c00) [ 253.444646][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 253.450593][ T34] !!!! css_release enqueue(ffff888122335c00) [ 253.458268][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 253.464481][ T34] !!!! css_killed_work_fn css_put(ffff8881190c4000) [ 253.483964][ T34] !!!! css_release enqueue(ffff8881190c4000) [ 253.490342][ T34] !!!! css_killed_work_fn css_put(ffff8881190c7800) [ 253.497113][ T34] !!!! css_release enqueue(ffff8881190c7800) [ 253.503205][ T2058] !!!! css_create css ffff8881169cd800 !!!! [ 253.509118][ T2058] !!!! css_create css ffff8881169cc400 !!!! [ 253.515149][ T34] !!!! css_free_rwork_fn(ffff888118468400) [ 253.515547][ T2058] !!!! css_create css ffff888119263c00 !!!! [ 253.521065][ T34] !!!! css_free_rwork_fn(ffff88811846a800) [ 253.532940][ T2058] FAULT_INJECTION: forcing a failure. [ 253.532940][ T2058] name failslab, interval 1, probability 0, space 0, times 0 [ 253.545580][ T2058] CPU: 0 PID: 2058 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 253.557195][ T2058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.567227][ T2058] Call Trace: [ 253.570514][ T2058] dump_stack_lvl+0x1e2/0x24b [ 253.575262][ T2058] ? bfq_pos_tree_add_move+0x43e/0x43e [ 253.580694][ T2058] ? find_next_bit+0xd6/0x120 [ 253.585366][ T2058] ? cpumask_next+0x11/0x30 [ 253.589848][ T2058] dump_stack+0x15/0x17 [ 253.593983][ T2058] should_fail+0x3c0/0x510 [ 253.598379][ T2058] ? percpu_ref_init+0xd0/0x330 [ 253.603210][ T2058] __should_failslab+0x9f/0xe0 [ 253.607954][ T2058] should_failslab+0x9/0x20 [ 253.612435][ T2058] kmem_cache_alloc_trace+0x3a/0x330 [ 253.617714][ T2058] percpu_ref_init+0xd0/0x330 [ 253.622365][ T2058] ? cgroup_setup_root+0xea0/0xea0 [ 253.627451][ T2058] cgroup_apply_control_enable+0x734/0x12e0 [ 253.633318][ T2058] cgroup_apply_control+0x93/0x710 [ 253.638422][ T2058] ? css_next_child+0x160/0x160 [ 253.643259][ T2058] ? io_schedule+0x120/0x120 [ 253.647833][ T2058] ? kernfs_fop_write_iter+0x15e/0x410 [ 253.653267][ T2058] ? __kasan_check_write+0x14/0x20 [ 253.658368][ T2058] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 253.663625][ T2058] cgroup_subtree_control_write+0xd19/0x1310 [ 253.669638][ T2058] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.675850][ T2058] ? __kasan_check_write+0x14/0x20 [ 253.681117][ T2058] ? _copy_from_iter+0x3fb/0xd60 [ 253.686174][ T2058] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 253.692233][ T2058] cgroup_file_write+0x28e/0x590 [ 253.697169][ T2058] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.702475][ T2058] ? mutex_lock+0xa6/0x110 [ 253.707089][ T2058] ? mutex_trylock+0xb0/0xb0 [ 253.711665][ T2058] ? __kasan_check_write+0x14/0x20 [ 253.716766][ T2058] kernfs_fop_write_iter+0x2d0/0x410 [ 253.722054][ T2058] ? cgroup_seqfile_stop+0xc0/0xc0 [ 253.727182][ T2058] vfs_write+0xc1c/0xf40 [ 253.731423][ T2058] ? kernel_write+0x3c0/0x3c0 [ 253.736194][ T2058] ? mutex_trylock+0xb0/0xb0 [ 253.740765][ T2058] ? __fdget_pos+0x26d/0x310 [ 253.745336][ T2058] ? ksys_write+0x77/0x2c0 [ 253.749738][ T2058] ksys_write+0x198/0x2c0 [ 253.754045][ T2058] ? __ia32_sys_read+0x90/0x90 [ 253.758797][ T2058] ? debug_smp_processor_id+0x17/0x20 [ 253.764154][ T2058] __x64_sys_write+0x7b/0x90 [ 253.768814][ T2058] do_syscall_64+0x34/0x70 [ 253.773223][ T2058] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 253.779197][ T2058] RIP: 0033:0x7f5d5b96a0e9 [ 253.783592][ T2058] 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 [ 253.803177][ T2058] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 253.811744][ T2058] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 253.819723][ T2058] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 253.827693][ T2058] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 253.835660][ T2058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 253.843628][ T2058] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 253.852268][ T2058] !!!! css_create rcu_enqueue(ffff888119263c00) !!!! [ 253.858972][ T2058] !!!! control_disable control_disable ss name cpu [ 253.865592][ T2058] !!!! control_disable control_disable ss name memory [ 253.872378][ T2058] !!!! control_disable control_disable ss name pids [ 253.878941][ T2058] !!!! control_disable kill_css(ffff8881169cd800) [ 253.885581][ T2058] !!!! IN kill css_get(ffff8881169cd800) [ 253.891372][ T2058] !!!! IN kill css_get(ffff8881169cd800) [ 253.897203][ T2058] !!!! control_disable control_disable ss name cpu [ 253.903903][ T2058] !!!! control_disable control_disable ss name memory [ 253.910640][ T2058] !!!! control_disable control_disable ss name pids [ 253.917233][ T2058] !!!! control_disable kill_css(ffff8881169cc400) [ 253.923774][ T2058] !!!! IN kill css_get(ffff8881169cc400) [ 253.929583][ T2058] !!!! IN kill css_get(ffff8881169cc400) [ 253.935340][ T2058] !!!! control_disable control_disable ss name cpu [ 253.941850][ T2058] !!!! control_disable control_disable ss name memory [ 253.948968][ T2058] !!!! control_disable control_disable ss name cpu [ 253.955664][ T2058] !!!! control_disable control_disable ss name memory [ 253.962448][ T2058] !!!! control_disable control_disable ss name cpu [ 253.968963][ T2058] !!!! control_disable control_disable ss name memory [ 253.975752][ T2058] !!!! control_disable control_disable ss name cpu [ 253.982275][ T2058] !!!! control_disable control_disable ss name memory [ 253.989018][ T2058] !!!! control_disable control_disable ss name cpu [ 253.995711][ T2058] !!!! control_disable control_disable ss name memory [ 254.003229][ T2058] !!!! control_disable control_disable ss name pids [ 254.009803][ T2058] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 254.009874][ T34] !!!! css_release_work_fn(ffff888122335c00) [ 254.022709][ T5] !!!! css_free_rwork_fn(ffff888118468800) [ 254.028808][ T5] !!!! css_release_work_fn(ffff8881190c4000) [ 254.031647][ C1] !!!! css_killed_ref_fn enqueue(ffff8881169cd800) [ 254.035243][ T5] !!!! css_release_work_fn(ffff8881190c7800) [ 254.041522][ C1] !!!! css_killed_ref_fn enqueue(ffff8881169cc400) [ 254.051786][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.054437][ T378] !!!! css_free_rwork_fn(ffff888119263c00) [ 254.061211][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.067112][ T435] !!!! css_killed_work_fn css_put(ffff8881169cd800) [ 254.074409][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.080593][ T435] !!!! css_release enqueue(ffff8881169cd800) [ 254.088097][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.093689][ T435] !!!! css_killed_work_fn css_put(ffff8881169cc400) [ 254.101654][ T34] !!!! css_free_rwork_fn(ffff888122335c00) [ 254.107272][ T435] !!!! css_release enqueue(ffff8881169cc400) [ 254.114829][ T34] !!!! css_free_rwork_fn(ffff8881190c4000) [ 254.119204][ T2061] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 254.125193][ T34] !!!! css_free_rwork_fn(ffff8881190c7800) [ 254.131826][ T2064] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 254.137710][ T2047] !!!! css_create css ffff888116f43800 !!!! [ 254.150058][ T2047] !!!! css_create css ffff888116f43c00 !!!! [ 254.156117][ T2047] !!!! css_create css ffff888116f40c00 !!!! [ 254.162246][ T2047] FAULT_INJECTION: forcing a failure. [ 254.162246][ T2047] name failslab, interval 1, probability 0, space 0, times 0 [ 254.175223][ T2047] CPU: 1 PID: 2047 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 254.187305][ T2047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.197460][ T2047] Call Trace: [ 254.200732][ T2047] dump_stack_lvl+0x1e2/0x24b [ 254.205395][ T2047] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.210838][ T2047] dump_stack+0x15/0x17 [ 254.214972][ T2047] should_fail+0x3c0/0x510 [ 254.219476][ T2047] ? __kernfs_new_node+0x99/0x6e0 [ 254.224472][ T2047] __should_failslab+0x9f/0xe0 [ 254.229305][ T2047] should_failslab+0x9/0x20 [ 254.233789][ T2047] __kmalloc_track_caller+0x5f/0x350 [ 254.239063][ T2047] kstrdup_const+0x55/0x90 [ 254.243458][ T2047] __kernfs_new_node+0x99/0x6e0 [ 254.248294][ T2047] ? stack_trace_save+0x1f0/0x1f0 [ 254.253291][ T2047] ? kernfs_new_node+0x170/0x170 [ 254.258232][ T2047] ? ptr_to_hashval+0x60/0x60 [ 254.262895][ T2047] ? snprintf+0xd6/0x120 [ 254.267139][ T2047] kernfs_new_node+0x97/0x170 [ 254.271807][ T2047] __kernfs_create_file+0x4a/0x270 [ 254.276895][ T2047] cgroup_addrm_files+0xab8/0xfe0 [ 254.282082][ T2047] ? cgroup_apply_control_enable+0x734/0x12e0 [ 254.288135][ T2047] ? cgroup_apply_control+0x93/0x710 [ 254.293505][ T2047] ? cgroup_subtree_control_write+0xd19/0x1310 [ 254.299663][ T2047] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 254.306354][ T2047] ? delete_node+0x759/0x7b0 [ 254.310932][ T2047] ? __kasan_check_read+0x11/0x20 [ 254.316151][ T2047] ? delete_node+0x759/0x7b0 [ 254.320724][ T2047] ? __kasan_check_write+0x14/0x20 [ 254.325823][ T2047] ? __radix_tree_replace+0x246/0x2e0 [ 254.331174][ T2047] ? idr_get_next+0x4b0/0x4b0 [ 254.335974][ T2047] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 254.340983][ T2047] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 254.346163][ T2047] css_populate_dir+0x137/0x370 [ 254.350996][ T2047] cgroup_apply_control_enable+0x629/0x12e0 [ 254.356882][ T2047] cgroup_apply_control+0x93/0x710 [ 254.361985][ T2047] ? css_next_child+0x160/0x160 [ 254.366911][ T2047] ? set_next_entity+0xc5/0x390 [ 254.371837][ T2047] ? io_schedule+0x120/0x120 [ 254.376424][ T2047] ? kernfs_fop_write_iter+0x15e/0x410 [ 254.381936][ T2047] ? __kasan_check_write+0x14/0x20 [ 254.387035][ T2047] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 254.392600][ T2047] cgroup_subtree_control_write+0xd19/0x1310 [ 254.398567][ T2047] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 254.404592][ T2047] ? __kasan_check_write+0x14/0x20 [ 254.409712][ T2047] ? _copy_from_iter+0x3fb/0xd60 [ 254.414641][ T2047] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 254.420599][ T2047] cgroup_file_write+0x28e/0x590 [ 254.425714][ T2047] ? cgroup_seqfile_stop+0xc0/0xc0 [ 254.430811][ T2047] ? mutex_lock+0xa6/0x110 [ 254.435245][ T2047] ? mutex_trylock+0xb0/0xb0 [ 254.440072][ T2047] ? __kasan_check_write+0x14/0x20 [ 254.445182][ T2047] kernfs_fop_write_iter+0x2d0/0x410 [ 254.450542][ T2047] ? cgroup_seqfile_stop+0xc0/0xc0 [ 254.455629][ T2047] vfs_write+0xc1c/0xf40 [ 254.459858][ T2047] ? kernel_write+0x3c0/0x3c0 [ 254.464516][ T2047] ? mutex_trylock+0xb0/0xb0 [ 254.469099][ T2047] ? __fdget_pos+0x26d/0x310 [ 254.473688][ T2047] ? ksys_write+0x77/0x2c0 [ 254.478117][ T2047] ksys_write+0x198/0x2c0 [ 254.482446][ T2047] ? __ia32_sys_read+0x90/0x90 [ 254.487318][ T2047] ? debug_smp_processor_id+0x17/0x20 [ 254.492666][ T2047] __x64_sys_write+0x7b/0x90 [ 254.497231][ T2047] do_syscall_64+0x34/0x70 [ 254.501657][ T2047] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 254.507550][ T2047] RIP: 0033:0x7fe9a8a760e9 [ 254.511956][ T2047] 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 [ 254.531554][ T2047] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 254.540030][ T2047] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 254.547986][ T2047] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 254.555952][ T2047] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 254.563923][ T2047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 254.571867][ T2047] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 254.579969][ T2047] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 254.588205][ T2047] !!!! control_disable control_disable ss name cpu [ 254.594757][ T2047] !!!! control_disable control_disable ss name memory [ 254.601550][ T2047] !!!! control_disable control_disable ss name pids [ 254.608276][ T2047] !!!! control_disable kill_css(ffff888116f43800) [ 254.615025][ T2047] !!!! IN kill css_get(ffff888116f43800) [ 254.620723][ T2047] !!!! IN kill css_get(ffff888116f43800) [ 254.627109][ T2047] !!!! control_disable control_disable ss name cpu [ 254.633944][ T2047] !!!! control_disable control_disable ss name memory [ 254.640691][ T2047] !!!! control_disable control_disable ss name pids [ 254.647409][ T2047] !!!! control_disable kill_css(ffff888116f43c00) [ 254.654136][ T2047] !!!! IN kill css_get(ffff888116f43c00) [ 254.659842][ T2047] !!!! IN kill css_get(ffff888116f43c00) [ 254.665614][ T2047] !!!! control_disable control_disable ss name cpu [ 254.672298][ T2047] !!!! control_disable control_disable ss name memory [ 254.679316][ T2047] !!!! control_disable control_disable ss name pids [ 254.686000][ T2047] !!!! control_disable kill_css(ffff888116f40c00) [ 254.692512][ T2047] !!!! IN kill css_get(ffff888116f40c00) [ 254.698227][ T2047] !!!! IN kill css_get(ffff888116f40c00) [ 254.704005][ T2047] !!!! control_disable control_disable ss name cpu [ 254.710490][ T2047] !!!! control_disable control_disable ss name memory [ 254.717258][ T2047] !!!! control_disable control_disable ss name cpu [ 254.723770][ T2047] !!!! control_disable control_disable ss name memory [ 254.730615][ T2047] !!!! control_disable control_disable ss name cpu [ 254.737162][ T2047] !!!! control_disable control_disable ss name memory [ 254.743963][ T2047] !!!! control_disable control_disable ss name cpu [ 254.750447][ T2047] !!!! control_disable control_disable ss name memory [ 254.757245][ T2047] !!!! control_disable control_disable ss name pids [ 254.763853][ T2047] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 254.770601][ T435] !!!! css_release_work_fn(ffff8881169cd800) [ 254.772056][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.780602][ T435] !!!! css_release_work_fn(ffff8881169cc400) [ 254.784078][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.791658][ C1] !!!! css_killed_ref_fn enqueue(ffff888116f43800) [ 254.797805][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.803377][ T378] !!!! css_killed_work_fn css_put(ffff888116f43800) [ 254.810532][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.822207][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.831681][ C1] !!!! css_killed_ref_fn enqueue(ffff888116f43c00) [ 254.838476][ C1] !!!! css_killed_ref_fn enqueue(ffff888116f40c00) [ 254.838887][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.845157][ T378] !!!! css_release enqueue(ffff888116f43800) [ 254.845184][ T378] !!!! css_killed_work_fn css_put(ffff888116f43c00) [ 254.852771][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.858333][ T378] !!!! css_release enqueue(ffff888116f43c00) [ 254.858876][ T378] !!!! css_killed_work_fn css_put(ffff888116f40c00) [ 254.866014][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 254.872310][ T378] !!!! css_release enqueue(ffff888116f40c00) [ 254.898441][ T2062] !!!! css_create css ffff888118637400 !!!! [ 254.904695][ T2062] !!!! css_create css ffff888118632000 !!!! [ 254.910717][ T2062] !!!! css_create css ffff888118631800 !!!! [ 254.916855][ T2062] FAULT_INJECTION: forcing a failure. [ 254.916855][ T2062] name failslab, interval 1, probability 0, space 0, times 0 [ 254.929599][ T2062] CPU: 1 PID: 2062 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 254.941221][ T2062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.951422][ T2062] Call Trace: [ 254.954712][ T2062] dump_stack_lvl+0x1e2/0x24b [ 254.959397][ T2062] ? bfq_pos_tree_add_move+0x43e/0x43e [ 254.964839][ T2062] dump_stack+0x15/0x17 [ 254.968996][ T2062] should_fail+0x3c0/0x510 [ 254.973402][ T2062] ? __kernfs_new_node+0x99/0x6e0 [ 254.978407][ T2062] __should_failslab+0x9f/0xe0 [ 254.983151][ T2062] should_failslab+0x9/0x20 [ 254.987642][ T2062] __kmalloc_track_caller+0x5f/0x350 [ 254.992916][ T2062] kstrdup_const+0x55/0x90 [ 254.997319][ T2062] __kernfs_new_node+0x99/0x6e0 [ 255.002240][ T2062] ? stack_trace_save+0x1f0/0x1f0 [ 255.007267][ T2062] ? kernfs_new_node+0x170/0x170 [ 255.012186][ T2062] ? ptr_to_hashval+0x60/0x60 [ 255.016854][ T2062] ? snprintf+0xd6/0x120 [ 255.021098][ T2062] kernfs_new_node+0x97/0x170 [ 255.025754][ T2062] __kernfs_create_file+0x4a/0x270 [ 255.030843][ T2062] cgroup_addrm_files+0xab8/0xfe0 [ 255.035866][ T2062] ? cgroup_apply_control_enable+0x734/0x12e0 [ 255.042017][ T2062] ? cgroup_apply_control+0x93/0x710 [ 255.047285][ T2062] ? cgroup_subtree_control_write+0xd19/0x1310 [ 255.053418][ T2062] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 255.059547][ T2062] ? delete_node+0x759/0x7b0 [ 255.064116][ T2062] ? __kasan_check_read+0x11/0x20 [ 255.069124][ T2062] ? delete_node+0x759/0x7b0 [ 255.073707][ T2062] ? __kasan_check_write+0x14/0x20 [ 255.078792][ T2062] ? __radix_tree_replace+0x246/0x2e0 [ 255.084316][ T2062] ? idr_get_next+0x4b0/0x4b0 [ 255.088976][ T2062] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 255.094007][ T2062] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 255.099198][ T2062] css_populate_dir+0x137/0x370 [ 255.104064][ T2062] cgroup_apply_control_enable+0x629/0x12e0 [ 255.109945][ T2062] cgroup_apply_control+0x93/0x710 [ 255.115057][ T2062] ? css_next_child+0x160/0x160 [ 255.119903][ T2062] ? set_next_entity+0xc5/0x390 [ 255.124737][ T2062] ? io_schedule+0x120/0x120 [ 255.129320][ T2062] ? kernfs_fop_write_iter+0x15e/0x410 [ 255.134758][ T2062] ? __kasan_check_write+0x14/0x20 [ 255.139868][ T2062] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 255.145167][ T2062] cgroup_subtree_control_write+0xd19/0x1310 [ 255.151186][ T2062] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.157176][ T2062] ? __kasan_check_write+0x14/0x20 [ 255.162415][ T2062] ? _copy_from_iter+0x3fb/0xd60 [ 255.167344][ T2062] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.173356][ T2062] cgroup_file_write+0x28e/0x590 [ 255.178736][ T2062] ? cgroup_seqfile_stop+0xc0/0xc0 [ 255.183830][ T2062] ? mutex_lock+0xa6/0x110 [ 255.188225][ T2062] ? mutex_trylock+0xb0/0xb0 [ 255.192791][ T2062] ? __kasan_check_write+0x14/0x20 [ 255.197879][ T2062] kernfs_fop_write_iter+0x2d0/0x410 [ 255.203257][ T2062] ? cgroup_seqfile_stop+0xc0/0xc0 [ 255.208349][ T2062] vfs_write+0xc1c/0xf40 [ 255.212573][ T2062] ? kernel_write+0x3c0/0x3c0 [ 255.217252][ T2062] ? mutex_trylock+0xb0/0xb0 [ 255.221925][ T2062] ? __fdget_pos+0x26d/0x310 [ 255.226499][ T2062] ? ksys_write+0x77/0x2c0 [ 255.230892][ T2062] ksys_write+0x198/0x2c0 [ 255.235208][ T2062] ? __ia32_sys_read+0x90/0x90 [ 255.240146][ T2062] ? debug_smp_processor_id+0x17/0x20 [ 255.245493][ T2062] __x64_sys_write+0x7b/0x90 [ 255.250068][ T2062] do_syscall_64+0x34/0x70 [ 255.254472][ T2062] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 255.260339][ T2062] RIP: 0033:0x7f75104510e9 [ 255.264729][ T2062] 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 [ 255.284316][ T2062] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 255.292716][ T2062] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 255.300707][ T2062] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 255.308659][ T2062] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 255.316621][ T2062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 255.324590][ T2062] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 255.332727][ T2062] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 255.339797][ T2062] !!!! control_disable control_disable ss name cpu [ 255.346422][ T2062] !!!! control_disable control_disable ss name memory [ 255.353361][ T2062] !!!! control_disable control_disable ss name pids [ 255.359987][ T2062] !!!! control_disable kill_css(ffff888118637400) [ 255.366818][ T2062] !!!! IN kill css_get(ffff888118637400) [ 255.372783][ T2062] !!!! IN kill css_get(ffff888118637400) [ 255.379382][ T2062] !!!! control_disable control_disable ss name cpu [ 255.385923][ T2062] !!!! control_disable control_disable ss name memory [ 255.392803][ T2062] !!!! control_disable control_disable ss name pids [ 255.399513][ T2062] !!!! control_disable kill_css(ffff888118632000) [ 255.406031][ C1] !!!! css_killed_ref_fn enqueue(ffff888118637400) [ 255.412694][ T2062] !!!! IN kill css_get(ffff888118632000) [ 255.418387][ T2062] !!!! IN kill css_get(ffff888118632000) [ 255.424126][ T2062] !!!! control_disable control_disable ss name cpu [ 255.430608][ T2062] !!!! control_disable control_disable ss name memory [ 255.437399][ T2062] !!!! control_disable control_disable ss name pids [ 255.444001][ T2062] !!!! control_disable kill_css(ffff888118631800) [ 255.450491][ T2062] !!!! IN kill css_get(ffff888118631800) [ 255.456232][ T2062] !!!! IN kill css_get(ffff888118631800) [ 255.461962][ T2062] !!!! control_disable control_disable ss name cpu [ 255.468450][ T2062] !!!! control_disable control_disable ss name memory [ 255.475470][ T2062] !!!! control_disable control_disable ss name cpu [ 255.481965][ T2062] !!!! control_disable control_disable ss name memory [ 255.488694][ T2062] !!!! control_disable control_disable ss name cpu [ 255.495189][ T2062] !!!! control_disable control_disable ss name memory [ 255.501939][ T2062] !!!! control_disable control_disable ss name cpu [ 255.508415][ T2062] !!!! control_disable control_disable ss name memory [ 255.515184][ T2062] !!!! control_disable control_disable ss name pids [ 255.521870][ T2062] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 255.528374][ T435] !!!! css_release_work_fn(ffff888116f43800) [ 255.529585][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.538974][ T435] !!!! css_release_work_fn(ffff888116f43c00) [ 255.542719][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.547484][ T435] !!!! css_release_work_fn(ffff888116f40c00) [ 255.555605][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.561635][ C1] !!!! css_killed_ref_fn enqueue(ffff888118632000) [ 255.568218][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.573788][ C1] !!!! css_killed_ref_fn enqueue(ffff888118631800) [ 255.576513][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.581314][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.587371][ T435] !!!! css_free_rwork_fn(ffff8881169cd800) [ 255.598813][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.600981][ T435] !!!! css_free_rwork_fn(ffff8881169cc400) [ 255.608259][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 255.614182][ T435] !!!! css_killed_work_fn css_put(ffff888118637400) [ 255.633331][ T435] !!!! css_release enqueue(ffff888118637400) [ 255.639476][ T435] !!!! css_killed_work_fn css_put(ffff888118632000) [ 255.646296][ T435] !!!! css_release enqueue(ffff888118632000) [ 255.652411][ T435] !!!! css_killed_work_fn css_put(ffff888118631800) [ 255.659090][ T435] !!!! css_release enqueue(ffff888118631800) [ 255.665206][ T2070] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 255.665326][ T2043] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 255.671808][ T2065] !!!! css_create css ffff888118634400 !!!! [ 255.684187][ T435] !!!! css_free_rwork_fn(ffff888116f43800) [ 255.685095][ T2065] !!!! css_create css ffff888118ddbc00 !!!! [ 255.690059][ T435] !!!! css_free_rwork_fn(ffff888116f43c00) [ 255.701966][ T2065] !!!! css_create css ffff888118ddac00 !!!! [ 255.707846][ T2065] FAULT_INJECTION: forcing a failure. [ 255.707846][ T2065] name failslab, interval 1, probability 0, space 0, times 0 [ 255.720498][ T2065] CPU: 1 PID: 2065 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 255.732125][ T2065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.742152][ T2065] Call Trace: [ 255.745419][ T2065] dump_stack_lvl+0x1e2/0x24b [ 255.750065][ T2065] ? bfq_pos_tree_add_move+0x43e/0x43e [ 255.755492][ T2065] ? serial8250_console_write+0xae0/0xe60 [ 255.761179][ T2065] ? record_print_text+0x266/0x420 [ 255.766262][ T2065] dump_stack+0x15/0x17 [ 255.770387][ T2065] should_fail+0x3c0/0x510 [ 255.774774][ T2065] ? __kernfs_new_node+0x99/0x6e0 [ 255.779779][ T2065] __should_failslab+0x9f/0xe0 [ 255.784774][ T2065] should_failslab+0x9/0x20 [ 255.789251][ T2065] __kmalloc_track_caller+0x5f/0x350 [ 255.794597][ T2065] kstrdup_const+0x55/0x90 [ 255.798991][ T2065] __kernfs_new_node+0x99/0x6e0 [ 255.803812][ T2065] ? stack_trace_save+0x1f0/0x1f0 [ 255.808805][ T2065] ? kernfs_new_node+0x170/0x170 [ 255.813724][ T2065] ? ptr_to_hashval+0x60/0x60 [ 255.818378][ T2065] ? snprintf+0xd6/0x120 [ 255.822591][ T2065] kernfs_new_node+0x97/0x170 [ 255.827240][ T2065] __kernfs_create_file+0x4a/0x270 [ 255.832319][ T2065] cgroup_addrm_files+0xab8/0xfe0 [ 255.837311][ T2065] ? cgroup_apply_control_enable+0x734/0x12e0 [ 255.843341][ T2065] ? cgroup_apply_control+0x93/0x710 [ 255.848593][ T2065] ? cgroup_subtree_control_write+0xd19/0x1310 [ 255.854733][ T2065] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 255.860877][ T2065] ? delete_node+0x759/0x7b0 [ 255.865533][ T2065] ? __kasan_check_read+0x11/0x20 [ 255.870561][ T2065] ? delete_node+0x759/0x7b0 [ 255.875147][ T2065] ? __kasan_check_write+0x14/0x20 [ 255.880247][ T2065] ? __radix_tree_replace+0x246/0x2e0 [ 255.885599][ T2065] ? idr_get_next+0x4b0/0x4b0 [ 255.890351][ T2065] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 255.895367][ T2065] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 255.900545][ T2065] css_populate_dir+0x137/0x370 [ 255.905381][ T2065] cgroup_apply_control_enable+0x629/0x12e0 [ 255.911271][ T2065] cgroup_apply_control+0x93/0x710 [ 255.916363][ T2065] ? css_next_child+0x160/0x160 [ 255.921201][ T2065] ? dequeue_task_fair+0x7ad/0xb50 [ 255.926289][ T2065] ? io_schedule+0x120/0x120 [ 255.930870][ T2065] ? kernfs_fop_write_iter+0x15e/0x410 [ 255.936319][ T2065] ? __kasan_check_write+0x14/0x20 [ 255.941417][ T2065] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 255.946687][ T2065] cgroup_subtree_control_write+0xd19/0x1310 [ 255.952640][ T2065] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.958592][ T2065] ? __kasan_check_write+0x14/0x20 [ 255.963679][ T2065] ? _copy_from_iter+0x3fb/0xd60 [ 255.968608][ T2065] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 255.974570][ T2065] cgroup_file_write+0x28e/0x590 [ 255.979503][ T2065] ? cgroup_seqfile_stop+0xc0/0xc0 [ 255.984596][ T2065] ? mutex_lock+0xa6/0x110 [ 255.988994][ T2065] ? mutex_trylock+0xb0/0xb0 [ 255.993574][ T2065] ? __kasan_check_write+0x14/0x20 [ 255.998666][ T2065] kernfs_fop_write_iter+0x2d0/0x410 [ 256.003931][ T2065] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.009020][ T2065] vfs_write+0xc1c/0xf40 [ 256.013250][ T2065] ? kernel_write+0x3c0/0x3c0 [ 256.017902][ T2065] ? mutex_trylock+0xb0/0xb0 [ 256.022481][ T2065] ? __fdget_pos+0x26d/0x310 [ 256.027055][ T2065] ? ksys_write+0x77/0x2c0 [ 256.031445][ T2065] ksys_write+0x198/0x2c0 [ 256.035751][ T2065] ? __ia32_sys_read+0x90/0x90 [ 256.040497][ T2065] ? debug_smp_processor_id+0x17/0x20 [ 256.045840][ T2065] __x64_sys_write+0x7b/0x90 [ 256.050405][ T2065] do_syscall_64+0x34/0x70 [ 256.054795][ T2065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 256.060658][ T2065] RIP: 0033:0x7fccade130e9 [ 256.065062][ T2065] 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 [ 256.084640][ T2065] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 256.093035][ T2065] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 256.101088][ T2065] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 256.109035][ T2065] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.116992][ T2065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 256.124941][ T2065] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 256.133206][ T2065] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 256.140319][ T2065] !!!! control_disable control_disable ss name cpu [ 256.147189][ T2065] !!!! control_disable control_disable ss name memory [ 256.154098][ T2065] !!!! control_disable control_disable ss name pids [ 256.160712][ T2065] !!!! control_disable kill_css(ffff888118634400) [ 256.167329][ T2065] !!!! IN kill css_get(ffff888118634400) [ 256.173071][ T2065] !!!! IN kill css_get(ffff888118634400) [ 256.178795][ T2065] !!!! control_disable control_disable ss name cpu [ 256.185333][ T2065] !!!! control_disable control_disable ss name memory [ 256.192117][ T2065] !!!! control_disable control_disable ss name pids [ 256.198700][ T2065] !!!! control_disable kill_css(ffff888118ddbc00) [ 256.205241][ T2065] !!!! IN kill css_get(ffff888118ddbc00) [ 256.210936][ T2065] !!!! IN kill css_get(ffff888118ddbc00) [ 256.216670][ T2065] !!!! control_disable control_disable ss name cpu [ 256.223168][ T2065] !!!! control_disable control_disable ss name memory [ 256.229989][ T2065] !!!! control_disable control_disable ss name pids [ 256.236574][ T2065] !!!! control_disable kill_css(ffff888118ddac00) [ 256.243073][ T2065] !!!! IN kill css_get(ffff888118ddac00) [ 256.248774][ T2065] !!!! IN kill css_get(ffff888118ddac00) [ 256.254595][ T2065] !!!! control_disable control_disable ss name cpu [ 256.261095][ T2065] !!!! control_disable control_disable ss name memory [ 256.267860][ T2065] !!!! control_disable control_disable ss name cpu [ 256.274354][ T2065] !!!! control_disable control_disable ss name memory [ 256.281091][ T2065] !!!! control_disable control_disable ss name cpu [ 256.287596][ T2065] !!!! control_disable control_disable ss name memory [ 256.294356][ T2065] !!!! control_disable control_disable ss name cpu 2022/06/08 04:04:07 executed programs: 580 [ 256.300852][ T2065] !!!! control_disable control_disable ss name memory [ 256.307651][ T2065] !!!! control_disable control_disable ss name pids [ 256.314299][ T2065] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 256.314311][ T435] !!!! css_release_work_fn(ffff888118637400) [ 256.321642][ C0] !!!! css_killed_ref_fn enqueue(ffff888118634400) [ 256.327175][ T435] !!!! css_free_rwork_fn(ffff888116f40c00) [ 256.333713][ T5] !!!! css_killed_work_fn css_put(ffff888118634400) [ 256.346225][ T5] !!!! css_release enqueue(ffff888118634400) [ 256.351238][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 256.352319][ C0] !!!! css_killed_ref_fn enqueue(ffff888118ddbc00) [ 256.359319][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 256.365728][ C0] !!!! css_killed_ref_fn enqueue(ffff888118ddac00) [ 256.366128][ T5] !!!! css_killed_work_fn css_put(ffff888118ddbc00) [ 256.372932][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 256.379279][ T5] !!!! css_release enqueue(ffff888118ddbc00) [ 256.386407][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 256.405814][ T435] !!!! css_release_work_fn(ffff888118632000) [ 256.412076][ T435] !!!! css_release_work_fn(ffff888118631800) [ 256.418144][ T435] !!!! css_free_rwork_fn(ffff888118637400) [ 256.418173][ T5] !!!! css_killed_work_fn css_put(ffff888118ddac00) [ 256.430771][ T5] !!!! css_release enqueue(ffff888118ddac00) [ 256.436894][ T2056] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 256.437330][ T2046] !!!! css_create css ffff88811923d800 !!!! [ 256.449338][ T2046] !!!! css_create css ffff88811923f000 !!!! [ 256.455282][ T435] !!!! css_free_rwork_fn(ffff888118632000) [ 256.455489][ T2046] !!!! css_create css ffff8881192ab000 !!!! [ 256.461737][ T435] !!!! css_free_rwork_fn(ffff888118631800) [ 256.468093][ T2046] FAULT_INJECTION: forcing a failure. [ 256.468093][ T2046] name failslab, interval 1, probability 0, space 0, times 0 [ 256.486429][ T2046] CPU: 0 PID: 2046 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 256.498022][ T2046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.508050][ T2046] Call Trace: [ 256.511315][ T2046] dump_stack_lvl+0x1e2/0x24b [ 256.515972][ T2046] ? bfq_pos_tree_add_move+0x43e/0x43e [ 256.521399][ T2046] dump_stack+0x15/0x17 [ 256.525527][ T2046] should_fail+0x3c0/0x510 [ 256.529968][ T2046] ? __kernfs_new_node+0x99/0x6e0 [ 256.534978][ T2046] __should_failslab+0x9f/0xe0 [ 256.539718][ T2046] should_failslab+0x9/0x20 [ 256.544194][ T2046] __kmalloc_track_caller+0x5f/0x350 [ 256.549449][ T2046] kstrdup_const+0x55/0x90 [ 256.553836][ T2046] __kernfs_new_node+0x99/0x6e0 [ 256.558656][ T2046] ? stack_trace_save+0x1f0/0x1f0 [ 256.563649][ T2046] ? kernfs_new_node+0x170/0x170 [ 256.568568][ T2046] ? ptr_to_hashval+0x60/0x60 [ 256.573224][ T2046] ? snprintf+0xd6/0x120 [ 256.577469][ T2046] kernfs_new_node+0x97/0x170 [ 256.582138][ T2046] __kernfs_create_file+0x4a/0x270 [ 256.587324][ T2046] cgroup_addrm_files+0xab8/0xfe0 [ 256.592428][ T2046] ? cgroup_apply_control_enable+0x734/0x12e0 [ 256.598556][ T2046] ? cgroup_apply_control+0x93/0x710 [ 256.603822][ T2046] ? cgroup_subtree_control_write+0xd19/0x1310 [ 256.610008][ T2046] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 256.616137][ T2046] ? delete_node+0x759/0x7b0 [ 256.620712][ T2046] ? __kasan_check_read+0x11/0x20 [ 256.625710][ T2046] ? delete_node+0x759/0x7b0 [ 256.630360][ T2046] ? __kasan_check_write+0x14/0x20 [ 256.635449][ T2046] ? __radix_tree_replace+0x246/0x2e0 [ 256.640796][ T2046] ? idr_get_next+0x4b0/0x4b0 [ 256.645460][ T2046] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 256.650467][ T2046] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 256.655653][ T2046] css_populate_dir+0x137/0x370 [ 256.660484][ T2046] cgroup_apply_control_enable+0x629/0x12e0 [ 256.667052][ T2046] cgroup_apply_control+0x93/0x710 [ 256.672139][ T2046] ? css_next_child+0x160/0x160 [ 256.676966][ T2046] ? set_next_entity+0xc5/0x390 [ 256.681792][ T2046] ? io_schedule+0x120/0x120 [ 256.686357][ T2046] ? kernfs_fop_write_iter+0x15e/0x410 [ 256.691790][ T2046] ? __kasan_check_write+0x14/0x20 [ 256.696875][ T2046] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 256.702137][ T2046] cgroup_subtree_control_write+0xd19/0x1310 [ 256.708091][ T2046] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 256.714147][ T2046] ? __kasan_check_write+0x14/0x20 [ 256.719231][ T2046] ? _copy_from_iter+0x3fb/0xd60 [ 256.724156][ T2046] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 256.730107][ T2046] cgroup_file_write+0x28e/0x590 [ 256.735014][ T2046] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.740094][ T2046] ? mutex_lock+0xa6/0x110 [ 256.744481][ T2046] ? mutex_trylock+0xb0/0xb0 [ 256.749043][ T2046] ? __kasan_check_write+0x14/0x20 [ 256.754125][ T2046] kernfs_fop_write_iter+0x2d0/0x410 [ 256.759377][ T2046] ? cgroup_seqfile_stop+0xc0/0xc0 [ 256.764458][ T2046] vfs_write+0xc1c/0xf40 [ 256.768673][ T2046] ? kernel_write+0x3c0/0x3c0 [ 256.773328][ T2046] ? mutex_trylock+0xb0/0xb0 [ 256.777960][ T2046] ? __fdget_pos+0x26d/0x310 [ 256.782521][ T2046] ? ksys_write+0x77/0x2c0 [ 256.786914][ T2046] ksys_write+0x198/0x2c0 [ 256.791230][ T2046] ? __ia32_sys_read+0x90/0x90 [ 256.795970][ T2046] ? debug_smp_processor_id+0x17/0x20 [ 256.801319][ T2046] __x64_sys_write+0x7b/0x90 [ 256.805889][ T2046] do_syscall_64+0x34/0x70 [ 256.810281][ T2046] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 256.816144][ T2046] RIP: 0033:0x7f2fc06ba0e9 [ 256.820543][ T2046] 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 [ 256.840213][ T2046] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 256.848599][ T2046] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 256.856649][ T2046] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 256.864744][ T2046] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.872693][ T2046] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 256.880641][ T2046] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 256.889730][ T2046] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 256.896863][ T2046] !!!! control_disable control_disable ss name cpu [ 256.903375][ T2046] !!!! control_disable control_disable ss name memory [ 256.910114][ T2046] !!!! control_disable control_disable ss name pids [ 256.916790][ T2046] !!!! control_disable kill_css(ffff88811923d800) [ 256.923351][ T2046] !!!! IN kill css_get(ffff88811923d800) [ 256.929068][ T2046] !!!! IN kill css_get(ffff88811923d800) [ 256.934818][ T2046] !!!! control_disable control_disable ss name cpu [ 256.941304][ T2046] !!!! control_disable control_disable ss name memory [ 256.948087][ T2046] !!!! control_disable control_disable ss name pids [ 256.954666][ T2046] !!!! control_disable kill_css(ffff88811923f000) [ 256.961165][ T2046] !!!! IN kill css_get(ffff88811923f000) [ 256.966884][ T2046] !!!! IN kill css_get(ffff88811923f000) [ 256.972614][ T2046] !!!! control_disable control_disable ss name cpu [ 256.979090][ T2046] !!!! control_disable control_disable ss name memory [ 256.985846][ T2046] !!!! control_disable control_disable ss name pids [ 256.992429][ T2046] !!!! control_disable kill_css(ffff8881192ab000) [ 256.998926][ T2046] !!!! IN kill css_get(ffff8881192ab000) [ 257.004645][ T2046] !!!! IN kill css_get(ffff8881192ab000) [ 257.010375][ T2046] !!!! control_disable control_disable ss name cpu [ 257.016880][ T2046] !!!! control_disable control_disable ss name memory [ 257.023635][ T2046] !!!! control_disable control_disable ss name cpu [ 257.030104][ T2046] !!!! control_disable control_disable ss name memory [ 257.036873][ T2046] !!!! control_disable control_disable ss name cpu [ 257.043488][ T2046] !!!! control_disable control_disable ss name memory [ 257.050317][ T2046] !!!! control_disable control_disable ss name cpu [ 257.056829][ T2046] !!!! control_disable control_disable ss name memory [ 257.063610][ C0] !!!! css_killed_ref_fn enqueue(ffff88811923d800) [ 257.070205][ T2046] !!!! control_disable control_disable ss name pids [ 257.076807][ T2046] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.083311][ C0] !!!! css_killed_ref_fn enqueue(ffff88811923f000) [ 257.083327][ C0] !!!! css_killed_ref_fn enqueue(ffff8881192ab000) [ 257.096484][ T5] !!!! css_release_work_fn(ffff888118634400) [ 257.102587][ T5] !!!! css_release_work_fn(ffff888118ddbc00) [ 257.109037][ T5] !!!! css_release_work_fn(ffff888118ddac00) [ 257.115503][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.122374][ T5] !!!! css_killed_work_fn css_put(ffff88811923d800) [ 257.125479][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.129100][ T5] !!!! css_release enqueue(ffff88811923d800) [ 257.136643][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.142277][ T5] !!!! css_killed_work_fn css_put(ffff88811923f000) [ 257.149365][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.155789][ T5] !!!! css_release enqueue(ffff88811923f000) [ 257.168792][ T5] !!!! css_killed_work_fn css_put(ffff8881192ab000) [ 257.175538][ T5] !!!! css_release enqueue(ffff8881192ab000) [ 257.181672][ T2078] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.181743][ T2080] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.188411][ T2082] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.194680][ T2076] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.194731][ T2083] !!!! css_create css ffff8881192a9800 !!!! [ 257.213950][ T2083] !!!! css_create css ffff8881192aa000 !!!! [ 257.219861][ T2083] !!!! css_create css ffff8881192a8000 !!!! [ 257.225979][ T2083] FAULT_INJECTION: forcing a failure. [ 257.225979][ T2083] name failslab, interval 1, probability 0, space 0, times 0 [ 257.238582][ T2083] CPU: 0 PID: 2083 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 257.250356][ T2083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.260588][ T2083] Call Trace: [ 257.263870][ T2083] dump_stack_lvl+0x1e2/0x24b [ 257.268618][ T2083] ? bfq_pos_tree_add_move+0x43e/0x43e [ 257.274089][ T2083] dump_stack+0x15/0x17 [ 257.278221][ T2083] should_fail+0x3c0/0x510 [ 257.282630][ T2083] ? __kernfs_new_node+0x99/0x6e0 [ 257.287648][ T2083] __should_failslab+0x9f/0xe0 [ 257.292401][ T2083] should_failslab+0x9/0x20 [ 257.297016][ T2083] __kmalloc_track_caller+0x5f/0x350 [ 257.302281][ T2083] kstrdup_const+0x55/0x90 [ 257.306690][ T2083] __kernfs_new_node+0x99/0x6e0 [ 257.311540][ T2083] ? stack_trace_save+0x1f0/0x1f0 [ 257.316562][ T2083] ? kernfs_new_node+0x170/0x170 [ 257.321497][ T2083] ? ptr_to_hashval+0x60/0x60 [ 257.326336][ T2083] ? snprintf+0xd6/0x120 [ 257.330558][ T2083] kernfs_new_node+0x97/0x170 [ 257.335223][ T2083] __kernfs_create_file+0x4a/0x270 [ 257.340314][ T2083] cgroup_addrm_files+0xab8/0xfe0 [ 257.345317][ T2083] ? cgroup_apply_control_enable+0x734/0x12e0 [ 257.351357][ T2083] ? cgroup_apply_control+0x93/0x710 [ 257.356638][ T2083] ? cgroup_subtree_control_write+0xd19/0x1310 [ 257.362785][ T2083] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 257.368923][ T2083] ? delete_node+0x759/0x7b0 [ 257.373576][ T2083] ? __kasan_check_read+0x11/0x20 [ 257.378663][ T2083] ? delete_node+0x759/0x7b0 [ 257.383245][ T2083] ? __kasan_check_write+0x14/0x20 [ 257.388336][ T2083] ? __radix_tree_replace+0x246/0x2e0 [ 257.393691][ T2083] ? idr_get_next+0x4b0/0x4b0 [ 257.398347][ T2083] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 257.403354][ T2083] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 257.408529][ T2083] css_populate_dir+0x137/0x370 [ 257.413378][ T2083] cgroup_apply_control_enable+0x629/0x12e0 [ 257.419248][ T2083] cgroup_apply_control+0x93/0x710 [ 257.424358][ T2083] ? css_next_child+0x160/0x160 [ 257.429194][ T2083] ? set_next_entity+0xc5/0x390 [ 257.434026][ T2083] ? io_schedule+0x120/0x120 [ 257.438693][ T2083] ? kernfs_fop_write_iter+0x15e/0x410 [ 257.444128][ T2083] ? __kasan_check_write+0x14/0x20 [ 257.449220][ T2083] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 257.454482][ T2083] cgroup_subtree_control_write+0xd19/0x1310 [ 257.460442][ T2083] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 257.466403][ T2083] ? __kasan_check_write+0x14/0x20 [ 257.471510][ T2083] ? _copy_from_iter+0x3fb/0xd60 [ 257.476424][ T2083] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 257.482381][ T2083] cgroup_file_write+0x28e/0x590 [ 257.487308][ T2083] ? cgroup_seqfile_stop+0xc0/0xc0 [ 257.492394][ T2083] ? mutex_lock+0xa6/0x110 [ 257.496799][ T2083] ? mutex_trylock+0xb0/0xb0 [ 257.501366][ T2083] ? __kasan_check_write+0x14/0x20 [ 257.506454][ T2083] kernfs_fop_write_iter+0x2d0/0x410 [ 257.511713][ T2083] ? cgroup_seqfile_stop+0xc0/0xc0 [ 257.516801][ T2083] vfs_write+0xc1c/0xf40 [ 257.521024][ T2083] ? kernel_write+0x3c0/0x3c0 [ 257.525699][ T2083] ? mutex_trylock+0xb0/0xb0 [ 257.530280][ T2083] ? __fdget_pos+0x26d/0x310 [ 257.534858][ T2083] ? ksys_write+0x77/0x2c0 [ 257.539597][ T2083] ksys_write+0x198/0x2c0 [ 257.543906][ T2083] ? __ia32_sys_read+0x90/0x90 [ 257.548656][ T2083] ? debug_smp_processor_id+0x17/0x20 [ 257.554090][ T2083] __x64_sys_write+0x7b/0x90 [ 257.558932][ T2083] do_syscall_64+0x34/0x70 [ 257.563346][ T2083] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 257.569213][ T2083] RIP: 0033:0x7fe9a8a760e9 [ 257.574134][ T2083] 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 [ 257.593802][ T2083] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 257.602227][ T2083] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 257.610282][ T2083] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 257.618414][ T2083] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 257.626373][ T2083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 257.634427][ T2083] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 257.642569][ T2083] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 257.649700][ T2083] !!!! control_disable control_disable ss name cpu [ 257.656284][ T2083] !!!! control_disable control_disable ss name memory [ 257.663399][ T2083] !!!! control_disable control_disable ss name pids [ 257.670055][ T2083] !!!! control_disable kill_css(ffff8881192a9800) [ 257.676678][ T2083] !!!! IN kill css_get(ffff8881192a9800) [ 257.682461][ T2083] !!!! IN kill css_get(ffff8881192a9800) [ 257.688260][ T2083] !!!! control_disable control_disable ss name cpu [ 257.694859][ T2083] !!!! control_disable control_disable ss name memory [ 257.701750][ T2083] !!!! control_disable control_disable ss name pids [ 257.708394][ T2083] !!!! control_disable kill_css(ffff8881192aa000) [ 257.715065][ T2083] !!!! IN kill css_get(ffff8881192aa000) [ 257.720895][ T2083] !!!! IN kill css_get(ffff8881192aa000) [ 257.726662][ C0] !!!! css_killed_ref_fn enqueue(ffff8881192a9800) [ 257.733286][ T2083] !!!! control_disable control_disable ss name cpu [ 257.739863][ T2083] !!!! control_disable control_disable ss name memory [ 257.746641][ T2083] !!!! control_disable control_disable ss name pids [ 257.753236][ T2083] !!!! control_disable kill_css(ffff8881192a8000) [ 257.759796][ T2083] !!!! IN kill css_get(ffff8881192a8000) [ 257.765532][ T2083] !!!! IN kill css_get(ffff8881192a8000) [ 257.771239][ T2083] !!!! control_disable control_disable ss name cpu [ 257.777754][ T2083] !!!! control_disable control_disable ss name memory [ 257.784509][ T2083] !!!! control_disable control_disable ss name cpu [ 257.791127][ T2083] !!!! control_disable control_disable ss name memory [ 257.797918][ T2083] !!!! control_disable control_disable ss name cpu [ 257.804436][ T2083] !!!! control_disable control_disable ss name memory [ 257.811185][ T2083] !!!! control_disable control_disable ss name cpu [ 257.817706][ T2083] !!!! control_disable control_disable ss name memory [ 257.824484][ T2083] !!!! control_disable control_disable ss name pids [ 257.831160][ T2083] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 257.837694][ T5] !!!! css_release_work_fn(ffff88811923d800) [ 257.843796][ T5] !!!! css_release_work_fn(ffff88811923f000) [ 257.849921][ T5] !!!! css_free_rwork_fn(ffff888118634400) [ 257.855953][ C0] !!!! css_killed_ref_fn enqueue(ffff8881192aa000) [ 257.862786][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.869809][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.877345][ T5] !!!! css_free_rwork_fn(ffff888118ddbc00) [ 257.877539][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.883309][ C0] !!!! css_killed_ref_fn enqueue(ffff8881192a8000) [ 257.883604][ T5] !!!! css_free_rwork_fn(ffff888118ddac00) [ 257.890776][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 257.897018][ T5] !!!! css_release_work_fn(ffff8881192ab000) [ 257.915730][ T5] !!!! css_killed_work_fn css_put(ffff8881192a9800) [ 257.922684][ T5] !!!! css_release enqueue(ffff8881192a9800) [ 257.929682][ T34] !!!! css_killed_work_fn css_put(ffff8881192aa000) [ 257.936861][ T34] !!!! css_release enqueue(ffff8881192aa000) [ 257.943101][ T34] !!!! css_killed_work_fn css_put(ffff8881192a8000) [ 257.949939][ T34] !!!! css_release enqueue(ffff8881192a8000) [ 257.956132][ T34] !!!! css_free_rwork_fn(ffff88811923d800) [ 257.956198][ T2059] !!!! css_create css ffff888118f84400 !!!! [ 257.962132][ T34] !!!! css_free_rwork_fn(ffff88811923f000) [ 257.968155][ T2059] !!!! css_create css ffff888116792000 !!!! [ 257.979839][ T2059] !!!! css_create css ffff888116791c00 !!!! [ 257.986034][ T2059] FAULT_INJECTION: forcing a failure. [ 257.986034][ T2059] name failslab, interval 1, probability 0, space 0, times 0 [ 257.998758][ T2059] CPU: 1 PID: 2059 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 258.010458][ T2059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.020506][ T2059] Call Trace: [ 258.023780][ T2059] dump_stack_lvl+0x1e2/0x24b [ 258.028439][ T2059] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.033876][ T2059] dump_stack+0x15/0x17 [ 258.038028][ T2059] should_fail+0x3c0/0x510 [ 258.042444][ T2059] ? __kernfs_new_node+0x99/0x6e0 [ 258.047444][ T2059] __should_failslab+0x9f/0xe0 [ 258.052186][ T2059] should_failslab+0x9/0x20 [ 258.056859][ T2059] __kmalloc_track_caller+0x5f/0x350 [ 258.062125][ T2059] kstrdup_const+0x55/0x90 [ 258.066520][ T2059] __kernfs_new_node+0x99/0x6e0 [ 258.071438][ T2059] ? stack_trace_save+0x1f0/0x1f0 [ 258.076550][ T2059] ? kernfs_new_node+0x170/0x170 [ 258.081481][ T2059] ? ptr_to_hashval+0x60/0x60 [ 258.086135][ T2059] ? snprintf+0xd6/0x120 [ 258.090370][ T2059] ? preempt_schedule_notrace+0x140/0x140 [ 258.096065][ T2059] kernfs_new_node+0x97/0x170 [ 258.100737][ T2059] __kernfs_create_file+0x4a/0x270 [ 258.105855][ T2059] cgroup_addrm_files+0xab8/0xfe0 [ 258.110882][ T2059] ? cgroup_apply_control_enable+0x734/0x12e0 [ 258.116938][ T2059] ? cgroup_apply_control+0x93/0x710 [ 258.122248][ T2059] ? cgroup_subtree_control_write+0xd19/0x1310 [ 258.128381][ T2059] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 258.134510][ T2059] ? delete_node+0x759/0x7b0 [ 258.139087][ T2059] ? __kasan_check_read+0x11/0x20 [ 258.144085][ T2059] ? delete_node+0x759/0x7b0 [ 258.148662][ T2059] ? __kasan_check_write+0x14/0x20 [ 258.153754][ T2059] ? __radix_tree_replace+0x246/0x2e0 [ 258.159110][ T2059] ? idr_get_next+0x4b0/0x4b0 [ 258.163774][ T2059] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 258.168780][ T2059] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 258.173952][ T2059] css_populate_dir+0x137/0x370 [ 258.178785][ T2059] cgroup_apply_control_enable+0x629/0x12e0 [ 258.184663][ T2059] cgroup_apply_control+0x93/0x710 [ 258.189747][ T2059] ? css_next_child+0x160/0x160 [ 258.194571][ T2059] ? dequeue_task_fair+0x7ad/0xb50 [ 258.199653][ T2059] ? io_schedule+0x120/0x120 [ 258.204217][ T2059] ? kernfs_fop_write_iter+0x15e/0x410 [ 258.209648][ T2059] ? __kasan_check_write+0x14/0x20 [ 258.214742][ T2059] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 258.220001][ T2059] cgroup_subtree_control_write+0xd19/0x1310 [ 258.225973][ T2059] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.231962][ T2059] ? __kasan_check_write+0x14/0x20 [ 258.237045][ T2059] ? _copy_from_iter+0x3fb/0xd60 [ 258.241961][ T2059] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.247918][ T2059] cgroup_file_write+0x28e/0x590 [ 258.252839][ T2059] ? cgroup_seqfile_stop+0xc0/0xc0 [ 258.257933][ T2059] ? mutex_lock+0xa6/0x110 [ 258.262320][ T2059] ? mutex_trylock+0xb0/0xb0 [ 258.266883][ T2059] ? __kasan_check_write+0x14/0x20 [ 258.271963][ T2059] kernfs_fop_write_iter+0x2d0/0x410 [ 258.277218][ T2059] ? cgroup_seqfile_stop+0xc0/0xc0 [ 258.282308][ T2059] vfs_write+0xc1c/0xf40 [ 258.286541][ T2059] ? kernel_write+0x3c0/0x3c0 [ 258.291200][ T2059] ? mutex_trylock+0xb0/0xb0 [ 258.295762][ T2059] ? __fdget_pos+0x26d/0x310 [ 258.300333][ T2059] ? ksys_write+0x77/0x2c0 [ 258.304719][ T2059] ksys_write+0x198/0x2c0 [ 258.309078][ T2059] ? __ia32_sys_read+0x90/0x90 [ 258.313823][ T2059] ? debug_smp_processor_id+0x17/0x20 [ 258.319173][ T2059] __x64_sys_write+0x7b/0x90 [ 258.323746][ T2059] do_syscall_64+0x34/0x70 [ 258.328134][ T2059] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 258.333999][ T2059] RIP: 0033:0x7ff3e27b70e9 [ 258.338388][ T2059] 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 [ 258.357965][ T2059] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 258.366351][ T2059] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 258.374305][ T2059] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 258.382254][ T2059] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 258.390212][ T2059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 258.398158][ T2059] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 258.406304][ T2059] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 258.413753][ T2059] !!!! control_disable control_disable ss name cpu [ 258.420355][ T2059] !!!! control_disable control_disable ss name memory [ 258.427201][ T2059] !!!! control_disable control_disable ss name pids [ 258.433863][ T2059] !!!! control_disable kill_css(ffff888118f84400) [ 258.440416][ T2059] !!!! IN kill css_get(ffff888118f84400) [ 258.446177][ T2059] !!!! IN kill css_get(ffff888118f84400) [ 258.451951][ T2059] !!!! control_disable control_disable ss name cpu [ 258.458524][ T2059] !!!! control_disable control_disable ss name memory [ 258.465350][ T2059] !!!! control_disable control_disable ss name pids [ 258.471997][ T2059] !!!! control_disable kill_css(ffff888116792000) [ 258.478570][ T2059] !!!! IN kill css_get(ffff888116792000) [ 258.484349][ T2059] !!!! IN kill css_get(ffff888116792000) [ 258.490171][ T2059] !!!! control_disable control_disable ss name cpu [ 258.496879][ C0] !!!! css_killed_ref_fn enqueue(ffff888118f84400) [ 258.503486][ T2059] !!!! control_disable control_disable ss name memory [ 258.510408][ T2059] !!!! control_disable control_disable ss name pids [ 258.517023][ T2059] !!!! control_disable kill_css(ffff888116791c00) [ 258.523623][ T2059] !!!! IN kill css_get(ffff888116791c00) [ 258.529316][ T2059] !!!! IN kill css_get(ffff888116791c00) [ 258.535140][ T2059] !!!! control_disable control_disable ss name cpu [ 258.541648][ T2059] !!!! control_disable control_disable ss name memory [ 258.548577][ T2059] !!!! control_disable control_disable ss name cpu [ 258.555176][ T2059] !!!! control_disable control_disable ss name memory [ 258.561952][ T2059] !!!! control_disable control_disable ss name cpu [ 258.568642][ T2059] !!!! control_disable control_disable ss name memory [ 258.575408][ T2059] !!!! control_disable control_disable ss name cpu [ 258.581916][ T2059] !!!! control_disable control_disable ss name memory [ 258.588738][ T2059] !!!! control_disable control_disable ss name pids [ 258.595463][ T2059] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 258.602008][ T34] !!!! css_release_work_fn(ffff8881192a9800) [ 258.608349][ T34] !!!! css_release_work_fn(ffff8881192aa000) [ 258.614428][ C0] !!!! css_killed_ref_fn enqueue(ffff888116792000) [ 258.621091][ T34] !!!! css_free_rwork_fn(ffff8881192ab000) [ 258.627161][ T34] !!!! css_release_work_fn(ffff8881192a8000) [ 258.632884][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 258.633242][ C0] !!!! css_killed_ref_fn enqueue(ffff888116791c00) [ 258.640502][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 258.647127][ T34] !!!! css_killed_work_fn css_put(ffff888118f84400) [ 258.657005][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 258.660548][ T34] !!!! css_release enqueue(ffff888118f84400) [ 258.668711][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 258.674594][ T34] !!!! css_killed_work_fn css_put(ffff888116792000) [ 258.688004][ T34] !!!! css_release enqueue(ffff888116792000) [ 258.694312][ T34] !!!! css_killed_work_fn css_put(ffff888116791c00) [ 258.701104][ T34] !!!! css_release enqueue(ffff888116791c00) [ 258.707351][ T34] !!!! css_free_rwork_fn(ffff8881192a9800) [ 258.707407][ T2073] !!!! css_create css ffff888116307400 !!!! [ 258.713410][ T34] !!!! css_free_rwork_fn(ffff8881192aa000) [ 258.719517][ T2073] !!!! css_create css ffff888116306c00 !!!! [ 258.731203][ T2073] !!!! css_create css ffff888116304c00 !!!! [ 258.737323][ T2073] FAULT_INJECTION: forcing a failure. [ 258.737323][ T2073] name failslab, interval 1, probability 0, space 0, times 0 [ 258.750138][ T2073] CPU: 1 PID: 2073 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 258.761755][ T2073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.771794][ T2073] Call Trace: [ 258.775063][ T2073] dump_stack_lvl+0x1e2/0x24b [ 258.779725][ T2073] ? bfq_pos_tree_add_move+0x43e/0x43e [ 258.785162][ T2073] dump_stack+0x15/0x17 [ 258.789295][ T2073] should_fail+0x3c0/0x510 [ 258.793806][ T2073] ? __kernfs_new_node+0x99/0x6e0 [ 258.798852][ T2073] __should_failslab+0x9f/0xe0 [ 258.803699][ T2073] should_failslab+0x9/0x20 [ 258.808207][ T2073] __kmalloc_track_caller+0x5f/0x350 [ 258.813581][ T2073] kstrdup_const+0x55/0x90 [ 258.818079][ T2073] __kernfs_new_node+0x99/0x6e0 [ 258.823030][ T2073] ? stack_trace_save+0x1f0/0x1f0 [ 258.828035][ T2073] ? kernfs_new_node+0x170/0x170 [ 258.832952][ T2073] ? ptr_to_hashval+0x60/0x60 [ 258.837726][ T2073] ? snprintf+0xd6/0x120 [ 258.842045][ T2073] kernfs_new_node+0x97/0x170 [ 258.846941][ T2073] __kernfs_create_file+0x4a/0x270 [ 258.852047][ T2073] cgroup_addrm_files+0xab8/0xfe0 [ 258.857052][ T2073] ? cgroup_apply_control_enable+0x734/0x12e0 [ 258.863132][ T2073] ? cgroup_apply_control+0x93/0x710 [ 258.868512][ T2073] ? cgroup_subtree_control_write+0xd19/0x1310 [ 258.874670][ T2073] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 258.880801][ T2073] ? delete_node+0x759/0x7b0 [ 258.885368][ T2073] ? __kasan_check_read+0x11/0x20 [ 258.890390][ T2073] ? delete_node+0x759/0x7b0 [ 258.894976][ T2073] ? __kasan_check_write+0x14/0x20 [ 258.900066][ T2073] ? __radix_tree_replace+0x246/0x2e0 [ 258.905423][ T2073] ? idr_get_next+0x4b0/0x4b0 [ 258.910105][ T2073] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 258.915114][ T2073] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 258.920289][ T2073] css_populate_dir+0x137/0x370 [ 258.925128][ T2073] cgroup_apply_control_enable+0x629/0x12e0 [ 258.931088][ T2073] cgroup_apply_control+0x93/0x710 [ 258.936175][ T2073] ? css_next_child+0x160/0x160 [ 258.941000][ T2073] ? dequeue_task_fair+0x7ad/0xb50 [ 258.946286][ T2073] ? io_schedule+0x120/0x120 [ 258.950956][ T2073] ? kernfs_fop_write_iter+0x15e/0x410 [ 258.956389][ T2073] ? __kasan_check_write+0x14/0x20 [ 258.961481][ T2073] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 258.966881][ T2073] cgroup_subtree_control_write+0xd19/0x1310 [ 258.972852][ T2073] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.978807][ T2073] ? __kasan_check_write+0x14/0x20 [ 258.983893][ T2073] ? _copy_from_iter+0x3fb/0xd60 [ 258.988807][ T2073] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 258.994853][ T2073] cgroup_file_write+0x28e/0x590 [ 258.999770][ T2073] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.004896][ T2073] ? mutex_lock+0xa6/0x110 [ 259.009286][ T2073] ? mutex_trylock+0xb0/0xb0 [ 259.013954][ T2073] ? __kasan_check_write+0x14/0x20 [ 259.019073][ T2073] kernfs_fop_write_iter+0x2d0/0x410 [ 259.024345][ T2073] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.029431][ T2073] vfs_write+0xc1c/0xf40 [ 259.033703][ T2073] ? kernel_write+0x3c0/0x3c0 [ 259.038371][ T2073] ? mutex_trylock+0xb0/0xb0 [ 259.042953][ T2073] ? __fdget_pos+0x26d/0x310 [ 259.047514][ T2073] ? ksys_write+0x77/0x2c0 [ 259.051910][ T2073] ksys_write+0x198/0x2c0 [ 259.056231][ T2073] ? __ia32_sys_read+0x90/0x90 [ 259.060971][ T2073] ? debug_smp_processor_id+0x17/0x20 [ 259.066315][ T2073] __x64_sys_write+0x7b/0x90 [ 259.070976][ T2073] do_syscall_64+0x34/0x70 [ 259.075376][ T2073] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 259.081247][ T2073] RIP: 0033:0x7f5d5b96a0e9 [ 259.085644][ T2073] 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 [ 259.105231][ T2073] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 259.113735][ T2073] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 259.121708][ T2073] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 259.129663][ T2073] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 259.137613][ T2073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 259.145738][ T2073] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 259.153834][ T2073] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 259.160975][ T2073] !!!! control_disable control_disable ss name cpu [ 259.168168][ T2073] !!!! control_disable control_disable ss name memory [ 259.175034][ T2073] !!!! control_disable control_disable ss name pids [ 259.181814][ T2073] !!!! control_disable kill_css(ffff888116307400) [ 259.188507][ T2073] !!!! IN kill css_get(ffff888116307400) [ 259.194610][ T2073] !!!! IN kill css_get(ffff888116307400) [ 259.200359][ T2073] !!!! control_disable control_disable ss name cpu [ 259.206932][ T2073] !!!! control_disable control_disable ss name memory [ 259.213780][ T2073] !!!! control_disable control_disable ss name pids [ 259.220489][ T2073] !!!! control_disable kill_css(ffff888116306c00) [ 259.227020][ C1] !!!! css_killed_ref_fn enqueue(ffff888116307400) [ 259.227110][ T2073] !!!! IN kill css_get(ffff888116306c00) [ 259.239477][ T2073] !!!! IN kill css_get(ffff888116306c00) [ 259.245239][ T2073] !!!! control_disable control_disable ss name cpu [ 259.251765][ T2073] !!!! control_disable control_disable ss name memory [ 259.258507][ T2073] !!!! control_disable control_disable ss name pids [ 259.265189][ T2073] !!!! control_disable kill_css(ffff888116304c00) [ 259.271708][ T2073] !!!! IN kill css_get(ffff888116304c00) [ 259.277401][ T2073] !!!! IN kill css_get(ffff888116304c00) [ 259.283159][ T2073] !!!! control_disable control_disable ss name cpu [ 259.289666][ T2073] !!!! control_disable control_disable ss name memory [ 259.296511][ T2073] !!!! control_disable control_disable ss name cpu [ 259.303393][ T2073] !!!! control_disable control_disable ss name memory [ 259.310252][ T2073] !!!! control_disable control_disable ss name cpu [ 259.316773][ T2073] !!!! control_disable control_disable ss name memory [ 259.323591][ T2073] !!!! control_disable control_disable ss name cpu [ 259.330070][ T2073] !!!! control_disable control_disable ss name memory [ 259.336945][ T2073] !!!! control_disable control_disable ss name pids [ 259.343552][ T2073] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 259.350117][ T34] !!!! css_release_work_fn(ffff888118f84400) [ 259.357554][ T19] !!!! css_killed_work_fn css_put(ffff888116307400) [ 259.357612][ T5] !!!! css_free_rwork_fn(ffff8881192a8000) [ 259.364800][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.375210][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.377133][ T19] !!!! css_release enqueue(ffff888116307400) [ 259.383848][ C0] !!!! css_killed_ref_fn enqueue(ffff888116306c00) [ 259.383871][ C0] !!!! css_killed_ref_fn enqueue(ffff888116304c00) [ 259.384329][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.390045][ T19] !!!! css_release_work_fn(ffff888116307400) [ 259.397112][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.405857][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.410083][ T5] !!!! css_release_work_fn(ffff888116792000) [ 259.410125][ T5] !!!! css_release_work_fn(ffff888116791c00) [ 259.416743][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.423801][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.430436][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 259.438646][ T5] !!!! css_killed_work_fn css_put(ffff888116306c00) [ 259.442201][ T19] !!!! css_free_rwork_fn(ffff888116307400) [ 259.475307][ T5] !!!! css_release enqueue(ffff888116306c00) [ 259.481858][ T34] !!!! css_killed_work_fn css_put(ffff888116304c00) [ 259.488600][ T34] !!!! css_release enqueue(ffff888116304c00) [ 259.494827][ T5] !!!! css_free_rwork_fn(ffff888118f84400) [ 259.494851][ T2087] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 259.500707][ T5] !!!! css_free_rwork_fn(ffff888116792000) [ 259.500717][ T5] !!!! css_free_rwork_fn(ffff888116791c00) [ 259.500726][ T5] !!!! css_release_work_fn(ffff888116306c00) [ 259.500738][ T5] !!!! css_release_work_fn(ffff888116304c00) [ 259.531419][ T2085] !!!! css_create css ffff888119088400 !!!! [ 259.537466][ T2085] !!!! css_create css ffff888116c06c00 !!!! [ 259.543630][ T5] !!!! css_free_rwork_fn(ffff888116306c00) [ 259.549855][ T2085] !!!! css_create css ffff8881228dac00 !!!! [ 259.556931][ T5] !!!! css_free_rwork_fn(ffff888116304c00) [ 259.561707][ T2085] FAULT_INJECTION: forcing a failure. [ 259.561707][ T2085] name failslab, interval 1, probability 0, space 0, times 0 [ 259.575836][ T2085] CPU: 1 PID: 2085 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 259.587448][ T2085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.597479][ T2085] Call Trace: [ 259.600786][ T2085] dump_stack_lvl+0x1e2/0x24b [ 259.605444][ T2085] ? bfq_pos_tree_add_move+0x43e/0x43e [ 259.610880][ T2085] dump_stack+0x15/0x17 [ 259.615021][ T2085] should_fail+0x3c0/0x510 [ 259.619423][ T2085] ? __kernfs_new_node+0x99/0x6e0 [ 259.624427][ T2085] __should_failslab+0x9f/0xe0 [ 259.629257][ T2085] should_failslab+0x9/0x20 [ 259.633796][ T2085] __kmalloc_track_caller+0x5f/0x350 [ 259.639247][ T2085] kstrdup_const+0x55/0x90 [ 259.643669][ T2085] __kernfs_new_node+0x99/0x6e0 [ 259.648510][ T2085] ? stack_trace_save+0x1f0/0x1f0 [ 259.653507][ T2085] ? kernfs_new_node+0x170/0x170 [ 259.658426][ T2085] ? ptr_to_hashval+0x60/0x60 [ 259.663089][ T2085] ? snprintf+0xd6/0x120 [ 259.667322][ T2085] kernfs_new_node+0x97/0x170 [ 259.672013][ T2085] __kernfs_create_file+0x4a/0x270 [ 259.677111][ T2085] cgroup_addrm_files+0xab8/0xfe0 [ 259.682119][ T2085] ? cgroup_apply_control_enable+0x734/0x12e0 [ 259.688162][ T2085] ? cgroup_apply_control+0x93/0x710 [ 259.693444][ T2085] ? cgroup_subtree_control_write+0xd19/0x1310 [ 259.699579][ T2085] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 259.705817][ T2085] ? delete_node+0x759/0x7b0 [ 259.710558][ T2085] ? __kasan_check_read+0x11/0x20 [ 259.715558][ T2085] ? delete_node+0x759/0x7b0 [ 259.720138][ T2085] ? __kasan_check_write+0x14/0x20 [ 259.725331][ T2085] ? __radix_tree_replace+0x246/0x2e0 [ 259.730694][ T2085] ? idr_get_next+0x4b0/0x4b0 [ 259.735462][ T2085] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 259.740476][ T2085] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 259.745651][ T2085] css_populate_dir+0x137/0x370 [ 259.750571][ T2085] cgroup_apply_control_enable+0x629/0x12e0 [ 259.756709][ T2085] cgroup_apply_control+0x93/0x710 [ 259.761798][ T2085] ? css_next_child+0x160/0x160 [ 259.766638][ T2085] ? set_next_entity+0xc5/0x390 [ 259.771475][ T2085] ? io_schedule+0x120/0x120 [ 259.776400][ T2085] ? kernfs_fop_write_iter+0x15e/0x410 [ 259.781936][ T2085] ? __kasan_check_write+0x14/0x20 [ 259.787061][ T2085] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 259.792453][ T2085] cgroup_subtree_control_write+0xd19/0x1310 [ 259.798520][ T2085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.804494][ T2085] ? __kasan_check_write+0x14/0x20 [ 259.809602][ T2085] ? _copy_from_iter+0x3fb/0xd60 [ 259.814534][ T2085] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 259.821662][ T2085] cgroup_file_write+0x28e/0x590 [ 259.826872][ T2085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.831967][ T2085] ? mutex_lock+0xa6/0x110 [ 259.837069][ T2085] ? mutex_trylock+0xb0/0xb0 [ 259.841661][ T2085] ? __kasan_check_write+0x14/0x20 [ 259.846779][ T2085] kernfs_fop_write_iter+0x2d0/0x410 [ 259.852304][ T2085] ? cgroup_seqfile_stop+0xc0/0xc0 [ 259.857392][ T2085] vfs_write+0xc1c/0xf40 [ 259.861838][ T2085] ? kernel_write+0x3c0/0x3c0 [ 259.866632][ T2085] ? mutex_trylock+0xb0/0xb0 [ 259.871207][ T2085] ? __fdget_pos+0x26d/0x310 [ 259.875794][ T2085] ? ksys_write+0x77/0x2c0 [ 259.880191][ T2085] ksys_write+0x198/0x2c0 [ 259.884510][ T2085] ? __ia32_sys_read+0x90/0x90 [ 259.889422][ T2085] ? debug_smp_processor_id+0x17/0x20 [ 259.894956][ T2085] __x64_sys_write+0x7b/0x90 [ 259.899549][ T2085] do_syscall_64+0x34/0x70 [ 259.903970][ T2085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 259.910043][ T2085] RIP: 0033:0x7fccade130e9 [ 259.914806][ T2085] 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 [ 259.934595][ T2085] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 259.942988][ T2085] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 259.950985][ T2085] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 259.958934][ T2085] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 259.966996][ T2085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 259.974958][ T2085] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 259.983535][ T2085] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 259.990696][ T2085] !!!! control_disable control_disable ss name cpu [ 259.997407][ T2085] !!!! control_disable control_disable ss name memory [ 260.004242][ T2085] !!!! control_disable control_disable ss name pids [ 260.010861][ T2085] !!!! control_disable kill_css(ffff888119088400) [ 260.018330][ T2085] !!!! IN kill css_get(ffff888119088400) [ 260.024087][ T2085] !!!! IN kill css_get(ffff888119088400) [ 260.029822][ T2085] !!!! control_disable control_disable ss name cpu [ 260.036442][ T2085] !!!! control_disable control_disable ss name memory [ 260.043303][ T2085] !!!! control_disable control_disable ss name pids [ 260.049887][ T2085] !!!! control_disable kill_css(ffff888116c06c00) [ 260.056395][ C1] !!!! css_killed_ref_fn enqueue(ffff888119088400) [ 260.063069][ T2085] !!!! IN kill css_get(ffff888116c06c00) [ 260.068782][ T2085] !!!! IN kill css_get(ffff888116c06c00) [ 260.074525][ T2085] !!!! control_disable control_disable ss name cpu [ 260.081009][ T2085] !!!! control_disable control_disable ss name memory [ 260.087830][ T2085] !!!! control_disable control_disable ss name pids [ 260.094426][ T2085] !!!! control_disable kill_css(ffff8881228dac00) [ 260.100906][ T2085] !!!! IN kill css_get(ffff8881228dac00) [ 260.108718][ T2085] !!!! IN kill css_get(ffff8881228dac00) [ 260.114453][ T2085] !!!! control_disable control_disable ss name cpu [ 260.120961][ T2085] !!!! control_disable control_disable ss name memory [ 260.127722][ T2085] !!!! control_disable control_disable ss name cpu [ 260.134405][ T2085] !!!! control_disable control_disable ss name memory [ 260.141143][ T2085] !!!! control_disable control_disable ss name cpu [ 260.147651][ T2085] !!!! control_disable control_disable ss name memory [ 260.154515][ T2085] !!!! control_disable control_disable ss name cpu [ 260.161003][ T2085] !!!! control_disable control_disable ss name memory [ 260.167958][ T2085] !!!! control_disable control_disable ss name pids [ 260.174577][ T2085] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 260.181077][ T435] !!!! css_killed_work_fn css_put(ffff888119088400) [ 260.187821][ T435] !!!! css_release enqueue(ffff888119088400) [ 260.193924][ C1] !!!! css_killed_ref_fn enqueue(ffff888116c06c00) [ 260.200765][ T435] !!!! css_killed_work_fn css_put(ffff888116c06c00) [ 260.208852][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.216201][ C1] !!!! css_killed_ref_fn enqueue(ffff8881228dac00) [ 260.222967][ T435] !!!! css_release enqueue(ffff888116c06c00) [ 260.223498][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.229170][ T435] !!!! css_release_work_fn(ffff888119088400) [ 260.236879][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.242471][ T19] !!!! css_killed_work_fn css_put(ffff8881228dac00) [ 260.250624][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.255998][ T19] !!!! css_release enqueue(ffff8881228dac00) [ 260.268757][ T2084] !!!! css_create css ffff888119e94c00 !!!! [ 260.274985][ T2084] !!!! css_create css ffff88811af7b800 !!!! [ 260.280981][ T2084] !!!! css_create css ffff88811af7bc00 !!!! [ 260.287136][ T2084] FAULT_INJECTION: forcing a failure. [ 260.287136][ T2084] name failslab, interval 1, probability 0, space 0, times 0 [ 260.299749][ T2084] CPU: 1 PID: 2084 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 260.311363][ T2084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.321398][ T2084] Call Trace: [ 260.324675][ T2084] dump_stack_lvl+0x1e2/0x24b [ 260.329661][ T2084] ? bfq_pos_tree_add_move+0x43e/0x43e [ 260.335215][ T2084] dump_stack+0x15/0x17 [ 260.339368][ T2084] should_fail+0x3c0/0x510 [ 260.343804][ T2084] ? __kernfs_new_node+0x99/0x6e0 [ 260.348807][ T2084] __should_failslab+0x9f/0xe0 [ 260.353633][ T2084] should_failslab+0x9/0x20 [ 260.358142][ T2084] __kmalloc_track_caller+0x5f/0x350 [ 260.363403][ T2084] kstrdup_const+0x55/0x90 [ 260.367808][ T2084] __kernfs_new_node+0x99/0x6e0 [ 260.372632][ T2084] ? stack_trace_save+0x1f0/0x1f0 [ 260.377631][ T2084] ? kernfs_new_node+0x170/0x170 [ 260.382545][ T2084] ? ptr_to_hashval+0x60/0x60 [ 260.387225][ T2084] ? snprintf+0xd6/0x120 [ 260.391451][ T2084] kernfs_new_node+0x97/0x170 [ 260.396193][ T2084] __kernfs_create_file+0x4a/0x270 [ 260.401400][ T2084] cgroup_addrm_files+0xab8/0xfe0 [ 260.406409][ T2084] ? cgroup_apply_control_enable+0x734/0x12e0 [ 260.412463][ T2084] ? cgroup_apply_control+0x93/0x710 [ 260.417735][ T2084] ? cgroup_subtree_control_write+0xd19/0x1310 [ 260.423871][ T2084] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 260.430082][ T2084] ? delete_node+0x759/0x7b0 [ 260.434832][ T2084] ? __kasan_check_read+0x11/0x20 [ 260.439839][ T2084] ? delete_node+0x759/0x7b0 [ 260.444416][ T2084] ? __kasan_check_write+0x14/0x20 [ 260.449689][ T2084] ? __radix_tree_replace+0x246/0x2e0 [ 260.455050][ T2084] ? idr_get_next+0x4b0/0x4b0 [ 260.459716][ T2084] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 260.464724][ T2084] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 260.469914][ T2084] css_populate_dir+0x137/0x370 [ 260.474756][ T2084] cgroup_apply_control_enable+0x629/0x12e0 [ 260.480621][ T2084] cgroup_apply_control+0x93/0x710 [ 260.485704][ T2084] ? css_next_child+0x160/0x160 [ 260.490544][ T2084] ? set_next_entity+0xc5/0x390 [ 260.495632][ T2084] ? io_schedule+0x120/0x120 [ 260.500203][ T2084] ? kernfs_fop_write_iter+0x15e/0x410 [ 260.506017][ T2084] ? __kasan_check_write+0x14/0x20 [ 260.511105][ T2084] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 260.516481][ T2084] cgroup_subtree_control_write+0xd19/0x1310 [ 260.522441][ T2084] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 260.528496][ T2084] ? __kasan_check_write+0x14/0x20 [ 260.533585][ T2084] ? _copy_from_iter+0x3fb/0xd60 [ 260.538521][ T2084] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 260.544473][ T2084] cgroup_file_write+0x28e/0x590 [ 260.549390][ T2084] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.554485][ T2084] ? mutex_lock+0xa6/0x110 [ 260.558965][ T2084] ? mutex_trylock+0xb0/0xb0 [ 260.563541][ T2084] ? __kasan_check_write+0x14/0x20 [ 260.568627][ T2084] kernfs_fop_write_iter+0x2d0/0x410 [ 260.574420][ T2084] ? cgroup_seqfile_stop+0xc0/0xc0 [ 260.579522][ T2084] vfs_write+0xc1c/0xf40 [ 260.583740][ T2084] ? kernel_write+0x3c0/0x3c0 [ 260.588402][ T2084] ? mutex_trylock+0xb0/0xb0 [ 260.592984][ T2084] ? __fdget_pos+0x26d/0x310 [ 260.597548][ T2084] ? ksys_write+0x77/0x2c0 [ 260.602311][ T2084] ksys_write+0x198/0x2c0 [ 260.606641][ T2084] ? __ia32_sys_read+0x90/0x90 [ 260.611762][ T2084] ? debug_smp_processor_id+0x17/0x20 [ 260.617217][ T2084] __x64_sys_write+0x7b/0x90 [ 260.622021][ T2084] do_syscall_64+0x34/0x70 [ 260.626513][ T2084] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 260.632387][ T2084] RIP: 0033:0x7f75104510e9 [ 260.636814][ T2084] 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 [ 260.656582][ T2084] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 260.665154][ T2084] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 260.673309][ T2084] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 260.681260][ T2084] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 260.689304][ T2084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 260.697255][ T2084] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 260.705535][ T2084] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 260.713079][ T2084] !!!! control_disable control_disable ss name cpu [ 260.719718][ T2084] !!!! control_disable control_disable ss name memory [ 260.726666][ T2084] !!!! control_disable control_disable ss name pids [ 260.733379][ T2084] !!!! control_disable kill_css(ffff888119e94c00) [ 260.739948][ T2084] !!!! IN kill css_get(ffff888119e94c00) [ 260.745707][ T2084] !!!! IN kill css_get(ffff888119e94c00) [ 260.751470][ T2084] !!!! control_disable control_disable ss name cpu [ 260.758011][ T2084] !!!! control_disable control_disable ss name memory [ 260.764848][ T2084] !!!! control_disable control_disable ss name pids [ 260.771548][ T2084] !!!! control_disable kill_css(ffff88811af7b800) [ 260.778794][ T2084] !!!! IN kill css_get(ffff88811af7b800) [ 260.781644][ C0] !!!! css_killed_ref_fn enqueue(ffff888119e94c00) [ 260.784841][ T2084] !!!! IN kill css_get(ffff88811af7b800) [ 260.796962][ T2084] !!!! control_disable control_disable ss name cpu [ 260.803590][ T2084] !!!! control_disable control_disable ss name memory [ 260.810431][ T2084] !!!! control_disable control_disable ss name pids [ 260.817022][ T2084] !!!! control_disable kill_css(ffff88811af7bc00) [ 260.823716][ T2084] !!!! IN kill css_get(ffff88811af7bc00) [ 260.829676][ T2084] !!!! IN kill css_get(ffff88811af7bc00) [ 260.835435][ T2084] !!!! control_disable control_disable ss name cpu [ 260.841956][ T2084] !!!! control_disable control_disable ss name memory [ 260.848700][ T2084] !!!! control_disable control_disable ss name cpu [ 260.855208][ T2084] !!!! control_disable control_disable ss name memory [ 260.862137][ T2084] !!!! control_disable control_disable ss name cpu [ 260.868626][ T2084] !!!! control_disable control_disable ss name memory [ 260.875493][ T2084] !!!! control_disable control_disable ss name cpu [ 260.882009][ T2084] !!!! control_disable control_disable ss name memory [ 260.888764][ T2084] !!!! control_disable control_disable ss name pids [ 260.895429][ T2084] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 260.901949][ C1] !!!! css_killed_ref_fn enqueue(ffff88811af7b800) [ 260.908646][ T19] !!!! css_release_work_fn(ffff888116c06c00) [ 260.914788][ T19] !!!! css_release_work_fn(ffff8881228dac00) [ 260.920847][ T19] !!!! css_free_rwork_fn(ffff888119088400) [ 260.921623][ T382] !!!! css_killed_work_fn css_put(ffff888119e94c00) [ 260.927580][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.934460][ T382] !!!! css_release enqueue(ffff888119e94c00) [ 260.940958][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.946347][ C1] !!!! css_killed_ref_fn enqueue(ffff88811af7bc00) [ 260.946540][ T34] !!!! css_release_work_fn(ffff888119e94c00) [ 260.953705][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.961284][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.966896][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.977419][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.980094][ T19] !!!! css_killed_work_fn css_put(ffff88811af7b800) [ 260.987870][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 260.994335][ T19] !!!! css_release enqueue(ffff88811af7b800) [ 261.002399][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 261.007820][ T435] !!!! css_killed_work_fn css_put(ffff88811af7bc00) [ 261.016046][ T382] !!!! css_free_rwork_fn(ffff888119e94c00) [ 261.020337][ T435] !!!! css_release enqueue(ffff88811af7bc00) [ 261.038944][ T2095] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 261.039150][ T2104] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 261.045702][ T2102] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 261.052115][ T2088] !!!! css_create css ffff888113622400 !!!! [ 261.065506][ T435] !!!! css_free_rwork_fn(ffff888116c06c00) [ 261.066252][ T2088] !!!! css_create css ffff888114658c00 !!!! [ 261.071379][ T435] !!!! css_free_rwork_fn(ffff8881228dac00) [ 261.083272][ T2088] !!!! css_create css ffff88811465bc00 !!!! [ 261.089182][ T2088] FAULT_INJECTION: forcing a failure. [ 261.089182][ T2088] name failslab, interval 1, probability 0, space 0, times 0 [ 261.101782][ T2088] CPU: 0 PID: 2088 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 261.113403][ T2088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.123431][ T2088] Call Trace: [ 261.126712][ T2088] dump_stack_lvl+0x1e2/0x24b [ 261.131365][ T2088] ? bfq_pos_tree_add_move+0x43e/0x43e [ 261.136881][ T2088] ? serial8250_console_write+0xae0/0xe60 [ 261.142666][ T2088] ? record_print_text+0x266/0x420 [ 261.147752][ T2088] dump_stack+0x15/0x17 [ 261.151893][ T2088] should_fail+0x3c0/0x510 [ 261.156293][ T2088] ? __kernfs_new_node+0x99/0x6e0 [ 261.161293][ T2088] __should_failslab+0x9f/0xe0 [ 261.166031][ T2088] should_failslab+0x9/0x20 [ 261.170506][ T2088] __kmalloc_track_caller+0x5f/0x350 [ 261.175763][ T2088] kstrdup_const+0x55/0x90 [ 261.180151][ T2088] __kernfs_new_node+0x99/0x6e0 [ 261.185077][ T2088] ? stack_trace_save+0x1f0/0x1f0 [ 261.190088][ T2088] ? kernfs_new_node+0x170/0x170 [ 261.195003][ T2088] ? ptr_to_hashval+0x60/0x60 [ 261.199666][ T2088] ? snprintf+0xd6/0x120 [ 261.203971][ T2088] kernfs_new_node+0x97/0x170 [ 261.208636][ T2088] __kernfs_create_file+0x4a/0x270 [ 261.213767][ T2088] cgroup_addrm_files+0xab8/0xfe0 [ 261.218882][ T2088] ? cgroup_apply_control_enable+0x734/0x12e0 [ 261.224932][ T2088] ? cgroup_apply_control+0x93/0x710 [ 261.230210][ T2088] ? cgroup_subtree_control_write+0xd19/0x1310 [ 261.236518][ T2088] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 261.242646][ T2088] ? delete_node+0x759/0x7b0 [ 261.247299][ T2088] ? __kasan_check_read+0x11/0x20 [ 261.252293][ T2088] ? delete_node+0x759/0x7b0 [ 261.256857][ T2088] ? __kasan_check_write+0x14/0x20 [ 261.261967][ T2088] ? __radix_tree_replace+0x246/0x2e0 [ 261.267338][ T2088] ? idr_get_next+0x4b0/0x4b0 [ 261.272074][ T2088] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 261.277516][ T2088] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 261.282703][ T2088] css_populate_dir+0x137/0x370 [ 261.287526][ T2088] cgroup_apply_control_enable+0x629/0x12e0 [ 261.293398][ T2088] cgroup_apply_control+0x93/0x710 [ 261.298509][ T2088] ? css_next_child+0x160/0x160 [ 261.303355][ T2088] ? io_schedule+0x120/0x120 [ 261.308097][ T2088] ? kernfs_fop_write_iter+0x15e/0x410 [ 261.313526][ T2088] ? __kasan_check_write+0x14/0x20 [ 261.318614][ T2088] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 261.323884][ T2088] cgroup_subtree_control_write+0xd19/0x1310 [ 261.329837][ T2088] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.335877][ T2088] ? __kasan_check_write+0x14/0x20 [ 261.340961][ T2088] ? _copy_from_iter+0x3fb/0xd60 [ 261.345869][ T2088] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.351821][ T2088] cgroup_file_write+0x28e/0x590 [ 261.356743][ T2088] ? cgroup_seqfile_stop+0xc0/0xc0 [ 261.361834][ T2088] ? mutex_lock+0xa6/0x110 [ 261.366343][ T2088] ? mutex_trylock+0xb0/0xb0 [ 261.370906][ T2088] ? __kasan_check_write+0x14/0x20 [ 261.376004][ T2088] kernfs_fop_write_iter+0x2d0/0x410 [ 261.381262][ T2088] ? cgroup_seqfile_stop+0xc0/0xc0 [ 261.386351][ T2088] vfs_write+0xc1c/0xf40 [ 261.390590][ T2088] ? kernel_write+0x3c0/0x3c0 [ 261.395241][ T2088] ? mutex_trylock+0xb0/0xb0 [ 261.399806][ T2088] ? __fdget_pos+0x26d/0x310 [ 261.404368][ T2088] ? ksys_write+0x77/0x2c0 [ 261.408765][ T2088] ksys_write+0x198/0x2c0 [ 261.413081][ T2088] ? __ia32_sys_read+0x90/0x90 [ 261.417816][ T2088] ? debug_smp_processor_id+0x17/0x20 [ 261.423162][ T2088] __x64_sys_write+0x7b/0x90 [ 261.427724][ T2088] do_syscall_64+0x34/0x70 [ 261.432112][ T2088] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 261.437991][ T2088] RIP: 0033:0x7fe9a8a760e9 [ 261.442467][ T2088] 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 [ 261.462396][ T2088] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 261.470786][ T2088] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 261.478734][ T2088] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 261.486679][ T2088] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 261.494626][ T2088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 261.502675][ T2088] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 261.511918][ T2088] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 261.519086][ T2088] !!!! control_disable control_disable ss name cpu [ 261.525747][ T2088] !!!! control_disable control_disable ss name memory [ 261.532735][ T2088] !!!! control_disable control_disable ss name pids [ 261.539743][ T2088] !!!! control_disable kill_css(ffff888113622400) [ 261.546351][ T2088] !!!! IN kill css_get(ffff888113622400) [ 261.552210][ T2088] !!!! IN kill css_get(ffff888113622400) [ 261.558057][ T2088] !!!! control_disable control_disable ss name cpu [ 261.564768][ T2088] !!!! control_disable control_disable ss name memory [ 261.571566][ T2088] !!!! control_disable control_disable ss name pids [ 261.578322][ T2088] !!!! control_disable kill_css(ffff888114658c00) [ 261.584831][ C1] !!!! css_killed_ref_fn enqueue(ffff888113622400) [ 261.591455][ T2088] !!!! IN kill css_get(ffff888114658c00) [ 261.597177][ T2088] !!!! IN kill css_get(ffff888114658c00) [ 261.602911][ T2088] !!!! control_disable control_disable ss name cpu [ 261.609392][ T2088] !!!! control_disable control_disable ss name memory [ 261.616167][ T2088] !!!! control_disable control_disable ss name pids [ 261.622769][ T2088] !!!! control_disable kill_css(ffff88811465bc00) [ 261.629248][ T2088] !!!! IN kill css_get(ffff88811465bc00) [ 261.634976][ T2088] !!!! IN kill css_get(ffff88811465bc00) [ 261.640702][ T2088] !!!! control_disable control_disable ss name cpu [ 261.647225][ T2088] !!!! control_disable control_disable ss name memory [ 261.654250][ T2088] !!!! control_disable control_disable ss name cpu [ 261.660740][ T2088] !!!! control_disable control_disable ss name memory [ 261.667503][ T2088] !!!! control_disable control_disable ss name cpu 2022/06/08 04:04:12 executed programs: 589 [ 261.674002][ T2088] !!!! control_disable control_disable ss name memory [ 261.680839][ T2088] !!!! control_disable control_disable ss name cpu [ 261.687351][ T2088] !!!! control_disable control_disable ss name memory [ 261.694469][ T2088] !!!! control_disable control_disable ss name pids [ 261.701094][ T2088] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 261.707622][ T435] !!!! css_release_work_fn(ffff88811af7b800) [ 261.713723][ T435] !!!! css_release_work_fn(ffff88811af7bc00) [ 261.719881][ T435] !!!! css_killed_work_fn css_put(ffff888113622400) [ 261.725399][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 261.726799][ T435] !!!! css_release enqueue(ffff888113622400) [ 261.733695][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 261.739689][ T435] !!!! css_release_work_fn(ffff888113622400) [ 261.746408][ C1] !!!! css_killed_ref_fn enqueue(ffff888114658c00) [ 261.746424][ C1] !!!! css_killed_ref_fn enqueue(ffff88811465bc00) [ 261.746788][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 261.753341][ T435] !!!! css_killed_work_fn css_put(ffff888114658c00) [ 261.760079][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 261.766350][ T435] !!!! css_release enqueue(ffff888114658c00) [ 261.792750][ T19] !!!! css_killed_work_fn css_put(ffff88811465bc00) [ 261.799553][ T19] !!!! css_release enqueue(ffff88811465bc00) [ 261.805807][ T2104] !!!! css_create css ffff888114c3d800 !!!! [ 261.811912][ T435] !!!! css_free_rwork_fn(ffff88811af7b800) [ 261.817823][ T435] !!!! css_free_rwork_fn(ffff88811af7bc00) [ 261.824132][ T2104] !!!! css_create css ffff888114c3f000 !!!! [ 261.830094][ T2104] !!!! css_create css ffff888114c3d400 !!!! [ 261.836125][ T2104] FAULT_INJECTION: forcing a failure. [ 261.836125][ T2104] name failslab, interval 1, probability 0, space 0, times 0 [ 261.848738][ T2104] CPU: 1 PID: 2104 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 261.860352][ T2104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.870511][ T2104] Call Trace: [ 261.873784][ T2104] dump_stack_lvl+0x1e2/0x24b [ 261.878453][ T2104] ? bfq_pos_tree_add_move+0x43e/0x43e [ 261.883894][ T2104] ? find_next_bit+0xd6/0x120 [ 261.888553][ T2104] ? cpumask_next+0x11/0x30 [ 261.893045][ T2104] dump_stack+0x15/0x17 [ 261.897194][ T2104] should_fail+0x3c0/0x510 [ 261.901636][ T2104] ? percpu_ref_init+0xd0/0x330 [ 261.906495][ T2104] __should_failslab+0x9f/0xe0 [ 261.911268][ T2104] should_failslab+0x9/0x20 [ 261.915799][ T2104] kmem_cache_alloc_trace+0x3a/0x330 [ 261.921079][ T2104] percpu_ref_init+0xd0/0x330 [ 261.925737][ T2104] ? cgroup_setup_root+0xea0/0xea0 [ 261.930830][ T2104] cgroup_apply_control_enable+0x734/0x12e0 [ 261.936722][ T2104] cgroup_apply_control+0x93/0x710 [ 261.942532][ T2104] ? css_next_child+0x160/0x160 [ 261.947380][ T2104] ? io_schedule+0x120/0x120 [ 261.951953][ T2104] ? kernfs_fop_write_iter+0x15e/0x410 [ 261.957390][ T2104] ? __kasan_check_write+0x14/0x20 [ 261.962485][ T2104] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 261.967761][ T2104] cgroup_subtree_control_write+0xd19/0x1310 [ 261.974053][ T2104] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.980014][ T2104] ? __kasan_check_write+0x14/0x20 [ 261.985130][ T2104] ? _copy_from_iter+0x3fb/0xd60 [ 261.990048][ T2104] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 261.996007][ T2104] cgroup_file_write+0x28e/0x590 [ 262.000931][ T2104] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.006037][ T2104] ? mutex_lock+0xa6/0x110 [ 262.010430][ T2104] ? mutex_trylock+0xb0/0xb0 [ 262.015096][ T2104] ? __kasan_check_write+0x14/0x20 [ 262.020179][ T2104] kernfs_fop_write_iter+0x2d0/0x410 [ 262.025438][ T2104] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.030526][ T2104] vfs_write+0xc1c/0xf40 [ 262.034750][ T2104] ? kernel_write+0x3c0/0x3c0 [ 262.039424][ T2104] ? mutex_trylock+0xb0/0xb0 [ 262.043996][ T2104] ? __fdget_pos+0x26d/0x310 [ 262.048561][ T2104] ? ksys_write+0x77/0x2c0 [ 262.052956][ T2104] ksys_write+0x198/0x2c0 [ 262.057258][ T2104] ? __ia32_sys_read+0x90/0x90 [ 262.061997][ T2104] ? debug_smp_processor_id+0x17/0x20 [ 262.067349][ T2104] __x64_sys_write+0x7b/0x90 [ 262.071913][ T2104] do_syscall_64+0x34/0x70 [ 262.076317][ T2104] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 262.082189][ T2104] RIP: 0033:0x7f75104510e9 [ 262.086577][ T2104] 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 [ 262.106157][ T2104] RSP: 002b:00007f75103c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 262.114643][ T2104] RAX: ffffffffffffffda RBX: 00007f7510563f60 RCX: 00007f75104510e9 [ 262.122625][ T2104] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 262.130584][ T2104] RBP: 00007f75103c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 262.138540][ T2104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 262.147276][ T2104] R13: 00007ffd3f2651cf R14: 00007f75103c7300 R15: 0000000000022000 [ 262.155419][ T2104] !!!! css_create rcu_enqueue(ffff888114c3d400) !!!! [ 262.162129][ T2104] !!!! control_disable control_disable ss name cpu [ 262.168618][ T2104] !!!! control_disable control_disable ss name memory [ 262.175394][ T2104] !!!! control_disable control_disable ss name pids [ 262.181976][ T2104] !!!! control_disable kill_css(ffff888114c3d800) [ 262.188509][ T2104] !!!! IN kill css_get(ffff888114c3d800) [ 262.194238][ T2104] !!!! IN kill css_get(ffff888114c3d800) [ 262.199949][ T2104] !!!! control_disable control_disable ss name cpu [ 262.206548][ T2104] !!!! control_disable control_disable ss name memory [ 262.213407][ T2104] !!!! control_disable control_disable ss name pids [ 262.219972][ T2104] !!!! control_disable kill_css(ffff888114c3f000) [ 262.226509][ T2104] !!!! IN kill css_get(ffff888114c3f000) [ 262.232233][ T2104] !!!! IN kill css_get(ffff888114c3f000) [ 262.237931][ T2104] !!!! control_disable control_disable ss name cpu [ 262.244436][ T2104] !!!! control_disable control_disable ss name memory [ 262.251184][ T2104] !!!! control_disable control_disable ss name cpu [ 262.257687][ T2104] !!!! control_disable control_disable ss name memory [ 262.264459][ T2104] !!!! control_disable control_disable ss name cpu [ 262.270937][ T2104] !!!! control_disable control_disable ss name memory [ 262.277718][ T2104] !!!! control_disable control_disable ss name cpu [ 262.284208][ T2104] !!!! control_disable control_disable ss name memory [ 262.290944][ T2104] !!!! control_disable control_disable ss name cpu [ 262.297450][ T2104] !!!! control_disable control_disable ss name memory [ 262.304200][ T2104] !!!! control_disable control_disable ss name pids [ 262.310778][ T2104] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 262.317307][ T19] !!!! css_release_work_fn(ffff888114658c00) [ 262.323392][ T19] !!!! css_release_work_fn(ffff88811465bc00) [ 262.329447][ T19] !!!! css_free_rwork_fn(ffff888113622400) [ 262.331789][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.335373][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c3d800) [ 262.342432][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.348764][ C1] !!!! css_killed_ref_fn enqueue(ffff888114c3f000) [ 262.355947][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.363126][ T19] !!!! css_free_rwork_fn(ffff888114c3d400) [ 262.370534][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.375738][ T435] !!!! css_killed_work_fn css_put(ffff888114c3d800) [ 262.389291][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.396410][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.403354][ T435] !!!! css_release enqueue(ffff888114c3d800) [ 262.403863][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.409595][ T435] !!!! css_killed_work_fn css_put(ffff888114c3f000) [ 262.417149][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 262.423295][ T435] !!!! css_release enqueue(ffff888114c3f000) [ 262.436228][ T435] !!!! css_free_rwork_fn(ffff888114658c00) [ 262.436244][ T2082] !!!! css_create css ffff8881161e6400 !!!! [ 262.442125][ T435] !!!! css_free_rwork_fn(ffff88811465bc00) [ 262.453999][ T2082] !!!! css_create css ffff8881161e5c00 !!!! [ 262.459907][ T2082] !!!! css_create css ffff8881161e6000 !!!! [ 262.465865][ T2082] FAULT_INJECTION: forcing a failure. [ 262.465865][ T2082] name failslab, interval 1, probability 0, space 0, times 0 [ 262.478465][ T2082] CPU: 0 PID: 2082 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 262.490077][ T2082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.500124][ T2082] Call Trace: [ 262.503400][ T2082] dump_stack_lvl+0x1e2/0x24b [ 262.508070][ T2082] ? bfq_pos_tree_add_move+0x43e/0x43e [ 262.513540][ T2082] dump_stack+0x15/0x17 [ 262.517720][ T2082] should_fail+0x3c0/0x510 [ 262.522118][ T2082] ? __kernfs_new_node+0x99/0x6e0 [ 262.527126][ T2082] __should_failslab+0x9f/0xe0 [ 262.531961][ T2082] should_failslab+0x9/0x20 [ 262.536462][ T2082] __kmalloc_track_caller+0x5f/0x350 [ 262.541725][ T2082] kstrdup_const+0x55/0x90 [ 262.546120][ T2082] __kernfs_new_node+0x99/0x6e0 [ 262.550947][ T2082] ? stack_trace_save+0x1f0/0x1f0 [ 262.555952][ T2082] ? kernfs_new_node+0x170/0x170 [ 262.560873][ T2082] ? ptr_to_hashval+0x60/0x60 [ 262.565616][ T2082] ? snprintf+0xd6/0x120 [ 262.569930][ T2082] kernfs_new_node+0x97/0x170 [ 262.574605][ T2082] __kernfs_create_file+0x4a/0x270 [ 262.579687][ T2082] cgroup_addrm_files+0xab8/0xfe0 [ 262.584682][ T2082] ? cgroup_apply_control_enable+0x734/0x12e0 [ 262.590804][ T2082] ? cgroup_apply_control+0x93/0x710 [ 262.596068][ T2082] ? cgroup_subtree_control_write+0xd19/0x1310 [ 262.602194][ T2082] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 262.608328][ T2082] ? delete_node+0x759/0x7b0 [ 262.612981][ T2082] ? __kasan_check_read+0x11/0x20 [ 262.617978][ T2082] ? delete_node+0x759/0x7b0 [ 262.622543][ T2082] ? __kasan_check_write+0x14/0x20 [ 262.627630][ T2082] ? __radix_tree_replace+0x246/0x2e0 [ 262.632983][ T2082] ? idr_get_next+0x4b0/0x4b0 [ 262.637635][ T2082] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 262.642631][ T2082] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 262.647843][ T2082] css_populate_dir+0x137/0x370 [ 262.652683][ T2082] cgroup_apply_control_enable+0x629/0x12e0 [ 262.658562][ T2082] cgroup_apply_control+0x93/0x710 [ 262.663654][ T2082] ? css_next_child+0x160/0x160 [ 262.668484][ T2082] ? io_schedule+0x120/0x120 [ 262.673138][ T2082] ? kernfs_fop_write_iter+0x15e/0x410 [ 262.678567][ T2082] ? __kasan_check_write+0x14/0x20 [ 262.683656][ T2082] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 262.688913][ T2082] cgroup_subtree_control_write+0xd19/0x1310 [ 262.694864][ T2082] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 262.700815][ T2082] ? __kasan_check_write+0x14/0x20 [ 262.705908][ T2082] ? _copy_from_iter+0x3fb/0xd60 [ 262.710818][ T2082] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 262.716767][ T2082] cgroup_file_write+0x28e/0x590 [ 262.721676][ T2082] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.726759][ T2082] ? mutex_lock+0xa6/0x110 [ 262.731145][ T2082] ? mutex_trylock+0xb0/0xb0 [ 262.735722][ T2082] ? __kasan_check_write+0x14/0x20 [ 262.740810][ T2082] kernfs_fop_write_iter+0x2d0/0x410 [ 262.746067][ T2082] ? cgroup_seqfile_stop+0xc0/0xc0 [ 262.751148][ T2082] vfs_write+0xc1c/0xf40 [ 262.755366][ T2082] ? kernel_write+0x3c0/0x3c0 [ 262.760024][ T2082] ? mutex_trylock+0xb0/0xb0 [ 262.764587][ T2082] ? __fdget_pos+0x26d/0x310 [ 262.769151][ T2082] ? ksys_write+0x77/0x2c0 [ 262.773539][ T2082] ksys_write+0x198/0x2c0 [ 262.777890][ T2082] ? __ia32_sys_read+0x90/0x90 [ 262.782646][ T2082] ? debug_smp_processor_id+0x17/0x20 [ 262.788019][ T2082] __x64_sys_write+0x7b/0x90 [ 262.792595][ T2082] do_syscall_64+0x34/0x70 [ 262.796988][ T2082] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 262.802878][ T2082] RIP: 0033:0x7f2fc06ba0e9 [ 262.807287][ T2082] 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 [ 262.827080][ T2082] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 262.835529][ T2082] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 262.843539][ T2082] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 262.851531][ T2082] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 262.861390][ T2082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 262.869439][ T2082] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 262.878490][ T2082] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 262.885604][ T2082] !!!! control_disable control_disable ss name cpu [ 262.892396][ T2082] !!!! control_disable control_disable ss name memory [ 262.899190][ T2082] !!!! control_disable control_disable ss name pids [ 262.905904][ T2082] !!!! control_disable kill_css(ffff8881161e6400) [ 262.912489][ T2082] !!!! IN kill css_get(ffff8881161e6400) [ 262.918200][ T2082] !!!! IN kill css_get(ffff8881161e6400) [ 262.923939][ T2082] !!!! control_disable control_disable ss name cpu [ 262.930419][ T2082] !!!! control_disable control_disable ss name memory [ 262.937200][ T2082] !!!! control_disable control_disable ss name pids [ 262.943789][ T2082] !!!! control_disable kill_css(ffff8881161e5c00) [ 262.950295][ T2082] !!!! IN kill css_get(ffff8881161e5c00) [ 262.956017][ C1] !!!! css_killed_ref_fn enqueue(ffff8881161e6400) [ 262.962637][ T2082] !!!! IN kill css_get(ffff8881161e5c00) [ 262.968418][ T2082] !!!! control_disable control_disable ss name cpu [ 262.975549][ T2082] !!!! control_disable control_disable ss name memory [ 262.982309][ T2082] !!!! control_disable control_disable ss name pids [ 262.988864][ T2082] !!!! control_disable kill_css(ffff8881161e6000) [ 262.995380][ T2082] !!!! IN kill css_get(ffff8881161e6000) [ 263.001101][ T2082] !!!! IN kill css_get(ffff8881161e6000) [ 263.006833][ T2082] !!!! control_disable control_disable ss name cpu [ 263.013337][ T2082] !!!! control_disable control_disable ss name memory [ 263.020073][ T2082] !!!! control_disable control_disable ss name cpu [ 263.026566][ T2082] !!!! control_disable control_disable ss name memory [ 263.033315][ T2082] !!!! control_disable control_disable ss name cpu [ 263.039956][ T2082] !!!! control_disable control_disable ss name memory [ 263.046712][ T2082] !!!! control_disable control_disable ss name cpu [ 263.053221][ T2082] !!!! control_disable control_disable ss name memory [ 263.059950][ T2082] !!!! control_disable control_disable ss name pids [ 263.066555][ T2082] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 263.073094][ T435] !!!! css_release_work_fn(ffff888114c3d800) [ 263.079149][ T435] !!!! css_release_work_fn(ffff888114c3f000) [ 263.085540][ T435] !!!! css_killed_work_fn css_put(ffff8881161e6400) [ 263.092222][ C1] !!!! css_killed_ref_fn enqueue(ffff8881161e5c00) [ 263.098853][ T435] !!!! css_release enqueue(ffff8881161e6400) [ 263.099231][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.105095][ T435] !!!! css_killed_work_fn css_put(ffff8881161e5c00) [ 263.112329][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.118499][ T435] !!!! css_release enqueue(ffff8881161e5c00) [ 263.118550][ T435] !!!! css_release_work_fn(ffff8881161e6400) [ 263.125371][ C1] !!!! css_killed_ref_fn enqueue(ffff8881161e6000) [ 263.126321][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.131945][ T19] !!!! css_release_work_fn(ffff8881161e5c00) [ 263.138719][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.144479][ T19] !!!! css_killed_work_fn css_put(ffff8881161e6000) [ 263.170695][ T19] !!!! css_release enqueue(ffff8881161e6000) [ 263.176868][ T19] !!!! css_free_rwork_fn(ffff888114c3d800) [ 263.177262][ T2115] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 263.182811][ T2102] !!!! css_create css ffff88811591f000 !!!! [ 263.182866][ T2102] !!!! css_create css ffff88811591d800 !!!! [ 263.201065][ T19] !!!! css_free_rwork_fn(ffff888114c3f000) [ 263.201471][ T2102] !!!! css_create css ffff888117acf400 !!!! [ 263.207087][ T19] !!!! css_free_rwork_fn(ffff8881161e6400) [ 263.213008][ T2102] FAULT_INJECTION: forcing a failure. [ 263.213008][ T2102] name failslab, interval 1, probability 0, space 0, times 0 [ 263.231337][ T2102] CPU: 0 PID: 2102 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 263.242935][ T2102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.252966][ T2102] Call Trace: [ 263.256246][ T2102] dump_stack_lvl+0x1e2/0x24b [ 263.260907][ T2102] ? bfq_pos_tree_add_move+0x43e/0x43e [ 263.266370][ T2102] dump_stack+0x15/0x17 [ 263.270515][ T2102] should_fail+0x3c0/0x510 [ 263.274919][ T2102] ? __kernfs_new_node+0x99/0x6e0 [ 263.279923][ T2102] __should_failslab+0x9f/0xe0 [ 263.284683][ T2102] should_failslab+0x9/0x20 [ 263.289166][ T2102] __kmalloc_track_caller+0x5f/0x350 [ 263.294430][ T2102] kstrdup_const+0x55/0x90 [ 263.298842][ T2102] __kernfs_new_node+0x99/0x6e0 [ 263.303698][ T2102] ? stack_trace_save+0x1f0/0x1f0 [ 263.308709][ T2102] ? kernfs_new_node+0x170/0x170 [ 263.313626][ T2102] ? ptr_to_hashval+0x60/0x60 [ 263.318301][ T2102] ? snprintf+0xd6/0x120 [ 263.322526][ T2102] kernfs_new_node+0x97/0x170 [ 263.327223][ T2102] __kernfs_create_file+0x4a/0x270 [ 263.332310][ T2102] cgroup_addrm_files+0xab8/0xfe0 [ 263.337417][ T2102] ? cgroup_apply_control_enable+0x734/0x12e0 [ 263.343469][ T2102] ? cgroup_apply_control+0x93/0x710 [ 263.348729][ T2102] ? cgroup_subtree_control_write+0xd19/0x1310 [ 263.354870][ T2102] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 263.361505][ T2102] ? delete_node+0x759/0x7b0 [ 263.366082][ T2102] ? __kasan_check_read+0x11/0x20 [ 263.371182][ T2102] ? delete_node+0x759/0x7b0 [ 263.376177][ T2102] ? __kasan_check_write+0x14/0x20 [ 263.381274][ T2102] ? __radix_tree_replace+0x246/0x2e0 [ 263.386644][ T2102] ? idr_get_next+0x4b0/0x4b0 [ 263.391317][ T2102] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 263.396338][ T2102] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 263.401558][ T2102] css_populate_dir+0x137/0x370 [ 263.406391][ T2102] cgroup_apply_control_enable+0x629/0x12e0 [ 263.412274][ T2102] cgroup_apply_control+0x93/0x710 [ 263.417984][ T2102] ? css_next_child+0x160/0x160 [ 263.422842][ T2102] ? io_schedule+0x120/0x120 [ 263.427428][ T2102] ? kernfs_fop_write_iter+0x15e/0x410 [ 263.432866][ T2102] ? __kasan_check_write+0x14/0x20 [ 263.438045][ T2102] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 263.443384][ T2102] cgroup_subtree_control_write+0xd19/0x1310 [ 263.449406][ T2102] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.456880][ T2102] ? __kasan_check_write+0x14/0x20 [ 263.461981][ T2102] ? _copy_from_iter+0x3fb/0xd60 [ 263.466921][ T2102] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 263.473068][ T2102] cgroup_file_write+0x28e/0x590 [ 263.477998][ T2102] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.483313][ T2102] ? mutex_lock+0xa6/0x110 [ 263.487704][ T2102] ? mutex_trylock+0xb0/0xb0 [ 263.492283][ T2102] ? __kasan_check_write+0x14/0x20 [ 263.497367][ T2102] kernfs_fop_write_iter+0x2d0/0x410 [ 263.502624][ T2102] ? cgroup_seqfile_stop+0xc0/0xc0 [ 263.507733][ T2102] vfs_write+0xc1c/0xf40 [ 263.511959][ T2102] ? kernel_write+0x3c0/0x3c0 [ 263.516724][ T2102] ? mutex_trylock+0xb0/0xb0 [ 263.521296][ T2102] ? __fdget_pos+0x26d/0x310 [ 263.525989][ T2102] ? ksys_write+0x77/0x2c0 [ 263.530379][ T2102] ksys_write+0x198/0x2c0 [ 263.534805][ T2102] ? __ia32_sys_read+0x90/0x90 [ 263.539552][ T2102] ? debug_smp_processor_id+0x17/0x20 [ 263.544908][ T2102] __x64_sys_write+0x7b/0x90 [ 263.549477][ T2102] do_syscall_64+0x34/0x70 [ 263.553869][ T2102] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 263.559739][ T2102] RIP: 0033:0x7fccade130e9 [ 263.564126][ T2102] 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 [ 263.583702][ T2102] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 263.592086][ T2102] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 263.600032][ T2102] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 263.607976][ T2102] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 263.615928][ T2102] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 263.623883][ T2102] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 263.632028][ T2102] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 263.639203][ T2102] !!!! control_disable control_disable ss name cpu [ 263.645738][ T2102] !!!! control_disable control_disable ss name memory [ 263.652650][ T2102] !!!! control_disable control_disable ss name pids [ 263.659326][ T2102] !!!! control_disable kill_css(ffff88811591f000) [ 263.665897][ T2102] !!!! IN kill css_get(ffff88811591f000) [ 263.671648][ T2102] !!!! IN kill css_get(ffff88811591f000) [ 263.677425][ T2102] !!!! control_disable control_disable ss name cpu [ 263.684001][ T2102] !!!! control_disable control_disable ss name memory [ 263.691767][ T2102] !!!! control_disable control_disable ss name pids [ 263.698353][ T2102] !!!! control_disable kill_css(ffff88811591d800) [ 263.704919][ T2102] !!!! IN kill css_get(ffff88811591d800) [ 263.705045][ C1] !!!! css_killed_ref_fn enqueue(ffff88811591f000) [ 263.710613][ T2102] !!!! IN kill css_get(ffff88811591d800) [ 263.710625][ T2102] !!!! control_disable control_disable ss name cpu [ 263.710630][ T2102] !!!! control_disable control_disable ss name memory [ 263.710635][ T2102] !!!! control_disable control_disable ss name pids [ 263.710640][ T2102] !!!! control_disable kill_css(ffff888117acf400) [ 263.710652][ T2102] !!!! IN kill css_get(ffff888117acf400) [ 263.754981][ T2102] !!!! IN kill css_get(ffff888117acf400) [ 263.760686][ T2102] !!!! control_disable control_disable ss name cpu [ 263.767199][ T2102] !!!! control_disable control_disable ss name memory [ 263.774033][ C0] !!!! css_killed_ref_fn enqueue(ffff88811591d800) [ 263.780630][ T2102] !!!! control_disable control_disable ss name cpu [ 263.787148][ T2102] !!!! control_disable control_disable ss name memory [ 263.793939][ C0] !!!! css_killed_ref_fn enqueue(ffff888117acf400) [ 263.800542][ T2102] !!!! control_disable control_disable ss name cpu [ 263.807084][ T2102] !!!! control_disable control_disable ss name memory [ 263.813953][ T2102] !!!! control_disable control_disable ss name cpu [ 263.820534][ T2102] !!!! control_disable control_disable ss name memory [ 263.827304][ T2102] !!!! control_disable control_disable ss name pids [ 263.833927][ T2102] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 263.840445][ T19] !!!! css_release_work_fn(ffff8881161e6000) [ 263.847345][ T34] !!!! css_killed_work_fn css_put(ffff88811591d800) [ 263.848490][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.858229][ T34] !!!! css_release enqueue(ffff88811591d800) [ 263.860972][ T19] !!!! css_free_rwork_fn(ffff8881161e5c00) [ 263.867244][ T34] !!!! css_killed_work_fn css_put(ffff888117acf400) [ 263.873107][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.879811][ T34] !!!! css_release enqueue(ffff888117acf400) [ 263.886883][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.892851][ T34] !!!! css_release_work_fn(ffff88811591d800) [ 263.900025][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 263.912511][ T19] !!!! css_killed_work_fn css_put(ffff88811591f000) [ 263.919336][ T19] !!!! css_release enqueue(ffff88811591f000) [ 263.925580][ T34] !!!! css_release_work_fn(ffff888117acf400) [ 263.925706][ T435] !!!! css_free_rwork_fn(ffff8881161e6000) [ 263.932684][ T34] !!!! css_free_rwork_fn(ffff88811591d800) [ 263.937775][ T2115] !!!! css_create css ffff888116875000 !!!! [ 263.949666][ T2115] !!!! css_create css ffff888116874000 !!!! [ 263.955597][ T2115] !!!! css_create css ffff888116876000 !!!! [ 263.961488][ T2115] FAULT_INJECTION: forcing a failure. [ 263.961488][ T2115] name failslab, interval 1, probability 0, space 0, times 0 [ 263.974175][ T2115] CPU: 1 PID: 2115 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 263.982018][ T34] !!!! css_free_rwork_fn(ffff888117acf400) [ 263.985785][ T2115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.985791][ T2115] Call Trace: [ 263.985807][ T2115] dump_stack_lvl+0x1e2/0x24b [ 263.985823][ T2115] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.015271][ T2115] ? serial8250_console_write+0xae0/0xe60 [ 264.020972][ T2115] ? record_print_text+0x266/0x420 [ 264.026274][ T2115] dump_stack+0x15/0x17 [ 264.030405][ T2115] should_fail+0x3c0/0x510 [ 264.034799][ T2115] ? __kernfs_new_node+0x99/0x6e0 [ 264.039799][ T2115] __should_failslab+0x9f/0xe0 [ 264.044587][ T2115] should_failslab+0x9/0x20 [ 264.049092][ T2115] __kmalloc_track_caller+0x5f/0x350 [ 264.054351][ T2115] kstrdup_const+0x55/0x90 [ 264.058742][ T2115] __kernfs_new_node+0x99/0x6e0 [ 264.063568][ T2115] ? stack_trace_save+0x1f0/0x1f0 [ 264.068568][ T2115] ? kernfs_new_node+0x170/0x170 [ 264.073481][ T2115] ? ptr_to_hashval+0x60/0x60 [ 264.078133][ T2115] ? snprintf+0xd6/0x120 [ 264.082360][ T2115] kernfs_new_node+0x97/0x170 [ 264.087032][ T2115] __kernfs_create_file+0x4a/0x270 [ 264.092133][ T2115] cgroup_addrm_files+0xab8/0xfe0 [ 264.097151][ T2115] ? cgroup_apply_control_enable+0x734/0x12e0 [ 264.103189][ T2115] ? cgroup_apply_control+0x93/0x710 [ 264.108465][ T2115] ? cgroup_subtree_control_write+0xd19/0x1310 [ 264.114611][ T2115] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 264.120753][ T2115] ? delete_node+0x759/0x7b0 [ 264.125320][ T2115] ? __kasan_check_read+0x11/0x20 [ 264.130327][ T2115] ? delete_node+0x759/0x7b0 [ 264.134896][ T2115] ? __kasan_check_write+0x14/0x20 [ 264.139994][ T2115] ? __radix_tree_replace+0x246/0x2e0 [ 264.145349][ T2115] ? idr_get_next+0x4b0/0x4b0 [ 264.150028][ T2115] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 264.155048][ T2115] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 264.160239][ T2115] css_populate_dir+0x137/0x370 [ 264.165065][ T2115] cgroup_apply_control_enable+0x629/0x12e0 [ 264.170940][ T2115] cgroup_apply_control+0x93/0x710 [ 264.176035][ T2115] ? css_next_child+0x160/0x160 [ 264.180859][ T2115] ? io_schedule+0x120/0x120 [ 264.185421][ T2115] ? kernfs_fop_write_iter+0x15e/0x410 [ 264.190854][ T2115] ? __kasan_check_write+0x14/0x20 [ 264.195940][ T2115] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 264.201215][ T2115] cgroup_subtree_control_write+0xd19/0x1310 [ 264.207176][ T2115] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 264.213131][ T2115] ? __kasan_check_write+0x14/0x20 [ 264.218217][ T2115] ? _copy_from_iter+0x3fb/0xd60 [ 264.223132][ T2115] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 264.229092][ T2115] cgroup_file_write+0x28e/0x590 [ 264.234007][ T2115] ? cgroup_seqfile_stop+0xc0/0xc0 [ 264.239088][ T2115] ? mutex_lock+0xa6/0x110 [ 264.244987][ T2115] ? mutex_trylock+0xb0/0xb0 [ 264.249555][ T2115] ? __kasan_check_write+0x14/0x20 [ 264.254645][ T2115] kernfs_fop_write_iter+0x2d0/0x410 [ 264.259917][ T2115] ? cgroup_seqfile_stop+0xc0/0xc0 [ 264.265004][ T2115] vfs_write+0xc1c/0xf40 [ 264.269220][ T2115] ? kernel_write+0x3c0/0x3c0 [ 264.273867][ T2115] ? mutex_trylock+0xb0/0xb0 [ 264.278430][ T2115] ? __fdget_pos+0x26d/0x310 [ 264.283005][ T2115] ? ksys_write+0x77/0x2c0 [ 264.287395][ T2115] ksys_write+0x198/0x2c0 [ 264.291699][ T2115] ? __ia32_sys_read+0x90/0x90 [ 264.296464][ T2115] ? debug_smp_processor_id+0x17/0x20 [ 264.301809][ T2115] __x64_sys_write+0x7b/0x90 [ 264.306374][ T2115] do_syscall_64+0x34/0x70 [ 264.310763][ T2115] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 264.316636][ T2115] RIP: 0033:0x7f2fc06ba0e9 [ 264.321033][ T2115] 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 [ 264.340823][ T2115] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 264.349222][ T2115] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 264.357183][ T2115] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 264.365155][ T2115] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 264.373125][ T2115] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 264.381163][ T2115] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 264.389318][ T2115] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 264.396388][ T2115] !!!! control_disable control_disable ss name cpu [ 264.402964][ T2115] !!!! control_disable control_disable ss name memory [ 264.409708][ T2115] !!!! control_disable control_disable ss name pids [ 264.416438][ T2115] !!!! control_disable kill_css(ffff888116875000) [ 264.423057][ T2115] !!!! IN kill css_get(ffff888116875000) [ 264.428757][ T2115] !!!! IN kill css_get(ffff888116875000) [ 264.434587][ T2115] !!!! control_disable control_disable ss name cpu [ 264.441069][ T2115] !!!! control_disable control_disable ss name memory [ 264.447883][ T2115] !!!! control_disable control_disable ss name pids [ 264.454588][ T2115] !!!! control_disable kill_css(ffff888116874000) [ 264.461174][ T2115] !!!! IN kill css_get(ffff888116874000) [ 264.467006][ T2115] !!!! IN kill css_get(ffff888116874000) [ 264.472780][ T2115] !!!! control_disable control_disable ss name cpu [ 264.472941][ C1] !!!! css_killed_ref_fn enqueue(ffff888116875000) [ 264.479327][ T2115] !!!! control_disable control_disable ss name memory [ 264.492656][ T2115] !!!! control_disable control_disable ss name pids [ 264.499212][ T2115] !!!! control_disable kill_css(ffff888116876000) [ 264.505731][ T2115] !!!! IN kill css_get(ffff888116876000) [ 264.511431][ T2115] !!!! IN kill css_get(ffff888116876000) [ 264.517153][ C0] !!!! css_killed_ref_fn enqueue(ffff888116874000) [ 264.523790][ T2115] !!!! control_disable control_disable ss name cpu [ 264.530277][ T2115] !!!! control_disable control_disable ss name memory [ 264.537050][ T2115] !!!! control_disable control_disable ss name cpu [ 264.543701][ T2115] !!!! control_disable control_disable ss name memory [ 264.550617][ T2115] !!!! control_disable control_disable ss name cpu [ 264.557301][ T2115] !!!! control_disable control_disable ss name memory [ 264.564184][ T2115] !!!! control_disable control_disable ss name cpu [ 264.570681][ T2115] !!!! control_disable control_disable ss name memory [ 264.577505][ T2115] !!!! control_disable control_disable ss name pids [ 264.584099][ C0] !!!! css_killed_ref_fn enqueue(ffff888116876000) [ 264.590699][ T2115] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 264.590869][ T435] !!!! css_release_work_fn(ffff88811591f000) [ 264.603416][ T34] !!!! css_killed_work_fn css_put(ffff888116874000) [ 264.611888][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.615504][ T34] !!!! css_release enqueue(ffff888116874000) [ 264.618935][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.625034][ T5] !!!! css_killed_work_fn css_put(ffff888116876000) [ 264.632429][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.639736][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.646057][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.655877][ T5] !!!! css_release enqueue(ffff888116876000) [ 264.661710][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.672177][ T435] !!!! css_killed_work_fn css_put(ffff888116875000) [ 264.673327][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.678884][ T435] !!!! css_release enqueue(ffff888116875000) [ 264.686498][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 264.692133][ T2120] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 264.698838][ T5] !!!! css_release_work_fn(ffff888116874000) [ 264.705220][ T435] !!!! css_free_rwork_fn(ffff88811591f000) [ 264.712022][ T5] !!!! css_release_work_fn(ffff888116876000) [ 264.723233][ T2110] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 264.723430][ T2097] !!!! css_create css ffff888119b55c00 !!!! [ 264.735757][ T2097] !!!! css_create css ffff888119b56400 !!!! [ 264.741703][ T2097] !!!! css_create css ffff888119b53800 !!!! [ 264.747655][ T2097] FAULT_INJECTION: forcing a failure. [ 264.747655][ T2097] name failslab, interval 1, probability 0, space 0, times 0 [ 264.760344][ T2097] CPU: 1 PID: 2097 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 264.761760][ T5] !!!! css_free_rwork_fn(ffff888116874000) [ 264.772049][ T2097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.772055][ T2097] Call Trace: [ 264.772083][ T2097] dump_stack_lvl+0x1e2/0x24b [ 264.772092][ T2097] ? bfq_pos_tree_add_move+0x43e/0x43e [ 264.772103][ T2097] ? serial8250_console_write+0xae0/0xe60 [ 264.772113][ T2097] ? record_print_text+0x266/0x420 [ 264.772129][ T2097] dump_stack+0x15/0x17 [ 264.778206][ T5] !!!! css_free_rwork_fn(ffff888116876000) [ 264.788144][ T2097] should_fail+0x3c0/0x510 [ 264.788156][ T2097] ? __kernfs_new_node+0x99/0x6e0 [ 264.788167][ T2097] __should_failslab+0x9f/0xe0 [ 264.788177][ T2097] should_failslab+0x9/0x20 [ 264.788187][ T2097] __kmalloc_track_caller+0x5f/0x350 [ 264.788197][ T2097] kstrdup_const+0x55/0x90 [ 264.788213][ T2097] __kernfs_new_node+0x99/0x6e0 [ 264.855625][ T2097] ? stack_trace_save+0x1f0/0x1f0 [ 264.860630][ T2097] ? kernfs_new_node+0x170/0x170 [ 264.865555][ T2097] ? ptr_to_hashval+0x60/0x60 [ 264.870212][ T2097] ? snprintf+0xd6/0x120 [ 264.874440][ T2097] kernfs_new_node+0x97/0x170 [ 264.879095][ T2097] __kernfs_create_file+0x4a/0x270 [ 264.884185][ T2097] cgroup_addrm_files+0xab8/0xfe0 [ 264.889204][ T2097] ? cgroup_apply_control_enable+0x734/0x12e0 [ 264.895317][ T2097] ? cgroup_apply_control+0x93/0x710 [ 264.900591][ T2097] ? cgroup_subtree_control_write+0xd19/0x1310 [ 264.906798][ T2097] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 264.912940][ T2097] ? delete_node+0x759/0x7b0 [ 264.917509][ T2097] ? __kasan_check_read+0x11/0x20 [ 264.922508][ T2097] ? delete_node+0x759/0x7b0 [ 264.927080][ T2097] ? __kasan_check_write+0x14/0x20 [ 264.932180][ T2097] ? __radix_tree_replace+0x246/0x2e0 [ 264.938333][ T2097] ? idr_get_next+0x4b0/0x4b0 [ 264.942985][ T2097] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 264.947995][ T2097] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 264.953261][ T2097] css_populate_dir+0x137/0x370 [ 264.958091][ T2097] cgroup_apply_control_enable+0x629/0x12e0 [ 264.963961][ T2097] cgroup_apply_control+0x93/0x710 [ 264.969049][ T2097] ? css_next_child+0x160/0x160 [ 264.974056][ T2097] ? dequeue_task_fair+0x7ad/0xb50 [ 264.979139][ T2097] ? io_schedule+0x120/0x120 [ 264.983702][ T2097] ? kernfs_fop_write_iter+0x15e/0x410 [ 264.989136][ T2097] ? __kasan_check_write+0x14/0x20 [ 264.994227][ T2097] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 264.999485][ T2097] cgroup_subtree_control_write+0xd19/0x1310 [ 265.005449][ T2097] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.011404][ T2097] ? __kasan_check_write+0x14/0x20 [ 265.016489][ T2097] ? _copy_from_iter+0x3fb/0xd60 [ 265.021402][ T2097] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.027354][ T2097] cgroup_file_write+0x28e/0x590 [ 265.032267][ T2097] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.037356][ T2097] ? mutex_lock+0xa6/0x110 [ 265.041744][ T2097] ? mutex_trylock+0xb0/0xb0 [ 265.046310][ T2097] ? __kasan_check_write+0x14/0x20 [ 265.051395][ T2097] kernfs_fop_write_iter+0x2d0/0x410 [ 265.056652][ T2097] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.061734][ T2097] vfs_write+0xc1c/0xf40 [ 265.065952][ T2097] ? kernel_write+0x3c0/0x3c0 [ 265.070602][ T2097] ? mutex_trylock+0xb0/0xb0 [ 265.075174][ T2097] ? __fdget_pos+0x26d/0x310 [ 265.079741][ T2097] ? ksys_write+0x77/0x2c0 [ 265.084135][ T2097] ksys_write+0x198/0x2c0 [ 265.088440][ T2097] ? __ia32_sys_read+0x90/0x90 [ 265.093176][ T2097] ? debug_smp_processor_id+0x17/0x20 [ 265.098523][ T2097] __x64_sys_write+0x7b/0x90 [ 265.103095][ T2097] do_syscall_64+0x34/0x70 [ 265.108819][ T2097] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 265.114751][ T2097] RIP: 0033:0x7ff3e27b70e9 [ 265.119149][ T2097] 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 [ 265.138820][ T2097] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 265.147217][ T2097] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 265.155161][ T2097] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 265.163111][ T2097] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 265.171059][ T2097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 265.179016][ T2097] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 265.188127][ T2097] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 265.195273][ T2097] !!!! control_disable control_disable ss name cpu [ 265.201951][ T2097] !!!! control_disable control_disable ss name memory [ 265.208759][ T2097] !!!! control_disable control_disable ss name pids [ 265.215439][ T2097] !!!! control_disable kill_css(ffff888119b55c00) [ 265.222019][ T2097] !!!! IN kill css_get(ffff888119b55c00) [ 265.227765][ T2097] !!!! IN kill css_get(ffff888119b55c00) [ 265.233541][ T2097] !!!! control_disable control_disable ss name cpu [ 265.240088][ T2097] !!!! control_disable control_disable ss name memory [ 265.246921][ T2097] !!!! control_disable control_disable ss name pids [ 265.253549][ T2097] !!!! control_disable kill_css(ffff888119b56400) [ 265.260097][ T2097] !!!! IN kill css_get(ffff888119b56400) [ 265.265828][ C1] !!!! css_killed_ref_fn enqueue(ffff888119b55c00) [ 265.272436][ T2097] !!!! IN kill css_get(ffff888119b56400) [ 265.278186][ T2097] !!!! control_disable control_disable ss name cpu [ 265.284920][ T2097] !!!! control_disable control_disable ss name memory [ 265.291889][ T2097] !!!! control_disable control_disable ss name pids [ 265.298486][ T2097] !!!! control_disable kill_css(ffff888119b53800) [ 265.305177][ T2097] !!!! IN kill css_get(ffff888119b53800) [ 265.310921][ T2097] !!!! IN kill css_get(ffff888119b53800) [ 265.316652][ C1] !!!! css_killed_ref_fn enqueue(ffff888119b56400) [ 265.323261][ T2097] !!!! control_disable control_disable ss name cpu [ 265.329733][ T2097] !!!! control_disable control_disable ss name memory [ 265.336512][ T2097] !!!! control_disable control_disable ss name cpu [ 265.343017][ T2097] !!!! control_disable control_disable ss name memory [ 265.349750][ T2097] !!!! control_disable control_disable ss name cpu [ 265.356245][ T2097] !!!! control_disable control_disable ss name memory [ 265.362999][ T2097] !!!! control_disable control_disable ss name cpu [ 265.369469][ T2097] !!!! control_disable control_disable ss name memory [ 265.376233][ T2097] !!!! control_disable control_disable ss name pids [ 265.382854][ T2097] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 265.389473][ T435] !!!! css_release_work_fn(ffff888116875000) [ 265.395665][ T435] !!!! css_killed_work_fn css_put(ffff888119b55c00) [ 265.402381][ C1] !!!! css_killed_ref_fn enqueue(ffff888119b53800) [ 265.409762][ T435] !!!! css_release enqueue(ffff888119b55c00) [ 265.409824][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.415899][ T378] !!!! css_killed_work_fn css_put(ffff888119b56400) [ 265.423243][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.429404][ T378] !!!! css_release enqueue(ffff888119b56400) [ 265.430591][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.440989][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.442394][ T378] !!!! css_killed_work_fn css_put(ffff888119b53800) [ 265.449954][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.456213][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.477424][ T378] !!!! css_release enqueue(ffff888119b53800) [ 265.478179][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.483892][ T2093] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 265.490853][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 265.497100][ T2120] !!!! css_create css ffff888115d58800 !!!! [ 265.509732][ T2120] !!!! css_create css ffff888115d5a800 !!!! [ 265.515707][ T2120] !!!! css_create css ffff888115d58400 !!!! [ 265.521648][ T2120] FAULT_INJECTION: forcing a failure. [ 265.521648][ T2120] name failslab, interval 1, probability 0, space 0, times 0 [ 265.534340][ T2120] CPU: 1 PID: 2120 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 265.545991][ T2120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.556042][ T2120] Call Trace: [ 265.559323][ T2120] dump_stack_lvl+0x1e2/0x24b [ 265.563990][ T2120] ? bfq_pos_tree_add_move+0x43e/0x43e [ 265.569426][ T2120] ? serial8250_console_write+0xae0/0xe60 [ 265.575297][ T2120] ? record_print_text+0x266/0x420 [ 265.580398][ T2120] dump_stack+0x15/0x17 [ 265.584531][ T2120] should_fail+0x3c0/0x510 [ 265.588922][ T2120] ? __kernfs_new_node+0x99/0x6e0 [ 265.593929][ T2120] __should_failslab+0x9f/0xe0 [ 265.598681][ T2120] should_failslab+0x9/0x20 [ 265.603172][ T2120] __kmalloc_track_caller+0x5f/0x350 [ 265.608435][ T2120] kstrdup_const+0x55/0x90 [ 265.612834][ T2120] __kernfs_new_node+0x99/0x6e0 [ 265.617679][ T2120] ? kernfs_new_node+0x170/0x170 [ 265.622599][ T2120] ? ptr_to_hashval+0x60/0x60 [ 265.627255][ T2120] ? irq_exit_rcu+0x9/0x10 [ 265.631666][ T2120] ? sysvec_apic_timer_interrupt+0xcb/0xe0 [ 265.637445][ T2120] ? snprintf+0xd6/0x120 [ 265.641664][ T2120] kernfs_new_node+0x97/0x170 [ 265.646317][ T2120] __kernfs_create_file+0x4a/0x270 [ 265.651402][ T2120] cgroup_addrm_files+0xab8/0xfe0 [ 265.656399][ T2120] ? cgroup_apply_control_enable+0x734/0x12e0 [ 265.662441][ T2120] ? cgroup_apply_control+0x93/0x710 [ 265.667702][ T2120] ? cgroup_subtree_control_write+0xd19/0x1310 [ 265.673830][ T2120] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 265.679956][ T2120] ? delete_node+0x759/0x7b0 [ 265.684528][ T2120] ? __kasan_check_read+0x11/0x20 [ 265.689535][ T2120] ? delete_node+0x759/0x7b0 [ 265.694108][ T2120] ? __kasan_check_write+0x14/0x20 [ 265.699195][ T2120] ? __radix_tree_replace+0x246/0x2e0 [ 265.704545][ T2120] ? idr_get_next+0x4b0/0x4b0 [ 265.709198][ T2120] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 265.714196][ T2120] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 265.719390][ T2120] css_populate_dir+0x137/0x370 [ 265.724217][ T2120] cgroup_apply_control_enable+0x629/0x12e0 [ 265.730172][ T2120] cgroup_apply_control+0x93/0x710 [ 265.735259][ T2120] ? css_next_child+0x160/0x160 [ 265.740096][ T2120] ? io_schedule+0x120/0x120 [ 265.744662][ T2120] ? kernfs_fop_write_iter+0x15e/0x410 [ 265.750105][ T2120] ? __kasan_check_write+0x14/0x20 [ 265.755190][ T2120] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 265.760450][ T2120] cgroup_subtree_control_write+0xd19/0x1310 [ 265.766408][ T2120] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.774707][ T2120] ? __kasan_check_write+0x14/0x20 [ 265.779795][ T2120] ? _copy_from_iter+0x3fb/0xd60 [ 265.784710][ T2120] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 265.790692][ T2120] cgroup_file_write+0x28e/0x590 [ 265.795613][ T2120] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.800710][ T2120] ? mutex_lock+0xa6/0x110 [ 265.805107][ T2120] ? mutex_trylock+0xb0/0xb0 [ 265.809681][ T2120] ? __kasan_check_write+0x14/0x20 [ 265.814773][ T2120] kernfs_fop_write_iter+0x2d0/0x410 [ 265.820032][ T2120] ? cgroup_seqfile_stop+0xc0/0xc0 [ 265.825116][ T2120] vfs_write+0xc1c/0xf40 [ 265.829337][ T2120] ? kernel_write+0x3c0/0x3c0 [ 265.833991][ T2120] ? mutex_trylock+0xb0/0xb0 [ 265.838556][ T2120] ? __fdget_pos+0x26d/0x310 [ 265.843118][ T2120] ? ksys_write+0x77/0x2c0 [ 265.847508][ T2120] ksys_write+0x198/0x2c0 [ 265.851818][ T2120] ? __ia32_sys_read+0x90/0x90 [ 265.856557][ T2120] ? debug_smp_processor_id+0x17/0x20 [ 265.861900][ T2120] __x64_sys_write+0x7b/0x90 [ 265.866465][ T2120] do_syscall_64+0x34/0x70 [ 265.870856][ T2120] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 265.876719][ T2120] RIP: 0033:0x7f2fc06ba0e9 [ 265.881115][ T2120] 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 [ 265.900731][ T2120] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 265.909123][ T2120] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 265.917073][ T2120] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 265.925018][ T2120] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 265.932965][ T2120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 265.940911][ T2120] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 265.948970][ T2120] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 265.956346][ T2120] !!!! control_disable control_disable ss name cpu [ 265.962943][ T2120] !!!! control_disable control_disable ss name memory [ 265.969731][ T2120] !!!! control_disable control_disable ss name pids [ 265.976389][ T2120] !!!! control_disable kill_css(ffff888115d58800) [ 265.982978][ T2120] !!!! IN kill css_get(ffff888115d58800) [ 265.988732][ T2120] !!!! IN kill css_get(ffff888115d58800) [ 265.994741][ T2120] !!!! control_disable control_disable ss name cpu [ 266.001259][ T2120] !!!! control_disable control_disable ss name memory [ 266.008085][ T2120] !!!! control_disable control_disable ss name pids [ 266.014759][ T2120] !!!! control_disable kill_css(ffff888115d5a800) [ 266.021312][ T2120] !!!! IN kill css_get(ffff888115d5a800) [ 266.027052][ C0] !!!! css_killed_ref_fn enqueue(ffff888115d58800) [ 266.033776][ T2120] !!!! IN kill css_get(ffff888115d5a800) [ 266.039482][ T2120] !!!! control_disable control_disable ss name cpu [ 266.045988][ T2120] !!!! control_disable control_disable ss name memory [ 266.052832][ T2120] !!!! control_disable control_disable ss name pids [ 266.059394][ T2120] !!!! control_disable kill_css(ffff888115d58400) [ 266.065898][ T2120] !!!! IN kill css_get(ffff888115d58400) [ 266.071639][ T2120] !!!! IN kill css_get(ffff888115d58400) [ 266.077439][ T2120] !!!! control_disable control_disable ss name cpu [ 266.083971][ T2120] !!!! control_disable control_disable ss name memory [ 266.090717][ T2120] !!!! control_disable control_disable ss name cpu [ 266.097232][ T2120] !!!! control_disable control_disable ss name memory [ 266.104005][ T2120] !!!! control_disable control_disable ss name cpu [ 266.110494][ T2120] !!!! control_disable control_disable ss name memory [ 266.117341][ T2120] !!!! control_disable control_disable ss name cpu [ 266.123860][ T2120] !!!! control_disable control_disable ss name memory [ 266.130615][ T2120] !!!! control_disable control_disable ss name pids [ 266.137238][ T2120] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 266.143782][ T378] !!!! css_release_work_fn(ffff888119b55c00) [ 266.150226][ T378] !!!! css_release_work_fn(ffff888119b56400) [ 266.156419][ T378] !!!! css_free_rwork_fn(ffff888116875000) [ 266.156485][ T5] !!!! css_killed_work_fn css_put(ffff888115d58800) [ 266.162407][ C0] !!!! css_killed_ref_fn enqueue(ffff888115d5a800) [ 266.166880][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.171631][ C0] !!!! css_killed_ref_fn enqueue(ffff888115d58400) [ 266.175911][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.185321][ T5] !!!! css_release enqueue(ffff888115d58800) [ 266.190311][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.196246][ T34] !!!! css_killed_work_fn css_put(ffff888115d5a800) [ 266.203294][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.212735][ T34] !!!! css_release enqueue(ffff888115d5a800) [ 266.216219][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.222876][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.228535][ T435] !!!! css_release_work_fn(ffff888119b53800) [ 266.236062][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.242485][ T19] !!!! css_free_rwork_fn(ffff888119b55c00) [ 266.249481][ T34] !!!! css_killed_work_fn css_put(ffff888115d58400) [ 266.255447][ T435] !!!! css_free_rwork_fn(ffff888119b56400) [ 266.261138][ T34] !!!! css_release enqueue(ffff888115d58400) [ 266.268783][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.274218][ T2113] !!!! css_create css ffff8881138d1400 !!!! [ 266.280013][ T435] !!!! css_free_rwork_fn(ffff888119b53800) [ 266.287444][ T2113] !!!! css_create css ffff8881138d2400 !!!! [ 266.304369][ T2113] !!!! css_create css ffff8881138d1c00 !!!! [ 266.310248][ T2113] FAULT_INJECTION: forcing a failure. [ 266.310248][ T2113] name failslab, interval 1, probability 0, space 0, times 0 [ 266.322992][ T2113] CPU: 0 PID: 2113 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 266.334596][ T2113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.344625][ T2113] Call Trace: [ 266.347889][ T2113] dump_stack_lvl+0x1e2/0x24b [ 266.352557][ T2113] ? bfq_pos_tree_add_move+0x43e/0x43e [ 266.358004][ T2113] ? serial8250_console_write+0xae0/0xe60 [ 266.363707][ T2113] ? record_print_text+0x266/0x420 [ 266.368793][ T2113] dump_stack+0x15/0x17 [ 266.372918][ T2113] should_fail+0x3c0/0x510 [ 266.377303][ T2113] ? __kernfs_new_node+0x99/0x6e0 [ 266.382297][ T2113] __should_failslab+0x9f/0xe0 [ 266.387029][ T2113] should_failslab+0x9/0x20 [ 266.391501][ T2113] __kmalloc_track_caller+0x5f/0x350 [ 266.396757][ T2113] kstrdup_const+0x55/0x90 [ 266.401139][ T2113] __kernfs_new_node+0x99/0x6e0 [ 266.405958][ T2113] ? stack_trace_save+0x1f0/0x1f0 [ 266.410952][ T2113] ? kernfs_new_node+0x170/0x170 [ 266.415857][ T2113] ? ptr_to_hashval+0x60/0x60 [ 266.420502][ T2113] ? snprintf+0xd6/0x120 [ 266.424712][ T2113] kernfs_new_node+0x97/0x170 [ 266.429356][ T2113] __kernfs_create_file+0x4a/0x270 [ 266.434437][ T2113] cgroup_addrm_files+0xab8/0xfe0 [ 266.439438][ T2113] ? cgroup_apply_control_enable+0x734/0x12e0 [ 266.445478][ T2113] ? cgroup_apply_control+0x93/0x710 [ 266.450733][ T2113] ? cgroup_subtree_control_write+0xd19/0x1310 [ 266.456856][ T2113] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 266.462983][ T2113] ? delete_node+0x759/0x7b0 [ 266.467543][ T2113] ? __kasan_check_read+0x11/0x20 [ 266.472534][ T2113] ? delete_node+0x759/0x7b0 [ 266.477444][ T2113] ? __kasan_check_write+0x14/0x20 [ 266.482527][ T2113] ? __radix_tree_replace+0x246/0x2e0 [ 266.487961][ T2113] ? idr_get_next+0x4b0/0x4b0 [ 266.492694][ T2113] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 266.497688][ T2113] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 266.502858][ T2113] css_populate_dir+0x137/0x370 [ 266.507676][ T2113] cgroup_apply_control_enable+0x629/0x12e0 [ 266.513550][ T2113] cgroup_apply_control+0x93/0x710 [ 266.518645][ T2113] ? css_next_child+0x160/0x160 [ 266.523551][ T2113] ? set_next_entity+0xc5/0x390 [ 266.528374][ T2113] ? io_schedule+0x120/0x120 [ 266.532933][ T2113] ? kernfs_fop_write_iter+0x15e/0x410 [ 266.538360][ T2113] ? __kasan_check_write+0x14/0x20 [ 266.543445][ T2113] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 266.548786][ T2113] cgroup_subtree_control_write+0xd19/0x1310 [ 266.554747][ T2113] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.560796][ T2113] ? __kasan_check_write+0x14/0x20 [ 266.565879][ T2113] ? _copy_from_iter+0x3fb/0xd60 [ 266.570784][ T2113] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 266.576732][ T2113] cgroup_file_write+0x28e/0x590 [ 266.581640][ T2113] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.586723][ T2113] ? mutex_lock+0xa6/0x110 [ 266.591108][ T2113] ? mutex_trylock+0xb0/0xb0 [ 266.595670][ T2113] ? __kasan_check_write+0x14/0x20 [ 266.600753][ T2113] kernfs_fop_write_iter+0x2d0/0x410 [ 266.606008][ T2113] ? cgroup_seqfile_stop+0xc0/0xc0 [ 266.611089][ T2113] vfs_write+0xc1c/0xf40 [ 266.615321][ T2113] ? kernel_write+0x3c0/0x3c0 [ 266.619968][ T2113] ? mutex_trylock+0xb0/0xb0 [ 266.624541][ T2113] ? __fdget_pos+0x26d/0x310 [ 266.629100][ T2113] ? ksys_write+0x77/0x2c0 [ 266.633495][ T2113] ksys_write+0x198/0x2c0 [ 266.637804][ T2113] ? __ia32_sys_read+0x90/0x90 [ 266.642550][ T2113] ? debug_smp_processor_id+0x17/0x20 [ 266.647893][ T2113] __x64_sys_write+0x7b/0x90 [ 266.652456][ T2113] do_syscall_64+0x34/0x70 [ 266.656842][ T2113] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 266.662797][ T2113] RIP: 0033:0x7fe9a8a760e9 [ 266.667187][ T2113] 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 [ 266.686885][ T2113] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 266.695414][ T2113] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 266.703385][ T2113] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 266.711363][ T2113] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 266.719430][ T2113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 266.727391][ T2113] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 266.735474][ T2113] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 266.742640][ T2113] !!!! control_disable control_disable ss name cpu [ 266.749218][ T2113] !!!! control_disable control_disable ss name memory [ 266.756193][ T2113] !!!! control_disable control_disable ss name pids [ 266.762812][ T2113] !!!! control_disable kill_css(ffff8881138d1400) [ 266.769340][ T2113] !!!! IN kill css_get(ffff8881138d1400) [ 266.775078][ T2113] !!!! IN kill css_get(ffff8881138d1400) [ 266.780780][ T2113] !!!! control_disable control_disable ss name cpu [ 266.787325][ T2113] !!!! control_disable control_disable ss name memory [ 266.794104][ T2113] !!!! control_disable control_disable ss name pids [ 266.801042][ T2113] !!!! control_disable kill_css(ffff8881138d2400) [ 266.807681][ T2113] !!!! IN kill css_get(ffff8881138d2400) [ 266.813435][ T2113] !!!! IN kill css_get(ffff8881138d2400) [ 266.819138][ T2113] !!!! control_disable control_disable ss name cpu [ 266.825689][ T2113] !!!! control_disable control_disable ss name memory [ 266.832463][ C0] !!!! css_killed_ref_fn enqueue(ffff8881138d1400) [ 266.839056][ T2113] !!!! control_disable control_disable ss name pids [ 266.845658][ T2113] !!!! control_disable kill_css(ffff8881138d1c00) [ 266.852255][ T2113] !!!! IN kill css_get(ffff8881138d1c00) [ 266.857970][ T2113] !!!! IN kill css_get(ffff8881138d1c00) [ 266.863760][ T2113] !!!! control_disable control_disable ss name cpu [ 266.870237][ T2113] !!!! control_disable control_disable ss name memory [ 266.877385][ T2113] !!!! control_disable control_disable ss name cpu [ 266.883943][ T2113] !!!! control_disable control_disable ss name memory [ 266.890674][ T2113] !!!! control_disable control_disable ss name cpu 2022/06/08 04:04:18 executed programs: 600 [ 266.897193][ T2113] !!!! control_disable control_disable ss name memory [ 266.903960][ C0] !!!! css_killed_ref_fn enqueue(ffff8881138d2400) [ 266.910553][ T2113] !!!! control_disable control_disable ss name cpu [ 266.917056][ T2113] !!!! control_disable control_disable ss name memory [ 266.923821][ C0] !!!! css_killed_ref_fn enqueue(ffff8881138d1c00) [ 266.930400][ T2113] !!!! control_disable control_disable ss name pids [ 266.937021][ T382] !!!! css_release_work_fn(ffff888115d58800) [ 266.937223][ T2113] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 266.943097][ T382] !!!! css_release_work_fn(ffff888115d5a800) [ 266.955678][ T382] !!!! css_release_work_fn(ffff888115d58400) [ 266.956950][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.965296][ T382] !!!! css_killed_work_fn css_put(ffff8881138d1400) [ 266.968802][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.975296][ T382] !!!! css_release enqueue(ffff8881138d1400) [ 266.975333][ T382] !!!! css_killed_work_fn css_put(ffff8881138d2400) [ 266.983547][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 266.988352][ T382] !!!! css_release enqueue(ffff8881138d2400) [ 266.995652][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.001908][ T382] !!!! css_killed_work_fn css_put(ffff8881138d1c00) [ 267.021442][ T382] !!!! css_release enqueue(ffff8881138d1c00) [ 267.027716][ T2096] !!!! css_create css ffff88810db95800 !!!! [ 267.033688][ T2096] !!!! css_create css ffff88810db97000 !!!! [ 267.039595][ T2096] !!!! css_create css ffff88810db95400 !!!! [ 267.045553][ T2096] FAULT_INJECTION: forcing a failure. [ 267.045553][ T2096] name failslab, interval 1, probability 0, space 0, times 0 [ 267.058134][ T2096] CPU: 0 PID: 2096 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 267.069728][ T2096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.079756][ T2096] Call Trace: [ 267.083017][ T2096] dump_stack_lvl+0x1e2/0x24b [ 267.087674][ T2096] ? bfq_pos_tree_add_move+0x43e/0x43e [ 267.093105][ T2096] dump_stack+0x15/0x17 [ 267.097245][ T2096] should_fail+0x3c0/0x510 [ 267.101638][ T2096] ? __kernfs_new_node+0x99/0x6e0 [ 267.106638][ T2096] __should_failslab+0x9f/0xe0 [ 267.111380][ T2096] should_failslab+0x9/0x20 [ 267.115856][ T2096] __kmalloc_track_caller+0x5f/0x350 [ 267.121110][ T2096] kstrdup_const+0x55/0x90 [ 267.125497][ T2096] __kernfs_new_node+0x99/0x6e0 [ 267.130322][ T2096] ? stack_trace_save+0x1f0/0x1f0 [ 267.135329][ T2096] ? kernfs_new_node+0x170/0x170 [ 267.140245][ T2096] ? ptr_to_hashval+0x60/0x60 [ 267.144891][ T2096] ? snprintf+0xd6/0x120 [ 267.149115][ T2096] kernfs_new_node+0x97/0x170 [ 267.153765][ T2096] __kernfs_create_file+0x4a/0x270 [ 267.158931][ T2096] cgroup_addrm_files+0xab8/0xfe0 [ 267.163926][ T2096] ? cgroup_apply_control_enable+0x734/0x12e0 [ 267.169963][ T2096] ? cgroup_apply_control+0x93/0x710 [ 267.175227][ T2096] ? cgroup_subtree_control_write+0xd19/0x1310 [ 267.181351][ T2096] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 267.187469][ T2096] ? delete_node+0x759/0x7b0 [ 267.192030][ T2096] ? __kasan_check_read+0x11/0x20 [ 267.197024][ T2096] ? delete_node+0x759/0x7b0 [ 267.201591][ T2096] ? __kasan_check_write+0x14/0x20 [ 267.206680][ T2096] ? __radix_tree_replace+0x246/0x2e0 [ 267.212024][ T2096] ? idr_get_next+0x4b0/0x4b0 [ 267.216673][ T2096] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 267.221668][ T2096] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 267.226839][ T2096] css_populate_dir+0x137/0x370 [ 267.231665][ T2096] cgroup_apply_control_enable+0x629/0x12e0 [ 267.237530][ T2096] cgroup_apply_control+0x93/0x710 [ 267.242611][ T2096] ? css_next_child+0x160/0x160 [ 267.247432][ T2096] ? dequeue_task_fair+0x7ad/0xb50 [ 267.252513][ T2096] ? io_schedule+0x120/0x120 [ 267.257071][ T2096] ? kernfs_fop_write_iter+0x15e/0x410 [ 267.262503][ T2096] ? __kasan_check_write+0x14/0x20 [ 267.267589][ T2096] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 267.272856][ T2096] cgroup_subtree_control_write+0xd19/0x1310 [ 267.278812][ T2096] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 267.284766][ T2096] ? __kasan_check_write+0x14/0x20 [ 267.289853][ T2096] ? _copy_from_iter+0x3fb/0xd60 [ 267.294765][ T2096] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 267.300717][ T2096] cgroup_file_write+0x28e/0x590 [ 267.305628][ T2096] ? cgroup_seqfile_stop+0xc0/0xc0 [ 267.310726][ T2096] ? mutex_lock+0xa6/0x110 [ 267.315115][ T2096] ? mutex_trylock+0xb0/0xb0 [ 267.319677][ T2096] ? __kasan_check_write+0x14/0x20 [ 267.324766][ T2096] kernfs_fop_write_iter+0x2d0/0x410 [ 267.330023][ T2096] ? cgroup_seqfile_stop+0xc0/0xc0 [ 267.335112][ T2096] vfs_write+0xc1c/0xf40 [ 267.339329][ T2096] ? kernel_write+0x3c0/0x3c0 [ 267.343981][ T2096] ? mutex_trylock+0xb0/0xb0 [ 267.348549][ T2096] ? __fdget_pos+0x26d/0x310 [ 267.353112][ T2096] ? ksys_write+0x77/0x2c0 [ 267.357502][ T2096] ksys_write+0x198/0x2c0 [ 267.361808][ T2096] ? __ia32_sys_read+0x90/0x90 [ 267.366545][ T2096] ? debug_smp_processor_id+0x17/0x20 [ 267.371895][ T2096] __x64_sys_write+0x7b/0x90 [ 267.376546][ T2096] do_syscall_64+0x34/0x70 [ 267.380936][ T2096] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 267.386800][ T2096] RIP: 0033:0x7f5d5b96a0e9 [ 267.391236][ T2096] 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 [ 267.410814][ T2096] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 267.419287][ T2096] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 267.427254][ T2096] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 267.435203][ T2096] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 267.443151][ T2096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 267.451098][ T2096] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 267.460255][ T2096] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 267.467461][ T2096] !!!! control_disable control_disable ss name cpu [ 267.474106][ T2096] !!!! control_disable control_disable ss name memory [ 267.480840][ T2096] !!!! control_disable control_disable ss name pids [ 267.487478][ T2096] !!!! control_disable kill_css(ffff88810db95800) [ 267.494008][ T2096] !!!! IN kill css_get(ffff88810db95800) [ 267.499695][ T2096] !!!! IN kill css_get(ffff88810db95800) [ 267.505692][ T2096] !!!! control_disable control_disable ss name cpu [ 267.512222][ T2096] !!!! control_disable control_disable ss name memory [ 267.518972][ T2096] !!!! control_disable control_disable ss name pids [ 267.525561][ T2096] !!!! control_disable kill_css(ffff88810db97000) [ 267.532081][ T2096] !!!! IN kill css_get(ffff88810db97000) [ 267.537768][ T2096] !!!! IN kill css_get(ffff88810db97000) [ 267.543490][ T2096] !!!! control_disable control_disable ss name cpu [ 267.549992][ T2096] !!!! control_disable control_disable ss name memory [ 267.556758][ T2096] !!!! control_disable control_disable ss name pids [ 267.563338][ T2096] !!!! control_disable kill_css(ffff88810db95400) [ 267.569812][ T2096] !!!! IN kill css_get(ffff88810db95400) [ 267.575675][ T2096] !!!! IN kill css_get(ffff88810db95400) [ 267.581402][ T2096] !!!! control_disable control_disable ss name cpu [ 267.587989][ T2096] !!!! control_disable control_disable ss name memory [ 267.594752][ T2096] !!!! control_disable control_disable ss name cpu [ 267.601230][ T2096] !!!! control_disable control_disable ss name memory [ 267.608176][ T2096] !!!! control_disable control_disable ss name cpu [ 267.614731][ T2096] !!!! control_disable control_disable ss name memory [ 267.621502][ T2096] !!!! control_disable control_disable ss name cpu [ 267.628024][ C0] !!!! css_killed_ref_fn enqueue(ffff88810db95800) [ 267.634662][ T2096] !!!! control_disable control_disable ss name memory [ 267.641487][ T2096] !!!! control_disable control_disable ss name pids [ 267.648586][ T382] !!!! css_release_work_fn(ffff8881138d1400) [ 267.648882][ T2096] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.654684][ C0] !!!! css_killed_ref_fn enqueue(ffff88810db97000) [ 267.667796][ C0] !!!! css_killed_ref_fn enqueue(ffff88810db95400) [ 267.675205][ T382] !!!! css_free_rwork_fn(ffff888115d58800) [ 267.681140][ T382] !!!! css_free_rwork_fn(ffff888115d5a800) [ 267.687218][ T382] !!!! css_release_work_fn(ffff8881138d2400) [ 267.691942][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.693585][ T382] !!!! css_free_rwork_fn(ffff888115d58400) [ 267.700541][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.706602][ T382] !!!! css_release_work_fn(ffff8881138d1c00) [ 267.714022][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.719539][ T382] !!!! css_killed_work_fn css_put(ffff88810db95800) [ 267.727830][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.733587][ T382] !!!! css_release enqueue(ffff88810db95800) [ 267.746060][ T382] !!!! css_killed_work_fn css_put(ffff88810db97000) [ 267.752792][ T382] !!!! css_release enqueue(ffff88810db97000) [ 267.758872][ T382] !!!! css_killed_work_fn css_put(ffff88810db95400) [ 267.765584][ T382] !!!! css_release enqueue(ffff88810db95400) [ 267.771719][ T382] !!!! css_free_rwork_fn(ffff8881138d1400) [ 267.771755][ T2134] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.777603][ T382] !!!! css_release_work_fn(ffff88810db95800) [ 267.777618][ T382] !!!! css_free_rwork_fn(ffff8881138d2400) [ 267.777626][ T382] !!!! css_release_work_fn(ffff88810db97000) [ 267.777639][ T382] !!!! css_free_rwork_fn(ffff8881138d1c00) [ 267.784699][ T2133] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.790419][ T382] !!!! css_release_work_fn(ffff88810db95400) [ 267.820896][ T2129] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.827523][ T2131] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.834053][ T2111] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 267.834080][ T2135] !!!! css_create css ffff88811ca5c400 !!!! [ 267.841293][ T382] !!!! css_free_rwork_fn(ffff88810db95800) [ 267.847869][ T2135] !!!! css_create css ffff88811ca5d000 !!!! [ 267.852523][ T382] !!!! css_free_rwork_fn(ffff88810db97000) [ 267.859910][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.864508][ T2135] !!!! css_create css ffff888110c3dc00 !!!! [ 267.875142][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.877380][ T382] !!!! css_free_rwork_fn(ffff88810db95400) [ 267.885031][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.890228][ T2135] FAULT_INJECTION: forcing a failure. [ 267.890228][ T2135] name failslab, interval 1, probability 0, space 0, times 0 [ 267.897175][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 267.909775][ T2135] CPU: 0 PID: 2135 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 267.928090][ T2135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.938138][ T2135] Call Trace: [ 267.941458][ T2135] dump_stack_lvl+0x1e2/0x24b [ 267.946130][ T2135] ? bfq_pos_tree_add_move+0x43e/0x43e [ 267.951569][ T2135] dump_stack+0x15/0x17 [ 267.955723][ T2135] should_fail+0x3c0/0x510 [ 267.960209][ T2135] ? __kernfs_new_node+0x99/0x6e0 [ 267.965221][ T2135] __should_failslab+0x9f/0xe0 [ 267.969967][ T2135] should_failslab+0x9/0x20 [ 267.974457][ T2135] __kmalloc_track_caller+0x5f/0x350 [ 267.979816][ T2135] kstrdup_const+0x55/0x90 [ 267.984216][ T2135] __kernfs_new_node+0x99/0x6e0 [ 267.989089][ T2135] ? stack_trace_save+0x1f0/0x1f0 [ 267.994094][ T2135] ? kernfs_new_node+0x170/0x170 [ 267.999121][ T2135] ? ptr_to_hashval+0x60/0x60 [ 268.003779][ T2135] ? snprintf+0xd6/0x120 [ 268.008088][ T2135] kernfs_new_node+0x97/0x170 [ 268.012767][ T2135] __kernfs_create_file+0x4a/0x270 [ 268.017923][ T2135] cgroup_addrm_files+0xab8/0xfe0 [ 268.022961][ T2135] ? cgroup_apply_control_enable+0x734/0x12e0 [ 268.029003][ T2135] ? cgroup_apply_control+0x93/0x710 [ 268.034272][ T2135] ? cgroup_subtree_control_write+0xd19/0x1310 [ 268.040407][ T2135] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 268.046537][ T2135] ? delete_node+0x759/0x7b0 [ 268.051106][ T2135] ? __kasan_check_read+0x11/0x20 [ 268.056106][ T2135] ? delete_node+0x759/0x7b0 [ 268.060700][ T2135] ? __kasan_check_write+0x14/0x20 [ 268.065809][ T2135] ? __radix_tree_replace+0x246/0x2e0 [ 268.071166][ T2135] ? idr_get_next+0x4b0/0x4b0 [ 268.075830][ T2135] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 268.080858][ T2135] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 268.086743][ T2135] css_populate_dir+0x137/0x370 [ 268.091664][ T2135] cgroup_apply_control_enable+0x629/0x12e0 [ 268.097554][ T2135] cgroup_apply_control+0x93/0x710 [ 268.102649][ T2135] ? css_next_child+0x160/0x160 [ 268.107492][ T2135] ? set_next_entity+0xc5/0x390 [ 268.112336][ T2135] ? io_schedule+0x120/0x120 [ 268.117019][ T2135] ? kernfs_fop_write_iter+0x15e/0x410 [ 268.122563][ T2135] ? __kasan_check_write+0x14/0x20 [ 268.128010][ T2135] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 268.133294][ T2135] cgroup_subtree_control_write+0xd19/0x1310 [ 268.139253][ T2135] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.145407][ T2135] ? __kasan_check_write+0x14/0x20 [ 268.150618][ T2135] ? _copy_from_iter+0x3fb/0xd60 [ 268.155621][ T2135] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.161588][ T2135] cgroup_file_write+0x28e/0x590 [ 268.166507][ T2135] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.171614][ T2135] ? mutex_lock+0xa6/0x110 [ 268.176009][ T2135] ? mutex_trylock+0xb0/0xb0 [ 268.180609][ T2135] ? __kasan_check_write+0x14/0x20 [ 268.185728][ T2135] kernfs_fop_write_iter+0x2d0/0x410 [ 268.190988][ T2135] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.196075][ T2135] vfs_write+0xc1c/0xf40 [ 268.200298][ T2135] ? kernel_write+0x3c0/0x3c0 [ 268.204965][ T2135] ? mutex_trylock+0xb0/0xb0 [ 268.209538][ T2135] ? __fdget_pos+0x26d/0x310 [ 268.214117][ T2135] ? ksys_write+0x77/0x2c0 [ 268.218507][ T2135] ksys_write+0x198/0x2c0 [ 268.222820][ T2135] ? __ia32_sys_read+0x90/0x90 [ 268.227569][ T2135] ? debug_smp_processor_id+0x17/0x20 [ 268.233014][ T2135] __x64_sys_write+0x7b/0x90 [ 268.237599][ T2135] do_syscall_64+0x34/0x70 [ 268.242003][ T2135] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 268.247877][ T2135] RIP: 0033:0x7f2fc06ba0e9 [ 268.252282][ T2135] 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 [ 268.271956][ T2135] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 268.280348][ T2135] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 268.288304][ T2135] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 268.296253][ T2135] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 268.304288][ T2135] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 268.312534][ T2135] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 268.320634][ T2135] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 268.327731][ T2135] !!!! control_disable control_disable ss name cpu [ 268.334385][ T2135] !!!! control_disable control_disable ss name memory [ 268.341175][ T2135] !!!! control_disable control_disable ss name pids [ 268.347839][ T2135] !!!! control_disable kill_css(ffff88811ca5c400) [ 268.354476][ T2135] !!!! IN kill css_get(ffff88811ca5c400) [ 268.360341][ T2135] !!!! IN kill css_get(ffff88811ca5c400) [ 268.366420][ T2135] !!!! control_disable control_disable ss name cpu [ 268.373020][ T2135] !!!! control_disable control_disable ss name memory [ 268.379993][ T2135] !!!! control_disable control_disable ss name pids [ 268.386689][ T2135] !!!! control_disable kill_css(ffff88811ca5d000) [ 268.393318][ C1] !!!! css_killed_ref_fn enqueue(ffff88811ca5c400) [ 268.399950][ T2135] !!!! IN kill css_get(ffff88811ca5d000) [ 268.405692][ T2135] !!!! IN kill css_get(ffff88811ca5d000) [ 268.411503][ T2135] !!!! control_disable control_disable ss name cpu [ 268.418124][ T2135] !!!! control_disable control_disable ss name memory [ 268.425050][ T2135] !!!! control_disable control_disable ss name pids [ 268.431682][ T2135] !!!! control_disable kill_css(ffff888110c3dc00) [ 268.438182][ T2135] !!!! IN kill css_get(ffff888110c3dc00) [ 268.443928][ T2135] !!!! IN kill css_get(ffff888110c3dc00) [ 268.449658][ T2135] !!!! control_disable control_disable ss name cpu [ 268.456158][ T2135] !!!! control_disable control_disable ss name memory [ 268.462936][ T2135] !!!! control_disable control_disable ss name cpu [ 268.469511][ T2135] !!!! control_disable control_disable ss name memory [ 268.476297][ T2135] !!!! control_disable control_disable ss name cpu [ 268.482960][ T2135] !!!! control_disable control_disable ss name memory [ 268.489857][ T2135] !!!! control_disable control_disable ss name cpu [ 268.496585][ T2135] !!!! control_disable control_disable ss name memory [ 268.503613][ T2135] !!!! control_disable control_disable ss name pids [ 268.510274][ T2135] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 268.516817][ T378] !!!! css_killed_work_fn css_put(ffff88811ca5c400) [ 268.523733][ C1] !!!! css_killed_ref_fn enqueue(ffff88811ca5d000) [ 268.523752][ C1] !!!! css_killed_ref_fn enqueue(ffff888110c3dc00) [ 268.536987][ T378] !!!! css_release enqueue(ffff88811ca5c400) [ 268.538175][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.546822][ T378] !!!! css_killed_work_fn css_put(ffff88811ca5d000) [ 268.550359][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.556880][ T378] !!!! css_release enqueue(ffff88811ca5d000) [ 268.565488][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.573558][ T378] !!!! css_killed_work_fn css_put(ffff888110c3dc00) [ 268.577136][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.583612][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.590424][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.597031][ T378] !!!! css_release enqueue(ffff888110c3dc00) [ 268.604420][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.611299][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 268.617436][ T2137] !!!! css_create css ffff888112e5dc00 !!!! [ 268.630278][ T2137] !!!! css_create css ffff888112e5e000 !!!! [ 268.636288][ T2137] !!!! css_create css ffff888112e5c000 !!!! [ 268.642376][ T2137] FAULT_INJECTION: forcing a failure. [ 268.642376][ T2137] name failslab, interval 1, probability 0, space 0, times 0 [ 268.655141][ T2137] CPU: 0 PID: 2137 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 268.666749][ T2137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.676884][ T2137] Call Trace: [ 268.680182][ T2137] dump_stack_lvl+0x1e2/0x24b [ 268.684937][ T2137] ? bfq_pos_tree_add_move+0x43e/0x43e [ 268.690388][ T2137] dump_stack+0x15/0x17 [ 268.694633][ T2137] should_fail+0x3c0/0x510 [ 268.699035][ T2137] ? __kernfs_new_node+0x99/0x6e0 [ 268.704039][ T2137] __should_failslab+0x9f/0xe0 [ 268.708806][ T2137] should_failslab+0x9/0x20 [ 268.713291][ T2137] __kmalloc_track_caller+0x5f/0x350 [ 268.718567][ T2137] kstrdup_const+0x55/0x90 [ 268.723141][ T2137] __kernfs_new_node+0x99/0x6e0 [ 268.727972][ T2137] ? stack_trace_save+0x1f0/0x1f0 [ 268.732979][ T2137] ? kernfs_new_node+0x170/0x170 [ 268.738018][ T2137] ? ptr_to_hashval+0x60/0x60 [ 268.742761][ T2137] ? snprintf+0xd6/0x120 [ 268.746980][ T2137] kernfs_new_node+0x97/0x170 [ 268.751637][ T2137] __kernfs_create_file+0x4a/0x270 [ 268.756740][ T2137] cgroup_addrm_files+0xab8/0xfe0 [ 268.761753][ T2137] ? cgroup_apply_control_enable+0x734/0x12e0 [ 268.767796][ T2137] ? cgroup_apply_control+0x93/0x710 [ 268.773072][ T2137] ? cgroup_subtree_control_write+0xd19/0x1310 [ 268.779233][ T2137] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 268.785372][ T2137] ? delete_node+0x759/0x7b0 [ 268.790429][ T2137] ? __kasan_check_read+0x11/0x20 [ 268.795539][ T2137] ? delete_node+0x759/0x7b0 [ 268.800245][ T2137] ? __kasan_check_write+0x14/0x20 [ 268.805436][ T2137] ? __radix_tree_replace+0x246/0x2e0 [ 268.811219][ T2137] ? idr_get_next+0x4b0/0x4b0 [ 268.815873][ T2137] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 268.821127][ T2137] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 268.826335][ T2137] css_populate_dir+0x137/0x370 [ 268.831272][ T2137] cgroup_apply_control_enable+0x629/0x12e0 [ 268.837165][ T2137] cgroup_apply_control+0x93/0x710 [ 268.842251][ T2137] ? css_next_child+0x160/0x160 [ 268.847093][ T2137] ? set_next_entity+0xc5/0x390 [ 268.851943][ T2137] ? io_schedule+0x120/0x120 [ 268.856512][ T2137] ? kernfs_fop_write_iter+0x15e/0x410 [ 268.861956][ T2137] ? __kasan_check_write+0x14/0x20 [ 268.867043][ T2137] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 268.872303][ T2137] cgroup_subtree_control_write+0xd19/0x1310 [ 268.878265][ T2137] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.884235][ T2137] ? __kasan_check_write+0x14/0x20 [ 268.889323][ T2137] ? _copy_from_iter+0x3fb/0xd60 [ 268.894260][ T2137] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 268.900216][ T2137] cgroup_file_write+0x28e/0x590 [ 268.905146][ T2137] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.910329][ T2137] ? mutex_lock+0xa6/0x110 [ 268.914725][ T2137] ? mutex_trylock+0xb0/0xb0 [ 268.919293][ T2137] ? __kasan_check_write+0x14/0x20 [ 268.924405][ T2137] kernfs_fop_write_iter+0x2d0/0x410 [ 268.929667][ T2137] ? cgroup_seqfile_stop+0xc0/0xc0 [ 268.934755][ T2137] vfs_write+0xc1c/0xf40 [ 268.939062][ T2137] ? kernel_write+0x3c0/0x3c0 [ 268.943717][ T2137] ? mutex_trylock+0xb0/0xb0 [ 268.948284][ T2137] ? __fdget_pos+0x26d/0x310 [ 268.952880][ T2137] ? ksys_write+0x77/0x2c0 [ 268.957275][ T2137] ksys_write+0x198/0x2c0 [ 268.961668][ T2137] ? __ia32_sys_read+0x90/0x90 [ 268.966408][ T2137] ? debug_smp_processor_id+0x17/0x20 [ 268.971754][ T2137] __x64_sys_write+0x7b/0x90 [ 268.976500][ T2137] do_syscall_64+0x34/0x70 [ 268.980901][ T2137] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 268.986769][ T2137] RIP: 0033:0x7fe9a8a760e9 [ 268.991168][ T2137] 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 [ 269.010833][ T2137] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 269.019222][ T2137] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 269.027182][ T2137] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 269.035148][ T2137] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 269.043095][ T2137] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 269.051045][ T2137] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 269.059187][ T2137] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 269.066403][ T2137] !!!! control_disable control_disable ss name cpu [ 269.073004][ T2137] !!!! control_disable control_disable ss name memory [ 269.079811][ T2137] !!!! control_disable control_disable ss name pids [ 269.086471][ T2137] !!!! control_disable kill_css(ffff888112e5dc00) [ 269.093092][ T2137] !!!! IN kill css_get(ffff888112e5dc00) [ 269.098838][ T2137] !!!! IN kill css_get(ffff888112e5dc00) [ 269.104626][ T2137] !!!! control_disable control_disable ss name cpu [ 269.111263][ T2137] !!!! control_disable control_disable ss name memory [ 269.118291][ T2137] !!!! control_disable control_disable ss name pids [ 269.124939][ T2137] !!!! control_disable kill_css(ffff888112e5e000) [ 269.131594][ T2137] !!!! IN kill css_get(ffff888112e5e000) [ 269.137373][ T2137] !!!! IN kill css_get(ffff888112e5e000) [ 269.141631][ C1] !!!! css_killed_ref_fn enqueue(ffff888112e5dc00) [ 269.143132][ T2137] !!!! control_disable control_disable ss name cpu [ 269.156206][ T2137] !!!! control_disable control_disable ss name memory [ 269.162982][ T2137] !!!! control_disable control_disable ss name pids [ 269.169557][ T2137] !!!! control_disable kill_css(ffff888112e5c000) [ 269.176086][ T2137] !!!! IN kill css_get(ffff888112e5c000) [ 269.181795][ T2137] !!!! IN kill css_get(ffff888112e5c000) [ 269.187490][ T2137] !!!! control_disable control_disable ss name cpu [ 269.193984][ T2137] !!!! control_disable control_disable ss name memory [ 269.200733][ T2137] !!!! control_disable control_disable ss name cpu [ 269.207257][ T2137] !!!! control_disable control_disable ss name memory [ 269.214022][ T2137] !!!! control_disable control_disable ss name cpu [ 269.220497][ T2137] !!!! control_disable control_disable ss name memory [ 269.227258][ T2137] !!!! control_disable control_disable ss name cpu [ 269.233766][ T2137] !!!! control_disable control_disable ss name memory [ 269.240525][ T2137] !!!! control_disable control_disable ss name pids [ 269.247165][ T2137] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 269.247408][ T378] !!!! css_release_work_fn(ffff88811ca5c400) [ 269.259841][ T378] !!!! css_release_work_fn(ffff88811ca5d000) [ 269.261267][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.270440][ T378] !!!! css_release_work_fn(ffff888110c3dc00) [ 269.272796][ C0] !!!! css_killed_ref_fn enqueue(ffff888112e5e000) [ 269.278842][ T378] !!!! css_killed_work_fn css_put(ffff888112e5dc00) [ 269.286785][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.292420][ T378] !!!! css_release enqueue(ffff888112e5dc00) [ 269.300365][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.305413][ C0] !!!! css_killed_ref_fn enqueue(ffff888112e5c000) [ 269.309156][ T19] !!!! css_free_rwork_fn(ffff88811ca5c400) [ 269.312406][ T382] !!!! css_killed_work_fn css_put(ffff888112e5e000) [ 269.319362][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.325388][ T382] !!!! css_release enqueue(ffff888112e5e000) [ 269.332265][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.338996][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.358324][ T5] !!!! css_killed_work_fn css_put(ffff888112e5c000) [ 269.359057][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.365242][ T5] !!!! css_release enqueue(ffff888112e5c000) [ 269.372143][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 269.378053][ T2138] !!!! css_create css ffff88811cbc7400 !!!! [ 269.390821][ T2138] !!!! css_create css ffff88811cd6ac00 !!!! [ 269.396836][ T2138] !!!! css_create css ffff88811cd68c00 !!!! [ 269.402776][ T2138] FAULT_INJECTION: forcing a failure. [ 269.402776][ T2138] name failslab, interval 1, probability 0, space 0, times 0 [ 269.415367][ T2138] CPU: 1 PID: 2138 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 269.428203][ T2138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.438259][ T2138] Call Trace: [ 269.441523][ T2138] dump_stack_lvl+0x1e2/0x24b [ 269.446189][ T2138] ? bfq_pos_tree_add_move+0x43e/0x43e [ 269.451626][ T2138] dump_stack+0x15/0x17 [ 269.455756][ T2138] should_fail+0x3c0/0x510 [ 269.460154][ T2138] ? __kernfs_new_node+0x99/0x6e0 [ 269.465151][ T2138] __should_failslab+0x9f/0xe0 [ 269.469884][ T2138] should_failslab+0x9/0x20 [ 269.474357][ T2138] __kmalloc_track_caller+0x5f/0x350 [ 269.479615][ T2138] kstrdup_const+0x55/0x90 [ 269.484001][ T2138] __kernfs_new_node+0x99/0x6e0 [ 269.488821][ T2138] ? stack_trace_save+0x1f0/0x1f0 [ 269.493816][ T2138] ? kernfs_new_node+0x170/0x170 [ 269.498728][ T2138] ? ptr_to_hashval+0x60/0x60 [ 269.503374][ T2138] ? snprintf+0xd6/0x120 [ 269.507602][ T2138] kernfs_new_node+0x97/0x170 [ 269.512252][ T2138] __kernfs_create_file+0x4a/0x270 [ 269.517333][ T2138] cgroup_addrm_files+0xab8/0xfe0 [ 269.522334][ T2138] ? cgroup_apply_control_enable+0x734/0x12e0 [ 269.528387][ T2138] ? cgroup_apply_control+0x93/0x710 [ 269.533646][ T2138] ? cgroup_subtree_control_write+0xd19/0x1310 [ 269.539778][ T2138] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 269.545921][ T2138] ? delete_node+0x759/0x7b0 [ 269.550491][ T2138] ? __kasan_check_read+0x11/0x20 [ 269.555591][ T2138] ? delete_node+0x759/0x7b0 [ 269.560160][ T2138] ? __kasan_check_write+0x14/0x20 [ 269.565770][ T2138] ? __radix_tree_replace+0x246/0x2e0 [ 269.571131][ T2138] ? idr_get_next+0x4b0/0x4b0 [ 269.575786][ T2138] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 269.580788][ T2138] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 269.585974][ T2138] css_populate_dir+0x137/0x370 [ 269.590805][ T2138] cgroup_apply_control_enable+0x629/0x12e0 [ 269.596674][ T2138] cgroup_apply_control+0x93/0x710 [ 269.601759][ T2138] ? css_next_child+0x160/0x160 [ 269.606583][ T2138] ? set_next_entity+0xc5/0x390 [ 269.611424][ T2138] ? io_schedule+0x120/0x120 [ 269.616001][ T2138] ? kernfs_fop_write_iter+0x15e/0x410 [ 269.621433][ T2138] ? __kasan_check_write+0x14/0x20 [ 269.626569][ T2138] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 269.632211][ T2138] cgroup_subtree_control_write+0xd19/0x1310 [ 269.638183][ T2138] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.644144][ T2138] ? __kasan_check_write+0x14/0x20 [ 269.649239][ T2138] ? _copy_from_iter+0x3fb/0xd60 [ 269.654170][ T2138] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 269.660128][ T2138] cgroup_file_write+0x28e/0x590 [ 269.665095][ T2138] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.670290][ T2138] ? mutex_lock+0xa6/0x110 [ 269.674701][ T2138] ? mutex_trylock+0xb0/0xb0 [ 269.679276][ T2138] ? __kasan_check_write+0x14/0x20 [ 269.684368][ T2138] kernfs_fop_write_iter+0x2d0/0x410 [ 269.689639][ T2138] ? cgroup_seqfile_stop+0xc0/0xc0 [ 269.694732][ T2138] vfs_write+0xc1c/0xf40 [ 269.698952][ T2138] ? kernel_write+0x3c0/0x3c0 [ 269.703611][ T2138] ? mutex_trylock+0xb0/0xb0 [ 269.708175][ T2138] ? __fdget_pos+0x26d/0x310 [ 269.712740][ T2138] ? ksys_write+0x77/0x2c0 [ 269.717128][ T2138] ksys_write+0x198/0x2c0 [ 269.721433][ T2138] ? __ia32_sys_read+0x90/0x90 [ 269.726256][ T2138] ? debug_smp_processor_id+0x17/0x20 [ 269.731610][ T2138] __x64_sys_write+0x7b/0x90 [ 269.736179][ T2138] do_syscall_64+0x34/0x70 [ 269.740570][ T2138] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 269.746440][ T2138] RIP: 0033:0x7ff3e27b70e9 [ 269.750837][ T2138] 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 [ 269.770417][ T2138] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 269.778833][ T2138] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 269.786794][ T2138] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 269.794738][ T2138] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 269.802688][ T2138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 269.810895][ T2138] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 269.819659][ T2138] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 269.826794][ T2138] !!!! control_disable control_disable ss name cpu [ 269.833604][ T2138] !!!! control_disable control_disable ss name memory [ 269.840398][ T2138] !!!! control_disable control_disable ss name pids [ 269.847194][ T2138] !!!! control_disable kill_css(ffff88811cbc7400) [ 269.853891][ T2138] !!!! IN kill css_get(ffff88811cbc7400) [ 269.859626][ T2138] !!!! IN kill css_get(ffff88811cbc7400) [ 269.865407][ T2138] !!!! control_disable control_disable ss name cpu [ 269.871983][ T2138] !!!! control_disable control_disable ss name memory [ 269.878867][ T2138] !!!! control_disable control_disable ss name pids [ 269.885648][ T2138] !!!! control_disable kill_css(ffff88811cd6ac00) [ 269.892355][ T2138] !!!! IN kill css_get(ffff88811cd6ac00) [ 269.898107][ T2138] !!!! IN kill css_get(ffff88811cd6ac00) [ 269.901649][ C1] !!!! css_killed_ref_fn enqueue(ffff88811cbc7400) [ 269.904225][ T2138] !!!! control_disable control_disable ss name cpu [ 269.917021][ T2138] !!!! control_disable control_disable ss name memory [ 269.923840][ T2138] !!!! control_disable control_disable ss name pids [ 269.930412][ T2138] !!!! control_disable kill_css(ffff88811cd68c00) [ 269.936925][ T2138] !!!! IN kill css_get(ffff88811cd68c00) [ 269.942673][ T2138] !!!! IN kill css_get(ffff88811cd68c00) [ 269.948490][ T2138] !!!! control_disable control_disable ss name cpu [ 269.955090][ T2138] !!!! control_disable control_disable ss name memory [ 269.962032][ T2138] !!!! control_disable control_disable ss name cpu [ 269.969027][ T2138] !!!! control_disable control_disable ss name memory [ 269.975872][ T2138] !!!! control_disable control_disable ss name cpu [ 269.982390][ T2138] !!!! control_disable control_disable ss name memory [ 269.989129][ T2138] !!!! control_disable control_disable ss name cpu [ 269.995650][ T2138] !!!! control_disable control_disable ss name memory [ 270.002412][ T2138] !!!! control_disable control_disable ss name pids [ 270.008987][ T2138] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 270.009025][ T19] !!!! css_release_work_fn(ffff888112e5dc00) [ 270.021674][ T382] !!!! css_release_work_fn(ffff888112e5e000) [ 270.021680][ T19] !!!! css_free_rwork_fn(ffff88811ca5d000) [ 270.021694][ T19] !!!! css_free_rwork_fn(ffff888110c3dc00) [ 270.028887][ T382] !!!! css_release_work_fn(ffff888112e5c000) [ 270.033635][ C0] !!!! css_killed_ref_fn enqueue(ffff88811cd6ac00) [ 270.046098][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.052775][ T382] !!!! css_killed_work_fn css_put(ffff88811cd6ac00) [ 270.063492][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.065957][ C0] !!!! css_killed_ref_fn enqueue(ffff88811cd68c00) [ 270.073609][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.079924][ T382] !!!! css_release enqueue(ffff88811cd6ac00) [ 270.087323][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.100022][ T19] !!!! css_killed_work_fn css_put(ffff88811cbc7400) [ 270.106746][ T19] !!!! css_release enqueue(ffff88811cbc7400) [ 270.112878][ T378] !!!! css_free_rwork_fn(ffff888112e5dc00) [ 270.112974][ T34] !!!! css_killed_work_fn css_put(ffff88811cd68c00) [ 270.125471][ T34] !!!! css_release enqueue(ffff88811cd68c00) [ 270.131554][ T34] !!!! css_release_work_fn(ffff88811cd6ac00) [ 270.137725][ T34] !!!! css_free_rwork_fn(ffff888112e5e000) [ 270.137926][ T2136] !!!! css_create css ffff88810e020400 !!!! [ 270.143666][ T34] !!!! css_free_rwork_fn(ffff888112e5c000) [ 270.149601][ T2136] !!!! css_create css ffff88810e021800 !!!! [ 270.161361][ T2136] !!!! css_create css ffff88810e021000 !!!! [ 270.167417][ T2136] FAULT_INJECTION: forcing a failure. [ 270.167417][ T2136] name failslab, interval 1, probability 0, space 0, times 0 [ 270.180062][ T2136] CPU: 0 PID: 2136 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 270.191701][ T2136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.202107][ T2136] Call Trace: [ 270.205381][ T2136] dump_stack_lvl+0x1e2/0x24b [ 270.210499][ T2136] ? bfq_pos_tree_add_move+0x43e/0x43e [ 270.216019][ T2136] ? find_next_bit+0xd6/0x120 [ 270.220770][ T2136] ? cpumask_next+0x11/0x30 [ 270.225259][ T2136] dump_stack+0x15/0x17 [ 270.229398][ T2136] should_fail+0x3c0/0x510 [ 270.233784][ T2136] ? percpu_ref_init+0xd0/0x330 [ 270.238698][ T2136] __should_failslab+0x9f/0xe0 [ 270.243448][ T2136] should_failslab+0x9/0x20 [ 270.247925][ T2136] kmem_cache_alloc_trace+0x3a/0x330 [ 270.253180][ T2136] percpu_ref_init+0xd0/0x330 [ 270.257829][ T2136] ? cgroup_setup_root+0xea0/0xea0 [ 270.263124][ T2136] cgroup_apply_control_enable+0x734/0x12e0 [ 270.268990][ T2136] cgroup_apply_control+0x93/0x710 [ 270.274070][ T2136] ? css_next_child+0x160/0x160 [ 270.279165][ T2136] ? set_next_entity+0xc5/0x390 [ 270.283986][ T2136] ? io_schedule+0x120/0x120 [ 270.288598][ T2136] ? kernfs_fop_write_iter+0x15e/0x410 [ 270.294041][ T2136] ? __kasan_check_write+0x14/0x20 [ 270.299124][ T2136] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 270.304378][ T2136] cgroup_subtree_control_write+0xd19/0x1310 [ 270.310338][ T2136] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 270.316286][ T2136] ? __kasan_check_write+0x14/0x20 [ 270.321366][ T2136] ? _copy_from_iter+0x3fb/0xd60 [ 270.326275][ T2136] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 270.332224][ T2136] cgroup_file_write+0x28e/0x590 [ 270.337129][ T2136] ? cgroup_seqfile_stop+0xc0/0xc0 [ 270.342208][ T2136] ? mutex_lock+0xa6/0x110 [ 270.346597][ T2136] ? mutex_trylock+0xb0/0xb0 [ 270.351161][ T2136] ? __kasan_check_write+0x14/0x20 [ 270.356242][ T2136] kernfs_fop_write_iter+0x2d0/0x410 [ 270.361506][ T2136] ? cgroup_seqfile_stop+0xc0/0xc0 [ 270.366606][ T2136] vfs_write+0xc1c/0xf40 [ 270.370820][ T2136] ? kernel_write+0x3c0/0x3c0 [ 270.375554][ T2136] ? mutex_trylock+0xb0/0xb0 [ 270.382117][ T2136] ? __fdget_pos+0x26d/0x310 [ 270.386677][ T2136] ? ksys_write+0x77/0x2c0 [ 270.391069][ T2136] ksys_write+0x198/0x2c0 [ 270.395370][ T2136] ? __ia32_sys_read+0x90/0x90 [ 270.400113][ T2136] ? debug_smp_processor_id+0x17/0x20 [ 270.405453][ T2136] __x64_sys_write+0x7b/0x90 [ 270.410013][ T2136] do_syscall_64+0x34/0x70 [ 270.414400][ T2136] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 270.420270][ T2136] RIP: 0033:0x7fccade130e9 [ 270.424661][ T2136] 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 [ 270.444323][ T2136] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 270.452705][ T2136] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 270.460649][ T2136] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 270.468606][ T2136] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 270.476551][ T2136] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 270.484496][ T2136] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 270.492863][ T2136] !!!! css_create rcu_enqueue(ffff88810e021000) !!!! [ 270.499581][ T2136] !!!! control_disable control_disable ss name cpu [ 270.506239][ T2136] !!!! control_disable control_disable ss name memory [ 270.513110][ T2136] !!!! control_disable control_disable ss name pids [ 270.519679][ T2136] !!!! control_disable kill_css(ffff88810e020400) [ 270.526251][ T2136] !!!! IN kill css_get(ffff88810e020400) [ 270.532048][ T2136] !!!! IN kill css_get(ffff88810e020400) [ 270.538025][ T2136] !!!! control_disable control_disable ss name cpu [ 270.544688][ T2136] !!!! control_disable control_disable ss name memory [ 270.551511][ T2136] !!!! control_disable control_disable ss name pids [ 270.558203][ T2136] !!!! control_disable kill_css(ffff88810e021800) [ 270.564860][ T2136] !!!! IN kill css_get(ffff88810e021800) [ 270.564933][ C1] !!!! css_killed_ref_fn enqueue(ffff88810e020400) [ 270.570597][ T2136] !!!! IN kill css_get(ffff88810e021800) [ 270.582886][ T2136] !!!! control_disable control_disable ss name cpu [ 270.589364][ T2136] !!!! control_disable control_disable ss name memory [ 270.596168][ T2136] !!!! control_disable control_disable ss name cpu [ 270.602673][ T2136] !!!! control_disable control_disable ss name memory [ 270.609419][ T2136] !!!! control_disable control_disable ss name cpu [ 270.615915][ T2136] !!!! control_disable control_disable ss name memory [ 270.622667][ T2136] !!!! control_disable control_disable ss name cpu [ 270.629134][ T2136] !!!! control_disable control_disable ss name memory [ 270.636156][ T2136] !!!! control_disable control_disable ss name cpu [ 270.642676][ T2136] !!!! control_disable control_disable ss name memory [ 270.649509][ T2136] !!!! control_disable control_disable ss name pids [ 270.656124][ T2136] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 270.656257][ T378] !!!! css_release_work_fn(ffff88811cbc7400) [ 270.665276][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e021800) [ 270.669267][ T19] !!!! css_killed_work_fn css_put(ffff88810e020400) [ 270.682790][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.690122][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.693665][ T19] !!!! css_release enqueue(ffff88810e020400) [ 270.698313][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.710378][ T34] !!!! css_release_work_fn(ffff88811cd68c00) [ 270.716503][ T34] !!!! css_free_rwork_fn(ffff88811cd6ac00) [ 270.717011][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 270.722429][ T34] !!!! css_free_rwork_fn(ffff88810e021000) [ 270.729436][ T19] !!!! css_release_work_fn(ffff88810e020400) [ 270.741342][ T19] !!!! css_free_rwork_fn(ffff88811cbc7400) [ 270.741355][ T34] !!!! css_killed_work_fn css_put(ffff88810e021800) [ 270.753939][ T34] !!!! css_release enqueue(ffff88810e021800) [ 270.759994][ T2112] !!!! css_create css ffff88811208ec00 !!!! [ 270.766040][ T2112] !!!! css_create css ffff88811208f800 !!!! [ 270.771679][ T19] !!!! css_free_rwork_fn(ffff88810e020400) [ 270.772061][ T34] !!!! css_free_rwork_fn(ffff88811cd68c00) [ 270.777856][ T2112] !!!! css_create css ffff88811eccac00 !!!! [ 270.790094][ T2112] FAULT_INJECTION: forcing a failure. [ 270.790094][ T2112] name failslab, interval 1, probability 0, space 0, times 0 [ 270.802683][ T2112] CPU: 1 PID: 2112 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 270.814302][ T2112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.824328][ T2112] Call Trace: [ 270.827603][ T2112] dump_stack_lvl+0x1e2/0x24b [ 270.832250][ T2112] ? bfq_pos_tree_add_move+0x43e/0x43e [ 270.837678][ T2112] ? serial8250_console_write+0xae0/0xe60 [ 270.843379][ T2112] ? record_print_text+0x266/0x420 [ 270.848481][ T2112] dump_stack+0x15/0x17 [ 270.852631][ T2112] should_fail+0x3c0/0x510 [ 270.857038][ T2112] ? __kernfs_new_node+0x99/0x6e0 [ 270.862036][ T2112] __should_failslab+0x9f/0xe0 [ 270.866789][ T2112] should_failslab+0x9/0x20 [ 270.871262][ T2112] __kmalloc_track_caller+0x5f/0x350 [ 270.876517][ T2112] kstrdup_const+0x55/0x90 [ 270.880903][ T2112] __kernfs_new_node+0x99/0x6e0 [ 270.885726][ T2112] ? stack_trace_save+0x1f0/0x1f0 [ 270.890721][ T2112] ? kernfs_new_node+0x170/0x170 [ 270.895632][ T2112] ? ptr_to_hashval+0x60/0x60 [ 270.900280][ T2112] ? snprintf+0xd6/0x120 [ 270.904493][ T2112] kernfs_new_node+0x97/0x170 [ 270.909156][ T2112] __kernfs_create_file+0x4a/0x270 [ 270.914239][ T2112] cgroup_addrm_files+0xab8/0xfe0 [ 270.919235][ T2112] ? cgroup_apply_control_enable+0x734/0x12e0 [ 270.925286][ T2112] ? cgroup_apply_control+0x93/0x710 [ 270.930541][ T2112] ? cgroup_subtree_control_write+0xd19/0x1310 [ 270.936674][ T2112] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 270.942804][ T2112] ? delete_node+0x759/0x7b0 [ 270.947375][ T2112] ? __kasan_check_read+0x11/0x20 [ 270.952368][ T2112] ? delete_node+0x759/0x7b0 [ 270.956937][ T2112] ? __kasan_check_write+0x14/0x20 [ 270.962036][ T2112] ? __radix_tree_replace+0x246/0x2e0 [ 270.967375][ T2112] ? idr_get_next+0x4b0/0x4b0 [ 270.972033][ T2112] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 270.977042][ T2112] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 270.982229][ T2112] css_populate_dir+0x137/0x370 [ 270.987065][ T2112] cgroup_apply_control_enable+0x629/0x12e0 [ 270.992943][ T2112] cgroup_apply_control+0x93/0x710 [ 270.998033][ T2112] ? css_next_child+0x160/0x160 [ 271.002878][ T2112] ? io_schedule+0x120/0x120 [ 271.007451][ T2112] ? kernfs_fop_write_iter+0x15e/0x410 [ 271.012894][ T2112] ? __kasan_check_write+0x14/0x20 [ 271.017984][ T2112] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 271.023254][ T2112] cgroup_subtree_control_write+0xd19/0x1310 [ 271.029221][ T2112] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.035195][ T2112] ? __kasan_check_write+0x14/0x20 [ 271.040289][ T2112] ? _copy_from_iter+0x3fb/0xd60 [ 271.045201][ T2112] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.051164][ T2112] cgroup_file_write+0x28e/0x590 [ 271.056084][ T2112] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.061175][ T2112] ? mutex_lock+0xa6/0x110 [ 271.065563][ T2112] ? mutex_trylock+0xb0/0xb0 [ 271.070127][ T2112] ? __kasan_check_write+0x14/0x20 [ 271.075225][ T2112] kernfs_fop_write_iter+0x2d0/0x410 [ 271.080745][ T2112] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.085837][ T2112] vfs_write+0xc1c/0xf40 [ 271.090078][ T2112] ? kernel_write+0x3c0/0x3c0 [ 271.094738][ T2112] ? mutex_trylock+0xb0/0xb0 [ 271.099310][ T2112] ? __fdget_pos+0x26d/0x310 [ 271.103884][ T2112] ? ksys_write+0x77/0x2c0 [ 271.108285][ T2112] ksys_write+0x198/0x2c0 [ 271.112603][ T2112] ? __ia32_sys_read+0x90/0x90 [ 271.117342][ T2112] ? debug_smp_processor_id+0x17/0x20 [ 271.122780][ T2112] __x64_sys_write+0x7b/0x90 [ 271.127357][ T2112] do_syscall_64+0x34/0x70 [ 271.131784][ T2112] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 271.137748][ T2112] RIP: 0033:0x7f75104510e9 [ 271.142160][ T2112] 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 [ 271.161847][ T2112] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 271.170342][ T2112] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 271.178294][ T2112] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 271.186239][ T2112] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 271.194185][ T2112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 271.202128][ T2112] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 271.210570][ T2112] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 271.217656][ T2112] !!!! control_disable control_disable ss name cpu [ 271.224221][ T2112] !!!! control_disable control_disable ss name memory [ 271.230971][ T2112] !!!! control_disable control_disable ss name pids [ 271.237589][ T2112] !!!! control_disable kill_css(ffff88811208ec00) [ 271.244111][ T2112] !!!! IN kill css_get(ffff88811208ec00) [ 271.249797][ T2112] !!!! IN kill css_get(ffff88811208ec00) [ 271.255545][ T2112] !!!! control_disable control_disable ss name cpu [ 271.262068][ T2112] !!!! control_disable control_disable ss name memory [ 271.268813][ T2112] !!!! control_disable control_disable ss name pids [ 271.275401][ T2112] !!!! control_disable kill_css(ffff88811208f800) [ 271.281937][ T2112] !!!! IN kill css_get(ffff88811208f800) [ 271.287651][ T2112] !!!! IN kill css_get(ffff88811208f800) [ 271.293511][ T2112] !!!! control_disable control_disable ss name cpu [ 271.300099][ T2112] !!!! control_disable control_disable ss name memory [ 271.306889][ T2112] !!!! control_disable control_disable ss name pids [ 271.313485][ T2112] !!!! control_disable kill_css(ffff88811eccac00) [ 271.319969][ T2112] !!!! IN kill css_get(ffff88811eccac00) [ 271.325711][ T2112] !!!! IN kill css_get(ffff88811eccac00) [ 271.331526][ T2112] !!!! control_disable control_disable ss name cpu [ 271.338054][ T2112] !!!! control_disable control_disable ss name memory [ 271.344819][ T2112] !!!! control_disable control_disable ss name cpu [ 271.351306][ T2112] !!!! control_disable control_disable ss name memory [ 271.358161][ T2112] !!!! control_disable control_disable ss name cpu [ 271.364712][ T2112] !!!! control_disable control_disable ss name memory [ 271.371448][ T2112] !!!! control_disable control_disable ss name cpu [ 271.377957][ T2112] !!!! control_disable control_disable ss name memory [ 271.384730][ T2112] !!!! control_disable control_disable ss name pids [ 271.391320][ T2112] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 271.391343][ T34] !!!! css_release_work_fn(ffff88810e021800) [ 271.407744][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 271.411644][ C1] !!!! css_killed_ref_fn enqueue(ffff88811208ec00) [ 271.415281][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 271.421234][ T19] !!!! css_killed_work_fn css_put(ffff88811208ec00) [ 271.428963][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 271.436786][ T19] !!!! css_release enqueue(ffff88811208ec00) [ 271.443408][ C1] !!!! css_killed_ref_fn enqueue(ffff88811208f800) [ 271.443423][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eccac00) [ 271.444204][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 271.449776][ T19] !!!! css_killed_work_fn css_put(ffff88811208f800) [ 271.459062][ T34] !!!! css_free_rwork_fn(ffff88810e021800) [ 271.463758][ T19] !!!! css_release enqueue(ffff88811208f800) [ 271.488685][ T19] !!!! css_killed_work_fn css_put(ffff88811eccac00) [ 271.495575][ T19] !!!! css_release enqueue(ffff88811eccac00) [ 271.501706][ T2160] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 271.508262][ T2157] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 271.514884][ T2155] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 271.521531][ T2154] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 271.521537][ T2159] !!!! css_create css ffff88811ca5e400 !!!! [ 271.521634][ T2159] !!!! css_create css ffff88811ca5f800 !!!! [ 271.540119][ T2159] !!!! css_create css ffff88811ca5fc00 !!!! [ 271.546067][ T2159] FAULT_INJECTION: forcing a failure. [ 271.546067][ T2159] name failslab, interval 1, probability 0, space 0, times 0 [ 271.558801][ T2159] CPU: 0 PID: 2159 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 271.570494][ T2159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.580543][ T2159] Call Trace: [ 271.583907][ T2159] dump_stack_lvl+0x1e2/0x24b [ 271.588562][ T2159] ? bfq_pos_tree_add_move+0x43e/0x43e [ 271.593995][ T2159] dump_stack+0x15/0x17 [ 271.598129][ T2159] should_fail+0x3c0/0x510 [ 271.602550][ T2159] ? __kernfs_new_node+0x99/0x6e0 [ 271.607614][ T2159] __should_failslab+0x9f/0xe0 [ 271.613059][ T2159] should_failslab+0x9/0x20 [ 271.617558][ T2159] __kmalloc_track_caller+0x5f/0x350 [ 271.622834][ T2159] kstrdup_const+0x55/0x90 [ 271.627263][ T2159] __kernfs_new_node+0x99/0x6e0 [ 271.632203][ T2159] ? stack_trace_save+0x1f0/0x1f0 [ 271.637225][ T2159] ? kernfs_new_node+0x170/0x170 [ 271.642245][ T2159] ? ptr_to_hashval+0x60/0x60 [ 271.646902][ T2159] ? snprintf+0xd6/0x120 [ 271.651212][ T2159] kernfs_new_node+0x97/0x170 [ 271.655874][ T2159] __kernfs_create_file+0x4a/0x270 [ 271.660965][ T2159] cgroup_addrm_files+0xab8/0xfe0 [ 271.666009][ T2159] ? cgroup_apply_control_enable+0x734/0x12e0 [ 271.672065][ T2159] ? cgroup_apply_control+0x93/0x710 [ 271.677326][ T2159] ? cgroup_subtree_control_write+0xd19/0x1310 [ 271.683474][ T2159] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 271.689627][ T2159] ? delete_node+0x759/0x7b0 [ 271.694209][ T2159] ? __kasan_check_read+0x11/0x20 [ 271.699207][ T2159] ? delete_node+0x759/0x7b0 [ 271.703778][ T2159] ? __kasan_check_write+0x14/0x20 [ 271.708883][ T2159] ? __radix_tree_replace+0x246/0x2e0 [ 271.714237][ T2159] ? idr_get_next+0x4b0/0x4b0 [ 271.718894][ T2159] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 271.723894][ T2159] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 271.729089][ T2159] css_populate_dir+0x137/0x370 [ 271.733936][ T2159] cgroup_apply_control_enable+0x629/0x12e0 [ 271.739814][ T2159] cgroup_apply_control+0x93/0x710 [ 271.745048][ T2159] ? css_next_child+0x160/0x160 [ 271.749889][ T2159] ? set_next_entity+0xc5/0x390 [ 271.754741][ T2159] ? io_schedule+0x120/0x120 [ 271.759317][ T2159] ? kernfs_fop_write_iter+0x15e/0x410 [ 271.764760][ T2159] ? __kasan_check_write+0x14/0x20 [ 271.769870][ T2159] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 271.775147][ T2159] cgroup_subtree_control_write+0xd19/0x1310 [ 271.781204][ T2159] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.787166][ T2159] ? __kasan_check_write+0x14/0x20 [ 271.792274][ T2159] ? _copy_from_iter+0x3fb/0xd60 [ 271.797193][ T2159] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 271.803163][ T2159] cgroup_file_write+0x28e/0x590 [ 271.808102][ T2159] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.813298][ T2159] ? mutex_lock+0xa6/0x110 [ 271.817693][ T2159] ? mutex_trylock+0xb0/0xb0 [ 271.822257][ T2159] ? __kasan_check_write+0x14/0x20 [ 271.827341][ T2159] kernfs_fop_write_iter+0x2d0/0x410 [ 271.832603][ T2159] ? cgroup_seqfile_stop+0xc0/0xc0 [ 271.837690][ T2159] vfs_write+0xc1c/0xf40 [ 271.841922][ T2159] ? kernel_write+0x3c0/0x3c0 [ 271.846598][ T2159] ? mutex_trylock+0xb0/0xb0 [ 271.851161][ T2159] ? __fdget_pos+0x26d/0x310 [ 271.855725][ T2159] ? ksys_write+0x77/0x2c0 [ 271.860112][ T2159] ksys_write+0x198/0x2c0 [ 271.864415][ T2159] ? __ia32_sys_read+0x90/0x90 [ 271.869150][ T2159] ? debug_smp_processor_id+0x17/0x20 [ 271.874514][ T2159] __x64_sys_write+0x7b/0x90 [ 271.879084][ T2159] do_syscall_64+0x34/0x70 [ 271.883476][ T2159] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 271.889360][ T2159] RIP: 0033:0x7ff3e27b70e9 [ 271.893768][ T2159] 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 [ 271.913444][ T2159] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 271.921836][ T2159] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 271.929783][ T2159] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 271.937734][ T2159] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 271.945681][ T2159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 271.953630][ T2159] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 271.962675][ T2159] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 271.969733][ T2159] !!!! control_disable control_disable ss name cpu [ 271.976264][ T2159] !!!! control_disable control_disable ss name memory [ 271.983062][ T2159] !!!! control_disable control_disable ss name pids [ 271.989675][ T2159] !!!! control_disable kill_css(ffff88811ca5e400) [ 271.996233][ T2159] !!!! IN kill css_get(ffff88811ca5e400) [ 272.001948][ T2159] !!!! IN kill css_get(ffff88811ca5e400) [ 272.007642][ T2159] !!!! control_disable control_disable ss name cpu [ 272.014148][ T2159] !!!! control_disable control_disable ss name memory [ 272.021954][ T2159] !!!! control_disable control_disable ss name pids [ 272.028526][ T2159] !!!! control_disable kill_css(ffff88811ca5f800) [ 272.035104][ T2159] !!!! IN kill css_get(ffff88811ca5f800) [ 272.040803][ T2159] !!!! IN kill css_get(ffff88811ca5f800) [ 272.046546][ T2159] !!!! control_disable control_disable ss name cpu [ 272.053043][ T2159] !!!! control_disable control_disable ss name memory [ 272.059778][ T2159] !!!! control_disable control_disable ss name pids [ 272.066456][ T2159] !!!! control_disable kill_css(ffff88811ca5fc00) [ 272.072967][ T2159] !!!! IN kill css_get(ffff88811ca5fc00) [ 272.078836][ T2159] !!!! IN kill css_get(ffff88811ca5fc00) [ 272.084758][ T2159] !!!! control_disable control_disable ss name cpu [ 272.091418][ T2159] !!!! control_disable control_disable ss name memory [ 272.098183][ T2159] !!!! control_disable control_disable ss name cpu [ 272.104768][ T2159] !!!! control_disable control_disable ss name memory [ 272.111527][ T2159] !!!! control_disable control_disable ss name cpu 2022/06/08 04:04:23 executed programs: 610 [ 272.118036][ T2159] !!!! control_disable control_disable ss name memory [ 272.124811][ T2159] !!!! control_disable control_disable ss name cpu [ 272.131461][ T2159] !!!! control_disable control_disable ss name memory [ 272.138236][ T2159] !!!! control_disable control_disable ss name pids [ 272.144845][ T2159] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 272.144882][ T19] !!!! css_release_work_fn(ffff88811208ec00) [ 272.151448][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca5e400) [ 272.158022][ T19] !!!! css_release_work_fn(ffff88811208f800) [ 272.164768][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca5f800) [ 272.171708][ T378] !!!! css_release_work_fn(ffff88811eccac00) [ 272.176715][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca5fc00) [ 272.190359][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.197347][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.204692][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.211683][ T378] !!!! css_free_rwork_fn(ffff88811208ec00) [ 272.211688][ T34] !!!! css_killed_work_fn css_put(ffff88811ca5e400) [ 272.211722][ T34] !!!! css_release enqueue(ffff88811ca5e400) [ 272.218184][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.224980][ T34] !!!! css_killed_work_fn css_put(ffff88811ca5f800) [ 272.232442][ T378] !!!! css_free_rwork_fn(ffff88811208f800) [ 272.238066][ T34] !!!! css_release enqueue(ffff88811ca5f800) [ 272.245809][ T19] !!!! css_free_rwork_fn(ffff88811eccac00) [ 272.251142][ T5] !!!! css_killed_work_fn css_put(ffff88811ca5fc00) [ 272.269121][ T5] !!!! css_release enqueue(ffff88811ca5fc00) [ 272.275306][ T2166] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 272.275354][ T2151] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 272.281970][ T2156] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 272.288899][ T2166] !!!! css_create css ffff8881112d8400 !!!! [ 272.301084][ T2166] !!!! css_create css ffff8881112d9400 !!!! [ 272.307111][ T2166] !!!! css_create css ffff8881112db000 !!!! [ 272.313024][ T2166] FAULT_INJECTION: forcing a failure. [ 272.313024][ T2166] name failslab, interval 1, probability 0, space 0, times 0 [ 272.325975][ T2166] CPU: 1 PID: 2166 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 272.337602][ T2166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.347747][ T2166] Call Trace: [ 272.351124][ T2166] dump_stack_lvl+0x1e2/0x24b [ 272.355794][ T2166] ? bfq_pos_tree_add_move+0x43e/0x43e [ 272.361231][ T2166] dump_stack+0x15/0x17 [ 272.365365][ T2166] should_fail+0x3c0/0x510 [ 272.369786][ T2166] ? __kernfs_new_node+0x99/0x6e0 [ 272.374815][ T2166] __should_failslab+0x9f/0xe0 [ 272.379736][ T2166] should_failslab+0x9/0x20 [ 272.384587][ T2166] __kmalloc_track_caller+0x5f/0x350 [ 272.389865][ T2166] kstrdup_const+0x55/0x90 [ 272.395067][ T2166] __kernfs_new_node+0x99/0x6e0 [ 272.400014][ T2166] ? stack_trace_save+0x1f0/0x1f0 [ 272.405018][ T2166] ? kernfs_new_node+0x170/0x170 [ 272.410281][ T2166] ? ptr_to_hashval+0x60/0x60 [ 272.414960][ T2166] ? snprintf+0xd6/0x120 [ 272.419185][ T2166] kernfs_new_node+0x97/0x170 [ 272.423841][ T2166] __kernfs_create_file+0x4a/0x270 [ 272.428936][ T2166] cgroup_addrm_files+0xab8/0xfe0 [ 272.434220][ T2166] ? cgroup_apply_control_enable+0x734/0x12e0 [ 272.440346][ T2166] ? cgroup_apply_control+0x93/0x710 [ 272.445621][ T2166] ? cgroup_subtree_control_write+0xd19/0x1310 [ 272.451836][ T2166] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 272.457961][ T2166] ? delete_node+0x759/0x7b0 [ 272.462524][ T2166] ? __kasan_check_read+0x11/0x20 [ 272.467542][ T2166] ? delete_node+0x759/0x7b0 [ 272.472121][ T2166] ? __kasan_check_write+0x14/0x20 [ 272.477230][ T2166] ? __radix_tree_replace+0x246/0x2e0 [ 272.482582][ T2166] ? idr_get_next+0x4b0/0x4b0 [ 272.487239][ T2166] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 272.492244][ T2166] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 272.497504][ T2166] css_populate_dir+0x137/0x370 [ 272.502350][ T2166] cgroup_apply_control_enable+0x629/0x12e0 [ 272.508411][ T2166] cgroup_apply_control+0x93/0x710 [ 272.513523][ T2166] ? css_next_child+0x160/0x160 [ 272.518390][ T2166] ? io_schedule+0x120/0x120 [ 272.522963][ T2166] ? kernfs_fop_write_iter+0x15e/0x410 [ 272.528409][ T2166] ? __kasan_check_write+0x14/0x20 [ 272.533522][ T2166] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 272.538793][ T2166] cgroup_subtree_control_write+0xd19/0x1310 [ 272.544875][ T2166] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 272.551092][ T2166] ? __kasan_check_write+0x14/0x20 [ 272.556184][ T2166] ? _copy_from_iter+0x3fb/0xd60 [ 272.561116][ T2166] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 272.567077][ T2166] cgroup_file_write+0x28e/0x590 [ 272.572106][ T2166] ? cgroup_seqfile_stop+0xc0/0xc0 [ 272.577197][ T2166] ? mutex_lock+0xa6/0x110 [ 272.581607][ T2166] ? mutex_trylock+0xb0/0xb0 [ 272.586242][ T2166] ? __kasan_check_write+0x14/0x20 [ 272.591426][ T2166] kernfs_fop_write_iter+0x2d0/0x410 [ 272.596820][ T2166] ? cgroup_seqfile_stop+0xc0/0xc0 [ 272.601930][ T2166] vfs_write+0xc1c/0xf40 [ 272.606161][ T2166] ? kernel_write+0x3c0/0x3c0 [ 272.610831][ T2166] ? mutex_trylock+0xb0/0xb0 [ 272.615536][ T2166] ? __fdget_pos+0x26d/0x310 [ 272.620105][ T2166] ? ksys_write+0x77/0x2c0 [ 272.624498][ T2166] ksys_write+0x198/0x2c0 [ 272.628806][ T2166] ? __ia32_sys_read+0x90/0x90 [ 272.633564][ T2166] ? debug_smp_processor_id+0x17/0x20 [ 272.638925][ T2166] __x64_sys_write+0x7b/0x90 [ 272.643518][ T2166] do_syscall_64+0x34/0x70 [ 272.647943][ T2166] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 272.653901][ T2166] RIP: 0033:0x7ff3e27b70e9 [ 272.658293][ T2166] 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 [ 272.677932][ T2166] RSP: 002b:00007ff3e272d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 272.686358][ T2166] RAX: ffffffffffffffda RBX: 00007ff3e28c9f60 RCX: 00007ff3e27b70e9 [ 272.694326][ T2166] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 272.702276][ T2166] RBP: 00007ff3e272d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 272.710236][ T2166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 272.718192][ T2166] R13: 00007ffc498a578f R14: 00007ff3e272d300 R15: 0000000000022000 [ 272.726523][ T2166] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 272.733676][ T2166] !!!! control_disable control_disable ss name cpu [ 272.740309][ T2166] !!!! control_disable control_disable ss name memory [ 272.747146][ T2166] !!!! control_disable control_disable ss name pids [ 272.753861][ T2166] !!!! control_disable kill_css(ffff8881112d8400) [ 272.760465][ T2166] !!!! IN kill css_get(ffff8881112d8400) [ 272.766271][ T2166] !!!! IN kill css_get(ffff8881112d8400) [ 272.772043][ T2166] !!!! control_disable control_disable ss name cpu [ 272.778636][ T2166] !!!! control_disable control_disable ss name memory [ 272.785473][ T2166] !!!! control_disable control_disable ss name pids [ 272.792093][ T2166] !!!! control_disable kill_css(ffff8881112d9400) [ 272.798653][ T2166] !!!! IN kill css_get(ffff8881112d9400) [ 272.804542][ T2166] !!!! IN kill css_get(ffff8881112d9400) [ 272.810295][ T2166] !!!! control_disable control_disable ss name cpu [ 272.816806][ C0] !!!! css_killed_ref_fn enqueue(ffff8881112d8400) [ 272.823436][ T2166] !!!! control_disable control_disable ss name memory [ 272.830365][ T2166] !!!! control_disable control_disable ss name pids [ 272.837065][ T2166] !!!! control_disable kill_css(ffff8881112db000) [ 272.843597][ T2166] !!!! IN kill css_get(ffff8881112db000) [ 272.849294][ T2166] !!!! IN kill css_get(ffff8881112db000) [ 272.855364][ T2166] !!!! control_disable control_disable ss name cpu [ 272.861888][ T2166] !!!! control_disable control_disable ss name memory [ 272.868620][ T2166] !!!! control_disable control_disable ss name cpu [ 272.875121][ T2166] !!!! control_disable control_disable ss name memory [ 272.882060][ T2166] !!!! control_disable control_disable ss name cpu [ 272.888548][ T2166] !!!! control_disable control_disable ss name memory [ 272.895419][ T2166] !!!! control_disable control_disable ss name cpu [ 272.901924][ C0] !!!! css_killed_ref_fn enqueue(ffff8881112d9400) [ 272.908518][ T2166] !!!! control_disable control_disable ss name memory [ 272.915381][ T2166] !!!! control_disable control_disable ss name pids [ 272.922141][ C0] !!!! css_killed_ref_fn enqueue(ffff8881112db000) [ 272.928766][ T34] !!!! css_release_work_fn(ffff88811ca5e400) [ 272.934853][ T2166] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 272.941398][ T34] !!!! css_release_work_fn(ffff88811ca5f800) [ 272.947493][ T34] !!!! css_release_work_fn(ffff88811ca5fc00) [ 272.954113][ T34] !!!! css_killed_work_fn css_put(ffff8881112d8400) [ 272.960868][ T34] !!!! css_release enqueue(ffff8881112d8400) [ 272.966086][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.967078][ T34] !!!! css_killed_work_fn css_put(ffff8881112d9400) [ 272.974271][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.980526][ T34] !!!! css_release enqueue(ffff8881112d9400) [ 272.987897][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 272.993487][ T34] !!!! css_killed_work_fn css_put(ffff8881112db000) [ 273.000998][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.007194][ T34] !!!! css_release enqueue(ffff8881112db000) [ 273.020043][ T2162] !!!! css_create css ffff888106fc0400 !!!! [ 273.026183][ T2162] !!!! css_create css ffff888106fc3c00 !!!! [ 273.032204][ T2162] !!!! css_create css ffff888106fc1c00 !!!! [ 273.038122][ T2162] FAULT_INJECTION: forcing a failure. [ 273.038122][ T2162] name failslab, interval 1, probability 0, space 0, times 0 [ 273.050775][ T2162] CPU: 1 PID: 2162 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 273.062737][ T2162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.072821][ T2162] Call Trace: [ 273.076268][ T2162] dump_stack_lvl+0x1e2/0x24b [ 273.080936][ T2162] ? bfq_pos_tree_add_move+0x43e/0x43e [ 273.086471][ T2162] dump_stack+0x15/0x17 [ 273.090686][ T2162] should_fail+0x3c0/0x510 [ 273.095103][ T2162] ? __kernfs_new_node+0x99/0x6e0 [ 273.100115][ T2162] __should_failslab+0x9f/0xe0 [ 273.104884][ T2162] should_failslab+0x9/0x20 [ 273.109378][ T2162] __kmalloc_track_caller+0x5f/0x350 [ 273.114653][ T2162] kstrdup_const+0x55/0x90 [ 273.119193][ T2162] __kernfs_new_node+0x99/0x6e0 [ 273.124040][ T2162] ? stack_trace_save+0x1f0/0x1f0 [ 273.129044][ T2162] ? kernfs_new_node+0x170/0x170 [ 273.133958][ T2162] ? ptr_to_hashval+0x60/0x60 [ 273.138610][ T2162] ? snprintf+0xd6/0x120 [ 273.142829][ T2162] kernfs_new_node+0x97/0x170 [ 273.147489][ T2162] __kernfs_create_file+0x4a/0x270 [ 273.152619][ T2162] cgroup_addrm_files+0xab8/0xfe0 [ 273.157618][ T2162] ? cgroup_apply_control_enable+0x734/0x12e0 [ 273.163767][ T2162] ? cgroup_apply_control+0x93/0x710 [ 273.169054][ T2162] ? cgroup_subtree_control_write+0xd19/0x1310 [ 273.175194][ T2162] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 273.181347][ T2162] ? delete_node+0x759/0x7b0 [ 273.185924][ T2162] ? __kasan_check_read+0x11/0x20 [ 273.190940][ T2162] ? delete_node+0x759/0x7b0 [ 273.195510][ T2162] ? __kasan_check_write+0x14/0x20 [ 273.200608][ T2162] ? __radix_tree_replace+0x246/0x2e0 [ 273.205983][ T2162] ? idr_get_next+0x4b0/0x4b0 [ 273.210834][ T2162] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 273.215838][ T2162] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 273.221041][ T2162] css_populate_dir+0x137/0x370 [ 273.225894][ T2162] cgroup_apply_control_enable+0x629/0x12e0 [ 273.231878][ T2162] cgroup_apply_control+0x93/0x710 [ 273.237069][ T2162] ? css_next_child+0x160/0x160 [ 273.242000][ T2162] ? set_next_entity+0xc5/0x390 [ 273.246842][ T2162] ? io_schedule+0x120/0x120 [ 273.251421][ T2162] ? kernfs_fop_write_iter+0x15e/0x410 [ 273.256863][ T2162] ? __kasan_check_write+0x14/0x20 [ 273.261958][ T2162] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 273.267330][ T2162] cgroup_subtree_control_write+0xd19/0x1310 [ 273.273296][ T2162] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 273.279285][ T2162] ? __kasan_check_write+0x14/0x20 [ 273.284401][ T2162] ? _copy_from_iter+0x3fb/0xd60 [ 273.289347][ T2162] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 273.295321][ T2162] cgroup_file_write+0x28e/0x590 [ 273.300375][ T2162] ? cgroup_seqfile_stop+0xc0/0xc0 [ 273.305591][ T2162] ? mutex_lock+0xa6/0x110 [ 273.310112][ T2162] ? mutex_trylock+0xb0/0xb0 [ 273.314994][ T2162] ? __kasan_check_write+0x14/0x20 [ 273.320113][ T2162] kernfs_fop_write_iter+0x2d0/0x410 [ 273.325666][ T2162] ? cgroup_seqfile_stop+0xc0/0xc0 [ 273.330768][ T2162] vfs_write+0xc1c/0xf40 [ 273.334995][ T2162] ? kernel_write+0x3c0/0x3c0 [ 273.339658][ T2162] ? mutex_trylock+0xb0/0xb0 [ 273.344235][ T2162] ? __fdget_pos+0x26d/0x310 [ 273.349008][ T2162] ? ksys_write+0x77/0x2c0 [ 273.353417][ T2162] ksys_write+0x198/0x2c0 [ 273.357729][ T2162] ? __ia32_sys_read+0x90/0x90 [ 273.362472][ T2162] ? debug_smp_processor_id+0x17/0x20 [ 273.367832][ T2162] __x64_sys_write+0x7b/0x90 [ 273.372406][ T2162] do_syscall_64+0x34/0x70 [ 273.376891][ T2162] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 273.382761][ T2162] RIP: 0033:0x7f5d5b96a0e9 [ 273.387191][ T2162] 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 [ 273.406961][ T2162] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 273.416060][ T2162] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 273.424038][ T2162] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 273.432016][ T2162] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 273.440061][ T2162] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 273.448016][ T2162] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 273.457271][ T2162] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 273.464369][ T2162] !!!! control_disable control_disable ss name cpu [ 273.470904][ T2162] !!!! control_disable control_disable ss name memory [ 273.477727][ T2162] !!!! control_disable control_disable ss name pids [ 273.484352][ T2162] !!!! control_disable kill_css(ffff888106fc0400) [ 273.490908][ T2162] !!!! IN kill css_get(ffff888106fc0400) [ 273.496686][ T2162] !!!! IN kill css_get(ffff888106fc0400) [ 273.502522][ T2162] !!!! control_disable control_disable ss name cpu [ 273.509045][ T2162] !!!! control_disable control_disable ss name memory [ 273.516100][ T2162] !!!! control_disable control_disable ss name pids [ 273.522876][ T2162] !!!! control_disable kill_css(ffff888106fc3c00) [ 273.529581][ T2162] !!!! IN kill css_get(ffff888106fc3c00) [ 273.535402][ T2162] !!!! IN kill css_get(ffff888106fc3c00) [ 273.541165][ T2162] !!!! control_disable control_disable ss name cpu [ 273.541194][ C1] !!!! css_killed_ref_fn enqueue(ffff888106fc0400) [ 273.548039][ T2162] !!!! control_disable control_disable ss name memory [ 273.561100][ T2162] !!!! control_disable control_disable ss name pids [ 273.568138][ T2162] !!!! control_disable kill_css(ffff888106fc1c00) [ 273.574904][ T2162] !!!! IN kill css_get(ffff888106fc1c00) [ 273.580908][ T2162] !!!! IN kill css_get(ffff888106fc1c00) [ 273.586684][ T2162] !!!! control_disable control_disable ss name cpu [ 273.593195][ T2162] !!!! control_disable control_disable ss name memory [ 273.600035][ T2162] !!!! control_disable control_disable ss name cpu [ 273.606560][ T2162] !!!! control_disable control_disable ss name memory [ 273.613417][ T2162] !!!! control_disable control_disable ss name cpu [ 273.619908][ T2162] !!!! control_disable control_disable ss name memory [ 273.626675][ T2162] !!!! control_disable control_disable ss name cpu [ 273.633175][ T2162] !!!! control_disable control_disable ss name memory [ 273.639906][ T2162] !!!! control_disable control_disable ss name pids [ 273.646640][ T2162] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 273.653170][ T34] !!!! css_release_work_fn(ffff8881112d8400) [ 273.658467][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.659300][ T34] !!!! css_release_work_fn(ffff8881112d9400) [ 273.666224][ C0] !!!! css_killed_ref_fn enqueue(ffff888106fc3c00) [ 273.666733][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.685852][ T19] !!!! css_killed_work_fn css_put(ffff888106fc0400) [ 273.685869][ C0] !!!! css_killed_ref_fn enqueue(ffff888106fc1c00) [ 273.692793][ T19] !!!! css_release enqueue(ffff888106fc0400) [ 273.700853][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.709727][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.713593][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.720334][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.727334][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.733733][ T435] !!!! css_release_work_fn(ffff888106fc0400) [ 273.741441][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 273.753811][ T34] !!!! css_release_work_fn(ffff8881112db000) [ 273.759962][ T34] !!!! css_free_rwork_fn(ffff88811ca5e400) [ 273.762711][ T435] !!!! css_free_rwork_fn(ffff888106fc0400) [ 273.766071][ T34] !!!! css_free_rwork_fn(ffff88811ca5f800) [ 273.777680][ T34] !!!! css_free_rwork_fn(ffff88811ca5fc00) [ 273.783591][ T34] !!!! css_killed_work_fn css_put(ffff888106fc3c00) [ 273.790326][ T34] !!!! css_release enqueue(ffff888106fc3c00) [ 273.796494][ T34] !!!! css_killed_work_fn css_put(ffff888106fc1c00) [ 273.804513][ T34] !!!! css_release enqueue(ffff888106fc1c00) [ 273.810686][ T2160] !!!! css_create css ffff88811eff0400 !!!! [ 273.816765][ T34] !!!! css_free_rwork_fn(ffff8881112d8400) [ 273.819162][ T2160] !!!! css_create css ffff88811005b000 !!!! [ 273.822665][ T34] !!!! css_free_rwork_fn(ffff8881112d9400) [ 273.834580][ T2160] !!!! css_create css ffff888110059400 !!!! [ 273.840477][ T2160] FAULT_INJECTION: forcing a failure. [ 273.840477][ T2160] name failslab, interval 1, probability 0, space 0, times 0 [ 273.853126][ T2160] CPU: 1 PID: 2160 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 273.864997][ T2160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.875202][ T2160] Call Trace: [ 273.878477][ T2160] dump_stack_lvl+0x1e2/0x24b [ 273.883139][ T2160] ? bfq_pos_tree_add_move+0x43e/0x43e [ 273.888595][ T2160] ? serial8250_console_write+0xae0/0xe60 [ 273.894303][ T2160] ? record_print_text+0x266/0x420 [ 273.899392][ T2160] dump_stack+0x15/0x17 [ 273.903522][ T2160] should_fail+0x3c0/0x510 [ 273.907927][ T2160] ? __kernfs_new_node+0x99/0x6e0 [ 273.912943][ T2160] __should_failslab+0x9f/0xe0 [ 273.917681][ T2160] should_failslab+0x9/0x20 [ 273.922184][ T2160] __kmalloc_track_caller+0x5f/0x350 [ 273.927454][ T2160] kstrdup_const+0x55/0x90 [ 273.931854][ T2160] __kernfs_new_node+0x99/0x6e0 [ 273.936684][ T2160] ? stack_trace_save+0x1f0/0x1f0 [ 273.941774][ T2160] ? kernfs_new_node+0x170/0x170 [ 273.946708][ T2160] ? ptr_to_hashval+0x60/0x60 [ 273.951365][ T2160] ? snprintf+0xd6/0x120 [ 273.955609][ T2160] kernfs_new_node+0x97/0x170 [ 273.960287][ T2160] __kernfs_create_file+0x4a/0x270 [ 273.965406][ T2160] cgroup_addrm_files+0xab8/0xfe0 [ 273.970411][ T2160] ? cgroup_apply_control_enable+0x734/0x12e0 [ 273.976454][ T2160] ? cgroup_apply_control+0x93/0x710 [ 273.981924][ T2160] ? cgroup_subtree_control_write+0xd19/0x1310 [ 273.988145][ T2160] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 273.994369][ T2160] ? delete_node+0x759/0x7b0 [ 273.998940][ T2160] ? __kasan_check_read+0x11/0x20 [ 274.003938][ T2160] ? delete_node+0x759/0x7b0 [ 274.008516][ T2160] ? __kasan_check_write+0x14/0x20 [ 274.013624][ T2160] ? __radix_tree_replace+0x246/0x2e0 [ 274.019005][ T2160] ? idr_get_next+0x4b0/0x4b0 [ 274.024133][ T2160] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 274.029136][ T2160] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 274.034448][ T2160] css_populate_dir+0x137/0x370 [ 274.039277][ T2160] cgroup_apply_control_enable+0x629/0x12e0 [ 274.045685][ T2160] cgroup_apply_control+0x93/0x710 [ 274.050859][ T2160] ? css_next_child+0x160/0x160 [ 274.055692][ T2160] ? io_schedule+0x120/0x120 [ 274.060259][ T2160] ? kernfs_fop_write_iter+0x15e/0x410 [ 274.065709][ T2160] ? __kasan_check_write+0x14/0x20 [ 274.070898][ T2160] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 274.076168][ T2160] cgroup_subtree_control_write+0xd19/0x1310 [ 274.082123][ T2160] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 274.088081][ T2160] ? __kasan_check_write+0x14/0x20 [ 274.093167][ T2160] ? _copy_from_iter+0x3fb/0xd60 [ 274.098092][ T2160] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 274.104068][ T2160] cgroup_file_write+0x28e/0x590 [ 274.108984][ T2160] ? cgroup_seqfile_stop+0xc0/0xc0 [ 274.114076][ T2160] ? mutex_lock+0xa6/0x110 [ 274.118469][ T2160] ? mutex_trylock+0xb0/0xb0 [ 274.123035][ T2160] ? __kasan_check_write+0x14/0x20 [ 274.128123][ T2160] kernfs_fop_write_iter+0x2d0/0x410 [ 274.133388][ T2160] ? cgroup_seqfile_stop+0xc0/0xc0 [ 274.138565][ T2160] vfs_write+0xc1c/0xf40 [ 274.142801][ T2160] ? kernel_write+0x3c0/0x3c0 [ 274.147458][ T2160] ? mutex_trylock+0xb0/0xb0 [ 274.152035][ T2160] ? __fdget_pos+0x26d/0x310 [ 274.156787][ T2160] ? ksys_write+0x77/0x2c0 [ 274.161540][ T2160] ksys_write+0x198/0x2c0 [ 274.166028][ T2160] ? __ia32_sys_read+0x90/0x90 [ 274.170858][ T2160] ? debug_smp_processor_id+0x17/0x20 [ 274.176305][ T2160] __x64_sys_write+0x7b/0x90 [ 274.180883][ T2160] do_syscall_64+0x34/0x70 [ 274.185363][ T2160] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 274.191255][ T2160] RIP: 0033:0x7f75104510e9 [ 274.195660][ T2160] 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 [ 274.215248][ T2160] RSP: 002b:00007f75103c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 274.223655][ T2160] RAX: ffffffffffffffda RBX: 00007f7510563f60 RCX: 00007f75104510e9 [ 274.231724][ T2160] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 274.239672][ T2160] RBP: 00007f75103c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.247634][ T2160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 274.255595][ T2160] R13: 00007ffd3f2651cf R14: 00007f75103c7300 R15: 0000000000022000 [ 274.263952][ T2160] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 274.271077][ T2160] !!!! control_disable control_disable ss name cpu [ 274.277750][ T2160] !!!! control_disable control_disable ss name memory [ 274.284798][ T2160] !!!! control_disable control_disable ss name pids [ 274.291479][ T2160] !!!! control_disable kill_css(ffff88811eff0400) [ 274.298390][ T2160] !!!! IN kill css_get(ffff88811eff0400) [ 274.304203][ T2160] !!!! IN kill css_get(ffff88811eff0400) [ 274.309962][ T2160] !!!! control_disable control_disable ss name cpu [ 274.316515][ T2160] !!!! control_disable control_disable ss name memory [ 274.323371][ T2160] !!!! control_disable control_disable ss name pids [ 274.330009][ T2160] !!!! control_disable kill_css(ffff88811005b000) [ 274.336538][ C0] !!!! css_killed_ref_fn enqueue(ffff88811eff0400) [ 274.336643][ T2160] !!!! IN kill css_get(ffff88811005b000) [ 274.348984][ T2160] !!!! IN kill css_get(ffff88811005b000) [ 274.354827][ T2160] !!!! control_disable control_disable ss name cpu [ 274.361314][ T2160] !!!! control_disable control_disable ss name memory [ 274.368081][ T2160] !!!! control_disable control_disable ss name pids [ 274.374709][ T2160] !!!! control_disable kill_css(ffff888110059400) [ 274.381389][ T2160] !!!! IN kill css_get(ffff888110059400) [ 274.387130][ T2160] !!!! IN kill css_get(ffff888110059400) [ 274.392892][ T2160] !!!! control_disable control_disable ss name cpu [ 274.399833][ T2160] !!!! control_disable control_disable ss name memory [ 274.406624][ T2160] !!!! control_disable control_disable ss name cpu [ 274.413152][ T2160] !!!! control_disable control_disable ss name memory [ 274.420163][ T2160] !!!! control_disable control_disable ss name cpu [ 274.426952][ T2160] !!!! control_disable control_disable ss name memory [ 274.434291][ T2160] !!!! control_disable control_disable ss name cpu [ 274.440787][ T2160] !!!! control_disable control_disable ss name memory [ 274.447561][ T2160] !!!! control_disable control_disable ss name pids [ 274.454160][ T2160] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 274.454227][ T34] !!!! css_release_work_fn(ffff888106fc3c00) [ 274.466804][ T34] !!!! css_free_rwork_fn(ffff8881112db000) [ 274.472735][ T34] !!!! css_release_work_fn(ffff888106fc1c00) [ 274.478791][ T34] !!!! css_killed_work_fn css_put(ffff88811eff0400) [ 274.482217][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 274.485514][ T34] !!!! css_release enqueue(ffff88811eff0400) [ 274.492360][ C1] !!!! css_killed_ref_fn enqueue(ffff88811005b000) [ 274.498558][ T382] !!!! css_release_work_fn(ffff88811eff0400) [ 274.505026][ C1] !!!! css_killed_ref_fn enqueue(ffff888110059400) [ 274.506327][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 274.511409][ T34] !!!! css_free_rwork_fn(ffff888106fc3c00) [ 274.517822][ T19] !!!! css_killed_work_fn css_put(ffff88811005b000) [ 274.525054][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 274.530806][ T19] !!!! css_release enqueue(ffff88811005b000) [ 274.537432][ T34] !!!! css_free_rwork_fn(ffff888106fc1c00) [ 274.544380][ T19] !!!! css_killed_work_fn css_put(ffff888110059400) [ 274.550874][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 274.556430][ T19] !!!! css_release enqueue(ffff888110059400) [ 274.562914][ T34] !!!! css_free_rwork_fn(ffff88811eff0400) [ 274.571911][ T2161] !!!! css_create css ffff88810fe66400 !!!! [ 274.587695][ T2161] !!!! css_create css ffff88810f911400 !!!! [ 274.593689][ T2161] !!!! css_create css ffff8881126f1400 !!!! [ 274.599977][ T2161] FAULT_INJECTION: forcing a failure. [ 274.599977][ T2161] name failslab, interval 1, probability 0, space 0, times 0 [ 274.612788][ T2161] CPU: 0 PID: 2161 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 274.624418][ T2161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.634584][ T2161] Call Trace: [ 274.637860][ T2161] dump_stack_lvl+0x1e2/0x24b [ 274.642507][ T2161] ? bfq_pos_tree_add_move+0x43e/0x43e [ 274.647936][ T2161] dump_stack+0x15/0x17 [ 274.652068][ T2161] should_fail+0x3c0/0x510 [ 274.656459][ T2161] ? __kernfs_new_node+0x99/0x6e0 [ 274.661495][ T2161] __should_failslab+0x9f/0xe0 [ 274.666232][ T2161] should_failslab+0x9/0x20 [ 274.670713][ T2161] __kmalloc_track_caller+0x5f/0x350 [ 274.675979][ T2161] kstrdup_const+0x55/0x90 [ 274.680363][ T2161] __kernfs_new_node+0x99/0x6e0 [ 274.685226][ T2161] ? stack_trace_save+0x1f0/0x1f0 [ 274.690226][ T2161] ? kernfs_new_node+0x170/0x170 [ 274.695136][ T2161] ? ptr_to_hashval+0x60/0x60 [ 274.699785][ T2161] ? snprintf+0xd6/0x120 [ 274.704001][ T2161] kernfs_new_node+0x97/0x170 [ 274.708649][ T2161] __kernfs_create_file+0x4a/0x270 [ 274.713734][ T2161] cgroup_addrm_files+0xab8/0xfe0 [ 274.718727][ T2161] ? cgroup_apply_control_enable+0x734/0x12e0 [ 274.724763][ T2161] ? cgroup_apply_control+0x93/0x710 [ 274.730020][ T2161] ? cgroup_subtree_control_write+0xd19/0x1310 [ 274.736144][ T2161] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 274.742265][ T2161] ? delete_node+0x759/0x7b0 [ 274.746830][ T2161] ? __kasan_check_read+0x11/0x20 [ 274.751822][ T2161] ? delete_node+0x759/0x7b0 [ 274.756381][ T2161] ? __kasan_check_write+0x14/0x20 [ 274.761459][ T2161] ? __radix_tree_replace+0x246/0x2e0 [ 274.766803][ T2161] ? idr_get_next+0x4b0/0x4b0 [ 274.771451][ T2161] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 274.776441][ T2161] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 274.781614][ T2161] css_populate_dir+0x137/0x370 [ 274.786437][ T2161] cgroup_apply_control_enable+0x629/0x12e0 [ 274.792301][ T2161] cgroup_apply_control+0x93/0x710 [ 274.797379][ T2161] ? css_next_child+0x160/0x160 [ 274.802220][ T2161] ? set_next_entity+0xc5/0x390 [ 274.807040][ T2161] ? io_schedule+0x120/0x120 [ 274.811828][ T2161] ? kernfs_fop_write_iter+0x15e/0x410 [ 274.817273][ T2161] ? __kasan_check_write+0x14/0x20 [ 274.822369][ T2161] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 274.827694][ T2161] cgroup_subtree_control_write+0xd19/0x1310 [ 274.833660][ T2161] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 274.839622][ T2161] ? __kasan_check_write+0x14/0x20 [ 274.844743][ T2161] ? _copy_from_iter+0x3fb/0xd60 [ 274.849658][ T2161] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 274.855631][ T2161] cgroup_file_write+0x28e/0x590 [ 274.860550][ T2161] ? cgroup_seqfile_stop+0xc0/0xc0 [ 274.865633][ T2161] ? mutex_lock+0xa6/0x110 [ 274.870032][ T2161] ? mutex_trylock+0xb0/0xb0 [ 274.874598][ T2161] ? __kasan_check_write+0x14/0x20 [ 274.879707][ T2161] kernfs_fop_write_iter+0x2d0/0x410 [ 274.884970][ T2161] ? cgroup_seqfile_stop+0xc0/0xc0 [ 274.890055][ T2161] vfs_write+0xc1c/0xf40 [ 274.894294][ T2161] ? kernel_write+0x3c0/0x3c0 [ 274.899057][ T2161] ? mutex_trylock+0xb0/0xb0 [ 274.903724][ T2161] ? __fdget_pos+0x26d/0x310 [ 274.908286][ T2161] ? ksys_write+0x77/0x2c0 [ 274.912670][ T2161] ksys_write+0x198/0x2c0 [ 274.916986][ T2161] ? __ia32_sys_read+0x90/0x90 [ 274.921719][ T2161] ? debug_smp_processor_id+0x17/0x20 [ 274.927058][ T2161] __x64_sys_write+0x7b/0x90 [ 274.931625][ T2161] do_syscall_64+0x34/0x70 [ 274.936014][ T2161] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 274.941875][ T2161] RIP: 0033:0x7fccade130e9 [ 274.946268][ T2161] 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 [ 274.965841][ T2161] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 274.974224][ T2161] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 274.982173][ T2161] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 274.990125][ T2161] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 274.998155][ T2161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 275.006097][ T2161] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 275.014453][ T2161] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 275.021558][ T2161] !!!! control_disable control_disable ss name cpu [ 275.028161][ T2161] !!!! control_disable control_disable ss name memory [ 275.035179][ T2161] !!!! control_disable control_disable ss name pids [ 275.041825][ T2161] !!!! control_disable kill_css(ffff88810fe66400) [ 275.048350][ T2161] !!!! IN kill css_get(ffff88810fe66400) [ 275.054080][ T2161] !!!! IN kill css_get(ffff88810fe66400) [ 275.059829][ T2161] !!!! control_disable control_disable ss name cpu [ 275.066336][ T2161] !!!! control_disable control_disable ss name memory [ 275.073095][ T2161] !!!! control_disable control_disable ss name pids [ 275.079654][ T2161] !!!! control_disable kill_css(ffff88810f911400) [ 275.086188][ T2161] !!!! IN kill css_get(ffff88810f911400) [ 275.091894][ T2161] !!!! IN kill css_get(ffff88810f911400) [ 275.097674][ T2161] !!!! control_disable control_disable ss name cpu [ 275.104346][ T2161] !!!! control_disable control_disable ss name memory [ 275.111113][ T2161] !!!! control_disable control_disable ss name pids [ 275.117713][ T2161] !!!! control_disable kill_css(ffff8881126f1400) [ 275.124229][ T2161] !!!! IN kill css_get(ffff8881126f1400) [ 275.129918][ T2161] !!!! IN kill css_get(ffff8881126f1400) [ 275.135750][ T2161] !!!! control_disable control_disable ss name cpu [ 275.142250][ T2161] !!!! control_disable control_disable ss name memory [ 275.148981][ T2161] !!!! control_disable control_disable ss name cpu [ 275.155493][ T2161] !!!! control_disable control_disable ss name memory [ 275.162252][ T2161] !!!! control_disable control_disable ss name cpu [ 275.168751][ T2161] !!!! control_disable control_disable ss name memory [ 275.175519][ T2161] !!!! control_disable control_disable ss name cpu [ 275.182010][ T2161] !!!! control_disable control_disable ss name memory [ 275.188744][ T2161] !!!! control_disable control_disable ss name pids [ 275.195355][ T2161] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 275.202260][ T19] !!!! css_release_work_fn(ffff88811005b000) [ 275.208576][ T19] !!!! css_release_work_fn(ffff888110059400) [ 275.215874][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.221649][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fe66400) [ 275.223131][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.229337][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f911400) [ 275.237055][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.242766][ C1] !!!! css_killed_ref_fn enqueue(ffff8881126f1400) [ 275.243956][ T19] !!!! css_killed_work_fn css_put(ffff88810fe66400) [ 275.250331][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.256373][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.276758][ T19] !!!! css_release enqueue(ffff88810fe66400) [ 275.280823][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.283098][ T19] !!!! css_killed_work_fn css_put(ffff88810f911400) [ 275.291165][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.296774][ T19] !!!! css_release enqueue(ffff88810f911400) [ 275.304793][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 275.309719][ T19] !!!! css_killed_work_fn css_put(ffff8881126f1400) [ 275.323192][ T19] !!!! css_release enqueue(ffff8881126f1400) [ 275.329261][ T19] !!!! css_free_rwork_fn(ffff88811005b000) [ 275.329686][ T2182] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 275.335397][ T2180] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 275.342292][ T2182] !!!! css_create css ffff88811ed00400 !!!! [ 275.354288][ T2182] !!!! css_create css ffff88811ed01400 !!!! [ 275.360197][ T2182] !!!! css_create css ffff88811ed01800 !!!! [ 275.366173][ T2182] FAULT_INJECTION: forcing a failure. [ 275.366173][ T2182] name failslab, interval 1, probability 0, space 0, times 0 [ 275.378776][ T2182] CPU: 0 PID: 2182 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 275.390381][ T2182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.400535][ T2182] Call Trace: [ 275.403815][ T2182] dump_stack_lvl+0x1e2/0x24b [ 275.408479][ T2182] ? bfq_pos_tree_add_move+0x43e/0x43e [ 275.413919][ T2182] dump_stack+0x15/0x17 [ 275.418050][ T2182] should_fail+0x3c0/0x510 [ 275.422452][ T2182] ? __kernfs_new_node+0x99/0x6e0 [ 275.427478][ T2182] __should_failslab+0x9f/0xe0 [ 275.432229][ T2182] should_failslab+0x9/0x20 [ 275.436733][ T2182] __kmalloc_track_caller+0x5f/0x350 [ 275.442022][ T2182] kstrdup_const+0x55/0x90 [ 275.446411][ T2182] __kernfs_new_node+0x99/0x6e0 [ 275.451241][ T2182] ? stack_trace_save+0x1f0/0x1f0 [ 275.456244][ T2182] ? kernfs_new_node+0x170/0x170 [ 275.461260][ T2182] ? ptr_to_hashval+0x60/0x60 [ 275.465913][ T2182] ? snprintf+0xd6/0x120 [ 275.470132][ T2182] kernfs_new_node+0x97/0x170 [ 275.474784][ T2182] __kernfs_create_file+0x4a/0x270 [ 275.479874][ T2182] cgroup_addrm_files+0xab8/0xfe0 [ 275.484873][ T2182] ? cgroup_apply_control_enable+0x734/0x12e0 [ 275.490921][ T2182] ? cgroup_apply_control+0x93/0x710 [ 275.496194][ T2182] ? cgroup_subtree_control_write+0xd19/0x1310 [ 275.502339][ T2182] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 275.508471][ T2182] ? delete_node+0x759/0x7b0 [ 275.513036][ T2182] ? __kasan_check_read+0x11/0x20 [ 275.518034][ T2182] ? delete_node+0x759/0x7b0 [ 275.522607][ T2182] ? __kasan_check_write+0x14/0x20 [ 275.527697][ T2182] ? __radix_tree_replace+0x246/0x2e0 [ 275.533050][ T2182] ? idr_get_next+0x4b0/0x4b0 [ 275.537708][ T2182] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 275.542708][ T2182] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 275.547879][ T2182] css_populate_dir+0x137/0x370 [ 275.552711][ T2182] cgroup_apply_control_enable+0x629/0x12e0 [ 275.558587][ T2182] cgroup_apply_control+0x93/0x710 [ 275.563678][ T2182] ? css_next_child+0x160/0x160 [ 275.568509][ T2182] ? io_schedule+0x120/0x120 [ 275.573070][ T2182] ? kernfs_fop_write_iter+0x15e/0x410 [ 275.578517][ T2182] ? __kasan_check_write+0x14/0x20 [ 275.583623][ T2182] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 275.588885][ T2182] cgroup_subtree_control_write+0xd19/0x1310 [ 275.594840][ T2182] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 275.600794][ T2182] ? __kasan_check_write+0x14/0x20 [ 275.605878][ T2182] ? _copy_from_iter+0x3fb/0xd60 [ 275.610794][ T2182] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 275.616749][ T2182] cgroup_file_write+0x28e/0x590 [ 275.621683][ T2182] ? cgroup_seqfile_stop+0xc0/0xc0 [ 275.626788][ T2182] ? mutex_lock+0xa6/0x110 [ 275.631179][ T2182] ? mutex_trylock+0xb0/0xb0 [ 275.635746][ T2182] ? __kasan_check_write+0x14/0x20 [ 275.640839][ T2182] kernfs_fop_write_iter+0x2d0/0x410 [ 275.646104][ T2182] ? cgroup_seqfile_stop+0xc0/0xc0 [ 275.651202][ T2182] vfs_write+0xc1c/0xf40 [ 275.655422][ T2182] ? kernel_write+0x3c0/0x3c0 [ 275.660076][ T2182] ? mutex_trylock+0xb0/0xb0 [ 275.664644][ T2182] ? __fdget_pos+0x26d/0x310 [ 275.669208][ T2182] ? ksys_write+0x77/0x2c0 [ 275.673656][ T2182] ksys_write+0x198/0x2c0 [ 275.677961][ T2182] ? __ia32_sys_read+0x90/0x90 [ 275.682697][ T2182] ? debug_smp_processor_id+0x17/0x20 [ 275.688040][ T2182] __x64_sys_write+0x7b/0x90 [ 275.692611][ T2182] do_syscall_64+0x34/0x70 [ 275.697018][ T2182] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 275.702971][ T2182] RIP: 0033:0x7fccade130e9 [ 275.707433][ T2182] 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 [ 275.727017][ T2182] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 275.735721][ T2182] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 275.743683][ T2182] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 275.751669][ T2182] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 275.759668][ T2182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 275.767655][ T2182] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 275.775947][ T2182] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 275.783036][ T2182] !!!! control_disable control_disable ss name cpu [ 275.789588][ T2182] !!!! control_disable control_disable ss name memory [ 275.796386][ T2182] !!!! control_disable control_disable ss name pids [ 275.803091][ T2182] !!!! control_disable kill_css(ffff88811ed00400) [ 275.809659][ T2182] !!!! IN kill css_get(ffff88811ed00400) [ 275.815433][ T2182] !!!! IN kill css_get(ffff88811ed00400) [ 275.821173][ T2182] !!!! control_disable control_disable ss name cpu [ 275.827704][ T2182] !!!! control_disable control_disable ss name memory [ 275.834609][ T2182] !!!! control_disable control_disable ss name pids [ 275.841206][ T2182] !!!! control_disable kill_css(ffff88811ed01400) [ 275.847816][ T2182] !!!! IN kill css_get(ffff88811ed01400) [ 275.853570][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed00400) [ 275.860180][ T2182] !!!! IN kill css_get(ffff88811ed01400) [ 275.865907][ T2182] !!!! control_disable control_disable ss name cpu [ 275.872411][ T2182] !!!! control_disable control_disable ss name memory [ 275.879143][ T2182] !!!! control_disable control_disable ss name pids [ 275.885733][ T2182] !!!! control_disable kill_css(ffff88811ed01800) [ 275.892232][ T2182] !!!! IN kill css_get(ffff88811ed01800) [ 275.897930][ T2182] !!!! IN kill css_get(ffff88811ed01800) [ 275.903657][ T2182] !!!! control_disable control_disable ss name cpu [ 275.910150][ T2182] !!!! control_disable control_disable ss name memory [ 275.916913][ T2182] !!!! control_disable control_disable ss name cpu [ 275.923534][ T2182] !!!! control_disable control_disable ss name memory [ 275.930303][ T2182] !!!! control_disable control_disable ss name cpu [ 275.936813][ T2182] !!!! control_disable control_disable ss name memory [ 275.943593][ T2182] !!!! control_disable control_disable ss name cpu [ 275.950072][ T2182] !!!! control_disable control_disable ss name memory [ 275.956852][ T2182] !!!! control_disable control_disable ss name pids [ 275.963502][ T2182] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 275.963567][ T19] !!!! css_release_work_fn(ffff88810fe66400) [ 275.972771][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed01400) [ 275.976743][ T449] !!!! css_free_rwork_fn(ffff888110059400) [ 275.982699][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed01800) [ 275.988695][ T449] !!!! css_release_work_fn(ffff88810f911400) [ 276.002316][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.009374][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.016319][ T34] !!!! css_killed_work_fn css_put(ffff88811ed00400) [ 276.016556][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.023237][ T34] !!!! css_release enqueue(ffff88811ed00400) [ 276.030414][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.036232][ T34] !!!! css_killed_work_fn css_put(ffff88811ed01400) [ 276.049454][ T34] !!!! css_release enqueue(ffff88811ed01400) [ 276.055742][ T449] !!!! css_release_work_fn(ffff8881126f1400) [ 276.061929][ T449] !!!! css_free_rwork_fn(ffff88810fe66400) [ 276.062102][ T34] !!!! css_killed_work_fn css_put(ffff88811ed01800) [ 276.068002][ T449] !!!! css_free_rwork_fn(ffff88810f911400) [ 276.074623][ T34] !!!! css_release enqueue(ffff88811ed01800) [ 276.087794][ T2185] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 276.088260][ T2171] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 276.094330][ T2164] !!!! css_create css ffff888114843c00 !!!! [ 276.094392][ T2164] !!!! css_create css ffff888114843800 !!!! [ 276.101822][ T449] !!!! css_free_rwork_fn(ffff8881126f1400) [ 276.107563][ T2164] !!!! css_create css ffff888114842400 !!!! [ 276.125283][ T2164] FAULT_INJECTION: forcing a failure. [ 276.125283][ T2164] name failslab, interval 1, probability 0, space 0, times 0 [ 276.137980][ T2164] CPU: 0 PID: 2164 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 276.149596][ T2164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.159645][ T2164] Call Trace: [ 276.162936][ T2164] dump_stack_lvl+0x1e2/0x24b [ 276.167597][ T2164] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.173120][ T2164] dump_stack+0x15/0x17 [ 276.177277][ T2164] should_fail+0x3c0/0x510 [ 276.181684][ T2164] ? __kernfs_new_node+0x99/0x6e0 [ 276.186684][ T2164] __should_failslab+0x9f/0xe0 [ 276.191420][ T2164] should_failslab+0x9/0x20 [ 276.195922][ T2164] __kmalloc_track_caller+0x5f/0x350 [ 276.201192][ T2164] kstrdup_const+0x55/0x90 [ 276.205582][ T2164] __kernfs_new_node+0x99/0x6e0 [ 276.210418][ T2164] ? stack_trace_save+0x1f0/0x1f0 [ 276.215415][ T2164] ? kernfs_new_node+0x170/0x170 [ 276.220337][ T2164] ? ptr_to_hashval+0x60/0x60 [ 276.224995][ T2164] ? snprintf+0xd6/0x120 [ 276.229222][ T2164] kernfs_new_node+0x97/0x170 [ 276.233883][ T2164] __kernfs_create_file+0x4a/0x270 [ 276.238977][ T2164] cgroup_addrm_files+0xab8/0xfe0 [ 276.243987][ T2164] ? cgroup_apply_control_enable+0x734/0x12e0 [ 276.250051][ T2164] ? cgroup_apply_control+0x93/0x710 [ 276.255313][ T2164] ? cgroup_subtree_control_write+0xd19/0x1310 [ 276.261447][ T2164] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 276.267578][ T2164] ? delete_node+0x759/0x7b0 [ 276.272165][ T2164] ? __kasan_check_read+0x11/0x20 [ 276.277280][ T2164] ? delete_node+0x759/0x7b0 [ 276.281866][ T2164] ? __kasan_check_write+0x14/0x20 [ 276.286965][ T2164] ? __radix_tree_replace+0x246/0x2e0 [ 276.292323][ T2164] ? idr_get_next+0x4b0/0x4b0 [ 276.296978][ T2164] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 276.302064][ T2164] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 276.307238][ T2164] css_populate_dir+0x137/0x370 [ 276.312066][ T2164] cgroup_apply_control_enable+0x629/0x12e0 [ 276.317964][ T2164] cgroup_apply_control+0x93/0x710 [ 276.323063][ T2164] ? css_next_child+0x160/0x160 [ 276.327898][ T2164] ? dequeue_task_fair+0x7ad/0xb50 [ 276.332988][ T2164] ? io_schedule+0x120/0x120 [ 276.337571][ T2164] ? kernfs_fop_write_iter+0x15e/0x410 [ 276.343121][ T2164] ? __kasan_check_write+0x14/0x20 [ 276.348227][ T2164] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 276.353628][ T2164] cgroup_subtree_control_write+0xd19/0x1310 [ 276.359598][ T2164] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 276.365556][ T2164] ? __kasan_check_write+0x14/0x20 [ 276.370654][ T2164] ? _copy_from_iter+0x3fb/0xd60 [ 276.375570][ T2164] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 276.381529][ T2164] cgroup_file_write+0x28e/0x590 [ 276.386452][ T2164] ? cgroup_seqfile_stop+0xc0/0xc0 [ 276.391538][ T2164] ? mutex_lock+0xa6/0x110 [ 276.395928][ T2164] ? mutex_trylock+0xb0/0xb0 [ 276.400509][ T2164] ? __kasan_check_write+0x14/0x20 [ 276.405644][ T2164] kernfs_fop_write_iter+0x2d0/0x410 [ 276.410921][ T2164] ? cgroup_seqfile_stop+0xc0/0xc0 [ 276.416013][ T2164] vfs_write+0xc1c/0xf40 [ 276.420235][ T2164] ? kernel_write+0x3c0/0x3c0 [ 276.424895][ T2164] ? mutex_trylock+0xb0/0xb0 [ 276.429465][ T2164] ? __fdget_pos+0x26d/0x310 [ 276.434036][ T2164] ? ksys_write+0x77/0x2c0 [ 276.438430][ T2164] ksys_write+0x198/0x2c0 [ 276.442755][ T2164] ? __ia32_sys_read+0x90/0x90 [ 276.447515][ T2164] ? debug_smp_processor_id+0x17/0x20 [ 276.452876][ T2164] __x64_sys_write+0x7b/0x90 [ 276.457460][ T2164] do_syscall_64+0x34/0x70 [ 276.461857][ T2164] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 276.467739][ T2164] RIP: 0033:0x7f2fc06ba0e9 [ 276.472133][ T2164] 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 [ 276.491729][ T2164] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 276.500118][ T2164] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 276.508075][ T2164] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 276.516028][ T2164] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 276.523985][ T2164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 276.532026][ T2164] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 276.540094][ T2164] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 276.547262][ T2164] !!!! control_disable control_disable ss name cpu [ 276.553806][ T2164] !!!! control_disable control_disable ss name memory [ 276.560574][ T2164] !!!! control_disable control_disable ss name pids [ 276.567415][ T2164] !!!! control_disable kill_css(ffff888114843c00) [ 276.574072][ T2164] !!!! IN kill css_get(ffff888114843c00) [ 276.579809][ T2164] !!!! IN kill css_get(ffff888114843c00) [ 276.585580][ T2164] !!!! control_disable control_disable ss name cpu [ 276.592122][ T2164] !!!! control_disable control_disable ss name memory [ 276.598893][ T2164] !!!! control_disable control_disable ss name pids [ 276.605525][ T2164] !!!! control_disable kill_css(ffff888114843800) [ 276.612228][ T2164] !!!! IN kill css_get(ffff888114843800) [ 276.617964][ T2164] !!!! IN kill css_get(ffff888114843800) [ 276.623716][ C0] !!!! css_killed_ref_fn enqueue(ffff888114843c00) [ 276.630412][ T2164] !!!! control_disable control_disable ss name cpu [ 276.636930][ T2164] !!!! control_disable control_disable ss name memory [ 276.643711][ T2164] !!!! control_disable control_disable ss name pids [ 276.650278][ T2164] !!!! control_disable kill_css(ffff888114842400) [ 276.656787][ T2164] !!!! IN kill css_get(ffff888114842400) [ 276.662516][ T2164] !!!! IN kill css_get(ffff888114842400) [ 276.668318][ T2164] !!!! control_disable control_disable ss name cpu [ 276.674823][ T2164] !!!! control_disable control_disable ss name memory [ 276.682022][ T2164] !!!! control_disable control_disable ss name cpu [ 276.688523][ T2164] !!!! control_disable control_disable ss name memory [ 276.695285][ T2164] !!!! control_disable control_disable ss name cpu [ 276.701777][ T2164] !!!! control_disable control_disable ss name memory [ 276.708526][ T2164] !!!! control_disable control_disable ss name cpu [ 276.715118][ T2164] !!!! control_disable control_disable ss name memory [ 276.721872][ T2164] !!!! control_disable control_disable ss name pids [ 276.728486][ T2164] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 276.735155][ T34] !!!! css_release_work_fn(ffff88811ed00400) [ 276.741231][ T34] !!!! css_release_work_fn(ffff88811ed01400) [ 276.747345][ T34] !!!! css_release_work_fn(ffff88811ed01800) [ 276.753436][ T34] !!!! css_killed_work_fn css_put(ffff888114843c00) [ 276.754721][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.761789][ T34] !!!! css_release enqueue(ffff888114843c00) [ 276.767397][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.773060][ C0] !!!! css_killed_ref_fn enqueue(ffff888114843800) [ 276.773077][ C0] !!!! css_killed_ref_fn enqueue(ffff888114842400) [ 276.775545][ T34] !!!! css_killed_work_fn css_put(ffff888114843800) [ 276.781181][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.787605][ T34] !!!! css_release enqueue(ffff888114843800) [ 276.794701][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 276.801545][ T34] !!!! css_killed_work_fn css_put(ffff888114842400) [ 276.827696][ T34] !!!! css_release enqueue(ffff888114842400) [ 276.833812][ T2173] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 276.834030][ T2183] !!!! css_create css ffff88810f953000 !!!! [ 276.846400][ T2183] !!!! css_create css ffff888116ccc800 !!!! [ 276.852653][ T2183] !!!! css_create css ffff88811f26d000 !!!! [ 276.858847][ T2183] FAULT_INJECTION: forcing a failure. [ 276.858847][ T2183] name failslab, interval 1, probability 0, space 0, times 0 [ 276.871676][ T2183] CPU: 1 PID: 2183 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 276.885240][ T2183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.895283][ T2183] Call Trace: [ 276.898550][ T2183] dump_stack_lvl+0x1e2/0x24b [ 276.903206][ T2183] ? bfq_pos_tree_add_move+0x43e/0x43e [ 276.908665][ T2183] dump_stack+0x15/0x17 [ 276.912800][ T2183] should_fail+0x3c0/0x510 [ 276.917198][ T2183] ? __kernfs_new_node+0x99/0x6e0 [ 276.922200][ T2183] __should_failslab+0x9f/0xe0 [ 276.926943][ T2183] should_failslab+0x9/0x20 [ 276.931434][ T2183] __kmalloc_track_caller+0x5f/0x350 [ 276.936700][ T2183] kstrdup_const+0x55/0x90 [ 276.941115][ T2183] __kernfs_new_node+0x99/0x6e0 [ 276.945949][ T2183] ? stack_trace_save+0x1f0/0x1f0 [ 276.950980][ T2183] ? kernfs_new_node+0x170/0x170 [ 276.955896][ T2183] ? ptr_to_hashval+0x60/0x60 [ 276.960554][ T2183] ? snprintf+0xd6/0x120 [ 276.964781][ T2183] kernfs_new_node+0x97/0x170 [ 276.969430][ T2183] __kernfs_create_file+0x4a/0x270 [ 276.974516][ T2183] cgroup_addrm_files+0xab8/0xfe0 [ 276.979512][ T2183] ? cgroup_apply_control_enable+0x734/0x12e0 [ 276.985550][ T2183] ? cgroup_apply_control+0x93/0x710 [ 276.990814][ T2183] ? cgroup_subtree_control_write+0xd19/0x1310 [ 276.996945][ T2183] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 277.003076][ T2183] ? delete_node+0x759/0x7b0 [ 277.007660][ T2183] ? __kasan_check_read+0x11/0x20 [ 277.012664][ T2183] ? delete_node+0x759/0x7b0 [ 277.017414][ T2183] ? __kasan_check_write+0x14/0x20 [ 277.022503][ T2183] ? __radix_tree_replace+0x246/0x2e0 [ 277.027849][ T2183] ? idr_get_next+0x4b0/0x4b0 [ 277.032515][ T2183] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 277.037521][ T2183] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 277.042697][ T2183] css_populate_dir+0x137/0x370 [ 277.047528][ T2183] cgroup_apply_control_enable+0x629/0x12e0 [ 277.053398][ T2183] cgroup_apply_control+0x93/0x710 [ 277.058486][ T2183] ? css_next_child+0x160/0x160 [ 277.063309][ T2183] ? set_next_entity+0xc5/0x390 [ 277.068135][ T2183] ? io_schedule+0x120/0x120 [ 277.072702][ T2183] ? kernfs_fop_write_iter+0x15e/0x410 [ 277.078135][ T2183] ? __kasan_check_write+0x14/0x20 [ 277.083232][ T2183] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 277.088502][ T2183] cgroup_subtree_control_write+0xd19/0x1310 [ 277.094544][ T2183] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 277.100501][ T2183] ? __kasan_check_write+0x14/0x20 [ 277.105591][ T2183] ? _copy_from_iter+0x3fb/0xd60 [ 277.110513][ T2183] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 277.116470][ T2183] cgroup_file_write+0x28e/0x590 [ 277.121382][ T2183] ? cgroup_seqfile_stop+0xc0/0xc0 [ 277.126465][ T2183] ? mutex_lock+0xa6/0x110 [ 277.130856][ T2183] ? mutex_trylock+0xb0/0xb0 [ 277.135420][ T2183] ? __kasan_check_write+0x14/0x20 [ 277.140506][ T2183] kernfs_fop_write_iter+0x2d0/0x410 [ 277.145767][ T2183] ? cgroup_seqfile_stop+0xc0/0xc0 [ 277.150856][ T2183] vfs_write+0xc1c/0xf40 [ 277.155080][ T2183] ? kernel_write+0x3c0/0x3c0 [ 277.159738][ T2183] ? mutex_trylock+0xb0/0xb0 [ 277.164304][ T2183] ? __fdget_pos+0x26d/0x310 [ 277.168867][ T2183] ? ksys_write+0x77/0x2c0 [ 277.173259][ T2183] ksys_write+0x198/0x2c0 [ 277.177593][ T2183] ? __ia32_sys_read+0x90/0x90 [ 277.182331][ T2183] ? debug_smp_processor_id+0x17/0x20 [ 277.187674][ T2183] __x64_sys_write+0x7b/0x90 [ 277.192249][ T2183] do_syscall_64+0x34/0x70 [ 277.196648][ T2183] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 277.202512][ T2183] RIP: 0033:0x7f75104510e9 [ 277.206904][ T2183] 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 [ 277.226609][ T2183] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 277.234996][ T2183] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 277.242942][ T2183] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 277.250888][ T2183] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.258844][ T2183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 277.266790][ T2183] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 277.274935][ T2183] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 277.282070][ T2183] !!!! control_disable control_disable ss name cpu [ 277.288582][ T2183] !!!! control_disable control_disable ss name memory [ 277.295496][ T2183] !!!! control_disable control_disable ss name pids [ 277.302127][ T2183] !!!! control_disable kill_css(ffff88810f953000) [ 277.308709][ T2183] !!!! IN kill css_get(ffff88810f953000) [ 277.314480][ T2183] !!!! IN kill css_get(ffff88810f953000) [ 277.320225][ T2183] !!!! control_disable control_disable ss name cpu [ 277.326811][ T2183] !!!! control_disable control_disable ss name memory [ 277.333631][ T2183] !!!! control_disable control_disable ss name pids [ 277.340216][ T2183] !!!! control_disable kill_css(ffff888116ccc800) [ 277.346816][ T2183] !!!! IN kill css_get(ffff888116ccc800) [ 277.352618][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f953000) [ 277.359228][ T2183] !!!! IN kill css_get(ffff888116ccc800) [ 277.364969][ T2183] !!!! control_disable control_disable ss name cpu [ 277.371468][ T2183] !!!! control_disable control_disable ss name memory [ 277.378242][ T2183] !!!! control_disable control_disable ss name pids [ 277.384846][ T2183] !!!! control_disable kill_css(ffff88811f26d000) [ 277.391323][ T2183] !!!! IN kill css_get(ffff88811f26d000) [ 277.397150][ T2183] !!!! IN kill css_get(ffff88811f26d000) [ 277.402939][ T2183] !!!! control_disable control_disable ss name cpu [ 277.409414][ T2183] !!!! control_disable control_disable ss name memory [ 277.416182][ T2183] !!!! control_disable control_disable ss name cpu [ 277.422704][ T2183] !!!! control_disable control_disable ss name memory [ 277.429453][ T2183] !!!! control_disable control_disable ss name cpu [ 277.435961][ T2183] !!!! control_disable control_disable ss name memory 2022/06/08 04:04:28 executed programs: 619 [ 277.442825][ T2183] !!!! control_disable control_disable ss name cpu [ 277.449294][ T2183] !!!! control_disable control_disable ss name memory [ 277.456055][ T2183] !!!! control_disable control_disable ss name pids [ 277.462664][ T2183] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 277.462708][ T382] !!!! css_release_work_fn(ffff888114843c00) [ 277.477031][ T449] !!!! css_killed_work_fn css_put(ffff88810f953000) [ 277.478254][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 277.483957][ T449] !!!! css_release enqueue(ffff88810f953000) [ 277.491808][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 277.496650][ C1] !!!! css_killed_ref_fn enqueue(ffff888116ccc800) [ 277.506690][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 277.510147][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f26d000) [ 277.517674][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 277.524275][ T449] !!!! css_killed_work_fn css_put(ffff888116ccc800) [ 277.537812][ T449] !!!! css_release enqueue(ffff888116ccc800) [ 277.544066][ T382] !!!! css_release_work_fn(ffff888114843800) [ 277.550133][ T382] !!!! css_free_rwork_fn(ffff88811ed00400) [ 277.550230][ T449] !!!! css_killed_work_fn css_put(ffff88811f26d000) [ 277.556194][ T382] !!!! css_free_rwork_fn(ffff88811ed01400) [ 277.563039][ T449] !!!! css_release enqueue(ffff88811f26d000) [ 277.569090][ T382] !!!! css_free_rwork_fn(ffff88811ed01800) [ 277.575043][ T2163] !!!! css_create css ffff88810fe61400 !!!! [ 277.586780][ T2163] !!!! css_create css ffff88810fe63000 !!!! [ 277.592882][ T2163] !!!! css_create css ffff88810fe61800 !!!! [ 277.598829][ T2163] FAULT_INJECTION: forcing a failure. [ 277.598829][ T2163] name failslab, interval 1, probability 0, space 0, times 0 [ 277.611564][ T2163] CPU: 1 PID: 2163 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 277.623182][ T2163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.633326][ T2163] Call Trace: [ 277.636948][ T2163] dump_stack_lvl+0x1e2/0x24b [ 277.641699][ T2163] ? bfq_pos_tree_add_move+0x43e/0x43e [ 277.647220][ T2163] ? find_next_bit+0xd6/0x120 [ 277.651871][ T2163] ? cpumask_next+0x11/0x30 [ 277.656579][ T2163] dump_stack+0x15/0x17 [ 277.660726][ T2163] should_fail+0x3c0/0x510 [ 277.665480][ T2163] ? percpu_ref_init+0xd0/0x330 [ 277.670320][ T2163] __should_failslab+0x9f/0xe0 [ 277.675075][ T2163] should_failslab+0x9/0x20 [ 277.679593][ T2163] kmem_cache_alloc_trace+0x3a/0x330 [ 277.684864][ T2163] percpu_ref_init+0xd0/0x330 [ 277.689603][ T2163] ? cgroup_setup_root+0xea0/0xea0 [ 277.694697][ T2163] cgroup_apply_control_enable+0x734/0x12e0 [ 277.700587][ T2163] cgroup_apply_control+0x93/0x710 [ 277.705672][ T2163] ? css_next_child+0x160/0x160 [ 277.710505][ T2163] ? set_next_entity+0xc5/0x390 [ 277.715327][ T2163] ? io_schedule+0x120/0x120 [ 277.719903][ T2163] ? kernfs_fop_write_iter+0x15e/0x410 [ 277.725334][ T2163] ? __kasan_check_write+0x14/0x20 [ 277.730417][ T2163] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 277.735675][ T2163] cgroup_subtree_control_write+0xd19/0x1310 [ 277.741629][ T2163] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 277.747582][ T2163] ? __kasan_check_write+0x14/0x20 [ 277.752673][ T2163] ? _copy_from_iter+0x3fb/0xd60 [ 277.757584][ T2163] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 277.763570][ T2163] cgroup_file_write+0x28e/0x590 [ 277.768482][ T2163] ? cgroup_seqfile_stop+0xc0/0xc0 [ 277.773657][ T2163] ? mutex_lock+0xa6/0x110 [ 277.778047][ T2163] ? mutex_trylock+0xb0/0xb0 [ 277.782610][ T2163] ? __kasan_check_write+0x14/0x20 [ 277.787785][ T2163] kernfs_fop_write_iter+0x2d0/0x410 [ 277.793047][ T2163] ? cgroup_seqfile_stop+0xc0/0xc0 [ 277.798134][ T2163] vfs_write+0xc1c/0xf40 [ 277.802353][ T2163] ? kernel_write+0x3c0/0x3c0 [ 277.807014][ T2163] ? mutex_trylock+0xb0/0xb0 [ 277.811580][ T2163] ? __fdget_pos+0x26d/0x310 [ 277.816149][ T2163] ? ksys_write+0x77/0x2c0 [ 277.820552][ T2163] ksys_write+0x198/0x2c0 [ 277.825042][ T2163] ? __ia32_sys_read+0x90/0x90 [ 277.829794][ T2163] ? debug_smp_processor_id+0x17/0x20 [ 277.835147][ T2163] __x64_sys_write+0x7b/0x90 [ 277.839725][ T2163] do_syscall_64+0x34/0x70 [ 277.844136][ T2163] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 277.850015][ T2163] RIP: 0033:0x7fe9a8a760e9 [ 277.854406][ T2163] 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 [ 277.873986][ T2163] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 277.882374][ T2163] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 277.890322][ T2163] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 277.898269][ T2163] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 277.906225][ T2163] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 277.914357][ T2163] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 277.922545][ T2163] !!!! css_create rcu_enqueue(ffff88810fe61800) !!!! [ 277.929413][ T2163] !!!! control_disable control_disable ss name cpu [ 277.936055][ T2163] !!!! control_disable control_disable ss name memory [ 277.942998][ T2163] !!!! control_disable control_disable ss name pids [ 277.949879][ T2163] !!!! control_disable kill_css(ffff88810fe61400) [ 277.956505][ T2163] !!!! IN kill css_get(ffff88810fe61400) [ 277.962348][ T2163] !!!! IN kill css_get(ffff88810fe61400) [ 277.968587][ T2163] !!!! control_disable control_disable ss name cpu [ 277.975159][ T2163] !!!! control_disable control_disable ss name memory [ 277.982211][ T2163] !!!! control_disable control_disable ss name pids [ 277.988994][ T2163] !!!! control_disable kill_css(ffff88810fe63000) [ 277.995833][ T2163] !!!! IN kill css_get(ffff88810fe63000) [ 278.001670][ T2163] !!!! IN kill css_get(ffff88810fe63000) [ 278.007415][ T2163] !!!! control_disable control_disable ss name cpu [ 278.014109][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fe61400) [ 278.020721][ T2163] !!!! control_disable control_disable ss name memory [ 278.027512][ T2163] !!!! control_disable control_disable ss name cpu [ 278.034041][ T2163] !!!! control_disable control_disable ss name memory [ 278.040780][ T2163] !!!! control_disable control_disable ss name cpu [ 278.047290][ T2163] !!!! control_disable control_disable ss name memory [ 278.054154][ T2163] !!!! control_disable control_disable ss name cpu [ 278.060693][ T2163] !!!! control_disable control_disable ss name memory [ 278.067476][ T2163] !!!! control_disable control_disable ss name cpu [ 278.073984][ T2163] !!!! control_disable control_disable ss name memory [ 278.080776][ T2163] !!!! control_disable control_disable ss name pids [ 278.087413][ T2163] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 278.087506][ T382] !!!! css_release_work_fn(ffff888114842400) [ 278.099800][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fe63000) [ 278.099993][ T382] !!!! css_free_rwork_fn(ffff888114843c00) [ 278.106592][ T449] !!!! css_release_work_fn(ffff88810f953000) [ 278.112633][ T382] !!!! css_free_rwork_fn(ffff888114843800) [ 278.119147][ T449] !!!! css_release_work_fn(ffff888116ccc800) [ 278.124532][ T382] !!!! css_free_rwork_fn(ffff88810fe61800) [ 278.131920][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.141688][ T382] !!!! css_free_rwork_fn(ffff888114842400) [ 278.143459][ T449] !!!! css_release_work_fn(ffff88811f26d000) [ 278.149473][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.155338][ T449] !!!! css_killed_work_fn css_put(ffff88810fe61400) [ 278.155398][ T449] !!!! css_release enqueue(ffff88810fe61400) [ 278.163347][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.168913][ T449] !!!! css_killed_work_fn css_put(ffff88810fe63000) [ 278.175623][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.182403][ T449] !!!! css_release enqueue(ffff88810fe63000) [ 278.201490][ T2174] !!!! css_create css ffff888105593c00 !!!! [ 278.207616][ T449] !!!! css_free_rwork_fn(ffff88810f953000) [ 278.207903][ T2174] !!!! css_create css ffff88810a2da400 !!!! [ 278.219440][ T2174] !!!! css_create css ffff88810a2d9c00 !!!! [ 278.225389][ T2174] FAULT_INJECTION: forcing a failure. [ 278.225389][ T2174] name failslab, interval 1, probability 0, space 0, times 0 [ 278.237982][ T2174] CPU: 0 PID: 2174 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 278.249589][ T2174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.259619][ T2174] Call Trace: [ 278.262898][ T2174] dump_stack_lvl+0x1e2/0x24b [ 278.267554][ T2174] ? bfq_pos_tree_add_move+0x43e/0x43e [ 278.273018][ T2174] dump_stack+0x15/0x17 [ 278.277152][ T2174] should_fail+0x3c0/0x510 [ 278.281555][ T2174] ? __kernfs_new_node+0x99/0x6e0 [ 278.286639][ T2174] __should_failslab+0x9f/0xe0 [ 278.291549][ T2174] should_failslab+0x9/0x20 [ 278.296057][ T2174] __kmalloc_track_caller+0x5f/0x350 [ 278.301404][ T2174] kstrdup_const+0x55/0x90 [ 278.305818][ T2174] __kernfs_new_node+0x99/0x6e0 [ 278.310994][ T2174] ? stack_trace_save+0x1f0/0x1f0 [ 278.316169][ T2174] ? kernfs_new_node+0x170/0x170 [ 278.321103][ T2174] ? ptr_to_hashval+0x60/0x60 [ 278.325787][ T2174] ? snprintf+0xd6/0x120 [ 278.330457][ T2174] kernfs_new_node+0x97/0x170 [ 278.335125][ T2174] __kernfs_create_file+0x4a/0x270 [ 278.340227][ T2174] cgroup_addrm_files+0xab8/0xfe0 [ 278.345431][ T2174] ? cgroup_apply_control_enable+0x734/0x12e0 [ 278.351534][ T2174] ? cgroup_apply_control+0x93/0x710 [ 278.356834][ T2174] ? cgroup_subtree_control_write+0xd19/0x1310 [ 278.362979][ T2174] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 278.369227][ T2174] ? delete_node+0x759/0x7b0 [ 278.373820][ T2174] ? __kasan_check_read+0x11/0x20 [ 278.379107][ T2174] ? delete_node+0x759/0x7b0 [ 278.383684][ T2174] ? __kasan_check_write+0x14/0x20 [ 278.388775][ T2174] ? __radix_tree_replace+0x246/0x2e0 [ 278.394572][ T2174] ? idr_get_next+0x4b0/0x4b0 [ 278.399240][ T2174] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 278.404244][ T2174] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 278.409427][ T2174] css_populate_dir+0x137/0x370 [ 278.414281][ T2174] cgroup_apply_control_enable+0x629/0x12e0 [ 278.420156][ T2174] cgroup_apply_control+0x93/0x710 [ 278.425244][ T2174] ? css_next_child+0x160/0x160 [ 278.430081][ T2174] ? set_next_entity+0xc5/0x390 [ 278.435605][ T2174] ? io_schedule+0x120/0x120 [ 278.440182][ T2174] ? kernfs_fop_write_iter+0x15e/0x410 [ 278.445652][ T2174] ? __kasan_check_write+0x14/0x20 [ 278.450742][ T2174] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 278.456733][ T2174] cgroup_subtree_control_write+0xd19/0x1310 [ 278.462780][ T2174] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 278.468774][ T2174] ? __kasan_check_write+0x14/0x20 [ 278.473894][ T2174] ? _copy_from_iter+0x3fb/0xd60 [ 278.479025][ T2174] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 278.484993][ T2174] cgroup_file_write+0x28e/0x590 [ 278.490073][ T2174] ? cgroup_seqfile_stop+0xc0/0xc0 [ 278.495269][ T2174] ? mutex_lock+0xa6/0x110 [ 278.499675][ T2174] ? mutex_trylock+0xb0/0xb0 [ 278.504456][ T2174] ? __kasan_check_write+0x14/0x20 [ 278.509560][ T2174] kernfs_fop_write_iter+0x2d0/0x410 [ 278.514827][ T2174] ? cgroup_seqfile_stop+0xc0/0xc0 [ 278.519916][ T2174] vfs_write+0xc1c/0xf40 [ 278.524138][ T2174] ? kernel_write+0x3c0/0x3c0 [ 278.528796][ T2174] ? mutex_trylock+0xb0/0xb0 [ 278.533386][ T2174] ? __fdget_pos+0x26d/0x310 [ 278.537962][ T2174] ? ksys_write+0x77/0x2c0 [ 278.542352][ T2174] ksys_write+0x198/0x2c0 [ 278.546762][ T2174] ? __ia32_sys_read+0x90/0x90 [ 278.551777][ T2174] ? debug_smp_processor_id+0x17/0x20 [ 278.557228][ T2174] __x64_sys_write+0x7b/0x90 [ 278.563315][ T2174] do_syscall_64+0x34/0x70 [ 278.567981][ T2174] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 278.574285][ T2174] RIP: 0033:0x7ff3e27b70e9 [ 278.578788][ T2174] 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 [ 278.599092][ T2174] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 278.607573][ T2174] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 278.615628][ T2174] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 278.623667][ T2174] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 278.631656][ T2174] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 278.640086][ T2174] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 278.649831][ T2174] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 278.656978][ T2174] !!!! control_disable control_disable ss name cpu [ 278.663507][ T2174] !!!! control_disable control_disable ss name memory [ 278.670382][ T2174] !!!! control_disable control_disable ss name pids [ 278.677099][ T2174] !!!! control_disable kill_css(ffff888105593c00) [ 278.683661][ T2174] !!!! IN kill css_get(ffff888105593c00) [ 278.689792][ T2174] !!!! IN kill css_get(ffff888105593c00) [ 278.695624][ T2174] !!!! control_disable control_disable ss name cpu [ 278.702168][ T2174] !!!! control_disable control_disable ss name memory [ 278.708925][ T2174] !!!! control_disable control_disable ss name pids [ 278.715875][ T2174] !!!! control_disable kill_css(ffff88810a2da400) [ 278.722417][ T2174] !!!! IN kill css_get(ffff88810a2da400) [ 278.728153][ T2174] !!!! IN kill css_get(ffff88810a2da400) [ 278.734346][ T2174] !!!! control_disable control_disable ss name cpu [ 278.740835][ T2174] !!!! control_disable control_disable ss name memory [ 278.747648][ T2174] !!!! control_disable control_disable ss name pids [ 278.754239][ T2174] !!!! control_disable kill_css(ffff88810a2d9c00) [ 278.760888][ T2174] !!!! IN kill css_get(ffff88810a2d9c00) [ 278.766624][ T2174] !!!! IN kill css_get(ffff88810a2d9c00) [ 278.772390][ T2174] !!!! control_disable control_disable ss name cpu [ 278.779398][ T2174] !!!! control_disable control_disable ss name memory [ 278.786332][ T2174] !!!! control_disable control_disable ss name cpu [ 278.792929][ T2174] !!!! control_disable control_disable ss name memory [ 278.799771][ T2174] !!!! control_disable control_disable ss name cpu [ 278.806617][ T2174] !!!! control_disable control_disable ss name memory [ 278.814251][ T2174] !!!! control_disable control_disable ss name cpu [ 278.820890][ T2174] !!!! control_disable control_disable ss name memory [ 278.827699][ C0] !!!! css_killed_ref_fn enqueue(ffff888105593c00) [ 278.834410][ T2174] !!!! control_disable control_disable ss name pids [ 278.841010][ T2174] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 278.841192][ T449] !!!! css_release_work_fn(ffff88810fe61400) [ 278.851632][ C0] !!!! css_killed_ref_fn enqueue(ffff88810a2da400) [ 278.853957][ T449] !!!! css_release_work_fn(ffff88810fe63000) [ 278.860471][ C0] !!!! css_killed_ref_fn enqueue(ffff88810a2d9c00) [ 278.866539][ T449] !!!! css_free_rwork_fn(ffff888116ccc800) [ 278.873274][ T382] !!!! css_killed_work_fn css_put(ffff888105593c00) [ 278.879306][ T449] !!!! css_free_rwork_fn(ffff88811f26d000) [ 278.892797][ T382] !!!! css_release enqueue(ffff888105593c00) [ 278.892821][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.899259][ T372] !!!! css_killed_work_fn css_put(ffff88810a2da400) [ 278.907642][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.915361][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.922478][ T449] !!!! css_free_rwork_fn(ffff88810fe61400) [ 278.933049][ T372] !!!! css_release enqueue(ffff88810a2da400) [ 278.935542][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.941518][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.948203][ T449] !!!! css_free_rwork_fn(ffff88810fe63000) [ 278.955349][ T372] !!!! css_killed_work_fn css_put(ffff88810a2d9c00) [ 278.962103][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.967990][ T372] !!!! css_release enqueue(ffff88810a2d9c00) [ 278.975171][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 278.980981][ T2189] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 278.987766][ T2185] !!!! css_create css ffff888115830000 !!!! [ 278.987826][ T2185] !!!! css_create css ffff888115831000 !!!! [ 278.995634][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.003075][ T2185] !!!! css_create css ffff888115851c00 !!!! [ 279.019227][ T2185] FAULT_INJECTION: forcing a failure. [ 279.019227][ T2185] name failslab, interval 1, probability 0, space 0, times 0 [ 279.031946][ T2185] CPU: 1 PID: 2185 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 279.043901][ T2185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.053933][ T2185] Call Trace: [ 279.057202][ T2185] dump_stack_lvl+0x1e2/0x24b [ 279.062295][ T2185] ? bfq_pos_tree_add_move+0x43e/0x43e [ 279.067837][ T2185] dump_stack+0x15/0x17 [ 279.071998][ T2185] should_fail+0x3c0/0x510 [ 279.076398][ T2185] ? __kernfs_new_node+0x99/0x6e0 [ 279.081395][ T2185] __should_failslab+0x9f/0xe0 [ 279.086135][ T2185] should_failslab+0x9/0x20 [ 279.090710][ T2185] __kmalloc_track_caller+0x5f/0x350 [ 279.095985][ T2185] kstrdup_const+0x55/0x90 [ 279.101395][ T2185] __kernfs_new_node+0x99/0x6e0 [ 279.106222][ T2185] ? stack_trace_save+0x1f0/0x1f0 [ 279.111223][ T2185] ? kernfs_new_node+0x170/0x170 [ 279.116155][ T2185] ? ptr_to_hashval+0x60/0x60 [ 279.120810][ T2185] ? snprintf+0xd6/0x120 [ 279.125055][ T2185] ? debug_smp_processor_id+0x17/0x20 [ 279.130403][ T2185] kernfs_new_node+0x97/0x170 [ 279.135073][ T2185] __kernfs_create_file+0x4a/0x270 [ 279.140177][ T2185] cgroup_addrm_files+0xab8/0xfe0 [ 279.145196][ T2185] ? cgroup_apply_control_enable+0x734/0x12e0 [ 279.151297][ T2185] ? cgroup_apply_control+0x93/0x710 [ 279.156575][ T2185] ? cgroup_subtree_control_write+0xd19/0x1310 [ 279.162761][ T2185] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 279.168890][ T2185] ? delete_node+0x759/0x7b0 [ 279.173459][ T2185] ? __kasan_check_read+0x11/0x20 [ 279.178459][ T2185] ? delete_node+0x759/0x7b0 [ 279.183303][ T2185] ? __kasan_check_write+0x14/0x20 [ 279.188486][ T2185] ? __radix_tree_replace+0x246/0x2e0 [ 279.193834][ T2185] ? idr_get_next+0x4b0/0x4b0 [ 279.198486][ T2185] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 279.203485][ T2185] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 279.208660][ T2185] css_populate_dir+0x137/0x370 [ 279.213499][ T2185] cgroup_apply_control_enable+0x629/0x12e0 [ 279.219368][ T2185] cgroup_apply_control+0x93/0x710 [ 279.224473][ T2185] ? css_next_child+0x160/0x160 [ 279.229453][ T2185] ? io_schedule+0x120/0x120 [ 279.234046][ T2185] ? kernfs_fop_write_iter+0x15e/0x410 [ 279.240613][ T2185] ? __kasan_check_write+0x14/0x20 [ 279.245788][ T2185] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 279.251047][ T2185] cgroup_subtree_control_write+0xd19/0x1310 [ 279.257003][ T2185] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 279.263135][ T2185] ? __kasan_check_write+0x14/0x20 [ 279.268226][ T2185] ? _copy_from_iter+0x3fb/0xd60 [ 279.273138][ T2185] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 279.279118][ T2185] cgroup_file_write+0x28e/0x590 [ 279.284032][ T2185] ? cgroup_seqfile_stop+0xc0/0xc0 [ 279.289136][ T2185] ? mutex_lock+0xa6/0x110 [ 279.293668][ T2185] ? mutex_trylock+0xb0/0xb0 [ 279.298246][ T2185] ? __kasan_check_write+0x14/0x20 [ 279.303367][ T2185] kernfs_fop_write_iter+0x2d0/0x410 [ 279.308640][ T2185] ? cgroup_seqfile_stop+0xc0/0xc0 [ 279.313734][ T2185] vfs_write+0xc1c/0xf40 [ 279.317980][ T2185] ? kernel_write+0x3c0/0x3c0 [ 279.322933][ T2185] ? mutex_trylock+0xb0/0xb0 [ 279.327528][ T2185] ? __fdget_pos+0x26d/0x310 [ 279.332096][ T2185] ? ksys_write+0x77/0x2c0 [ 279.336490][ T2185] ksys_write+0x198/0x2c0 [ 279.340795][ T2185] ? __ia32_sys_read+0x90/0x90 [ 279.345628][ T2185] ? debug_smp_processor_id+0x17/0x20 [ 279.350974][ T2185] __x64_sys_write+0x7b/0x90 [ 279.355548][ T2185] do_syscall_64+0x34/0x70 [ 279.359946][ T2185] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 279.365907][ T2185] RIP: 0033:0x7fccade130e9 [ 279.370300][ T2185] 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 [ 279.389879][ T2185] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 279.398279][ T2185] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 279.406312][ T2185] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 279.414258][ T2185] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 279.422203][ T2185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 279.430418][ T2185] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 279.438820][ T2185] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 279.445952][ T2185] !!!! control_disable control_disable ss name cpu [ 279.452551][ T2185] !!!! control_disable control_disable ss name memory [ 279.459354][ T2185] !!!! control_disable control_disable ss name pids [ 279.466014][ T2185] !!!! control_disable kill_css(ffff888115830000) [ 279.472591][ T2185] !!!! IN kill css_get(ffff888115830000) [ 279.478767][ T2185] !!!! IN kill css_get(ffff888115830000) [ 279.484627][ T2185] !!!! control_disable control_disable ss name cpu [ 279.491158][ T2185] !!!! control_disable control_disable ss name memory [ 279.497990][ T2185] !!!! control_disable control_disable ss name pids [ 279.504634][ T2185] !!!! control_disable kill_css(ffff888115831000) [ 279.511205][ T2185] !!!! IN kill css_get(ffff888115831000) [ 279.516991][ T2185] !!!! IN kill css_get(ffff888115831000) [ 279.517228][ C1] !!!! css_killed_ref_fn enqueue(ffff888115830000) [ 279.522875][ T2185] !!!! control_disable control_disable ss name cpu [ 279.536279][ T2185] !!!! control_disable control_disable ss name memory [ 279.543156][ T2185] !!!! control_disable control_disable ss name pids [ 279.549738][ T2185] !!!! control_disable kill_css(ffff888115851c00) [ 279.556247][ C0] !!!! css_killed_ref_fn enqueue(ffff888115831000) [ 279.562874][ T2185] !!!! IN kill css_get(ffff888115851c00) [ 279.568598][ T2185] !!!! IN kill css_get(ffff888115851c00) [ 279.574343][ T2185] !!!! control_disable control_disable ss name cpu [ 279.581023][ T2185] !!!! control_disable control_disable ss name memory [ 279.587799][ T2185] !!!! control_disable control_disable ss name cpu [ 279.594322][ T2185] !!!! control_disable control_disable ss name memory [ 279.601077][ T2185] !!!! control_disable control_disable ss name cpu [ 279.607617][ T2185] !!!! control_disable control_disable ss name memory [ 279.614529][ T2185] !!!! control_disable control_disable ss name cpu [ 279.621065][ T2185] !!!! control_disable control_disable ss name memory [ 279.628114][ T2185] !!!! control_disable control_disable ss name pids [ 279.634722][ C0] !!!! css_killed_ref_fn enqueue(ffff888115851c00) [ 279.641336][ T2185] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 279.647854][ T382] !!!! css_release_work_fn(ffff888105593c00) [ 279.654023][ T382] !!!! css_release_work_fn(ffff88810a2da400) [ 279.660282][ T382] !!!! css_release_work_fn(ffff88810a2d9c00) [ 279.662012][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.673260][ T449] !!!! css_killed_work_fn css_put(ffff888115830000) [ 279.674436][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.679974][ T449] !!!! css_release enqueue(ffff888115830000) [ 279.692401][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.693223][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.700113][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.706717][ T435] !!!! css_release_work_fn(ffff888115830000) [ 279.714512][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.720869][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.727417][ T382] !!!! css_killed_work_fn css_put(ffff888115831000) [ 279.735532][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.741494][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.753715][ T382] !!!! css_release enqueue(ffff888115831000) [ 279.754451][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.759826][ T372] !!!! css_killed_work_fn css_put(ffff888115851c00) [ 279.767561][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.774310][ T372] !!!! css_release enqueue(ffff888115851c00) [ 279.780975][ T435] !!!! css_free_rwork_fn(ffff888115830000) [ 279.787374][ T2204] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 279.793483][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 279.799527][ T2191] !!!! css_create css ffff888106bb2400 !!!! [ 279.812299][ T372] !!!! css_free_rwork_fn(ffff888105593c00) [ 279.813045][ T2191] !!!! css_create css ffff88811eed9c00 !!!! [ 279.818241][ T372] !!!! css_free_rwork_fn(ffff88810a2da400) [ 279.824507][ T2191] !!!! css_create css ffff888109fff800 !!!! [ 279.830003][ T372] !!!! css_free_rwork_fn(ffff88810a2d9c00) [ 279.841968][ T2191] FAULT_INJECTION: forcing a failure. [ 279.841968][ T2191] name failslab, interval 1, probability 0, space 0, times 0 [ 279.854698][ T2191] CPU: 1 PID: 2191 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 279.866307][ T2191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.876339][ T2191] Call Trace: [ 279.879606][ T2191] dump_stack_lvl+0x1e2/0x24b [ 279.884261][ T2191] ? bfq_pos_tree_add_move+0x43e/0x43e [ 279.889695][ T2191] dump_stack+0x15/0x17 [ 279.893827][ T2191] should_fail+0x3c0/0x510 [ 279.898218][ T2191] ? __kernfs_new_node+0x99/0x6e0 [ 279.903220][ T2191] __should_failslab+0x9f/0xe0 [ 279.908048][ T2191] should_failslab+0x9/0x20 [ 279.912534][ T2191] __kmalloc_track_caller+0x5f/0x350 [ 279.917801][ T2191] kstrdup_const+0x55/0x90 [ 279.922200][ T2191] __kernfs_new_node+0x99/0x6e0 [ 279.927033][ T2191] ? stack_trace_save+0x1f0/0x1f0 [ 279.932035][ T2191] ? kernfs_new_node+0x170/0x170 [ 279.936960][ T2191] ? ptr_to_hashval+0x60/0x60 [ 279.941620][ T2191] ? snprintf+0xd6/0x120 [ 279.945936][ T2191] ? debug_smp_processor_id+0x17/0x20 [ 279.951296][ T2191] kernfs_new_node+0x97/0x170 [ 279.956055][ T2191] __kernfs_create_file+0x4a/0x270 [ 279.961142][ T2191] cgroup_addrm_files+0xab8/0xfe0 [ 279.966153][ T2191] ? cgroup_apply_control_enable+0x734/0x12e0 [ 279.972206][ T2191] ? cgroup_apply_control+0x93/0x710 [ 279.977489][ T2191] ? cgroup_subtree_control_write+0xd19/0x1310 [ 279.983647][ T2191] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 279.989959][ T2191] ? delete_node+0x759/0x7b0 [ 279.995085][ T2191] ? __kasan_check_read+0x11/0x20 [ 280.000135][ T2191] ? delete_node+0x759/0x7b0 [ 280.004723][ T2191] ? __kasan_check_write+0x14/0x20 [ 280.009833][ T2191] ? __radix_tree_replace+0x246/0x2e0 [ 280.015196][ T2191] ? idr_get_next+0x4b0/0x4b0 [ 280.019879][ T2191] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 280.024896][ T2191] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 280.030084][ T2191] css_populate_dir+0x137/0x370 [ 280.034915][ T2191] cgroup_apply_control_enable+0x629/0x12e0 [ 280.040783][ T2191] cgroup_apply_control+0x93/0x710 [ 280.045873][ T2191] ? css_next_child+0x160/0x160 [ 280.050701][ T2191] ? set_next_entity+0xc5/0x390 [ 280.055539][ T2191] ? io_schedule+0x120/0x120 [ 280.060113][ T2191] ? kernfs_fop_write_iter+0x15e/0x410 [ 280.065574][ T2191] ? __kasan_check_write+0x14/0x20 [ 280.070668][ T2191] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 280.075952][ T2191] cgroup_subtree_control_write+0xd19/0x1310 [ 280.081919][ T2191] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 280.087888][ T2191] ? __kasan_check_write+0x14/0x20 [ 280.093071][ T2191] ? _copy_from_iter+0x3fb/0xd60 [ 280.097986][ T2191] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 280.103946][ T2191] cgroup_file_write+0x28e/0x590 [ 280.108858][ T2191] ? cgroup_seqfile_stop+0xc0/0xc0 [ 280.113949][ T2191] ? mutex_lock+0xa6/0x110 [ 280.118427][ T2191] ? mutex_trylock+0xb0/0xb0 [ 280.122990][ T2191] ? __kasan_check_write+0x14/0x20 [ 280.128165][ T2191] kernfs_fop_write_iter+0x2d0/0x410 [ 280.133430][ T2191] ? cgroup_seqfile_stop+0xc0/0xc0 [ 280.138516][ T2191] vfs_write+0xc1c/0xf40 [ 280.142733][ T2191] ? kernel_write+0x3c0/0x3c0 [ 280.147386][ T2191] ? mutex_trylock+0xb0/0xb0 [ 280.151961][ T2191] ? __fdget_pos+0x26d/0x310 [ 280.156524][ T2191] ? ksys_write+0x77/0x2c0 [ 280.160924][ T2191] ksys_write+0x198/0x2c0 [ 280.165230][ T2191] ? __ia32_sys_read+0x90/0x90 [ 280.169967][ T2191] ? debug_smp_processor_id+0x17/0x20 [ 280.175314][ T2191] __x64_sys_write+0x7b/0x90 [ 280.179974][ T2191] do_syscall_64+0x34/0x70 [ 280.184365][ T2191] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 280.190248][ T2191] RIP: 0033:0x7f2fc06ba0e9 [ 280.194643][ T2191] 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 [ 280.214227][ T2191] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 280.222706][ T2191] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 280.230653][ T2191] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 280.238600][ T2191] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 280.246548][ T2191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 280.254493][ T2191] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 280.262673][ T2191] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 280.269892][ T2191] !!!! control_disable control_disable ss name cpu [ 280.276420][ T2191] !!!! control_disable control_disable ss name memory [ 280.283214][ T2191] !!!! control_disable control_disable ss name pids [ 280.289838][ T2191] !!!! control_disable kill_css(ffff888106bb2400) [ 280.296404][ T2191] !!!! IN kill css_get(ffff888106bb2400) [ 280.302326][ T2191] !!!! IN kill css_get(ffff888106bb2400) [ 280.308049][ T2191] !!!! control_disable control_disable ss name cpu [ 280.314579][ T2191] !!!! control_disable control_disable ss name memory [ 280.321346][ T2191] !!!! control_disable control_disable ss name pids [ 280.328179][ T2191] !!!! control_disable kill_css(ffff88811eed9c00) [ 280.335054][ T2191] !!!! IN kill css_get(ffff88811eed9c00) [ 280.340751][ T2191] !!!! IN kill css_get(ffff88811eed9c00) [ 280.346478][ C1] !!!! css_killed_ref_fn enqueue(ffff888106bb2400) [ 280.353099][ T2191] !!!! control_disable control_disable ss name cpu [ 280.359570][ T2191] !!!! control_disable control_disable ss name memory [ 280.366340][ T2191] !!!! control_disable control_disable ss name pids [ 280.372985][ T2191] !!!! control_disable kill_css(ffff888109fff800) [ 280.379471][ T2191] !!!! IN kill css_get(ffff888109fff800) [ 280.385195][ T2191] !!!! IN kill css_get(ffff888109fff800) [ 280.390901][ T2191] !!!! control_disable control_disable ss name cpu [ 280.397411][ T2191] !!!! control_disable control_disable ss name memory [ 280.404222][ T2191] !!!! control_disable control_disable ss name cpu [ 280.410706][ T2191] !!!! control_disable control_disable ss name memory [ 280.417471][ T2191] !!!! control_disable control_disable ss name cpu [ 280.423986][ T2191] !!!! control_disable control_disable ss name memory [ 280.430718][ T2191] !!!! control_disable control_disable ss name cpu [ 280.437217][ T2191] !!!! control_disable control_disable ss name memory [ 280.443976][ T2191] !!!! control_disable control_disable ss name pids [ 280.450570][ T2191] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 280.450719][ T372] !!!! css_release_work_fn(ffff888115831000) [ 280.463284][ T372] !!!! css_release_work_fn(ffff888115851c00) [ 280.464432][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.476198][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eed9c00) [ 280.482796][ C1] !!!! css_killed_ref_fn enqueue(ffff888109fff800) [ 280.489459][ T449] !!!! css_killed_work_fn css_put(ffff888106bb2400) [ 280.490654][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.496237][ T449] !!!! css_release enqueue(ffff888106bb2400) [ 280.507763][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.509795][ T449] !!!! css_killed_work_fn css_put(ffff88811eed9c00) [ 280.516820][ T372] !!!! css_free_rwork_fn(ffff888115831000) [ 280.524391][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.529594][ T372] !!!! css_free_rwork_fn(ffff888115851c00) [ 280.536369][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.542802][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.549673][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.562743][ T449] !!!! css_release enqueue(ffff88811eed9c00) [ 280.564193][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 280.568916][ T449] !!!! css_killed_work_fn css_put(ffff888109fff800) [ 280.582417][ T449] !!!! css_release enqueue(ffff888109fff800) [ 280.588500][ T2204] !!!! css_create css ffff88811f2ef000 !!!! [ 280.594493][ T2204] !!!! css_create css ffff88811f2ed400 !!!! [ 280.600398][ T2204] !!!! css_create css ffff88811f2ec400 !!!! [ 280.606331][ T2204] FAULT_INJECTION: forcing a failure. [ 280.606331][ T2204] name failslab, interval 1, probability 0, space 0, times 0 [ 280.618999][ T2204] CPU: 1 PID: 2204 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 280.630604][ T2204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.640640][ T2204] Call Trace: [ 280.643913][ T2204] dump_stack_lvl+0x1e2/0x24b [ 280.649793][ T2204] ? bfq_pos_tree_add_move+0x43e/0x43e [ 280.655235][ T2204] ? __pv_queued_spin_lock_slowpath+0xa24/0xc90 [ 280.661465][ T2204] dump_stack+0x15/0x17 [ 280.665604][ T2204] should_fail+0x3c0/0x510 [ 280.670000][ T2204] ? __kernfs_new_node+0x99/0x6e0 [ 280.675038][ T2204] __should_failslab+0x9f/0xe0 [ 280.679781][ T2204] should_failslab+0x9/0x20 [ 280.684279][ T2204] __kmalloc_track_caller+0x5f/0x350 [ 280.689539][ T2204] kstrdup_const+0x55/0x90 [ 280.693951][ T2204] __kernfs_new_node+0x99/0x6e0 [ 280.698801][ T2204] ? stack_trace_save+0x1f0/0x1f0 [ 280.703856][ T2204] ? kernfs_new_node+0x170/0x170 [ 280.708773][ T2204] ? ptr_to_hashval+0x60/0x60 [ 280.713440][ T2204] ? snprintf+0xd6/0x120 [ 280.717679][ T2204] kernfs_new_node+0x97/0x170 [ 280.722340][ T2204] __kernfs_create_file+0x4a/0x270 [ 280.727445][ T2204] cgroup_addrm_files+0xab8/0xfe0 [ 280.732456][ T2204] ? cgroup_apply_control_enable+0x734/0x12e0 [ 280.738515][ T2204] ? cgroup_apply_control+0x93/0x710 [ 280.743775][ T2204] ? cgroup_subtree_control_write+0xd19/0x1310 [ 280.749905][ T2204] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 280.756034][ T2204] ? delete_node+0x759/0x7b0 [ 280.760637][ T2204] ? __kasan_check_read+0x11/0x20 [ 280.765672][ T2204] ? delete_node+0x759/0x7b0 [ 280.770247][ T2204] ? __kasan_check_write+0x14/0x20 [ 280.775362][ T2204] ? __radix_tree_replace+0x246/0x2e0 [ 280.780811][ T2204] ? idr_get_next+0x4b0/0x4b0 [ 280.785480][ T2204] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 280.790491][ T2204] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 280.795701][ T2204] css_populate_dir+0x137/0x370 [ 280.800543][ T2204] cgroup_apply_control_enable+0x629/0x12e0 [ 280.806429][ T2204] cgroup_apply_control+0x93/0x710 [ 280.811529][ T2204] ? css_next_child+0x160/0x160 [ 280.816366][ T2204] ? io_schedule+0x120/0x120 [ 280.820970][ T2204] ? kernfs_fop_write_iter+0x15e/0x410 [ 280.826416][ T2204] ? __kasan_check_write+0x14/0x20 [ 280.831814][ T2204] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 280.837081][ T2204] cgroup_subtree_control_write+0xd19/0x1310 [ 280.843052][ T2204] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 280.849031][ T2204] ? __kasan_check_write+0x14/0x20 [ 280.854128][ T2204] ? _copy_from_iter+0x3fb/0xd60 [ 280.859051][ T2204] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 280.865113][ T2204] cgroup_file_write+0x28e/0x590 [ 280.870132][ T2204] ? cgroup_seqfile_stop+0xc0/0xc0 [ 280.875246][ T2204] ? mutex_lock+0xa6/0x110 [ 280.879673][ T2204] ? mutex_trylock+0xb0/0xb0 [ 280.884356][ T2204] ? __kasan_check_write+0x14/0x20 [ 280.889456][ T2204] kernfs_fop_write_iter+0x2d0/0x410 [ 280.894837][ T2204] ? cgroup_seqfile_stop+0xc0/0xc0 [ 280.900557][ T2204] vfs_write+0xc1c/0xf40 [ 280.904969][ T2204] ? kernel_write+0x3c0/0x3c0 [ 280.909665][ T2204] ? mutex_trylock+0xb0/0xb0 [ 280.914385][ T2204] ? __fdget_pos+0x26d/0x310 [ 280.918960][ T2204] ? ksys_write+0x77/0x2c0 [ 280.923372][ T2204] ksys_write+0x198/0x2c0 [ 280.927693][ T2204] ? __ia32_sys_read+0x90/0x90 [ 280.932518][ T2204] ? debug_smp_processor_id+0x17/0x20 [ 280.937883][ T2204] __x64_sys_write+0x7b/0x90 [ 280.942450][ T2204] do_syscall_64+0x34/0x70 [ 280.946844][ T2204] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 280.952732][ T2204] RIP: 0033:0x7fccade130e9 [ 280.957124][ T2204] 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 [ 280.976718][ T2204] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 280.985281][ T2204] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 280.993355][ T2204] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 281.001681][ T2204] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 281.009759][ T2204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 281.017803][ T2204] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 281.026140][ T2204] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 281.033201][ T2204] !!!! control_disable control_disable ss name cpu [ 281.039768][ T2204] !!!! control_disable control_disable ss name memory [ 281.046552][ T2204] !!!! control_disable control_disable ss name pids [ 281.053150][ T2204] !!!! control_disable kill_css(ffff88811f2ef000) [ 281.059668][ T2204] !!!! IN kill css_get(ffff88811f2ef000) [ 281.066531][ T2204] !!!! IN kill css_get(ffff88811f2ef000) [ 281.072384][ T2204] !!!! control_disable control_disable ss name cpu [ 281.078879][ T2204] !!!! control_disable control_disable ss name memory [ 281.085752][ T2204] !!!! control_disable control_disable ss name pids [ 281.092463][ T2204] !!!! control_disable kill_css(ffff88811f2ed400) [ 281.099010][ T2204] !!!! IN kill css_get(ffff88811f2ed400) [ 281.104746][ T2204] !!!! IN kill css_get(ffff88811f2ed400) [ 281.110463][ T2204] !!!! control_disable control_disable ss name cpu [ 281.116978][ T2204] !!!! control_disable control_disable ss name memory [ 281.123840][ T2204] !!!! control_disable control_disable ss name pids [ 281.130410][ T2204] !!!! control_disable kill_css(ffff88811f2ec400) [ 281.136933][ T2204] !!!! IN kill css_get(ffff88811f2ec400) [ 281.142664][ T2204] !!!! IN kill css_get(ffff88811f2ec400) [ 281.148520][ T2204] !!!! control_disable control_disable ss name cpu [ 281.155130][ T2204] !!!! control_disable control_disable ss name memory [ 281.161940][ T2204] !!!! control_disable control_disable ss name cpu [ 281.168615][ T2204] !!!! control_disable control_disable ss name memory [ 281.175509][ T2204] !!!! control_disable control_disable ss name cpu [ 281.182007][ T2204] !!!! control_disable control_disable ss name memory [ 281.188856][ T2204] !!!! control_disable control_disable ss name cpu [ 281.195470][ T2204] !!!! control_disable control_disable ss name memory [ 281.202259][ T2204] !!!! control_disable control_disable ss name pids [ 281.208899][ T449] !!!! css_release_work_fn(ffff888106bb2400) [ 281.208924][ T2204] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 281.215241][ T449] !!!! css_release_work_fn(ffff88811eed9c00) [ 281.227576][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f2ef000) [ 281.227597][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f2ed400) [ 281.227603][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f2ec400) [ 281.247890][ T449] !!!! css_release_work_fn(ffff888109fff800) [ 281.252642][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 281.254119][ T449] !!!! css_killed_work_fn css_put(ffff88811f2ef000) [ 281.261226][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 281.268163][ T449] !!!! css_release enqueue(ffff88811f2ef000) [ 281.275860][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 281.281279][ T449] !!!! css_killed_work_fn css_put(ffff88811f2ed400) [ 281.289171][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 281.294882][ T449] !!!! css_release enqueue(ffff88811f2ed400) [ 281.308002][ T435] !!!! css_killed_work_fn css_put(ffff88811f2ec400) [ 281.314772][ T435] !!!! css_release enqueue(ffff88811f2ec400) [ 281.320835][ T2175] !!!! css_create css ffff88811ed7b800 !!!! [ 281.326893][ T2175] !!!! css_create css ffff88811ed78c00 !!!! [ 281.333315][ T2175] !!!! css_create css ffff88810719a800 !!!! [ 281.339605][ T2175] FAULT_INJECTION: forcing a failure. [ 281.339605][ T2175] name failslab, interval 1, probability 0, space 0, times 0 [ 281.352560][ T2175] CPU: 1 PID: 2175 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 281.364196][ T2175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.374231][ T2175] Call Trace: [ 281.377517][ T2175] dump_stack_lvl+0x1e2/0x24b [ 281.382253][ T2175] ? bfq_pos_tree_add_move+0x43e/0x43e [ 281.387680][ T2175] ? serial8250_console_write+0xae0/0xe60 [ 281.393369][ T2175] ? record_print_text+0x266/0x420 [ 281.398476][ T2175] dump_stack+0x15/0x17 [ 281.402619][ T2175] should_fail+0x3c0/0x510 [ 281.407017][ T2175] ? __kernfs_new_node+0x99/0x6e0 [ 281.412043][ T2175] __should_failslab+0x9f/0xe0 [ 281.416805][ T2175] should_failslab+0x9/0x20 [ 281.421309][ T2175] __kmalloc_track_caller+0x5f/0x350 [ 281.426577][ T2175] kstrdup_const+0x55/0x90 [ 281.430970][ T2175] __kernfs_new_node+0x99/0x6e0 [ 281.435798][ T2175] ? stack_trace_save+0x1f0/0x1f0 [ 281.440818][ T2175] ? kernfs_new_node+0x170/0x170 [ 281.445745][ T2175] ? ptr_to_hashval+0x60/0x60 [ 281.450400][ T2175] ? snprintf+0xd6/0x120 [ 281.454624][ T2175] kernfs_new_node+0x97/0x170 [ 281.459289][ T2175] __kernfs_create_file+0x4a/0x270 [ 281.464380][ T2175] cgroup_addrm_files+0xab8/0xfe0 [ 281.469397][ T2175] ? cgroup_apply_control_enable+0x734/0x12e0 [ 281.475446][ T2175] ? cgroup_apply_control+0x93/0x710 [ 281.481148][ T2175] ? cgroup_subtree_control_write+0xd19/0x1310 [ 281.487292][ T2175] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 281.493422][ T2175] ? delete_node+0x759/0x7b0 [ 281.497999][ T2175] ? __kasan_check_read+0x11/0x20 [ 281.503009][ T2175] ? delete_node+0x759/0x7b0 [ 281.507585][ T2175] ? __kasan_check_write+0x14/0x20 [ 281.512676][ T2175] ? __radix_tree_replace+0x246/0x2e0 [ 281.518046][ T2175] ? idr_get_next+0x4b0/0x4b0 [ 281.522708][ T2175] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 281.527715][ T2175] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 281.532894][ T2175] css_populate_dir+0x137/0x370 [ 281.537717][ T2175] cgroup_apply_control_enable+0x629/0x12e0 [ 281.543888][ T2175] cgroup_apply_control+0x93/0x710 [ 281.548997][ T2175] ? css_next_child+0x160/0x160 [ 281.553837][ T2175] ? dequeue_task_fair+0x7ad/0xb50 [ 281.558938][ T2175] ? io_schedule+0x120/0x120 [ 281.563533][ T2175] ? kernfs_fop_write_iter+0x15e/0x410 [ 281.568986][ T2175] ? __kasan_check_write+0x14/0x20 [ 281.574096][ T2175] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 281.579369][ T2175] cgroup_subtree_control_write+0xd19/0x1310 [ 281.585333][ T2175] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 281.591295][ T2175] ? __kasan_check_write+0x14/0x20 [ 281.596403][ T2175] ? _copy_from_iter+0x3fb/0xd60 [ 281.601322][ T2175] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 281.607274][ T2175] cgroup_file_write+0x28e/0x590 [ 281.612190][ T2175] ? cgroup_seqfile_stop+0xc0/0xc0 [ 281.617273][ T2175] ? mutex_lock+0xa6/0x110 [ 281.621662][ T2175] ? mutex_trylock+0xb0/0xb0 [ 281.626222][ T2175] ? __kasan_check_write+0x14/0x20 [ 281.631319][ T2175] kernfs_fop_write_iter+0x2d0/0x410 [ 281.636579][ T2175] ? cgroup_seqfile_stop+0xc0/0xc0 [ 281.641679][ T2175] vfs_write+0xc1c/0xf40 [ 281.645898][ T2175] ? kernel_write+0x3c0/0x3c0 [ 281.650556][ T2175] ? mutex_trylock+0xb0/0xb0 [ 281.655126][ T2175] ? __fdget_pos+0x26d/0x310 [ 281.659692][ T2175] ? ksys_write+0x77/0x2c0 [ 281.664105][ T2175] ksys_write+0x198/0x2c0 [ 281.668414][ T2175] ? __ia32_sys_read+0x90/0x90 [ 281.673154][ T2175] ? debug_smp_processor_id+0x17/0x20 [ 281.678506][ T2175] __x64_sys_write+0x7b/0x90 [ 281.683074][ T2175] do_syscall_64+0x34/0x70 [ 281.687472][ T2175] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 281.693338][ T2175] RIP: 0033:0x7f5d5b96a0e9 [ 281.697742][ T2175] 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 [ 281.717336][ T2175] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 281.725726][ T2175] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 281.733672][ T2175] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 281.741627][ T2175] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 281.749570][ T2175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 281.757535][ T2175] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 281.765685][ T2175] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 281.772728][ T2175] !!!! control_disable control_disable ss name cpu [ 281.779271][ T2175] !!!! control_disable control_disable ss name memory [ 281.786402][ T2175] !!!! control_disable control_disable ss name pids [ 281.793118][ T2175] !!!! control_disable kill_css(ffff88811ed7b800) [ 281.800430][ T2175] !!!! IN kill css_get(ffff88811ed7b800) [ 281.806326][ T2175] !!!! IN kill css_get(ffff88811ed7b800) [ 281.812172][ T2175] !!!! control_disable control_disable ss name cpu [ 281.818658][ T2175] !!!! control_disable control_disable ss name memory [ 281.825574][ T2175] !!!! control_disable control_disable ss name pids [ 281.832194][ T2175] !!!! control_disable kill_css(ffff88811ed78c00) [ 281.838728][ T2175] !!!! IN kill css_get(ffff88811ed78c00) [ 281.844511][ T2175] !!!! IN kill css_get(ffff88811ed78c00) [ 281.850234][ T2175] !!!! control_disable control_disable ss name cpu [ 281.856816][ C1] !!!! css_killed_ref_fn enqueue(ffff88811ed7b800) [ 281.863496][ T2175] !!!! control_disable control_disable ss name memory [ 281.870248][ T2175] !!!! control_disable control_disable ss name pids [ 281.876996][ T2175] !!!! control_disable kill_css(ffff88810719a800) [ 281.883533][ T2175] !!!! IN kill css_get(ffff88810719a800) [ 281.889344][ T2175] !!!! IN kill css_get(ffff88810719a800) [ 281.895095][ C1] !!!! css_killed_ref_fn enqueue(ffff88811ed78c00) [ 281.901749][ T2175] !!!! control_disable control_disable ss name cpu [ 281.908240][ T2175] !!!! control_disable control_disable ss name memory [ 281.915036][ T2175] !!!! control_disable control_disable ss name cpu [ 281.921513][ T2175] !!!! control_disable control_disable ss name memory [ 281.928382][ T2175] !!!! control_disable control_disable ss name cpu [ 281.934906][ T2175] !!!! control_disable control_disable ss name memory [ 281.941667][ T2175] !!!! control_disable control_disable ss name cpu [ 281.948172][ T2175] !!!! control_disable control_disable ss name memory [ 281.954953][ T2175] !!!! control_disable control_disable ss name pids [ 281.961559][ T449] !!!! css_release_work_fn(ffff88811f2ef000) [ 281.961650][ T2175] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 281.967843][ T449] !!!! css_free_rwork_fn(ffff888106bb2400) [ 281.981629][ C1] !!!! css_killed_ref_fn enqueue(ffff88810719a800) [ 281.989522][ T449] !!!! css_free_rwork_fn(ffff88811eed9c00) [ 281.992873][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 281.995685][ T449] !!!! css_release_work_fn(ffff88811f2ed400) [ 282.002892][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.008848][ T435] !!!! css_free_rwork_fn(ffff888109fff800) [ 282.016827][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.021675][ T435] !!!! css_release_work_fn(ffff88811f2ec400) [ 282.029220][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.034872][ T449] !!!! css_killed_work_fn css_put(ffff88811ed7b800) [ 282.048845][ T449] !!!! css_release enqueue(ffff88811ed7b800) [ 282.054947][ T449] !!!! css_killed_work_fn css_put(ffff88811ed78c00) [ 282.061643][ T449] !!!! css_release enqueue(ffff88811ed78c00) [ 282.067958][ T449] !!!! css_killed_work_fn css_put(ffff88810719a800) [ 282.074966][ T449] !!!! css_release enqueue(ffff88810719a800) [ 282.081241][ T2188] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.081681][ T2215] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.088504][ T2213] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.095744][ T2215] !!!! css_create css ffff88811f0ff400 !!!! [ 282.101646][ T449] !!!! css_free_rwork_fn(ffff88811f2ef000) [ 282.108303][ T2215] !!!! css_create css ffff88811f0fe800 !!!! [ 282.119837][ T2215] !!!! css_create css ffff88810a08ac00 !!!! [ 282.125753][ T2215] FAULT_INJECTION: forcing a failure. [ 282.125753][ T2215] name failslab, interval 1, probability 0, space 0, times 0 [ 282.138477][ T2215] CPU: 0 PID: 2215 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 282.150508][ T2215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.160544][ T2215] Call Trace: [ 282.163815][ T2215] dump_stack_lvl+0x1e2/0x24b [ 282.168642][ T2215] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.174094][ T2215] dump_stack+0x15/0x17 [ 282.178230][ T2215] should_fail+0x3c0/0x510 [ 282.182635][ T2215] ? __kernfs_new_node+0x99/0x6e0 [ 282.187634][ T2215] __should_failslab+0x9f/0xe0 [ 282.192390][ T2215] should_failslab+0x9/0x20 [ 282.197027][ T2215] __kmalloc_track_caller+0x5f/0x350 [ 282.202301][ T2215] kstrdup_const+0x55/0x90 [ 282.206792][ T2215] __kernfs_new_node+0x99/0x6e0 [ 282.211633][ T2215] ? stack_trace_save+0x1f0/0x1f0 [ 282.216650][ T2215] ? kernfs_new_node+0x170/0x170 [ 282.221574][ T2215] ? ptr_to_hashval+0x60/0x60 [ 282.226329][ T2215] ? snprintf+0xd6/0x120 [ 282.230551][ T2215] kernfs_new_node+0x97/0x170 [ 282.235221][ T2215] __kernfs_create_file+0x4a/0x270 [ 282.240317][ T2215] cgroup_addrm_files+0xab8/0xfe0 [ 282.245677][ T2215] ? cgroup_apply_control_enable+0x734/0x12e0 [ 282.251728][ T2215] ? cgroup_apply_control+0x93/0x710 [ 282.256985][ T2215] ? cgroup_subtree_control_write+0xd19/0x1310 [ 282.263113][ T2215] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 282.269239][ T2215] ? delete_node+0x759/0x7b0 [ 282.273803][ T2215] ? __kasan_check_read+0x11/0x20 [ 282.278805][ T2215] ? delete_node+0x759/0x7b0 [ 282.283386][ T2215] ? __kasan_check_write+0x14/0x20 [ 282.288473][ T2215] ? __radix_tree_replace+0x246/0x2e0 [ 282.293824][ T2215] ? idr_get_next+0x4b0/0x4b0 [ 282.298573][ T2215] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 282.303585][ T2215] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 282.308754][ T2215] css_populate_dir+0x137/0x370 [ 282.313588][ T2215] cgroup_apply_control_enable+0x629/0x12e0 [ 282.319454][ T2215] cgroup_apply_control+0x93/0x710 [ 282.324555][ T2215] ? css_next_child+0x160/0x160 [ 282.329378][ T2215] ? io_schedule+0x120/0x120 [ 282.334032][ T2215] ? kernfs_fop_write_iter+0x15e/0x410 [ 282.339482][ T2215] ? __kasan_check_write+0x14/0x20 [ 282.344566][ T2215] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 282.349833][ T2215] cgroup_subtree_control_write+0xd19/0x1310 [ 282.355793][ T2215] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 282.361745][ T2215] ? __kasan_check_write+0x14/0x20 [ 282.366835][ T2215] ? _copy_from_iter+0x3fb/0xd60 [ 282.371748][ T2215] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 282.377702][ T2215] cgroup_file_write+0x28e/0x590 [ 282.382621][ T2215] ? cgroup_seqfile_stop+0xc0/0xc0 [ 282.387712][ T2215] ? mutex_lock+0xa6/0x110 [ 282.392112][ T2215] ? mutex_trylock+0xb0/0xb0 [ 282.396676][ T2215] ? __kasan_check_write+0x14/0x20 [ 282.401779][ T2215] kernfs_fop_write_iter+0x2d0/0x410 [ 282.407043][ T2215] ? cgroup_seqfile_stop+0xc0/0xc0 [ 282.412137][ T2215] vfs_write+0xc1c/0xf40 [ 282.416360][ T2215] ? kernel_write+0x3c0/0x3c0 [ 282.421009][ T2215] ? mutex_trylock+0xb0/0xb0 [ 282.425572][ T2215] ? __fdget_pos+0x26d/0x310 [ 282.430133][ T2215] ? ksys_write+0x77/0x2c0 [ 282.434522][ T2215] ksys_write+0x198/0x2c0 [ 282.438822][ T2215] ? __ia32_sys_read+0x90/0x90 [ 282.444255][ T2215] ? debug_smp_processor_id+0x17/0x20 [ 282.449610][ T2215] __x64_sys_write+0x7b/0x90 [ 282.454172][ T2215] do_syscall_64+0x34/0x70 [ 282.458588][ T2215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 282.464451][ T2215] RIP: 0033:0x7f5d5b96a0e9 [ 282.468839][ T2215] 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 [ 282.488548][ T2215] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 282.496938][ T2215] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 282.504892][ T2215] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 282.512836][ T2215] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 282.520805][ T2215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 282.528928][ T2215] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 282.537453][ T2215] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 282.544621][ T2215] !!!! control_disable control_disable ss name cpu [ 282.551153][ T2215] !!!! control_disable control_disable ss name memory [ 282.557976][ T2215] !!!! control_disable control_disable ss name pids [ 282.564810][ T2215] !!!! control_disable kill_css(ffff88811f0ff400) [ 282.571467][ T2215] !!!! IN kill css_get(ffff88811f0ff400) [ 282.577247][ T2215] !!!! IN kill css_get(ffff88811f0ff400) [ 282.583028][ T2215] !!!! control_disable control_disable ss name cpu [ 282.589541][ T2215] !!!! control_disable control_disable ss name memory [ 282.596366][ T2215] !!!! control_disable control_disable ss name pids [ 282.603013][ T2215] !!!! control_disable kill_css(ffff88811f0fe800) [ 282.609575][ T2215] !!!! IN kill css_get(ffff88811f0fe800) [ 282.615376][ T2215] !!!! IN kill css_get(ffff88811f0fe800) [ 282.621166][ T2215] !!!! control_disable control_disable ss name cpu [ 282.621184][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f0ff400) [ 282.628055][ T2215] !!!! control_disable control_disable ss name memory [ 282.641122][ T2215] !!!! control_disable control_disable ss name pids [ 282.647890][ T2215] !!!! control_disable kill_css(ffff88810a08ac00) [ 282.654523][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f0fe800) [ 282.661196][ T2215] !!!! IN kill css_get(ffff88810a08ac00) [ 282.666982][ T2215] !!!! IN kill css_get(ffff88810a08ac00) [ 282.672809][ T2215] !!!! control_disable control_disable ss name cpu [ 282.679371][ T2215] !!!! control_disable control_disable ss name memory [ 282.686172][ T2215] !!!! control_disable control_disable ss name cpu [ 282.692681][ T2215] !!!! control_disable control_disable ss name memory [ 282.699431][ T2215] !!!! control_disable control_disable ss name cpu [ 282.705947][ C1] !!!! css_killed_ref_fn enqueue(ffff88810a08ac00) [ 282.712575][ T2215] !!!! control_disable control_disable ss name memory 2022/06/08 04:04:34 executed programs: 630 [ 282.719312][ T2215] !!!! control_disable control_disable ss name cpu [ 282.725816][ T2215] !!!! control_disable control_disable ss name memory [ 282.732577][ T2215] !!!! control_disable control_disable ss name pids [ 282.739167][ T2215] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.745697][ T449] !!!! css_release_work_fn(ffff88811ed7b800) [ 282.751801][ T372] !!!! css_killed_work_fn css_put(ffff88811f0ff400) [ 282.751807][ T449] !!!! css_free_rwork_fn(ffff88811f2ed400) [ 282.764538][ T372] !!!! css_release enqueue(ffff88811f0ff400) [ 282.765762][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.775272][ T372] !!!! css_release_work_fn(ffff88811f0ff400) [ 282.784587][ T449] !!!! css_release_work_fn(ffff88811ed78c00) [ 282.784831][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.790866][ T449] !!!! css_release_work_fn(ffff88810719a800) [ 282.798153][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.803990][ T449] !!!! css_free_rwork_fn(ffff88811f2ec400) [ 282.812309][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 282.816961][ T449] !!!! css_killed_work_fn css_put(ffff88811f0fe800) [ 282.830036][ T449] !!!! css_release enqueue(ffff88811f0fe800) [ 282.836617][ T449] !!!! css_killed_work_fn css_put(ffff88810a08ac00) [ 282.843349][ T449] !!!! css_release enqueue(ffff88810a08ac00) [ 282.849501][ T2221] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.851705][ T2208] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 282.856070][ T2218] !!!! css_create css ffff88810fd3d800 !!!! [ 282.862532][ T372] !!!! css_free_rwork_fn(ffff88811f0ff400) [ 282.868415][ T449] !!!! css_free_rwork_fn(ffff88811ed7b800) [ 282.880413][ T2218] !!!! css_create css ffff88810fd3d000 !!!! [ 282.886699][ T2218] !!!! css_create css ffff88811f131400 !!!! [ 282.892671][ T2218] FAULT_INJECTION: forcing a failure. [ 282.892671][ T2218] name failslab, interval 1, probability 0, space 0, times 0 [ 282.905319][ T2218] CPU: 1 PID: 2218 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 282.916927][ T2218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.927136][ T2218] Call Trace: [ 282.930414][ T2218] dump_stack_lvl+0x1e2/0x24b [ 282.935081][ T2218] ? bfq_pos_tree_add_move+0x43e/0x43e [ 282.940537][ T2218] ? find_next_bit+0xd6/0x120 [ 282.945311][ T2218] ? cpumask_next+0x11/0x30 [ 282.949808][ T2218] dump_stack+0x15/0x17 [ 282.953962][ T2218] should_fail+0x3c0/0x510 [ 282.958368][ T2218] ? percpu_ref_init+0xd0/0x330 [ 282.963290][ T2218] __should_failslab+0x9f/0xe0 [ 282.968129][ T2218] should_failslab+0x9/0x20 [ 282.972619][ T2218] kmem_cache_alloc_trace+0x3a/0x330 [ 282.977886][ T2218] percpu_ref_init+0xd0/0x330 [ 282.982627][ T2218] ? cgroup_setup_root+0xea0/0xea0 [ 282.987720][ T2218] cgroup_apply_control_enable+0x734/0x12e0 [ 282.993597][ T2218] cgroup_apply_control+0x93/0x710 [ 282.998686][ T2218] ? css_next_child+0x160/0x160 [ 283.003597][ T2218] ? set_next_entity+0xc5/0x390 [ 283.008425][ T2218] ? io_schedule+0x120/0x120 [ 283.013002][ T2218] ? kernfs_fop_write_iter+0x15e/0x410 [ 283.018434][ T2218] ? __kasan_check_write+0x14/0x20 [ 283.023525][ T2218] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 283.028787][ T2218] cgroup_subtree_control_write+0xd19/0x1310 [ 283.034741][ T2218] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 283.040699][ T2218] ? __kasan_check_write+0x14/0x20 [ 283.045788][ T2218] ? _copy_from_iter+0x3fb/0xd60 [ 283.050703][ T2218] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 283.056656][ T2218] cgroup_file_write+0x28e/0x590 [ 283.061583][ T2218] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.066675][ T2218] ? mutex_lock+0xa6/0x110 [ 283.071066][ T2218] ? mutex_trylock+0xb0/0xb0 [ 283.075636][ T2218] ? __kasan_check_write+0x14/0x20 [ 283.080724][ T2218] kernfs_fop_write_iter+0x2d0/0x410 [ 283.085986][ T2218] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.091072][ T2218] vfs_write+0xc1c/0xf40 [ 283.095290][ T2218] ? kernel_write+0x3c0/0x3c0 [ 283.099944][ T2218] ? mutex_trylock+0xb0/0xb0 [ 283.104522][ T2218] ? __fdget_pos+0x26d/0x310 [ 283.109086][ T2218] ? ksys_write+0x77/0x2c0 [ 283.113471][ T2218] ksys_write+0x198/0x2c0 [ 283.117776][ T2218] ? __ia32_sys_read+0x90/0x90 [ 283.122512][ T2218] ? debug_smp_processor_id+0x17/0x20 [ 283.127856][ T2218] __x64_sys_write+0x7b/0x90 [ 283.132420][ T2218] do_syscall_64+0x34/0x70 [ 283.136822][ T2218] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 283.142687][ T2218] RIP: 0033:0x7fe9a8a760e9 [ 283.147081][ T2218] 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 [ 283.166663][ T2218] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 283.175092][ T2218] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 283.183057][ T2218] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 283.191139][ T2218] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.199633][ T2218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 283.207590][ T2218] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 283.216914][ T2218] !!!! css_create rcu_enqueue(ffff88811f131400) !!!! [ 283.223730][ T2218] !!!! control_disable control_disable ss name cpu [ 283.230308][ T2218] !!!! control_disable control_disable ss name memory [ 283.237141][ T2218] !!!! control_disable control_disable ss name pids [ 283.243953][ T2218] !!!! control_disable kill_css(ffff88810fd3d800) [ 283.250552][ T2218] !!!! IN kill css_get(ffff88810fd3d800) [ 283.256522][ T2218] !!!! IN kill css_get(ffff88810fd3d800) [ 283.262439][ T2218] !!!! control_disable control_disable ss name cpu [ 283.268998][ T2218] !!!! control_disable control_disable ss name memory [ 283.275819][ T2218] !!!! control_disable control_disable ss name pids [ 283.282576][ T2218] !!!! control_disable kill_css(ffff88810fd3d000) [ 283.289132][ T2218] !!!! IN kill css_get(ffff88810fd3d000) [ 283.295254][ T2218] !!!! IN kill css_get(ffff88810fd3d000) [ 283.301090][ T2218] !!!! control_disable control_disable ss name cpu [ 283.301632][ C1] !!!! css_killed_ref_fn enqueue(ffff88810fd3d800) [ 283.307988][ T2218] !!!! control_disable control_disable ss name memory [ 283.321629][ T2218] !!!! control_disable control_disable ss name cpu [ 283.328243][ T2218] !!!! control_disable control_disable ss name memory [ 283.335023][ T2218] !!!! control_disable control_disable ss name cpu [ 283.341631][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fd3d000) [ 283.348233][ T2218] !!!! control_disable control_disable ss name memory [ 283.355009][ T2218] !!!! control_disable control_disable ss name cpu [ 283.361498][ T2218] !!!! control_disable control_disable ss name memory [ 283.368320][ T2218] !!!! control_disable control_disable ss name cpu [ 283.374834][ T2218] !!!! control_disable control_disable ss name memory [ 283.382588][ T2218] !!!! control_disable control_disable ss name pids [ 283.389222][ T2218] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 283.389253][ T449] !!!! css_release_work_fn(ffff88811f0fe800) [ 283.401858][ T372] !!!! css_killed_work_fn css_put(ffff88810fd3d000) [ 283.411892][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 283.412218][ T372] !!!! css_release enqueue(ffff88810fd3d000) [ 283.418891][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 283.424998][ T372] !!!! css_release_work_fn(ffff88810fd3d000) [ 283.432322][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 283.444860][ T449] !!!! css_release_work_fn(ffff88810a08ac00) [ 283.445502][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 283.450931][ T435] !!!! css_free_rwork_fn(ffff88811ed78c00) [ 283.464021][ T435] !!!! css_free_rwork_fn(ffff88810719a800) [ 283.469954][ T435] !!!! css_free_rwork_fn(ffff88811f131400) [ 283.476135][ T435] !!!! css_killed_work_fn css_put(ffff88810fd3d800) [ 283.481676][ T372] !!!! css_free_rwork_fn(ffff88810fd3d000) [ 283.483385][ T435] !!!! css_release enqueue(ffff88810fd3d800) [ 283.495117][ T2221] !!!! css_create css ffff8881192e1000 !!!! [ 283.501124][ T2221] !!!! css_create css ffff8881192e1800 !!!! [ 283.507863][ T435] !!!! css_free_rwork_fn(ffff88811f0fe800) [ 283.508835][ T2221] !!!! css_create css ffff88810faa2c00 !!!! [ 283.520178][ T2221] FAULT_INJECTION: forcing a failure. [ 283.520178][ T2221] name failslab, interval 1, probability 0, space 0, times 0 [ 283.532786][ T2221] CPU: 0 PID: 2221 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 283.544558][ T2221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.554619][ T2221] Call Trace: [ 283.558003][ T2221] dump_stack_lvl+0x1e2/0x24b [ 283.562672][ T2221] ? bfq_pos_tree_add_move+0x43e/0x43e [ 283.568123][ T2221] dump_stack+0x15/0x17 [ 283.572253][ T2221] should_fail+0x3c0/0x510 [ 283.576732][ T2221] ? __kernfs_new_node+0x99/0x6e0 [ 283.582171][ T2221] __should_failslab+0x9f/0xe0 [ 283.586930][ T2221] should_failslab+0x9/0x20 [ 283.591423][ T2221] __kmalloc_track_caller+0x5f/0x350 [ 283.596689][ T2221] kstrdup_const+0x55/0x90 [ 283.601089][ T2221] __kernfs_new_node+0x99/0x6e0 [ 283.606092][ T2221] ? stack_trace_save+0x1f0/0x1f0 [ 283.611095][ T2221] ? kernfs_new_node+0x170/0x170 [ 283.616009][ T2221] ? ptr_to_hashval+0x60/0x60 [ 283.620758][ T2221] ? snprintf+0xd6/0x120 [ 283.624989][ T2221] kernfs_new_node+0x97/0x170 [ 283.629650][ T2221] __kernfs_create_file+0x4a/0x270 [ 283.634994][ T2221] cgroup_addrm_files+0xab8/0xfe0 [ 283.639993][ T2221] ? cgroup_apply_control_enable+0x734/0x12e0 [ 283.646033][ T2221] ? cgroup_apply_control+0x93/0x710 [ 283.651426][ T2221] ? cgroup_subtree_control_write+0xd19/0x1310 [ 283.657567][ T2221] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 283.663798][ T2221] ? delete_node+0x759/0x7b0 [ 283.668373][ T2221] ? __kasan_check_read+0x11/0x20 [ 283.673731][ T2221] ? delete_node+0x759/0x7b0 [ 283.678391][ T2221] ? __kasan_check_write+0x14/0x20 [ 283.683496][ T2221] ? __radix_tree_replace+0x246/0x2e0 [ 283.688872][ T2221] ? idr_get_next+0x4b0/0x4b0 [ 283.693536][ T2221] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 283.698549][ T2221] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 283.703736][ T2221] css_populate_dir+0x137/0x370 [ 283.708582][ T2221] cgroup_apply_control_enable+0x629/0x12e0 [ 283.714467][ T2221] cgroup_apply_control+0x93/0x710 [ 283.719769][ T2221] ? css_next_child+0x160/0x160 [ 283.724600][ T2221] ? io_schedule+0x120/0x120 [ 283.729179][ T2221] ? kernfs_fop_write_iter+0x15e/0x410 [ 283.734710][ T2221] ? __kasan_check_write+0x14/0x20 [ 283.739799][ T2221] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 283.745073][ T2221] cgroup_subtree_control_write+0xd19/0x1310 [ 283.751094][ T2221] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 283.757328][ T2221] ? __kasan_check_write+0x14/0x20 [ 283.762503][ T2221] ? _copy_from_iter+0x3fb/0xd60 [ 283.767511][ T2221] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 283.773472][ T2221] cgroup_file_write+0x28e/0x590 [ 283.778394][ T2221] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.783573][ T2221] ? mutex_lock+0xa6/0x110 [ 283.788007][ T2221] ? mutex_trylock+0xb0/0xb0 [ 283.792687][ T2221] ? __kasan_check_write+0x14/0x20 [ 283.797868][ T2221] kernfs_fop_write_iter+0x2d0/0x410 [ 283.803149][ T2221] ? cgroup_seqfile_stop+0xc0/0xc0 [ 283.808374][ T2221] vfs_write+0xc1c/0xf40 [ 283.812601][ T2221] ? kernel_write+0x3c0/0x3c0 [ 283.817268][ T2221] ? mutex_trylock+0xb0/0xb0 [ 283.821840][ T2221] ? __fdget_pos+0x26d/0x310 [ 283.826491][ T2221] ? ksys_write+0x77/0x2c0 [ 283.830909][ T2221] ksys_write+0x198/0x2c0 [ 283.835211][ T2221] ? __ia32_sys_read+0x90/0x90 [ 283.839971][ T2221] ? debug_smp_processor_id+0x17/0x20 [ 283.845346][ T2221] __x64_sys_write+0x7b/0x90 [ 283.849920][ T2221] do_syscall_64+0x34/0x70 [ 283.854318][ T2221] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 283.860219][ T2221] RIP: 0033:0x7f5d5b96a0e9 [ 283.864624][ T2221] 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 [ 283.884310][ T2221] RSP: 002b:00007f5d5b8e0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 283.892709][ T2221] RAX: ffffffffffffffda RBX: 00007f5d5ba7cf60 RCX: 00007f5d5b96a0e9 [ 283.900658][ T2221] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 283.908605][ T2221] RBP: 00007f5d5b8e01d0 R08: 0000000000000000 R09: 0000000000000000 [ 283.916555][ T2221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 283.924951][ T2221] R13: 00007ffdad7a0b4f R14: 00007f5d5b8e0300 R15: 0000000000022000 [ 283.933097][ T2221] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 283.940335][ T2221] !!!! control_disable control_disable ss name cpu [ 283.947103][ T2221] !!!! control_disable control_disable ss name memory [ 283.954069][ T2221] !!!! control_disable control_disable ss name pids [ 283.960652][ T2221] !!!! control_disable kill_css(ffff8881192e1000) [ 283.967238][ T2221] !!!! IN kill css_get(ffff8881192e1000) [ 283.973106][ T2221] !!!! IN kill css_get(ffff8881192e1000) [ 283.978869][ T2221] !!!! control_disable control_disable ss name cpu [ 283.985444][ T2221] !!!! control_disable control_disable ss name memory [ 283.992274][ T2221] !!!! control_disable control_disable ss name pids [ 283.998921][ T2221] !!!! control_disable kill_css(ffff8881192e1800) [ 284.005448][ C1] !!!! css_killed_ref_fn enqueue(ffff8881192e1000) [ 284.012191][ T2221] !!!! IN kill css_get(ffff8881192e1800) [ 284.017993][ T2221] !!!! IN kill css_get(ffff8881192e1800) [ 284.024178][ T2221] !!!! control_disable control_disable ss name cpu [ 284.030683][ T2221] !!!! control_disable control_disable ss name memory [ 284.037541][ T2221] !!!! control_disable control_disable ss name pids [ 284.044123][ T2221] !!!! control_disable kill_css(ffff88810faa2c00) [ 284.050604][ T2221] !!!! IN kill css_get(ffff88810faa2c00) [ 284.056328][ T2221] !!!! IN kill css_get(ffff88810faa2c00) [ 284.062051][ T2221] !!!! control_disable control_disable ss name cpu [ 284.068605][ T2221] !!!! control_disable control_disable ss name memory [ 284.075360][ T2221] !!!! control_disable control_disable ss name cpu [ 284.081850][ T2221] !!!! control_disable control_disable ss name memory [ 284.088583][ T2221] !!!! control_disable control_disable ss name cpu [ 284.095079][ T2221] !!!! control_disable control_disable ss name memory [ 284.101843][ T2221] !!!! control_disable control_disable ss name cpu [ 284.108314][ T2221] !!!! control_disable control_disable ss name memory [ 284.115092][ T2221] !!!! control_disable control_disable ss name pids [ 284.121732][ T2221] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 284.128217][ T435] !!!! css_release_work_fn(ffff88810fd3d800) [ 284.134310][ T435] !!!! css_free_rwork_fn(ffff88810a08ac00) [ 284.140218][ T435] !!!! css_killed_work_fn css_put(ffff8881192e1000) [ 284.147107][ T435] !!!! css_release enqueue(ffff8881192e1000) [ 284.151972][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.153407][ T435] !!!! css_release_work_fn(ffff8881192e1000) [ 284.160297][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.166094][ C1] !!!! css_killed_ref_fn enqueue(ffff8881192e1800) [ 284.166111][ C1] !!!! css_killed_ref_fn enqueue(ffff88810faa2c00) [ 284.166352][ T435] !!!! css_killed_work_fn css_put(ffff8881192e1800) [ 284.173663][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.179626][ T435] !!!! css_release enqueue(ffff8881192e1800) [ 284.187273][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.192932][ T435] !!!! css_killed_work_fn css_put(ffff88810faa2c00) [ 284.219297][ T435] !!!! css_release enqueue(ffff88810faa2c00) [ 284.225389][ T2190] !!!! css_create css ffff888105daf400 !!!! [ 284.231303][ T2190] !!!! css_create css ffff888105daec00 !!!! [ 284.237219][ T435] !!!! css_free_rwork_fn(ffff88810fd3d800) [ 284.237440][ T2190] !!!! css_create css ffff88810519fc00 !!!! [ 284.249080][ T2190] FAULT_INJECTION: forcing a failure. [ 284.249080][ T2190] name failslab, interval 1, probability 0, space 0, times 0 [ 284.261677][ T2190] CPU: 0 PID: 2190 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 284.273358][ T2190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.283558][ T2190] Call Trace: [ 284.286825][ T2190] dump_stack_lvl+0x1e2/0x24b [ 284.291475][ T2190] ? bfq_pos_tree_add_move+0x43e/0x43e [ 284.296907][ T2190] dump_stack+0x15/0x17 [ 284.301049][ T2190] should_fail+0x3c0/0x510 [ 284.305443][ T2190] ? __kernfs_new_node+0x99/0x6e0 [ 284.310449][ T2190] __should_failslab+0x9f/0xe0 [ 284.315186][ T2190] should_failslab+0x9/0x20 [ 284.319668][ T2190] __kmalloc_track_caller+0x5f/0x350 [ 284.324926][ T2190] kstrdup_const+0x55/0x90 [ 284.329311][ T2190] __kernfs_new_node+0x99/0x6e0 [ 284.334138][ T2190] ? stack_trace_save+0x1f0/0x1f0 [ 284.339140][ T2190] ? kernfs_new_node+0x170/0x170 [ 284.344062][ T2190] ? ptr_to_hashval+0x60/0x60 [ 284.348711][ T2190] ? snprintf+0xd6/0x120 [ 284.352933][ T2190] kernfs_new_node+0x97/0x170 [ 284.357580][ T2190] __kernfs_create_file+0x4a/0x270 [ 284.362688][ T2190] cgroup_addrm_files+0xab8/0xfe0 [ 284.367701][ T2190] ? cgroup_apply_control_enable+0x734/0x12e0 [ 284.373735][ T2190] ? cgroup_apply_control+0x93/0x710 [ 284.378990][ T2190] ? cgroup_subtree_control_write+0xd19/0x1310 [ 284.385135][ T2190] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 284.391262][ T2190] ? delete_node+0x759/0x7b0 [ 284.395848][ T2190] ? __kasan_check_read+0x11/0x20 [ 284.400855][ T2190] ? delete_node+0x759/0x7b0 [ 284.405436][ T2190] ? __kasan_check_write+0x14/0x20 [ 284.410536][ T2190] ? __radix_tree_replace+0x246/0x2e0 [ 284.415890][ T2190] ? idr_get_next+0x4b0/0x4b0 [ 284.420539][ T2190] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 284.425542][ T2190] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 284.430802][ T2190] css_populate_dir+0x137/0x370 [ 284.435635][ T2190] cgroup_apply_control_enable+0x629/0x12e0 [ 284.441509][ T2190] cgroup_apply_control+0x93/0x710 [ 284.446606][ T2190] ? css_next_child+0x160/0x160 [ 284.451437][ T2190] ? set_next_entity+0xc5/0x390 [ 284.456277][ T2190] ? io_schedule+0x120/0x120 [ 284.461016][ T2190] ? kernfs_fop_write_iter+0x15e/0x410 [ 284.466459][ T2190] ? __kasan_check_write+0x14/0x20 [ 284.471544][ T2190] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 284.476822][ T2190] cgroup_subtree_control_write+0xd19/0x1310 [ 284.482778][ T2190] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 284.488745][ T2190] ? __kasan_check_write+0x14/0x20 [ 284.493845][ T2190] ? _copy_from_iter+0x3fb/0xd60 [ 284.498756][ T2190] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 284.504708][ T2190] cgroup_file_write+0x28e/0x590 [ 284.509619][ T2190] ? cgroup_seqfile_stop+0xc0/0xc0 [ 284.514701][ T2190] ? mutex_lock+0xa6/0x110 [ 284.519087][ T2190] ? mutex_trylock+0xb0/0xb0 [ 284.523656][ T2190] ? __kasan_check_write+0x14/0x20 [ 284.528751][ T2190] kernfs_fop_write_iter+0x2d0/0x410 [ 284.534016][ T2190] ? cgroup_seqfile_stop+0xc0/0xc0 [ 284.539096][ T2190] vfs_write+0xc1c/0xf40 [ 284.543412][ T2190] ? kernel_write+0x3c0/0x3c0 [ 284.548062][ T2190] ? mutex_trylock+0xb0/0xb0 [ 284.552623][ T2190] ? __fdget_pos+0x26d/0x310 [ 284.557193][ T2190] ? ksys_write+0x77/0x2c0 [ 284.561581][ T2190] ksys_write+0x198/0x2c0 [ 284.565901][ T2190] ? __ia32_sys_read+0x90/0x90 [ 284.570637][ T2190] ? debug_smp_processor_id+0x17/0x20 [ 284.575981][ T2190] __x64_sys_write+0x7b/0x90 [ 284.580543][ T2190] do_syscall_64+0x34/0x70 [ 284.584930][ T2190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 284.590806][ T2190] RIP: 0033:0x7f75104510e9 [ 284.595210][ T2190] 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 [ 284.614889][ T2190] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 284.623296][ T2190] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 284.631337][ T2190] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 284.639305][ T2190] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 284.647354][ T2190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 284.655307][ T2190] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 284.663941][ T2190] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 284.671069][ T2190] !!!! control_disable control_disable ss name cpu [ 284.677647][ T2190] !!!! control_disable control_disable ss name memory [ 284.684481][ T2190] !!!! control_disable control_disable ss name pids [ 284.691096][ T2190] !!!! control_disable kill_css(ffff888105daf400) [ 284.697704][ T2190] !!!! IN kill css_get(ffff888105daf400) [ 284.703492][ T2190] !!!! IN kill css_get(ffff888105daf400) [ 284.709225][ T2190] !!!! control_disable control_disable ss name cpu [ 284.715783][ T2190] !!!! control_disable control_disable ss name memory [ 284.722746][ T2190] !!!! control_disable control_disable ss name pids [ 284.729345][ T2190] !!!! control_disable kill_css(ffff888105daec00) [ 284.735936][ T2190] !!!! IN kill css_get(ffff888105daec00) [ 284.741679][ C1] !!!! css_killed_ref_fn enqueue(ffff888105daf400) [ 284.748269][ T2190] !!!! IN kill css_get(ffff888105daec00) [ 284.754004][ T2190] !!!! control_disable control_disable ss name cpu [ 284.760491][ T2190] !!!! control_disable control_disable ss name memory [ 284.767257][ T2190] !!!! control_disable control_disable ss name pids [ 284.773842][ T2190] !!!! control_disable kill_css(ffff88810519fc00) [ 284.780314][ T2190] !!!! IN kill css_get(ffff88810519fc00) [ 284.786032][ T2190] !!!! IN kill css_get(ffff88810519fc00) [ 284.791754][ T2190] !!!! control_disable control_disable ss name cpu [ 284.798352][ T2190] !!!! control_disable control_disable ss name memory [ 284.805144][ T2190] !!!! control_disable control_disable ss name cpu [ 284.811704][ T2190] !!!! control_disable control_disable ss name memory [ 284.818538][ T2190] !!!! control_disable control_disable ss name cpu [ 284.825051][ T2190] !!!! control_disable control_disable ss name memory [ 284.831829][ T2190] !!!! control_disable control_disable ss name cpu [ 284.838305][ T2190] !!!! control_disable control_disable ss name memory [ 284.845072][ T2190] !!!! control_disable control_disable ss name pids [ 284.851878][ T435] !!!! css_release_work_fn(ffff8881192e1800) [ 284.852492][ T2190] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 284.857936][ T435] !!!! css_free_rwork_fn(ffff8881192e1000) [ 284.857948][ T435] !!!! css_release_work_fn(ffff88810faa2c00) [ 284.876556][ C1] !!!! css_killed_ref_fn enqueue(ffff888105daec00) [ 284.876574][ C1] !!!! css_killed_ref_fn enqueue(ffff88810519fc00) [ 284.889776][ T435] !!!! css_killed_work_fn css_put(ffff888105daf400) [ 284.897270][ T435] !!!! css_release enqueue(ffff888105daf400) [ 284.901554][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.903836][ T449] !!!! css_killed_work_fn css_put(ffff888105daec00) [ 284.910496][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.917151][ T449] !!!! css_release enqueue(ffff888105daec00) [ 284.924476][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.930009][ T449] !!!! css_killed_work_fn css_put(ffff88810519fc00) [ 284.937631][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 284.945721][ T449] !!!! css_release enqueue(ffff88810519fc00) [ 284.958507][ T2226] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 284.961654][ T2223] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 284.965106][ T2217] !!!! css_create css ffff88811ed02400 !!!! [ 284.977445][ T435] !!!! css_free_rwork_fn(ffff8881192e1800) [ 284.983550][ T2217] !!!! css_create css ffff88811ed02000 !!!! [ 284.989463][ T2217] !!!! css_create css ffff88811ed01c00 !!!! [ 284.995540][ T2217] FAULT_INJECTION: forcing a failure. [ 284.995540][ T2217] name failslab, interval 1, probability 0, space 0, times 0 [ 285.008282][ T2217] CPU: 1 PID: 2217 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 285.019891][ T2217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.029926][ T2217] Call Trace: [ 285.033199][ T2217] dump_stack_lvl+0x1e2/0x24b [ 285.037852][ T2217] ? bfq_pos_tree_add_move+0x43e/0x43e [ 285.043288][ T2217] dump_stack+0x15/0x17 [ 285.047425][ T2217] should_fail+0x3c0/0x510 [ 285.051820][ T2217] ? __kernfs_new_node+0x99/0x6e0 [ 285.056821][ T2217] __should_failslab+0x9f/0xe0 [ 285.061563][ T2217] should_failslab+0x9/0x20 [ 285.066143][ T2217] __kmalloc_track_caller+0x5f/0x350 [ 285.071421][ T2217] kstrdup_const+0x55/0x90 [ 285.075812][ T2217] __kernfs_new_node+0x99/0x6e0 [ 285.080635][ T2217] ? stack_trace_save+0x1f0/0x1f0 [ 285.085647][ T2217] ? kernfs_new_node+0x170/0x170 [ 285.090559][ T2217] ? ptr_to_hashval+0x60/0x60 [ 285.095219][ T2217] ? snprintf+0xd6/0x120 [ 285.099435][ T2217] kernfs_new_node+0x97/0x170 [ 285.104084][ T2217] __kernfs_create_file+0x4a/0x270 [ 285.109171][ T2217] cgroup_addrm_files+0xab8/0xfe0 [ 285.114169][ T2217] ? cgroup_apply_control_enable+0x734/0x12e0 [ 285.120206][ T2217] ? cgroup_apply_control+0x93/0x710 [ 285.125466][ T2217] ? cgroup_subtree_control_write+0xd19/0x1310 [ 285.131597][ T2217] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 285.137731][ T2217] ? delete_node+0x759/0x7b0 [ 285.142294][ T2217] ? __kasan_check_read+0x11/0x20 [ 285.147309][ T2217] ? delete_node+0x759/0x7b0 [ 285.151882][ T2217] ? __kasan_check_write+0x14/0x20 [ 285.156974][ T2217] ? __radix_tree_replace+0x246/0x2e0 [ 285.162328][ T2217] ? idr_get_next+0x4b0/0x4b0 [ 285.166987][ T2217] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 285.172075][ T2217] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 285.177263][ T2217] css_populate_dir+0x137/0x370 [ 285.182205][ T2217] cgroup_apply_control_enable+0x629/0x12e0 [ 285.188079][ T2217] cgroup_apply_control+0x93/0x710 [ 285.193179][ T2217] ? css_next_child+0x160/0x160 [ 285.198279][ T2217] ? set_next_entity+0xc5/0x390 [ 285.203117][ T2217] ? io_schedule+0x120/0x120 [ 285.207694][ T2217] ? kernfs_fop_write_iter+0x15e/0x410 [ 285.213130][ T2217] ? __kasan_check_write+0x14/0x20 [ 285.218223][ T2217] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 285.223484][ T2217] cgroup_subtree_control_write+0xd19/0x1310 [ 285.229457][ T2217] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.235415][ T2217] ? __kasan_check_write+0x14/0x20 [ 285.240510][ T2217] ? _copy_from_iter+0x3fb/0xd60 [ 285.245686][ T2217] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.251649][ T2217] cgroup_file_write+0x28e/0x590 [ 285.256604][ T2217] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.261691][ T2217] ? mutex_lock+0xa6/0x110 [ 285.266082][ T2217] ? mutex_trylock+0xb0/0xb0 [ 285.270660][ T2217] ? __kasan_check_write+0x14/0x20 [ 285.275749][ T2217] kernfs_fop_write_iter+0x2d0/0x410 [ 285.281011][ T2217] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.286130][ T2217] vfs_write+0xc1c/0xf40 [ 285.290433][ T2217] ? kernel_write+0x3c0/0x3c0 [ 285.295085][ T2217] ? mutex_trylock+0xb0/0xb0 [ 285.300174][ T2217] ? __fdget_pos+0x26d/0x310 [ 285.304746][ T2217] ? ksys_write+0x77/0x2c0 [ 285.309142][ T2217] ksys_write+0x198/0x2c0 [ 285.313451][ T2217] ? __ia32_sys_read+0x90/0x90 [ 285.318190][ T2217] ? debug_smp_processor_id+0x17/0x20 [ 285.323546][ T2217] __x64_sys_write+0x7b/0x90 [ 285.328114][ T2217] do_syscall_64+0x34/0x70 [ 285.332509][ T2217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 285.338375][ T2217] RIP: 0033:0x7f2fc06ba0e9 [ 285.342782][ T2217] 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 [ 285.362392][ T2217] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 285.371417][ T2217] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 285.379369][ T2217] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 285.387328][ T2217] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 285.395274][ T2217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 285.403220][ T2217] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 285.411270][ T2217] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 285.418533][ T2217] !!!! control_disable control_disable ss name cpu [ 285.425081][ T2217] !!!! control_disable control_disable ss name memory [ 285.431961][ T2217] !!!! control_disable control_disable ss name pids [ 285.438589][ T2217] !!!! control_disable kill_css(ffff88811ed02400) [ 285.445541][ T2217] !!!! IN kill css_get(ffff88811ed02400) [ 285.451248][ T2217] !!!! IN kill css_get(ffff88811ed02400) [ 285.457233][ T2217] !!!! control_disable control_disable ss name cpu [ 285.463747][ T2217] !!!! control_disable control_disable ss name memory [ 285.470500][ T2217] !!!! control_disable control_disable ss name pids [ 285.477116][ T2217] !!!! control_disable kill_css(ffff88811ed02000) [ 285.483671][ T2217] !!!! IN kill css_get(ffff88811ed02000) [ 285.489361][ T2217] !!!! IN kill css_get(ffff88811ed02000) [ 285.495092][ T2217] !!!! control_disable control_disable ss name cpu [ 285.501680][ T2217] !!!! control_disable control_disable ss name memory [ 285.508413][ T2217] !!!! control_disable control_disable ss name pids [ 285.515002][ T2217] !!!! control_disable kill_css(ffff88811ed01c00) [ 285.521494][ T2217] !!!! IN kill css_get(ffff88811ed01c00) [ 285.527268][ T2217] !!!! IN kill css_get(ffff88811ed01c00) [ 285.533005][ T2217] !!!! control_disable control_disable ss name cpu [ 285.539487][ T2217] !!!! control_disable control_disable ss name memory [ 285.546425][ T2217] !!!! control_disable control_disable ss name cpu [ 285.552925][ T2217] !!!! control_disable control_disable ss name memory [ 285.559757][ T2217] !!!! control_disable control_disable ss name cpu [ 285.566313][ T2217] !!!! control_disable control_disable ss name memory [ 285.573167][ T2217] !!!! control_disable control_disable ss name cpu [ 285.579745][ T2217] !!!! control_disable control_disable ss name memory [ 285.586900][ T2217] !!!! control_disable control_disable ss name pids [ 285.593511][ T2217] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 285.593711][ T19] !!!! css_release_work_fn(ffff888105daf400) [ 285.603884][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed02400) [ 285.606236][ T19] !!!! css_release_work_fn(ffff888105daec00) [ 285.612824][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed02000) [ 285.620074][ T19] !!!! css_free_rwork_fn(ffff88810faa2c00) [ 285.626581][ T372] !!!! css_killed_work_fn css_put(ffff88811ed02400) [ 285.634352][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.641624][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ed01c00) [ 285.646668][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.654709][ T372] !!!! css_release enqueue(ffff88811ed02400) [ 285.660336][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.666075][ T382] !!!! css_killed_work_fn css_put(ffff88811ed02000) [ 285.673340][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.680892][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.693318][ T382] !!!! css_release enqueue(ffff88811ed02000) [ 285.694195][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.706414][ T19] !!!! css_release_work_fn(ffff88810519fc00) [ 285.706826][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.712813][ T449] !!!! css_free_rwork_fn(ffff888105daf400) [ 285.719930][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 285.725877][ T19] !!!! css_free_rwork_fn(ffff888105daec00) [ 285.732252][ T372] !!!! css_killed_work_fn css_put(ffff88811ed01c00) [ 285.744990][ T372] !!!! css_release enqueue(ffff88811ed01c00) [ 285.751093][ T372] !!!! css_release_work_fn(ffff88811ed02400) [ 285.757529][ T2232] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 285.757715][ T2234] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 285.764303][ T2210] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 285.771104][ T2224] !!!! css_create css ffff8881079ae800 !!!! [ 285.777504][ T19] !!!! css_free_rwork_fn(ffff88810519fc00) [ 285.783650][ T2224] !!!! css_create css ffff8881079af000 !!!! [ 285.795402][ T2224] !!!! css_create css ffff8881079ae400 !!!! [ 285.801766][ T2224] FAULT_INJECTION: forcing a failure. [ 285.801766][ T2224] name failslab, interval 1, probability 0, space 0, times 0 [ 285.814557][ T2224] CPU: 0 PID: 2224 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 285.826454][ T2224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.836491][ T2224] Call Trace: [ 285.839769][ T2224] dump_stack_lvl+0x1e2/0x24b [ 285.844442][ T2224] ? bfq_pos_tree_add_move+0x43e/0x43e [ 285.849991][ T2224] ? find_next_bit+0xd6/0x120 [ 285.854646][ T2224] ? cpumask_next+0x11/0x30 [ 285.859135][ T2224] dump_stack+0x15/0x17 [ 285.863441][ T2224] should_fail+0x3c0/0x510 [ 285.867943][ T2224] ? percpu_ref_init+0xd0/0x330 [ 285.872782][ T2224] __should_failslab+0x9f/0xe0 [ 285.877523][ T2224] should_failslab+0x9/0x20 [ 285.882002][ T2224] kmem_cache_alloc_trace+0x3a/0x330 [ 285.887304][ T2224] percpu_ref_init+0xd0/0x330 [ 285.891976][ T2224] ? cgroup_setup_root+0xea0/0xea0 [ 285.897081][ T2224] cgroup_apply_control_enable+0x734/0x12e0 [ 285.902976][ T2224] cgroup_apply_control+0x93/0x710 [ 285.908165][ T2224] ? css_next_child+0x160/0x160 [ 285.913716][ T2224] ? io_schedule+0x120/0x120 [ 285.918295][ T2224] ? kernfs_fop_write_iter+0x15e/0x410 [ 285.923855][ T2224] ? __kasan_check_write+0x14/0x20 [ 285.928948][ T2224] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 285.934320][ T2224] cgroup_subtree_control_write+0xd19/0x1310 [ 285.940372][ T2224] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.946418][ T2224] ? __kasan_check_write+0x14/0x20 [ 285.951628][ T2224] ? _copy_from_iter+0x3fb/0xd60 [ 285.956544][ T2224] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 285.962526][ T2224] cgroup_file_write+0x28e/0x590 [ 285.967460][ T2224] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.972556][ T2224] ? mutex_lock+0xa6/0x110 [ 285.976955][ T2224] ? mutex_trylock+0xb0/0xb0 [ 285.981535][ T2224] ? __kasan_check_write+0x14/0x20 [ 285.986624][ T2224] kernfs_fop_write_iter+0x2d0/0x410 [ 285.991887][ T2224] ? cgroup_seqfile_stop+0xc0/0xc0 [ 285.996975][ T2224] vfs_write+0xc1c/0xf40 [ 286.001293][ T2224] ? kernel_write+0x3c0/0x3c0 [ 286.006069][ T2224] ? mutex_trylock+0xb0/0xb0 [ 286.010642][ T2224] ? __fdget_pos+0x26d/0x310 [ 286.015209][ T2224] ? ksys_write+0x77/0x2c0 [ 286.019610][ T2224] ksys_write+0x198/0x2c0 [ 286.023915][ T2224] ? __ia32_sys_read+0x90/0x90 [ 286.028665][ T2224] ? debug_smp_processor_id+0x17/0x20 [ 286.034012][ T2224] __x64_sys_write+0x7b/0x90 [ 286.038587][ T2224] do_syscall_64+0x34/0x70 [ 286.042977][ T2224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 286.048844][ T2224] RIP: 0033:0x7fe9a8a760e9 [ 286.053237][ T2224] 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 [ 286.072821][ T2224] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.081407][ T2224] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 286.089358][ T2224] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 286.097327][ T2224] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.105274][ T2224] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 286.113223][ T2224] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 286.121698][ T2224] !!!! css_create rcu_enqueue(ffff8881079ae400) !!!! [ 286.128487][ T2224] !!!! control_disable control_disable ss name cpu [ 286.135165][ T2224] !!!! control_disable control_disable ss name memory [ 286.141960][ T2224] !!!! control_disable control_disable ss name pids [ 286.148552][ T2224] !!!! control_disable kill_css(ffff8881079ae800) [ 286.155227][ T2224] !!!! IN kill css_get(ffff8881079ae800) [ 286.161212][ T2224] !!!! IN kill css_get(ffff8881079ae800) [ 286.166983][ T2224] !!!! control_disable control_disable ss name cpu [ 286.173501][ T2224] !!!! control_disable control_disable ss name memory [ 286.180261][ T2224] !!!! control_disable control_disable ss name pids [ 286.186876][ T2224] !!!! control_disable kill_css(ffff8881079af000) [ 286.193789][ T2224] !!!! IN kill css_get(ffff8881079af000) [ 286.199519][ T2224] !!!! IN kill css_get(ffff8881079af000) [ 286.205392][ T2224] !!!! control_disable control_disable ss name cpu [ 286.212005][ C0] !!!! css_killed_ref_fn enqueue(ffff8881079ae800) [ 286.218611][ T2224] !!!! control_disable control_disable ss name memory [ 286.225397][ T2224] !!!! control_disable control_disable ss name cpu [ 286.231917][ T2224] !!!! control_disable control_disable ss name memory [ 286.238664][ T2224] !!!! control_disable control_disable ss name cpu [ 286.245200][ T2224] !!!! control_disable control_disable ss name memory [ 286.251992][ T2224] !!!! control_disable control_disable ss name cpu [ 286.258570][ T2224] !!!! control_disable control_disable ss name memory [ 286.265515][ C0] !!!! css_killed_ref_fn enqueue(ffff8881079af000) [ 286.272134][ T2224] !!!! control_disable control_disable ss name cpu [ 286.278631][ T2224] !!!! control_disable control_disable ss name memory [ 286.285482][ T2224] !!!! control_disable control_disable ss name pids [ 286.292085][ T2224] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 286.298572][ T372] !!!! css_release_work_fn(ffff88811ed02000) [ 286.304685][ T372] !!!! css_release_work_fn(ffff88811ed01c00) [ 286.310796][ T372] !!!! css_free_rwork_fn(ffff88811ed02400) [ 286.315902][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 286.316743][ T372] !!!! css_free_rwork_fn(ffff8881079ae400) [ 286.324007][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 286.329546][ T372] !!!! css_killed_work_fn css_put(ffff8881079ae800) [ 286.337259][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 286.343137][ T372] !!!! css_release enqueue(ffff8881079ae800) [ 286.350633][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 286.356090][ T372] !!!! css_killed_work_fn css_put(ffff8881079af000) [ 286.369603][ T372] !!!! css_release enqueue(ffff8881079af000) [ 286.375925][ T2229] !!!! css_create css ffff88811eed8800 !!!! [ 286.382141][ T2229] !!!! css_create css ffff88810c085c00 !!!! [ 286.388125][ T2229] !!!! css_create css ffff88810c086400 !!!! [ 286.394131][ T2229] FAULT_INJECTION: forcing a failure. [ 286.394131][ T2229] name failslab, interval 1, probability 0, space 0, times 0 [ 286.406837][ T2229] CPU: 1 PID: 2229 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 286.418525][ T2229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.428557][ T2229] Call Trace: [ 286.431831][ T2229] dump_stack_lvl+0x1e2/0x24b [ 286.436482][ T2229] ? bfq_pos_tree_add_move+0x43e/0x43e [ 286.441921][ T2229] dump_stack+0x15/0x17 [ 286.446331][ T2229] should_fail+0x3c0/0x510 [ 286.450737][ T2229] ? __kernfs_new_node+0x99/0x6e0 [ 286.455740][ T2229] __should_failslab+0x9f/0xe0 [ 286.460565][ T2229] should_failslab+0x9/0x20 [ 286.465133][ T2229] __kmalloc_track_caller+0x5f/0x350 [ 286.470490][ T2229] kstrdup_const+0x55/0x90 [ 286.474885][ T2229] __kernfs_new_node+0x99/0x6e0 [ 286.479719][ T2229] ? stack_trace_save+0x1f0/0x1f0 [ 286.484720][ T2229] ? kernfs_new_node+0x170/0x170 [ 286.489720][ T2229] ? ptr_to_hashval+0x60/0x60 [ 286.494481][ T2229] ? snprintf+0xd6/0x120 [ 286.498707][ T2229] kernfs_new_node+0x97/0x170 [ 286.503466][ T2229] __kernfs_create_file+0x4a/0x270 [ 286.508564][ T2229] cgroup_addrm_files+0xab8/0xfe0 [ 286.513565][ T2229] ? cgroup_apply_control_enable+0x734/0x12e0 [ 286.519616][ T2229] ? cgroup_apply_control+0x93/0x710 [ 286.524898][ T2229] ? cgroup_subtree_control_write+0xd19/0x1310 [ 286.531035][ T2229] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 286.537425][ T2229] ? delete_node+0x759/0x7b0 [ 286.542019][ T2229] ? __kasan_check_read+0x11/0x20 [ 286.547016][ T2229] ? delete_node+0x759/0x7b0 [ 286.551665][ T2229] ? __kasan_check_write+0x14/0x20 [ 286.556765][ T2229] ? __radix_tree_replace+0x246/0x2e0 [ 286.562136][ T2229] ? idr_get_next+0x4b0/0x4b0 [ 286.566789][ T2229] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 286.571787][ T2229] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 286.576986][ T2229] css_populate_dir+0x137/0x370 [ 286.581837][ T2229] cgroup_apply_control_enable+0x629/0x12e0 [ 286.587704][ T2229] cgroup_apply_control+0x93/0x710 [ 286.592814][ T2229] ? css_next_child+0x160/0x160 [ 286.597637][ T2229] ? dequeue_task_fair+0x7ad/0xb50 [ 286.602741][ T2229] ? io_schedule+0x120/0x120 [ 286.607343][ T2229] ? kernfs_fop_write_iter+0x15e/0x410 [ 286.612792][ T2229] ? __kasan_check_write+0x14/0x20 [ 286.617945][ T2229] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 286.623212][ T2229] cgroup_subtree_control_write+0xd19/0x1310 [ 286.629172][ T2229] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 286.635130][ T2229] ? __kasan_check_write+0x14/0x20 [ 286.640229][ T2229] ? _copy_from_iter+0x3fb/0xd60 [ 286.645239][ T2229] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 286.651282][ T2229] cgroup_file_write+0x28e/0x590 [ 286.656196][ T2229] ? cgroup_seqfile_stop+0xc0/0xc0 [ 286.661283][ T2229] ? mutex_lock+0xa6/0x110 [ 286.665669][ T2229] ? mutex_trylock+0xb0/0xb0 [ 286.670245][ T2229] ? __kasan_check_write+0x14/0x20 [ 286.675324][ T2229] kernfs_fop_write_iter+0x2d0/0x410 [ 286.680579][ T2229] ? cgroup_seqfile_stop+0xc0/0xc0 [ 286.685659][ T2229] vfs_write+0xc1c/0xf40 [ 286.689871][ T2229] ? kernel_write+0x3c0/0x3c0 [ 286.694519][ T2229] ? mutex_trylock+0xb0/0xb0 [ 286.699076][ T2229] ? __fdget_pos+0x26d/0x310 [ 286.703634][ T2229] ? ksys_write+0x77/0x2c0 [ 286.708018][ T2229] ksys_write+0x198/0x2c0 [ 286.712325][ T2229] ? __ia32_sys_read+0x90/0x90 [ 286.717073][ T2229] ? debug_smp_processor_id+0x17/0x20 [ 286.722426][ T2229] __x64_sys_write+0x7b/0x90 [ 286.727001][ T2229] do_syscall_64+0x34/0x70 [ 286.731406][ T2229] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 286.737272][ T2229] RIP: 0033:0x7f5d5b96a0e9 [ 286.741672][ T2229] 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 [ 286.761335][ T2229] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.769841][ T2229] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 286.777799][ T2229] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 286.785752][ T2229] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.793695][ T2229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 286.801642][ T2229] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 286.810393][ T2229] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 286.817523][ T2229] !!!! control_disable control_disable ss name cpu [ 286.824091][ T2229] !!!! control_disable control_disable ss name memory [ 286.830867][ T2229] !!!! control_disable control_disable ss name pids [ 286.837619][ T2229] !!!! control_disable kill_css(ffff88811eed8800) [ 286.844406][ T2229] !!!! IN kill css_get(ffff88811eed8800) [ 286.850135][ T2229] !!!! IN kill css_get(ffff88811eed8800) [ 286.855902][ T2229] !!!! control_disable control_disable ss name cpu [ 286.862471][ T2229] !!!! control_disable control_disable ss name memory [ 286.869210][ T2229] !!!! control_disable control_disable ss name pids [ 286.875806][ T2229] !!!! control_disable kill_css(ffff88810c085c00) [ 286.882317][ C1] !!!! css_killed_ref_fn enqueue(ffff88811eed8800) [ 286.888944][ T2229] !!!! IN kill css_get(ffff88810c085c00) [ 286.894673][ T2229] !!!! IN kill css_get(ffff88810c085c00) [ 286.900383][ T2229] !!!! control_disable control_disable ss name cpu [ 286.906888][ T2229] !!!! control_disable control_disable ss name memory [ 286.913651][ T2229] !!!! control_disable control_disable ss name pids [ 286.920207][ T2229] !!!! control_disable kill_css(ffff88810c086400) [ 286.926700][ T2229] !!!! IN kill css_get(ffff88810c086400) [ 286.932424][ T2229] !!!! IN kill css_get(ffff88810c086400) [ 286.938130][ T2229] !!!! control_disable control_disable ss name cpu [ 286.944633][ T2229] !!!! control_disable control_disable ss name memory [ 286.951379][ T2229] !!!! control_disable control_disable ss name cpu [ 286.957901][ T2229] !!!! control_disable control_disable ss name memory [ 286.964709][ T2229] !!!! control_disable control_disable ss name cpu [ 286.971195][ T2229] !!!! control_disable control_disable ss name memory [ 286.977962][ T2229] !!!! control_disable control_disable ss name cpu [ 286.984459][ T2229] !!!! control_disable control_disable ss name memory [ 286.991189][ T2229] !!!! control_disable control_disable ss name pids [ 286.997879][ T2229] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 286.999085][ T372] !!!! css_release_work_fn(ffff8881079ae800) [ 287.010479][ T435] !!!! css_killed_work_fn css_put(ffff88811eed8800) [ 287.010484][ T372] !!!! css_free_rwork_fn(ffff88811ed02000) [ 287.010498][ T372] !!!! css_free_rwork_fn(ffff88811ed01c00) [ 287.018320][ T435] !!!! css_release enqueue(ffff88811eed8800) [ 287.023610][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.032795][ T19] !!!! css_release_work_fn(ffff88811eed8800) [ 287.035433][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.043053][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.048354][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.054749][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c085c00) [ 287.062330][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.068429][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c086400) [ 287.088734][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.088905][ T19] !!!! css_killed_work_fn css_put(ffff88810c085c00) [ 287.096017][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.102619][ T19] !!!! css_release enqueue(ffff88810c085c00) [ 287.109850][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.122164][ T372] !!!! css_release_work_fn(ffff8881079af000) [ 287.128689][ T34] !!!! css_free_rwork_fn(ffff8881079ae800) [ 287.129777][ T19] !!!! css_killed_work_fn css_put(ffff88810c086400) [ 287.141494][ T19] !!!! css_release enqueue(ffff88810c086400) [ 287.147749][ T449] !!!! css_release_work_fn(ffff88810c085c00) [ 287.154131][ T449] !!!! css_free_rwork_fn(ffff88811eed8800) [ 287.154147][ T2212] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 287.160044][ T2234] !!!! css_create css ffff88810c087c00 !!!! [ 287.166590][ T34] !!!! css_free_rwork_fn(ffff8881079af000) [ 287.172793][ T2234] !!!! css_create css ffff88810c085400 !!!! [ 287.184301][ T2234] !!!! css_create css ffff88810c798400 !!!! [ 287.190193][ T2234] FAULT_INJECTION: forcing a failure. [ 287.190193][ T2234] name failslab, interval 1, probability 0, space 0, times 0 [ 287.203030][ T2234] CPU: 1 PID: 2234 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 287.214638][ T2234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.224668][ T2234] Call Trace: [ 287.227999][ T2234] dump_stack_lvl+0x1e2/0x24b [ 287.232653][ T2234] ? bfq_pos_tree_add_move+0x43e/0x43e [ 287.238082][ T2234] ? serial8250_console_write+0xae0/0xe60 [ 287.243777][ T2234] ? record_print_text+0x266/0x420 [ 287.248875][ T2234] dump_stack+0x15/0x17 [ 287.253021][ T2234] should_fail+0x3c0/0x510 [ 287.257415][ T2234] ? __kernfs_new_node+0x99/0x6e0 [ 287.262411][ T2234] __should_failslab+0x9f/0xe0 [ 287.267150][ T2234] should_failslab+0x9/0x20 [ 287.271648][ T2234] __kmalloc_track_caller+0x5f/0x350 [ 287.276925][ T2234] kstrdup_const+0x55/0x90 [ 287.281359][ T2234] __kernfs_new_node+0x99/0x6e0 [ 287.286197][ T2234] ? stack_trace_save+0x1f0/0x1f0 [ 287.291220][ T2234] ? kernfs_new_node+0x170/0x170 [ 287.296136][ T2234] ? ptr_to_hashval+0x60/0x60 [ 287.300789][ T2234] ? snprintf+0xd6/0x120 [ 287.305021][ T2234] kernfs_new_node+0x97/0x170 [ 287.309678][ T2234] __kernfs_create_file+0x4a/0x270 [ 287.314852][ T2234] cgroup_addrm_files+0xab8/0xfe0 [ 287.319941][ T2234] ? cgroup_apply_control_enable+0x734/0x12e0 [ 287.325992][ T2234] ? cgroup_apply_control+0x93/0x710 [ 287.331255][ T2234] ? cgroup_subtree_control_write+0xd19/0x1310 [ 287.337410][ T2234] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 287.343560][ T2234] ? delete_node+0x759/0x7b0 [ 287.348229][ T2234] ? __kasan_check_read+0x11/0x20 [ 287.353236][ T2234] ? delete_node+0x759/0x7b0 [ 287.357818][ T2234] ? __kasan_check_write+0x14/0x20 [ 287.362908][ T2234] ? __radix_tree_replace+0x246/0x2e0 [ 287.368258][ T2234] ? idr_get_next+0x4b0/0x4b0 [ 287.372910][ T2234] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 287.377907][ T2234] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 287.383096][ T2234] css_populate_dir+0x137/0x370 [ 287.387943][ T2234] cgroup_apply_control_enable+0x629/0x12e0 [ 287.393818][ T2234] cgroup_apply_control+0x93/0x710 [ 287.398906][ T2234] ? css_next_child+0x160/0x160 [ 287.403733][ T2234] ? io_schedule+0x120/0x120 [ 287.408295][ T2234] ? kernfs_fop_write_iter+0x15e/0x410 [ 287.413735][ T2234] ? __kasan_check_write+0x14/0x20 [ 287.418841][ T2234] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 287.424103][ T2234] cgroup_subtree_control_write+0xd19/0x1310 [ 287.430077][ T2234] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 287.436066][ T2234] ? __kasan_check_write+0x14/0x20 [ 287.441152][ T2234] ? _copy_from_iter+0x3fb/0xd60 [ 287.446059][ T2234] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 287.452008][ T2234] cgroup_file_write+0x28e/0x590 [ 287.456943][ T2234] ? cgroup_seqfile_stop+0xc0/0xc0 [ 287.462113][ T2234] ? mutex_lock+0xa6/0x110 [ 287.466510][ T2234] ? mutex_trylock+0xb0/0xb0 [ 287.471180][ T2234] ? __kasan_check_write+0x14/0x20 [ 287.476273][ T2234] kernfs_fop_write_iter+0x2d0/0x410 [ 287.481531][ T2234] ? cgroup_seqfile_stop+0xc0/0xc0 [ 287.486625][ T2234] vfs_write+0xc1c/0xf40 [ 287.490854][ T2234] ? kernel_write+0x3c0/0x3c0 [ 287.495517][ T2234] ? mutex_trylock+0xb0/0xb0 [ 287.500082][ T2234] ? __fdget_pos+0x26d/0x310 [ 287.504671][ T2234] ? ksys_write+0x77/0x2c0 [ 287.509069][ T2234] ksys_write+0x198/0x2c0 [ 287.513380][ T2234] ? __ia32_sys_read+0x90/0x90 [ 287.518126][ T2234] ? debug_smp_processor_id+0x17/0x20 [ 287.523475][ T2234] __x64_sys_write+0x7b/0x90 [ 287.528056][ T2234] do_syscall_64+0x34/0x70 [ 287.532450][ T2234] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 287.538316][ T2234] RIP: 0033:0x7f75104510e9 [ 287.542723][ T2234] 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 [ 287.562302][ T2234] RSP: 002b:00007f75103c7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.570704][ T2234] RAX: ffffffffffffffda RBX: 00007f7510563f60 RCX: 00007f75104510e9 [ 287.578652][ T2234] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 287.586608][ T2234] RBP: 00007f75103c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 287.594554][ T2234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 287.602503][ T2234] R13: 00007ffd3f2651cf R14: 00007f75103c7300 R15: 0000000000022000 [ 287.610717][ T2234] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 287.617761][ T2234] !!!! control_disable control_disable ss name cpu [ 287.624275][ T2234] !!!! control_disable control_disable ss name memory [ 287.631121][ T2234] !!!! control_disable control_disable ss name pids [ 287.637785][ T2234] !!!! control_disable kill_css(ffff88810c087c00) [ 287.644440][ T2234] !!!! IN kill css_get(ffff88810c087c00) [ 287.650213][ T2234] !!!! IN kill css_get(ffff88810c087c00) [ 287.656003][ T2234] !!!! control_disable control_disable ss name cpu [ 287.662582][ T2234] !!!! control_disable control_disable ss name memory [ 287.669462][ T2234] !!!! control_disable control_disable ss name pids [ 287.676238][ T2234] !!!! control_disable kill_css(ffff88810c085400) [ 287.682900][ T2234] !!!! IN kill css_get(ffff88810c085400) [ 287.688631][ T2234] !!!! IN kill css_get(ffff88810c085400) [ 287.691632][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c087c00) [ 287.694604][ T2234] !!!! control_disable control_disable ss name cpu [ 287.707445][ T2234] !!!! control_disable control_disable ss name memory [ 287.714219][ T2234] !!!! control_disable control_disable ss name pids [ 287.720792][ T2234] !!!! control_disable kill_css(ffff88810c798400) [ 287.727318][ T2234] !!!! IN kill css_get(ffff88810c798400) [ 287.733045][ T2234] !!!! IN kill css_get(ffff88810c798400) [ 287.738830][ T2234] !!!! control_disable control_disable ss name cpu [ 287.745337][ T2234] !!!! control_disable control_disable ss name memory [ 287.752147][ T2234] !!!! control_disable control_disable ss name cpu [ 287.758621][ T2234] !!!! control_disable control_disable ss name memory [ 287.765390][ T2234] !!!! control_disable control_disable ss name cpu [ 287.771972][ T2234] !!!! control_disable control_disable ss name memory [ 287.778729][ T2234] !!!! control_disable control_disable ss name cpu [ 287.785227][ T2234] !!!! control_disable control_disable ss name memory 2022/06/08 04:04:39 executed programs: 639 [ 287.791980][ T2234] !!!! control_disable control_disable ss name pids [ 287.798584][ T2234] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 287.805131][ T449] !!!! css_release_work_fn(ffff88810c086400) [ 287.811226][ T34] !!!! css_killed_work_fn css_put(ffff88810c087c00) [ 287.811242][ T449] !!!! css_free_rwork_fn(ffff88810c085c00) [ 287.817930][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c085400) [ 287.818667][ T34] !!!! css_release enqueue(ffff88810c087c00) [ 287.836539][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c798400) [ 287.836562][ T34] !!!! css_release_work_fn(ffff88810c087c00) [ 287.844553][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.856298][ T449] !!!! css_killed_work_fn css_put(ffff88810c085400) [ 287.856434][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.863048][ T449] !!!! css_release enqueue(ffff88810c085400) [ 287.870535][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.876104][ T449] !!!! css_killed_work_fn css_put(ffff88810c798400) [ 287.883513][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 287.889685][ T449] !!!! css_release enqueue(ffff88810c798400) [ 287.896894][ T34] !!!! css_free_rwork_fn(ffff88810c087c00) [ 287.902608][ T449] !!!! css_free_rwork_fn(ffff88810c086400) [ 287.908536][ T2219] !!!! css_create css ffff88810a434000 !!!! [ 287.920286][ T2219] !!!! css_create css ffff88810caf0800 !!!! [ 287.926361][ T2219] !!!! css_create css ffff88810caf2800 !!!! [ 287.932289][ T2219] FAULT_INJECTION: forcing a failure. [ 287.932289][ T2219] name failslab, interval 1, probability 0, space 0, times 0 [ 287.944897][ T2219] CPU: 0 PID: 2219 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 287.956503][ T2219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.966550][ T2219] Call Trace: [ 287.969819][ T2219] dump_stack_lvl+0x1e2/0x24b [ 287.974488][ T2219] ? bfq_pos_tree_add_move+0x43e/0x43e [ 287.979947][ T2219] dump_stack+0x15/0x17 [ 287.984074][ T2219] should_fail+0x3c0/0x510 [ 287.988461][ T2219] ? __kernfs_new_node+0x99/0x6e0 [ 287.993480][ T2219] __should_failslab+0x9f/0xe0 [ 287.998224][ T2219] should_failslab+0x9/0x20 [ 288.002703][ T2219] __kmalloc_track_caller+0x5f/0x350 [ 288.007977][ T2219] kstrdup_const+0x55/0x90 [ 288.012385][ T2219] __kernfs_new_node+0x99/0x6e0 [ 288.017302][ T2219] ? stack_trace_save+0x1f0/0x1f0 [ 288.022310][ T2219] ? kernfs_new_node+0x170/0x170 [ 288.027234][ T2219] ? ptr_to_hashval+0x60/0x60 [ 288.031899][ T2219] ? snprintf+0xd6/0x120 [ 288.036121][ T2219] kernfs_new_node+0x97/0x170 [ 288.040779][ T2219] __kernfs_create_file+0x4a/0x270 [ 288.045882][ T2219] cgroup_addrm_files+0xab8/0xfe0 [ 288.050993][ T2219] ? cgroup_apply_control_enable+0x734/0x12e0 [ 288.057049][ T2219] ? cgroup_apply_control+0x93/0x710 [ 288.062318][ T2219] ? cgroup_subtree_control_write+0xd19/0x1310 [ 288.068574][ T2219] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 288.074707][ T2219] ? delete_node+0x759/0x7b0 [ 288.079283][ T2219] ? __kasan_check_read+0x11/0x20 [ 288.084301][ T2219] ? delete_node+0x759/0x7b0 [ 288.088872][ T2219] ? __kasan_check_write+0x14/0x20 [ 288.094052][ T2219] ? __radix_tree_replace+0x246/0x2e0 [ 288.099405][ T2219] ? idr_get_next+0x4b0/0x4b0 [ 288.104069][ T2219] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 288.109085][ T2219] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 288.114274][ T2219] css_populate_dir+0x137/0x370 [ 288.119109][ T2219] cgroup_apply_control_enable+0x629/0x12e0 [ 288.124982][ T2219] cgroup_apply_control+0x93/0x710 [ 288.130069][ T2219] ? css_next_child+0x160/0x160 [ 288.134897][ T2219] ? set_next_entity+0xc5/0x390 [ 288.139729][ T2219] ? io_schedule+0x120/0x120 [ 288.144298][ T2219] ? kernfs_fop_write_iter+0x15e/0x410 [ 288.149731][ T2219] ? __kasan_check_write+0x14/0x20 [ 288.154824][ T2219] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 288.160078][ T2219] cgroup_subtree_control_write+0xd19/0x1310 [ 288.166044][ T2219] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.172000][ T2219] ? __kasan_check_write+0x14/0x20 [ 288.177085][ T2219] ? _copy_from_iter+0x3fb/0xd60 [ 288.181996][ T2219] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.187947][ T2219] cgroup_file_write+0x28e/0x590 [ 288.192854][ T2219] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.197937][ T2219] ? mutex_lock+0xa6/0x110 [ 288.202325][ T2219] ? mutex_trylock+0xb0/0xb0 [ 288.206889][ T2219] ? __kasan_check_write+0x14/0x20 [ 288.211971][ T2219] kernfs_fop_write_iter+0x2d0/0x410 [ 288.217228][ T2219] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.222318][ T2219] vfs_write+0xc1c/0xf40 [ 288.226542][ T2219] ? kernel_write+0x3c0/0x3c0 [ 288.231191][ T2219] ? mutex_trylock+0xb0/0xb0 [ 288.235764][ T2219] ? __fdget_pos+0x26d/0x310 [ 288.240333][ T2219] ? ksys_write+0x77/0x2c0 [ 288.244729][ T2219] ksys_write+0x198/0x2c0 [ 288.249035][ T2219] ? __ia32_sys_read+0x90/0x90 [ 288.253775][ T2219] ? debug_smp_processor_id+0x17/0x20 [ 288.259125][ T2219] __x64_sys_write+0x7b/0x90 [ 288.263704][ T2219] do_syscall_64+0x34/0x70 [ 288.268097][ T2219] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 288.273964][ T2219] RIP: 0033:0x7fccade130e9 [ 288.278451][ T2219] 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 [ 288.298117][ T2219] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 288.306504][ T2219] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 288.314459][ T2219] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 288.322403][ T2219] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 288.330348][ T2219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 288.338306][ T2219] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 288.347611][ T2219] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 288.354706][ T2219] !!!! control_disable control_disable ss name cpu [ 288.361331][ T2219] !!!! control_disable control_disable ss name memory [ 288.368264][ T2219] !!!! control_disable control_disable ss name pids [ 288.375010][ T2219] !!!! control_disable kill_css(ffff88810a434000) [ 288.381661][ T2219] !!!! IN kill css_get(ffff88810a434000) [ 288.387380][ T2219] !!!! IN kill css_get(ffff88810a434000) [ 288.393111][ T2219] !!!! control_disable control_disable ss name cpu [ 288.399601][ T2219] !!!! control_disable control_disable ss name memory [ 288.406385][ T2219] !!!! control_disable control_disable ss name pids [ 288.413091][ T2219] !!!! control_disable kill_css(ffff88810caf0800) [ 288.419595][ T2219] !!!! IN kill css_get(ffff88810caf0800) [ 288.425312][ T2219] !!!! IN kill css_get(ffff88810caf0800) [ 288.431018][ T2219] !!!! control_disable control_disable ss name cpu [ 288.437526][ T2219] !!!! control_disable control_disable ss name memory [ 288.444279][ T2219] !!!! control_disable control_disable ss name pids [ 288.450838][ T2219] !!!! control_disable kill_css(ffff88810caf2800) [ 288.457339][ T2219] !!!! IN kill css_get(ffff88810caf2800) [ 288.463054][ T2219] !!!! IN kill css_get(ffff88810caf2800) [ 288.468753][ T2219] !!!! control_disable control_disable ss name cpu [ 288.475268][ T2219] !!!! control_disable control_disable ss name memory [ 288.482055][ T2219] !!!! control_disable control_disable ss name cpu [ 288.488614][ T2219] !!!! control_disable control_disable ss name memory [ 288.495519][ T2219] !!!! control_disable control_disable ss name cpu [ 288.502037][ C0] !!!! css_killed_ref_fn enqueue(ffff88810a434000) [ 288.508648][ T2219] !!!! control_disable control_disable ss name memory [ 288.515427][ T2219] !!!! control_disable control_disable ss name cpu [ 288.521955][ C0] !!!! css_killed_ref_fn enqueue(ffff88810caf0800) [ 288.521974][ C0] !!!! css_killed_ref_fn enqueue(ffff88810caf2800) [ 288.535425][ T2219] !!!! control_disable control_disable ss name memory [ 288.542291][ T2219] !!!! control_disable control_disable ss name pids [ 288.548889][ T2219] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 288.548926][ T449] !!!! css_release_work_fn(ffff88810c085400) [ 288.561488][ T34] !!!! css_killed_work_fn css_put(ffff88810a434000) [ 288.572089][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 288.579028][ T34] !!!! css_release enqueue(ffff88810a434000) [ 288.579249][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 288.585184][ T34] !!!! css_killed_work_fn css_put(ffff88810caf0800) [ 288.592943][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 288.598701][ T34] !!!! css_release enqueue(ffff88810caf0800) [ 288.606206][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 288.618499][ T449] !!!! css_release_work_fn(ffff88810c798400) [ 288.624596][ T449] !!!! css_free_rwork_fn(ffff88810c085400) [ 288.624686][ T34] !!!! css_killed_work_fn css_put(ffff88810caf2800) [ 288.637249][ T34] !!!! css_release enqueue(ffff88810caf2800) [ 288.643381][ T2242] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 288.643565][ T2240] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 288.649896][ T2235] !!!! css_create css ffff8881081d5000 !!!! [ 288.657113][ T449] !!!! css_free_rwork_fn(ffff88810c798400) [ 288.662517][ T2235] !!!! css_create css ffff8881081d7000 !!!! [ 288.674258][ T2235] !!!! css_create css ffff8881081d5400 !!!! [ 288.680165][ T2235] FAULT_INJECTION: forcing a failure. [ 288.680165][ T2235] name failslab, interval 1, probability 0, space 0, times 0 [ 288.692766][ T2235] CPU: 0 PID: 2235 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 288.704388][ T2235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.714434][ T2235] Call Trace: [ 288.717730][ T2235] dump_stack_lvl+0x1e2/0x24b [ 288.722388][ T2235] ? bfq_pos_tree_add_move+0x43e/0x43e [ 288.727834][ T2235] ? serial8250_console_write+0xae0/0xe60 [ 288.733556][ T2235] ? record_print_text+0x266/0x420 [ 288.738647][ T2235] dump_stack+0x15/0x17 [ 288.742787][ T2235] should_fail+0x3c0/0x510 [ 288.747178][ T2235] ? __kernfs_new_node+0x99/0x6e0 [ 288.752176][ T2235] __should_failslab+0x9f/0xe0 [ 288.756912][ T2235] should_failslab+0x9/0x20 [ 288.761396][ T2235] __kmalloc_track_caller+0x5f/0x350 [ 288.766665][ T2235] kstrdup_const+0x55/0x90 [ 288.771058][ T2235] __kernfs_new_node+0x99/0x6e0 [ 288.775905][ T2235] ? stack_trace_save+0x1f0/0x1f0 [ 288.780921][ T2235] ? kernfs_new_node+0x170/0x170 [ 288.785886][ T2235] ? ptr_to_hashval+0x60/0x60 [ 288.790561][ T2235] ? snprintf+0xd6/0x120 [ 288.794791][ T2235] kernfs_new_node+0x97/0x170 [ 288.799462][ T2235] __kernfs_create_file+0x4a/0x270 [ 288.804551][ T2235] cgroup_addrm_files+0xab8/0xfe0 [ 288.809555][ T2235] ? cgroup_apply_control_enable+0x734/0x12e0 [ 288.815595][ T2235] ? cgroup_apply_control+0x93/0x710 [ 288.820861][ T2235] ? cgroup_subtree_control_write+0xd19/0x1310 [ 288.827000][ T2235] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 288.833135][ T2235] ? delete_node+0x759/0x7b0 [ 288.837701][ T2235] ? __kasan_check_read+0x11/0x20 [ 288.842708][ T2235] ? delete_node+0x759/0x7b0 [ 288.847277][ T2235] ? __kasan_check_write+0x14/0x20 [ 288.852368][ T2235] ? __radix_tree_replace+0x246/0x2e0 [ 288.857716][ T2235] ? idr_get_next+0x4b0/0x4b0 [ 288.862394][ T2235] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 288.867403][ T2235] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 288.872591][ T2235] css_populate_dir+0x137/0x370 [ 288.877429][ T2235] cgroup_apply_control_enable+0x629/0x12e0 [ 288.883309][ T2235] cgroup_apply_control+0x93/0x710 [ 288.888396][ T2235] ? css_next_child+0x160/0x160 [ 288.893237][ T2235] ? io_schedule+0x120/0x120 [ 288.897802][ T2235] ? kernfs_fop_write_iter+0x15e/0x410 [ 288.903253][ T2235] ? __kasan_check_write+0x14/0x20 [ 288.908398][ T2235] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 288.913883][ T2235] cgroup_subtree_control_write+0xd19/0x1310 [ 288.919890][ T2235] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.925859][ T2235] ? __kasan_check_write+0x14/0x20 [ 288.930948][ T2235] ? _copy_from_iter+0x3fb/0xd60 [ 288.935889][ T2235] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 288.942716][ T2235] cgroup_file_write+0x28e/0x590 [ 288.947726][ T2235] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.952814][ T2235] ? mutex_lock+0xa6/0x110 [ 288.957229][ T2235] ? mutex_trylock+0xb0/0xb0 [ 288.961830][ T2235] ? __kasan_check_write+0x14/0x20 [ 288.967119][ T2235] kernfs_fop_write_iter+0x2d0/0x410 [ 288.972480][ T2235] ? cgroup_seqfile_stop+0xc0/0xc0 [ 288.977579][ T2235] vfs_write+0xc1c/0xf40 [ 288.981834][ T2235] ? kernel_write+0x3c0/0x3c0 [ 288.986605][ T2235] ? mutex_trylock+0xb0/0xb0 [ 288.991278][ T2235] ? __fdget_pos+0x26d/0x310 [ 288.996115][ T2235] ? ksys_write+0x77/0x2c0 [ 289.000532][ T2235] ksys_write+0x198/0x2c0 [ 289.004894][ T2235] ? __ia32_sys_read+0x90/0x90 [ 289.009657][ T2235] ? debug_smp_processor_id+0x17/0x20 [ 289.015006][ T2235] __x64_sys_write+0x7b/0x90 [ 289.019621][ T2235] do_syscall_64+0x34/0x70 [ 289.024028][ T2235] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 289.030003][ T2235] RIP: 0033:0x7f2fc06ba0e9 [ 289.034409][ T2235] 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 [ 289.054866][ T2235] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 289.063265][ T2235] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 289.071393][ T2235] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 289.079439][ T2235] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 289.087405][ T2235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 289.095579][ T2235] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 289.104034][ T2235] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 289.111082][ T2235] !!!! control_disable control_disable ss name cpu [ 289.117650][ T2235] !!!! control_disable control_disable ss name memory [ 289.124466][ T2235] !!!! control_disable control_disable ss name pids [ 289.131062][ T2235] !!!! control_disable kill_css(ffff8881081d5000) [ 289.137614][ T2235] !!!! IN kill css_get(ffff8881081d5000) [ 289.143424][ T2235] !!!! IN kill css_get(ffff8881081d5000) [ 289.149237][ T2235] !!!! control_disable control_disable ss name cpu [ 289.155764][ T2235] !!!! control_disable control_disable ss name memory [ 289.162553][ T2235] !!!! control_disable control_disable ss name pids [ 289.169208][ T2235] !!!! control_disable kill_css(ffff8881081d7000) [ 289.175953][ T2235] !!!! IN kill css_get(ffff8881081d7000) [ 289.181686][ T2235] !!!! IN kill css_get(ffff8881081d7000) [ 289.187397][ T2235] !!!! control_disable control_disable ss name cpu [ 289.193931][ T2235] !!!! control_disable control_disable ss name memory [ 289.200776][ T2235] !!!! control_disable control_disable ss name pids [ 289.207651][ T2235] !!!! control_disable kill_css(ffff8881081d5400) [ 289.214363][ T2235] !!!! IN kill css_get(ffff8881081d5400) [ 289.220077][ T2235] !!!! IN kill css_get(ffff8881081d5400) [ 289.225819][ T2235] !!!! control_disable control_disable ss name cpu [ 289.232599][ T2235] !!!! control_disable control_disable ss name memory [ 289.239438][ T2235] !!!! control_disable control_disable ss name cpu [ 289.245972][ T2235] !!!! control_disable control_disable ss name memory [ 289.253177][ T2235] !!!! control_disable control_disable ss name cpu [ 289.259964][ T2235] !!!! control_disable control_disable ss name memory [ 289.266960][ T2235] !!!! control_disable control_disable ss name cpu [ 289.273468][ T2235] !!!! control_disable control_disable ss name memory [ 289.280749][ T2235] !!!! control_disable control_disable ss name pids [ 289.287550][ T2235] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 289.294271][ T34] !!!! css_release_work_fn(ffff88810a434000) [ 289.300525][ T34] !!!! css_release_work_fn(ffff88810caf0800) [ 289.306619][ C0] !!!! css_killed_ref_fn enqueue(ffff8881081d5000) [ 289.306640][ C0] !!!! css_killed_ref_fn enqueue(ffff8881081d7000) [ 289.320276][ T34] !!!! css_release_work_fn(ffff88810caf2800) [ 289.326567][ T34] !!!! css_killed_work_fn css_put(ffff8881081d5000) [ 289.331827][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 289.333265][ C0] !!!! css_killed_ref_fn enqueue(ffff8881081d5400) [ 289.340309][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 289.346865][ T34] !!!! css_release enqueue(ffff8881081d5000) [ 289.354652][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 289.359890][ T34] !!!! css_killed_work_fn css_put(ffff8881081d7000) [ 289.369070][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 289.374517][ T34] !!!! css_release enqueue(ffff8881081d7000) [ 289.388127][ T382] !!!! css_killed_work_fn css_put(ffff8881081d5400) [ 289.395188][ T382] !!!! css_release enqueue(ffff8881081d5400) [ 289.401282][ T2243] !!!! css_create css ffff8881081d7800 !!!! [ 289.407315][ T2243] !!!! css_create css ffff888121d5a400 !!!! [ 289.413476][ T2243] !!!! css_create css ffff88810cc01800 !!!! [ 289.419525][ T2243] FAULT_INJECTION: forcing a failure. [ 289.419525][ T2243] name failslab, interval 1, probability 0, space 0, times 0 [ 289.432285][ T2243] CPU: 1 PID: 2243 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 289.444152][ T2243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.454211][ T2243] Call Trace: [ 289.457488][ T2243] dump_stack_lvl+0x1e2/0x24b [ 289.462147][ T2243] ? bfq_pos_tree_add_move+0x43e/0x43e [ 289.467590][ T2243] dump_stack+0x15/0x17 [ 289.471730][ T2243] should_fail+0x3c0/0x510 [ 289.476119][ T2243] ? __kernfs_new_node+0x99/0x6e0 [ 289.481119][ T2243] __should_failslab+0x9f/0xe0 [ 289.485873][ T2243] should_failslab+0x9/0x20 [ 289.490348][ T2243] __kmalloc_track_caller+0x5f/0x350 [ 289.495604][ T2243] kstrdup_const+0x55/0x90 [ 289.500616][ T2243] __kernfs_new_node+0x99/0x6e0 [ 289.505445][ T2243] ? stack_trace_save+0x1f0/0x1f0 [ 289.510462][ T2243] ? kernfs_new_node+0x170/0x170 [ 289.515375][ T2243] ? ptr_to_hashval+0x60/0x60 [ 289.520028][ T2243] ? snprintf+0xd6/0x120 [ 289.524247][ T2243] kernfs_new_node+0x97/0x170 [ 289.529350][ T2243] __kernfs_create_file+0x4a/0x270 [ 289.534568][ T2243] cgroup_addrm_files+0xab8/0xfe0 [ 289.539759][ T2243] ? cgroup_apply_control_enable+0x734/0x12e0 [ 289.546150][ T2243] ? cgroup_apply_control+0x93/0x710 [ 289.551720][ T2243] ? cgroup_subtree_control_write+0xd19/0x1310 [ 289.558220][ T2243] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 289.565237][ T2243] ? delete_node+0x759/0x7b0 [ 289.569895][ T2243] ? __kasan_check_read+0x11/0x20 [ 289.575161][ T2243] ? delete_node+0x759/0x7b0 [ 289.579837][ T2243] ? __kasan_check_write+0x14/0x20 [ 289.584927][ T2243] ? __radix_tree_replace+0x246/0x2e0 [ 289.590274][ T2243] ? idr_get_next+0x4b0/0x4b0 [ 289.594930][ T2243] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 289.599925][ T2243] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 289.605103][ T2243] css_populate_dir+0x137/0x370 [ 289.609928][ T2243] cgroup_apply_control_enable+0x629/0x12e0 [ 289.615902][ T2243] cgroup_apply_control+0x93/0x710 [ 289.621007][ T2243] ? css_next_child+0x160/0x160 [ 289.625856][ T2243] ? set_next_entity+0xc5/0x390 [ 289.630690][ T2243] ? io_schedule+0x120/0x120 [ 289.635271][ T2243] ? kernfs_fop_write_iter+0x15e/0x410 [ 289.640719][ T2243] ? __kasan_check_write+0x14/0x20 [ 289.645824][ T2243] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 289.651087][ T2243] cgroup_subtree_control_write+0xd19/0x1310 [ 289.657057][ T2243] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 289.664501][ T2243] ? __kasan_check_write+0x14/0x20 [ 289.669588][ T2243] ? _copy_from_iter+0x3fb/0xd60 [ 289.674503][ T2243] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 289.680517][ T2243] cgroup_file_write+0x28e/0x590 [ 289.685449][ T2243] ? cgroup_seqfile_stop+0xc0/0xc0 [ 289.690540][ T2243] ? mutex_lock+0xa6/0x110 [ 289.694929][ T2243] ? mutex_trylock+0xb0/0xb0 [ 289.699514][ T2243] ? __kasan_check_write+0x14/0x20 [ 289.704601][ T2243] kernfs_fop_write_iter+0x2d0/0x410 [ 289.709867][ T2243] ? cgroup_seqfile_stop+0xc0/0xc0 [ 289.714954][ T2243] vfs_write+0xc1c/0xf40 [ 289.719170][ T2243] ? kernel_write+0x3c0/0x3c0 [ 289.723828][ T2243] ? mutex_trylock+0xb0/0xb0 [ 289.728411][ T2243] ? __fdget_pos+0x26d/0x310 [ 289.732999][ T2243] ? ksys_write+0x77/0x2c0 [ 289.737402][ T2243] ksys_write+0x198/0x2c0 [ 289.741714][ T2243] ? __ia32_sys_read+0x90/0x90 [ 289.746456][ T2243] ? debug_smp_processor_id+0x17/0x20 [ 289.751814][ T2243] __x64_sys_write+0x7b/0x90 [ 289.756433][ T2243] do_syscall_64+0x34/0x70 [ 289.760825][ T2243] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 289.766881][ T2243] RIP: 0033:0x7f5d5b96a0e9 [ 289.771282][ T2243] 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 [ 289.790974][ T2243] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 289.799732][ T2243] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 289.807684][ T2243] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 289.815633][ T2243] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 289.823582][ T2243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 289.831633][ T2243] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 289.839852][ T2243] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 289.846912][ T2243] !!!! control_disable control_disable ss name cpu [ 289.853506][ T2243] !!!! control_disable control_disable ss name memory [ 289.860238][ T2243] !!!! control_disable control_disable ss name pids [ 289.866834][ T2243] !!!! control_disable kill_css(ffff8881081d7800) [ 289.873370][ T2243] !!!! IN kill css_get(ffff8881081d7800) [ 289.879065][ T2243] !!!! IN kill css_get(ffff8881081d7800) [ 289.884828][ T2243] !!!! control_disable control_disable ss name cpu [ 289.891316][ T2243] !!!! control_disable control_disable ss name memory [ 289.898126][ T2243] !!!! control_disable control_disable ss name pids [ 289.904721][ T2243] !!!! control_disable kill_css(ffff888121d5a400) [ 289.911222][ T2243] !!!! IN kill css_get(ffff888121d5a400) [ 289.916946][ T2243] !!!! IN kill css_get(ffff888121d5a400) [ 289.922726][ T2243] !!!! control_disable control_disable ss name cpu [ 289.931242][ T2243] !!!! control_disable control_disable ss name memory [ 289.938030][ T2243] !!!! control_disable control_disable ss name pids [ 289.944630][ C1] !!!! css_killed_ref_fn enqueue(ffff8881081d7800) [ 289.951235][ T2243] !!!! control_disable kill_css(ffff88810cc01800) [ 289.957756][ T2243] !!!! IN kill css_get(ffff88810cc01800) [ 289.963512][ C1] !!!! css_killed_ref_fn enqueue(ffff888121d5a400) [ 289.970094][ T2243] !!!! IN kill css_get(ffff88810cc01800) [ 289.975835][ T2243] !!!! control_disable control_disable ss name cpu [ 289.982346][ T2243] !!!! control_disable control_disable ss name memory [ 289.989171][ T2243] !!!! control_disable control_disable ss name cpu [ 289.995678][ T2243] !!!! control_disable control_disable ss name memory [ 290.002434][ T2243] !!!! control_disable control_disable ss name cpu [ 290.008905][ T2243] !!!! control_disable control_disable ss name memory [ 290.015745][ T2243] !!!! control_disable control_disable ss name cpu [ 290.022285][ T2243] !!!! control_disable control_disable ss name memory [ 290.029022][ T2243] !!!! control_disable control_disable ss name pids [ 290.035815][ C1] !!!! css_killed_ref_fn enqueue(ffff88810cc01800) [ 290.042595][ T2243] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 290.042622][ T34] !!!! css_release_work_fn(ffff8881081d5000) [ 290.055819][ T449] !!!! css_killed_work_fn css_put(ffff8881081d7800) [ 290.055824][ T34] !!!! css_free_rwork_fn(ffff88810a434000) [ 290.055837][ T34] !!!! css_free_rwork_fn(ffff88810caf0800) [ 290.063654][ T449] !!!! css_release enqueue(ffff8881081d7800) [ 290.072162][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.078559][ T449] !!!! css_killed_work_fn css_put(ffff888121d5a400) [ 290.080679][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.087414][ T449] !!!! css_release enqueue(ffff888121d5a400) [ 290.094744][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.113720][ T34] !!!! css_release_work_fn(ffff8881081d7000) [ 290.114575][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.119781][ T34] !!!! css_free_rwork_fn(ffff88810caf2800) [ 290.126925][ T449] !!!! css_killed_work_fn css_put(ffff88810cc01800) [ 290.139563][ T449] !!!! css_release enqueue(ffff88810cc01800) [ 290.145677][ T449] !!!! css_release_work_fn(ffff8881081d7800) [ 290.151910][ T34] !!!! css_release_work_fn(ffff8881081d5400) [ 290.158020][ T34] !!!! css_free_rwork_fn(ffff8881081d5000) [ 290.158053][ T2244] !!!! css_create css ffff88810c79f000 !!!! [ 290.163978][ T382] !!!! css_free_rwork_fn(ffff8881081d7000) [ 290.170421][ T2244] !!!! css_create css ffff88810c79f400 !!!! [ 290.181783][ T2244] !!!! css_create css ffff888113208c00 !!!! [ 290.187683][ T2244] FAULT_INJECTION: forcing a failure. [ 290.187683][ T2244] name failslab, interval 1, probability 0, space 0, times 0 [ 290.200280][ T2244] CPU: 1 PID: 2244 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 290.201635][ T382] !!!! css_free_rwork_fn(ffff8881081d5400) [ 290.211893][ T2244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.211897][ T2244] Call Trace: [ 290.211914][ T2244] dump_stack_lvl+0x1e2/0x24b [ 290.211931][ T2244] ? bfq_pos_tree_add_move+0x43e/0x43e [ 290.241184][ T2244] ? serial8250_console_write+0xae0/0xe60 [ 290.246883][ T2244] ? record_print_text+0x266/0x420 [ 290.251967][ T2244] dump_stack+0x15/0x17 [ 290.256093][ T2244] should_fail+0x3c0/0x510 [ 290.260482][ T2244] ? __kernfs_new_node+0x99/0x6e0 [ 290.265481][ T2244] __should_failslab+0x9f/0xe0 [ 290.270402][ T2244] should_failslab+0x9/0x20 [ 290.274889][ T2244] __kmalloc_track_caller+0x5f/0x350 [ 290.280147][ T2244] kstrdup_const+0x55/0x90 [ 290.284550][ T2244] __kernfs_new_node+0x99/0x6e0 [ 290.289390][ T2244] ? stack_trace_save+0x1f0/0x1f0 [ 290.294389][ T2244] ? kernfs_new_node+0x170/0x170 [ 290.299296][ T2244] ? ptr_to_hashval+0x60/0x60 [ 290.303942][ T2244] ? snprintf+0xd6/0x120 [ 290.308154][ T2244] kernfs_new_node+0x97/0x170 [ 290.314446][ T2244] __kernfs_create_file+0x4a/0x270 [ 290.319527][ T2244] cgroup_addrm_files+0xab8/0xfe0 [ 290.324523][ T2244] ? cgroup_apply_control_enable+0x734/0x12e0 [ 290.330557][ T2244] ? cgroup_apply_control+0x93/0x710 [ 290.335821][ T2244] ? cgroup_subtree_control_write+0xd19/0x1310 [ 290.342044][ T2244] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 290.348166][ T2244] ? delete_node+0x759/0x7b0 [ 290.352731][ T2244] ? __kasan_check_read+0x11/0x20 [ 290.357723][ T2244] ? delete_node+0x759/0x7b0 [ 290.362283][ T2244] ? __kasan_check_write+0x14/0x20 [ 290.367363][ T2244] ? __radix_tree_replace+0x246/0x2e0 [ 290.372706][ T2244] ? idr_get_next+0x4b0/0x4b0 [ 290.377442][ T2244] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 290.382436][ T2244] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 290.387601][ T2244] css_populate_dir+0x137/0x370 [ 290.392434][ T2244] cgroup_apply_control_enable+0x629/0x12e0 [ 290.398471][ T2244] cgroup_apply_control+0x93/0x710 [ 290.403562][ T2244] ? css_next_child+0x160/0x160 [ 290.408469][ T2244] ? dequeue_task_fair+0x7ad/0xb50 [ 290.413554][ T2244] ? io_schedule+0x120/0x120 [ 290.418112][ T2244] ? kernfs_fop_write_iter+0x15e/0x410 [ 290.423541][ T2244] ? __kasan_check_write+0x14/0x20 [ 290.428628][ T2244] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 290.433883][ T2244] cgroup_subtree_control_write+0xd19/0x1310 [ 290.439832][ T2244] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 290.445782][ T2244] ? __kasan_check_write+0x14/0x20 [ 290.450867][ T2244] ? _copy_from_iter+0x3fb/0xd60 [ 290.455773][ T2244] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 290.461729][ T2244] cgroup_file_write+0x28e/0x590 [ 290.466640][ T2244] ? cgroup_seqfile_stop+0xc0/0xc0 [ 290.471756][ T2244] ? mutex_lock+0xa6/0x110 [ 290.476139][ T2244] ? mutex_trylock+0xb0/0xb0 [ 290.480699][ T2244] ? __kasan_check_write+0x14/0x20 [ 290.485779][ T2244] kernfs_fop_write_iter+0x2d0/0x410 [ 290.491040][ T2244] ? cgroup_seqfile_stop+0xc0/0xc0 [ 290.496136][ T2244] vfs_write+0xc1c/0xf40 [ 290.500350][ T2244] ? kernel_write+0x3c0/0x3c0 [ 290.504995][ T2244] ? mutex_trylock+0xb0/0xb0 [ 290.509552][ T2244] ? __fdget_pos+0x26d/0x310 [ 290.514107][ T2244] ? ksys_write+0x77/0x2c0 [ 290.518491][ T2244] ksys_write+0x198/0x2c0 [ 290.522791][ T2244] ? __ia32_sys_read+0x90/0x90 [ 290.527523][ T2244] ? debug_smp_processor_id+0x17/0x20 [ 290.532861][ T2244] __x64_sys_write+0x7b/0x90 [ 290.537422][ T2244] do_syscall_64+0x34/0x70 [ 290.541809][ T2244] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 290.547672][ T2244] RIP: 0033:0x7fe9a8a760e9 [ 290.552069][ T2244] 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 [ 290.571642][ T2244] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 290.580032][ T2244] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 290.587972][ T2244] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 290.595932][ T2244] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 290.603974][ T2244] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 290.611917][ T2244] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 290.621208][ T2244] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 290.628418][ T2244] !!!! control_disable control_disable ss name cpu [ 290.635082][ T2244] !!!! control_disable control_disable ss name memory [ 290.641940][ T2244] !!!! control_disable control_disable ss name pids [ 290.648514][ T2244] !!!! control_disable kill_css(ffff88810c79f000) [ 290.655142][ T2244] !!!! IN kill css_get(ffff88810c79f000) [ 290.660849][ T2244] !!!! IN kill css_get(ffff88810c79f000) [ 290.666631][ T2244] !!!! control_disable control_disable ss name cpu [ 290.673161][ T2244] !!!! control_disable control_disable ss name memory [ 290.679895][ T2244] !!!! control_disable control_disable ss name pids [ 290.686563][ T2244] !!!! control_disable kill_css(ffff88810c79f400) [ 290.693107][ T2244] !!!! IN kill css_get(ffff88810c79f400) [ 290.698954][ T2244] !!!! IN kill css_get(ffff88810c79f400) [ 290.704725][ T2244] !!!! control_disable control_disable ss name cpu [ 290.711270][ T2244] !!!! control_disable control_disable ss name memory [ 290.718431][ T2244] !!!! control_disable control_disable ss name pids [ 290.725143][ T2244] !!!! control_disable kill_css(ffff888113208c00) [ 290.731659][ T2244] !!!! IN kill css_get(ffff888113208c00) [ 290.737366][ T2244] !!!! IN kill css_get(ffff888113208c00) [ 290.743104][ T2244] !!!! control_disable control_disable ss name cpu [ 290.749608][ T2244] !!!! control_disable control_disable ss name memory [ 290.757992][ T2244] !!!! control_disable control_disable ss name cpu [ 290.764511][ T2244] !!!! control_disable control_disable ss name memory [ 290.771710][ T2244] !!!! control_disable control_disable ss name cpu [ 290.778207][ T2244] !!!! control_disable control_disable ss name memory [ 290.784994][ T2244] !!!! control_disable control_disable ss name cpu [ 290.791502][ T2244] !!!! control_disable control_disable ss name memory [ 290.798366][ T2244] !!!! control_disable control_disable ss name pids [ 290.805057][ T2244] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 290.805092][ T449] !!!! css_release_work_fn(ffff888121d5a400) [ 290.813615][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c79f000) [ 290.817682][ T449] !!!! css_release_work_fn(ffff88810cc01800) [ 290.824273][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c79f400) [ 290.830332][ T449] !!!! css_free_rwork_fn(ffff8881081d7800) [ 290.836912][ C0] !!!! css_killed_ref_fn enqueue(ffff888113208c00) [ 290.849588][ T382] !!!! css_killed_work_fn css_put(ffff88810c79f000) [ 290.857337][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.864240][ T382] !!!! css_release enqueue(ffff88810c79f000) [ 290.864271][ T449] !!!! css_free_rwork_fn(ffff888121d5a400) [ 290.870305][ T382] !!!! css_killed_work_fn css_put(ffff88810c79f400) [ 290.876524][ T449] !!!! css_free_rwork_fn(ffff88810cc01800) [ 290.882955][ T382] !!!! css_release enqueue(ffff88810c79f400) [ 290.889274][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.895052][ T382] !!!! css_killed_work_fn css_put(ffff888113208c00) [ 290.902188][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.908439][ T382] !!!! css_release enqueue(ffff888113208c00) [ 290.916013][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 290.921343][ T2216] !!!! css_create css ffff8881065f0400 !!!! [ 290.934107][ T2216] !!!! css_create css ffff8881065f1400 !!!! [ 290.940004][ T2216] !!!! css_create css ffff8881045cf800 !!!! [ 290.945936][ T2216] FAULT_INJECTION: forcing a failure. [ 290.945936][ T2216] name failslab, interval 1, probability 0, space 0, times 0 [ 290.958534][ T2216] CPU: 0 PID: 2216 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 290.970133][ T2216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.980430][ T2216] Call Trace: [ 290.983712][ T2216] dump_stack_lvl+0x1e2/0x24b [ 290.988358][ T2216] ? bfq_pos_tree_add_move+0x43e/0x43e [ 290.993788][ T2216] dump_stack+0x15/0x17 [ 290.997914][ T2216] should_fail+0x3c0/0x510 [ 291.002302][ T2216] ? __kernfs_new_node+0x99/0x6e0 [ 291.007294][ T2216] __should_failslab+0x9f/0xe0 [ 291.012029][ T2216] should_failslab+0x9/0x20 [ 291.016511][ T2216] __kmalloc_track_caller+0x5f/0x350 [ 291.021781][ T2216] kstrdup_const+0x55/0x90 [ 291.026168][ T2216] __kernfs_new_node+0x99/0x6e0 [ 291.031077][ T2216] ? stack_trace_save+0x1f0/0x1f0 [ 291.036070][ T2216] ? kernfs_new_node+0x170/0x170 [ 291.040978][ T2216] ? ptr_to_hashval+0x60/0x60 [ 291.045632][ T2216] ? snprintf+0xd6/0x120 [ 291.049844][ T2216] kernfs_new_node+0x97/0x170 [ 291.054504][ T2216] __kernfs_create_file+0x4a/0x270 [ 291.059585][ T2216] cgroup_addrm_files+0xab8/0xfe0 [ 291.064598][ T2216] ? cgroup_apply_control_enable+0x734/0x12e0 [ 291.070991][ T2216] ? cgroup_apply_control+0x93/0x710 [ 291.076245][ T2216] ? cgroup_subtree_control_write+0xd19/0x1310 [ 291.082379][ T2216] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 291.088501][ T2216] ? delete_node+0x759/0x7b0 [ 291.093073][ T2216] ? __kasan_check_read+0x11/0x20 [ 291.098066][ T2216] ? delete_node+0x759/0x7b0 [ 291.102623][ T2216] ? __kasan_check_write+0x14/0x20 [ 291.107704][ T2216] ? __radix_tree_replace+0x246/0x2e0 [ 291.113046][ T2216] ? idr_get_next+0x4b0/0x4b0 [ 291.117696][ T2216] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 291.122689][ T2216] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 291.127861][ T2216] css_populate_dir+0x137/0x370 [ 291.132686][ T2216] cgroup_apply_control_enable+0x629/0x12e0 [ 291.138553][ T2216] cgroup_apply_control+0x93/0x710 [ 291.143638][ T2216] ? css_next_child+0x160/0x160 [ 291.148457][ T2216] ? set_next_entity+0xc5/0x390 [ 291.153280][ T2216] ? io_schedule+0x120/0x120 [ 291.157840][ T2216] ? kernfs_fop_write_iter+0x15e/0x410 [ 291.163272][ T2216] ? __kasan_check_write+0x14/0x20 [ 291.168357][ T2216] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 291.173633][ T2216] cgroup_subtree_control_write+0xd19/0x1310 [ 291.179594][ T2216] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.185544][ T2216] ? __kasan_check_write+0x14/0x20 [ 291.190639][ T2216] ? _copy_from_iter+0x3fb/0xd60 [ 291.195550][ T2216] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.201499][ T2216] cgroup_file_write+0x28e/0x590 [ 291.206406][ T2216] ? cgroup_seqfile_stop+0xc0/0xc0 [ 291.211504][ T2216] ? mutex_lock+0xa6/0x110 [ 291.215902][ T2216] ? mutex_trylock+0xb0/0xb0 [ 291.220484][ T2216] ? __kasan_check_write+0x14/0x20 [ 291.225569][ T2216] kernfs_fop_write_iter+0x2d0/0x410 [ 291.231709][ T2216] ? cgroup_seqfile_stop+0xc0/0xc0 [ 291.236885][ T2216] vfs_write+0xc1c/0xf40 [ 291.241098][ T2216] ? kernel_write+0x3c0/0x3c0 [ 291.245754][ T2216] ? mutex_trylock+0xb0/0xb0 [ 291.250313][ T2216] ? __fdget_pos+0x26d/0x310 [ 291.254873][ T2216] ? ksys_write+0x77/0x2c0 [ 291.259270][ T2216] ksys_write+0x198/0x2c0 [ 291.263569][ T2216] ? __ia32_sys_read+0x90/0x90 [ 291.268303][ T2216] ? debug_smp_processor_id+0x17/0x20 [ 291.273645][ T2216] __x64_sys_write+0x7b/0x90 [ 291.278206][ T2216] do_syscall_64+0x34/0x70 [ 291.282596][ T2216] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 291.288461][ T2216] RIP: 0033:0x7ff3e27b70e9 [ 291.292850][ T2216] 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 [ 291.312429][ T2216] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 291.320811][ T2216] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 291.328756][ T2216] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 291.336712][ T2216] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 291.345022][ T2216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 291.352981][ T2216] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 291.361289][ T2216] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 291.368696][ T2216] !!!! control_disable control_disable ss name cpu [ 291.375256][ T2216] !!!! control_disable control_disable ss name memory [ 291.382143][ T2216] !!!! control_disable control_disable ss name pids [ 291.388743][ T2216] !!!! control_disable kill_css(ffff8881065f0400) [ 291.395420][ T2216] !!!! IN kill css_get(ffff8881065f0400) [ 291.401123][ T2216] !!!! IN kill css_get(ffff8881065f0400) [ 291.407037][ T2216] !!!! control_disable control_disable ss name cpu [ 291.413702][ T2216] !!!! control_disable control_disable ss name memory [ 291.420465][ T2216] !!!! control_disable control_disable ss name pids [ 291.427078][ T2216] !!!! control_disable kill_css(ffff8881065f1400) [ 291.433606][ T2216] !!!! IN kill css_get(ffff8881065f1400) [ 291.439413][ T2216] !!!! IN kill css_get(ffff8881065f1400) [ 291.445183][ T2216] !!!! control_disable control_disable ss name cpu [ 291.451701][ T2216] !!!! control_disable control_disable ss name memory [ 291.458435][ T2216] !!!! control_disable control_disable ss name pids [ 291.465040][ T2216] !!!! control_disable kill_css(ffff8881045cf800) [ 291.471520][ T2216] !!!! IN kill css_get(ffff8881045cf800) [ 291.477257][ T2216] !!!! IN kill css_get(ffff8881045cf800) [ 291.482975][ T2216] !!!! control_disable control_disable ss name cpu [ 291.489443][ T2216] !!!! control_disable control_disable ss name memory [ 291.496709][ T2216] !!!! control_disable control_disable ss name cpu [ 291.503313][ T2216] !!!! control_disable control_disable ss name memory [ 291.510314][ T2216] !!!! control_disable control_disable ss name cpu [ 291.517005][ T2216] !!!! control_disable control_disable ss name memory [ 291.523944][ T2216] !!!! control_disable control_disable ss name cpu [ 291.530645][ T2216] !!!! control_disable control_disable ss name memory [ 291.538210][ T2216] !!!! control_disable control_disable ss name pids [ 291.544843][ T382] !!!! css_release_work_fn(ffff88810c79f000) [ 291.550906][ T382] !!!! css_release_work_fn(ffff88810c79f400) [ 291.551689][ C1] !!!! css_killed_ref_fn enqueue(ffff8881065f0400) [ 291.556994][ T2216] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 291.570065][ T382] !!!! css_release_work_fn(ffff888113208c00) [ 291.576167][ C0] !!!! css_killed_ref_fn enqueue(ffff8881065f1400) [ 291.576184][ C0] !!!! css_killed_ref_fn enqueue(ffff8881045cf800) [ 291.589777][ T19] !!!! css_killed_work_fn css_put(ffff8881065f0400) [ 291.596560][ T19] !!!! css_release enqueue(ffff8881065f0400) [ 291.597693][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 291.603666][ T19] !!!! css_release_work_fn(ffff8881065f0400) [ 291.612499][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 291.622530][ T382] !!!! css_killed_work_fn css_put(ffff8881065f1400) [ 291.623742][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 291.629265][ T382] !!!! css_release enqueue(ffff8881065f1400) [ 291.637036][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 291.642939][ T382] !!!! css_killed_work_fn css_put(ffff8881045cf800) [ 291.653072][ T19] !!!! css_free_rwork_fn(ffff8881065f0400) [ 291.656393][ T382] !!!! css_release enqueue(ffff8881045cf800) [ 291.668214][ T382] !!!! css_free_rwork_fn(ffff88810c79f000) [ 291.671941][ T2256] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 291.674143][ T2253] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 291.681147][ T2256] !!!! css_create css ffff888119d4f400 !!!! [ 291.688391][ T372] !!!! css_free_rwork_fn(ffff88810c79f400) [ 291.693446][ T2256] !!!! css_create css ffff888119d4c800 !!!! [ 291.699455][ T372] !!!! css_free_rwork_fn(ffff888113208c00) [ 291.705258][ T2256] !!!! css_create css ffff888119d4e800 !!!! [ 291.717042][ T2256] FAULT_INJECTION: forcing a failure. [ 291.717042][ T2256] name failslab, interval 1, probability 0, space 0, times 0 [ 291.729831][ T2256] CPU: 0 PID: 2256 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 291.741432][ T2256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.751469][ T2256] Call Trace: [ 291.754745][ T2256] dump_stack_lvl+0x1e2/0x24b [ 291.759399][ T2256] ? bfq_pos_tree_add_move+0x43e/0x43e [ 291.764846][ T2256] dump_stack+0x15/0x17 [ 291.769247][ T2256] should_fail+0x3c0/0x510 [ 291.773651][ T2256] ? __kernfs_new_node+0x99/0x6e0 [ 291.778667][ T2256] __should_failslab+0x9f/0xe0 [ 291.783411][ T2256] should_failslab+0x9/0x20 [ 291.787901][ T2256] __kmalloc_track_caller+0x5f/0x350 [ 291.793178][ T2256] kstrdup_const+0x55/0x90 [ 291.797567][ T2256] __kernfs_new_node+0x99/0x6e0 [ 291.802403][ T2256] ? stack_trace_save+0x1f0/0x1f0 [ 291.807404][ T2256] ? kernfs_new_node+0x170/0x170 [ 291.812320][ T2256] ? ptr_to_hashval+0x60/0x60 [ 291.816970][ T2256] ? snprintf+0xd6/0x120 [ 291.821188][ T2256] ? debug_smp_processor_id+0x17/0x20 [ 291.826542][ T2256] kernfs_new_node+0x97/0x170 [ 291.831196][ T2256] __kernfs_create_file+0x4a/0x270 [ 291.836300][ T2256] cgroup_addrm_files+0xab8/0xfe0 [ 291.841314][ T2256] ? cgroup_apply_control_enable+0x734/0x12e0 [ 291.847365][ T2256] ? cgroup_apply_control+0x93/0x710 [ 291.852637][ T2256] ? cgroup_subtree_control_write+0xd19/0x1310 [ 291.858787][ T2256] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 291.864914][ T2256] ? delete_node+0x759/0x7b0 [ 291.869489][ T2256] ? __kasan_check_read+0x11/0x20 [ 291.874488][ T2256] ? delete_node+0x759/0x7b0 [ 291.879065][ T2256] ? __kasan_check_write+0x14/0x20 [ 291.884151][ T2256] ? __radix_tree_replace+0x246/0x2e0 [ 291.889502][ T2256] ? idr_get_next+0x4b0/0x4b0 [ 291.894154][ T2256] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 291.899169][ T2256] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 291.904345][ T2256] css_populate_dir+0x137/0x370 [ 291.909170][ T2256] cgroup_apply_control_enable+0x629/0x12e0 [ 291.915039][ T2256] cgroup_apply_control+0x93/0x710 [ 291.920124][ T2256] ? css_next_child+0x160/0x160 [ 291.924950][ T2256] ? io_schedule+0x120/0x120 [ 291.929517][ T2256] ? kernfs_fop_write_iter+0x15e/0x410 [ 291.934948][ T2256] ? __kasan_check_write+0x14/0x20 [ 291.940045][ T2256] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 291.945305][ T2256] cgroup_subtree_control_write+0xd19/0x1310 [ 291.951260][ T2256] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.957213][ T2256] ? __kasan_check_write+0x14/0x20 [ 291.962301][ T2256] ? _copy_from_iter+0x3fb/0xd60 [ 291.967227][ T2256] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 291.973179][ T2256] cgroup_file_write+0x28e/0x590 [ 291.978105][ T2256] ? cgroup_seqfile_stop+0xc0/0xc0 [ 291.983188][ T2256] ? mutex_lock+0xa6/0x110 [ 291.987577][ T2256] ? mutex_trylock+0xb0/0xb0 [ 291.992140][ T2256] ? __kasan_check_write+0x14/0x20 [ 291.997226][ T2256] kernfs_fop_write_iter+0x2d0/0x410 [ 292.002505][ T2256] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.007602][ T2256] vfs_write+0xc1c/0xf40 [ 292.011819][ T2256] ? kernel_write+0x3c0/0x3c0 [ 292.016486][ T2256] ? mutex_trylock+0xb0/0xb0 [ 292.021063][ T2256] ? __fdget_pos+0x26d/0x310 [ 292.025625][ T2256] ? ksys_write+0x77/0x2c0 [ 292.030013][ T2256] ksys_write+0x198/0x2c0 [ 292.034316][ T2256] ? __ia32_sys_read+0x90/0x90 [ 292.039072][ T2256] ? debug_smp_processor_id+0x17/0x20 [ 292.044442][ T2256] __x64_sys_write+0x7b/0x90 [ 292.049200][ T2256] do_syscall_64+0x34/0x70 [ 292.053629][ T2256] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 292.059512][ T2256] RIP: 0033:0x7ff3e27b70e9 [ 292.063924][ T2256] 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 [ 292.083503][ T2256] RSP: 002b:00007ff3e272d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 292.092066][ T2256] RAX: ffffffffffffffda RBX: 00007ff3e28c9f60 RCX: 00007ff3e27b70e9 [ 292.100014][ T2256] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 292.107961][ T2256] RBP: 00007ff3e272d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.116002][ T2256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 292.124038][ T2256] R13: 00007ffc498a578f R14: 00007ff3e272d300 R15: 0000000000022000 [ 292.132130][ T2256] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 292.139384][ T2256] !!!! control_disable control_disable ss name cpu [ 292.146010][ T2256] !!!! control_disable control_disable ss name memory [ 292.153034][ T2256] !!!! control_disable control_disable ss name pids [ 292.159682][ T2256] !!!! control_disable kill_css(ffff888119d4f400) [ 292.166576][ T2256] !!!! IN kill css_get(ffff888119d4f400) [ 292.172444][ T2256] !!!! IN kill css_get(ffff888119d4f400) [ 292.178216][ T2256] !!!! control_disable control_disable ss name cpu [ 292.184805][ T2256] !!!! control_disable control_disable ss name memory [ 292.191719][ T2256] !!!! control_disable control_disable ss name pids [ 292.198338][ T2256] !!!! control_disable kill_css(ffff888119d4c800) [ 292.204979][ T2256] !!!! IN kill css_get(ffff888119d4c800) [ 292.210750][ T2256] !!!! IN kill css_get(ffff888119d4c800) [ 292.216507][ C1] !!!! css_killed_ref_fn enqueue(ffff888119d4f400) [ 292.223214][ T2256] !!!! control_disable control_disable ss name cpu [ 292.229732][ T2256] !!!! control_disable control_disable ss name memory [ 292.236545][ T2256] !!!! control_disable control_disable ss name pids [ 292.243325][ T2256] !!!! control_disable kill_css(ffff888119d4e800) [ 292.249837][ T2256] !!!! IN kill css_get(ffff888119d4e800) [ 292.255590][ T2256] !!!! IN kill css_get(ffff888119d4e800) [ 292.261319][ T2256] !!!! control_disable control_disable ss name cpu [ 292.267846][ C1] !!!! css_killed_ref_fn enqueue(ffff888119d4c800) [ 292.274459][ T2256] !!!! control_disable control_disable ss name memory [ 292.281193][ T2256] !!!! control_disable control_disable ss name cpu [ 292.287698][ T2256] !!!! control_disable control_disable ss name memory [ 292.294466][ C1] !!!! css_killed_ref_fn enqueue(ffff888119d4e800) [ 292.301053][ T2256] !!!! control_disable control_disable ss name cpu [ 292.307559][ T2256] !!!! control_disable control_disable ss name memory [ 292.314403][ T2256] !!!! control_disable control_disable ss name cpu [ 292.320888][ T2256] !!!! control_disable control_disable ss name memory [ 292.327669][ T2256] !!!! control_disable control_disable ss name pids [ 292.334282][ T2256] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 292.334351][ T372] !!!! css_release_work_fn(ffff8881065f1400) [ 292.346914][ T372] !!!! css_release_work_fn(ffff8881045cf800) [ 292.352112][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 292.359935][ T19] !!!! css_killed_work_fn css_put(ffff888119d4f400) [ 292.360256][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 292.366819][ T19] !!!! css_release enqueue(ffff888119d4f400) [ 292.374168][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 292.379731][ T19] !!!! css_killed_work_fn css_put(ffff888119d4c800) [ 292.386858][ T372] !!!! css_free_rwork_fn(ffff8881065f1400) [ 292.393680][ T19] !!!! css_release enqueue(ffff888119d4c800) [ 292.399350][ T372] !!!! css_free_rwork_fn(ffff8881045cf800) [ 292.399616][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 292.406578][ T19] !!!! css_killed_work_fn css_put(ffff888119d4e800) [ 292.425881][ T19] !!!! css_release enqueue(ffff888119d4e800) [ 292.432177][ T2259] !!!! css_create css ffff888117f2ac00 !!!! [ 292.438193][ T2259] !!!! css_create css ffff888117f2b400 !!!! [ 292.444222][ T2259] !!!! css_create css ffff888117f28c00 !!!! [ 292.450246][ T2259] FAULT_INJECTION: forcing a failure. [ 292.450246][ T2259] name failslab, interval 1, probability 0, space 0, times 0 [ 292.462981][ T2259] CPU: 0 PID: 2259 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 292.474602][ T2259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.485243][ T2259] Call Trace: [ 292.488596][ T2259] dump_stack_lvl+0x1e2/0x24b [ 292.493340][ T2259] ? bfq_pos_tree_add_move+0x43e/0x43e [ 292.498772][ T2259] dump_stack+0x15/0x17 [ 292.502898][ T2259] should_fail+0x3c0/0x510 [ 292.507287][ T2259] ? __kernfs_new_node+0x99/0x6e0 [ 292.512295][ T2259] __should_failslab+0x9f/0xe0 [ 292.517033][ T2259] should_failslab+0x9/0x20 [ 292.521511][ T2259] __kmalloc_track_caller+0x5f/0x350 [ 292.526775][ T2259] kstrdup_const+0x55/0x90 [ 292.531176][ T2259] __kernfs_new_node+0x99/0x6e0 [ 292.535997][ T2259] ? stack_trace_save+0x1f0/0x1f0 [ 292.540992][ T2259] ? kernfs_new_node+0x170/0x170 [ 292.545901][ T2259] ? ptr_to_hashval+0x60/0x60 [ 292.550614][ T2259] ? snprintf+0xd6/0x120 [ 292.554830][ T2259] kernfs_new_node+0x97/0x170 [ 292.559479][ T2259] __kernfs_create_file+0x4a/0x270 [ 292.564602][ T2259] cgroup_addrm_files+0xab8/0xfe0 [ 292.569603][ T2259] ? cgroup_apply_control_enable+0x734/0x12e0 [ 292.575638][ T2259] ? cgroup_apply_control+0x93/0x710 [ 292.580892][ T2259] ? cgroup_subtree_control_write+0xd19/0x1310 [ 292.587015][ T2259] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 292.593147][ T2259] ? delete_node+0x759/0x7b0 [ 292.597720][ T2259] ? __kasan_check_read+0x11/0x20 [ 292.602714][ T2259] ? delete_node+0x759/0x7b0 [ 292.607288][ T2259] ? __kasan_check_write+0x14/0x20 [ 292.612390][ T2259] ? __radix_tree_replace+0x246/0x2e0 [ 292.617754][ T2259] ? idr_get_next+0x4b0/0x4b0 [ 292.622417][ T2259] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 292.627505][ T2259] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 292.632689][ T2259] css_populate_dir+0x137/0x370 [ 292.637523][ T2259] cgroup_apply_control_enable+0x629/0x12e0 [ 292.643446][ T2259] cgroup_apply_control+0x93/0x710 [ 292.648545][ T2259] ? css_next_child+0x160/0x160 [ 292.653375][ T2259] ? set_next_entity+0xc5/0x390 [ 292.658214][ T2259] ? io_schedule+0x120/0x120 [ 292.662795][ T2259] ? kernfs_fop_write_iter+0x15e/0x410 [ 292.668230][ T2259] ? __kasan_check_write+0x14/0x20 [ 292.673315][ T2259] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 292.678574][ T2259] cgroup_subtree_control_write+0xd19/0x1310 [ 292.684570][ T2259] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 292.690570][ T2259] ? __kasan_check_write+0x14/0x20 [ 292.695669][ T2259] ? _copy_from_iter+0x3fb/0xd60 [ 292.700600][ T2259] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 292.706566][ T2259] cgroup_file_write+0x28e/0x590 [ 292.711488][ T2259] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.716599][ T2259] ? mutex_lock+0xa6/0x110 [ 292.720997][ T2259] ? mutex_trylock+0xb0/0xb0 [ 292.725566][ T2259] ? __kasan_check_write+0x14/0x20 [ 292.730660][ T2259] kernfs_fop_write_iter+0x2d0/0x410 [ 292.735923][ T2259] ? cgroup_seqfile_stop+0xc0/0xc0 [ 292.741007][ T2259] vfs_write+0xc1c/0xf40 [ 292.745225][ T2259] ? kernel_write+0x3c0/0x3c0 [ 292.749876][ T2259] ? mutex_trylock+0xb0/0xb0 [ 292.754438][ T2259] ? __fdget_pos+0x26d/0x310 [ 292.758999][ T2259] ? ksys_write+0x77/0x2c0 [ 292.763389][ T2259] ksys_write+0x198/0x2c0 [ 292.767690][ T2259] ? __ia32_sys_read+0x90/0x90 [ 292.772440][ T2259] ? debug_smp_processor_id+0x17/0x20 [ 292.777781][ T2259] __x64_sys_write+0x7b/0x90 [ 292.782351][ T2259] do_syscall_64+0x34/0x70 [ 292.786752][ T2259] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 292.792624][ T2259] RIP: 0033:0x7f5d5b96a0e9 [ 292.797016][ T2259] 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 [ 292.816603][ T2259] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 292.825001][ T2259] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 292.832958][ T2259] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 292.840910][ T2259] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 292.848944][ T2259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 292.856896][ T2259] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 292.865035][ T2259] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 292.873866][ T2259] !!!! control_disable control_disable ss name cpu [ 292.880358][ T2259] !!!! control_disable control_disable ss name memory [ 292.887183][ T2259] !!!! control_disable control_disable ss name pids [ 292.893898][ T2259] !!!! control_disable kill_css(ffff888117f2ac00) [ 292.900554][ T2259] !!!! IN kill css_get(ffff888117f2ac00) [ 292.906349][ T2259] !!!! IN kill css_get(ffff888117f2ac00) [ 292.912136][ T2259] !!!! control_disable control_disable ss name cpu [ 292.918682][ T2259] !!!! control_disable control_disable ss name memory [ 292.925633][ T2259] !!!! control_disable control_disable ss name pids [ 292.932342][ T2259] !!!! control_disable kill_css(ffff888117f2b400) [ 292.938919][ T2259] !!!! IN kill css_get(ffff888117f2b400) [ 292.944710][ C1] !!!! css_killed_ref_fn enqueue(ffff888117f2ac00) [ 292.952536][ T2259] !!!! IN kill css_get(ffff888117f2b400) [ 292.958234][ T2259] !!!! control_disable control_disable ss name cpu [ 292.964735][ T2259] !!!! control_disable control_disable ss name memory [ 292.971483][ T2259] !!!! control_disable control_disable ss name pids [ 292.978098][ T2259] !!!! control_disable kill_css(ffff888117f28c00) [ 292.984586][ T2259] !!!! IN kill css_get(ffff888117f28c00) [ 292.990273][ T2259] !!!! IN kill css_get(ffff888117f28c00) [ 292.995996][ T2259] !!!! control_disable control_disable ss name cpu [ 293.002500][ T2259] !!!! control_disable control_disable ss name memory [ 293.009233][ T2259] !!!! control_disable control_disable ss name cpu [ 293.015786][ T2259] !!!! control_disable control_disable ss name memory [ 293.022619][ T2259] !!!! control_disable control_disable ss name cpu [ 293.029110][ T2259] !!!! control_disable control_disable ss name memory [ 293.035878][ C1] !!!! css_killed_ref_fn enqueue(ffff888117f2b400) [ 293.042595][ T2259] !!!! control_disable control_disable ss name cpu [ 293.049071][ T2259] !!!! control_disable control_disable ss name memory [ 293.055838][ T2259] !!!! control_disable control_disable ss name pids [ 293.062428][ C1] !!!! css_killed_ref_fn enqueue(ffff888117f28c00) 2022/06/08 04:04:44 executed programs: 646 [ 293.069032][ T2259] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 293.075574][ T435] !!!! css_release_work_fn(ffff888119d4f400) [ 293.076934][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.085231][ T435] !!!! css_release_work_fn(ffff888119d4c800) [ 293.088805][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.095371][ T435] !!!! css_release_work_fn(ffff888119d4e800) [ 293.103261][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.107711][ T435] !!!! css_killed_work_fn css_put(ffff888117f2ac00) [ 293.115975][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.124791][ T435] !!!! css_release enqueue(ffff888117f2ac00) [ 293.128764][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.134411][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.148205][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.155235][ T435] !!!! css_killed_work_fn css_put(ffff888117f2b400) [ 293.162561][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.169889][ T435] !!!! css_release enqueue(ffff888117f2b400) [ 293.176144][ T435] !!!! css_killed_work_fn css_put(ffff888117f28c00) [ 293.182966][ T435] !!!! css_release enqueue(ffff888117f28c00) [ 293.189058][ T435] !!!! css_free_rwork_fn(ffff888119d4f400) [ 293.189072][ T2266] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 293.194970][ T2249] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 293.195090][ T2257] !!!! css_create css ffff88811e14a800 !!!! [ 293.213864][ T435] !!!! css_free_rwork_fn(ffff888119d4c800) [ 293.214729][ T2257] !!!! css_create css ffff888109faf000 !!!! [ 293.225692][ T2257] !!!! css_create css ffff888109fad800 !!!! [ 293.231639][ T2257] FAULT_INJECTION: forcing a failure. [ 293.231639][ T2257] name failslab, interval 1, probability 0, space 0, times 0 [ 293.244437][ T2257] CPU: 0 PID: 2257 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 293.256051][ T2257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.266098][ T2257] Call Trace: [ 293.269367][ T2257] dump_stack_lvl+0x1e2/0x24b [ 293.274029][ T2257] ? bfq_pos_tree_add_move+0x43e/0x43e [ 293.279463][ T2257] ? serial8250_console_write+0xae0/0xe60 [ 293.285157][ T2257] ? record_print_text+0x266/0x420 [ 293.290250][ T2257] dump_stack+0x15/0x17 [ 293.294389][ T2257] should_fail+0x3c0/0x510 [ 293.298778][ T2257] ? __kernfs_new_node+0x99/0x6e0 [ 293.303796][ T2257] __should_failslab+0x9f/0xe0 [ 293.308531][ T2257] should_failslab+0x9/0x20 [ 293.313008][ T2257] __kmalloc_track_caller+0x5f/0x350 [ 293.318269][ T2257] kstrdup_const+0x55/0x90 [ 293.322684][ T2257] __kernfs_new_node+0x99/0x6e0 [ 293.327517][ T2257] ? stack_trace_save+0x1f0/0x1f0 [ 293.332514][ T2257] ? kernfs_new_node+0x170/0x170 [ 293.337425][ T2257] ? ptr_to_hashval+0x60/0x60 [ 293.342072][ T2257] ? snprintf+0xd6/0x120 [ 293.346293][ T2257] kernfs_new_node+0x97/0x170 [ 293.350941][ T2257] __kernfs_create_file+0x4a/0x270 [ 293.356023][ T2257] cgroup_addrm_files+0xab8/0xfe0 [ 293.361025][ T2257] ? cgroup_apply_control_enable+0x734/0x12e0 [ 293.367065][ T2257] ? cgroup_apply_control+0x93/0x710 [ 293.372324][ T2257] ? cgroup_subtree_control_write+0xd19/0x1310 [ 293.378461][ T2257] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 293.384591][ T2257] ? delete_node+0x759/0x7b0 [ 293.389158][ T2257] ? __kasan_check_read+0x11/0x20 [ 293.394158][ T2257] ? delete_node+0x759/0x7b0 [ 293.398725][ T2257] ? __kasan_check_write+0x14/0x20 [ 293.403809][ T2257] ? __radix_tree_replace+0x246/0x2e0 [ 293.409164][ T2257] ? idr_get_next+0x4b0/0x4b0 [ 293.413834][ T2257] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 293.418832][ T2257] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 293.424003][ T2257] css_populate_dir+0x137/0x370 [ 293.428826][ T2257] cgroup_apply_control_enable+0x629/0x12e0 [ 293.434692][ T2257] cgroup_apply_control+0x93/0x710 [ 293.439775][ T2257] ? css_next_child+0x160/0x160 [ 293.444611][ T2257] ? io_schedule+0x120/0x120 [ 293.449173][ T2257] ? kernfs_fop_write_iter+0x15e/0x410 [ 293.454607][ T2257] ? __kasan_check_write+0x14/0x20 [ 293.459694][ T2257] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 293.464952][ T2257] cgroup_subtree_control_write+0xd19/0x1310 [ 293.470908][ T2257] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 293.476862][ T2257] ? __kasan_check_write+0x14/0x20 [ 293.481947][ T2257] ? _copy_from_iter+0x3fb/0xd60 [ 293.486860][ T2257] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 293.492811][ T2257] cgroup_file_write+0x28e/0x590 [ 293.497724][ T2257] ? cgroup_seqfile_stop+0xc0/0xc0 [ 293.502809][ T2257] ? mutex_lock+0xa6/0x110 [ 293.507200][ T2257] ? mutex_trylock+0xb0/0xb0 [ 293.511763][ T2257] ? __kasan_check_write+0x14/0x20 [ 293.516847][ T2257] kernfs_fop_write_iter+0x2d0/0x410 [ 293.522105][ T2257] ? cgroup_seqfile_stop+0xc0/0xc0 [ 293.527190][ T2257] vfs_write+0xc1c/0xf40 [ 293.531412][ T2257] ? kernel_write+0x3c0/0x3c0 [ 293.536069][ T2257] ? mutex_trylock+0xb0/0xb0 [ 293.540647][ T2257] ? __fdget_pos+0x26d/0x310 [ 293.545209][ T2257] ? ksys_write+0x77/0x2c0 [ 293.549599][ T2257] ksys_write+0x198/0x2c0 [ 293.553903][ T2257] ? __ia32_sys_read+0x90/0x90 [ 293.558645][ T2257] ? debug_smp_processor_id+0x17/0x20 [ 293.563989][ T2257] __x64_sys_write+0x7b/0x90 [ 293.568580][ T2257] do_syscall_64+0x34/0x70 [ 293.572982][ T2257] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 293.578858][ T2257] RIP: 0033:0x7f75104510e9 [ 293.583261][ T2257] 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 [ 293.602837][ T2257] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 293.611399][ T2257] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 293.619346][ T2257] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 293.627305][ T2257] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 293.635351][ T2257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 293.643311][ T2257] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 293.651653][ T2257] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 293.658800][ T2257] !!!! control_disable control_disable ss name cpu [ 293.665405][ T2257] !!!! control_disable control_disable ss name memory [ 293.672246][ T2257] !!!! control_disable control_disable ss name pids [ 293.678935][ T2257] !!!! control_disable kill_css(ffff88811e14a800) [ 293.685646][ T2257] !!!! IN kill css_get(ffff88811e14a800) [ 293.691450][ T2257] !!!! IN kill css_get(ffff88811e14a800) [ 293.697241][ T2257] !!!! control_disable control_disable ss name cpu [ 293.704106][ T2257] !!!! control_disable control_disable ss name memory [ 293.710882][ T2257] !!!! control_disable control_disable ss name pids [ 293.717525][ T2257] !!!! control_disable kill_css(ffff888109faf000) [ 293.724276][ T2257] !!!! IN kill css_get(ffff888109faf000) [ 293.729999][ T2257] !!!! IN kill css_get(ffff888109faf000) [ 293.735762][ C0] !!!! css_killed_ref_fn enqueue(ffff88811e14a800) [ 293.742482][ T2257] !!!! control_disable control_disable ss name cpu [ 293.748962][ T2257] !!!! control_disable control_disable ss name memory [ 293.755906][ T2257] !!!! control_disable control_disable ss name pids [ 293.762565][ T2257] !!!! control_disable kill_css(ffff888109fad800) [ 293.769295][ T2257] !!!! IN kill css_get(ffff888109fad800) [ 293.775208][ T2257] !!!! IN kill css_get(ffff888109fad800) [ 293.781021][ T2257] !!!! control_disable control_disable ss name cpu [ 293.787545][ C0] !!!! css_killed_ref_fn enqueue(ffff888109faf000) [ 293.794184][ T2257] !!!! control_disable control_disable ss name memory [ 293.800929][ T2257] !!!! control_disable control_disable ss name cpu [ 293.807552][ T2257] !!!! control_disable control_disable ss name memory [ 293.814314][ T2257] !!!! control_disable control_disable ss name cpu [ 293.820879][ T2257] !!!! control_disable control_disable ss name memory [ 293.827659][ T2257] !!!! control_disable control_disable ss name cpu [ 293.834160][ T2257] !!!! control_disable control_disable ss name memory [ 293.841711][ T2257] !!!! control_disable control_disable ss name pids [ 293.848318][ T2257] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 293.848518][ T435] !!!! css_release_work_fn(ffff888117f2ac00) [ 293.858231][ C0] !!!! css_killed_ref_fn enqueue(ffff888109fad800) [ 293.861077][ T435] !!!! css_free_rwork_fn(ffff888119d4e800) [ 293.867679][ T34] !!!! css_killed_work_fn css_put(ffff88811e14a800) [ 293.867705][ T34] !!!! css_release enqueue(ffff88811e14a800) [ 293.888062][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.891057][ T372] !!!! css_killed_work_fn css_put(ffff888109faf000) [ 293.895484][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.902956][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.909220][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.919381][ T372] !!!! css_release enqueue(ffff888109faf000) [ 293.923220][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.928588][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.935342][ T435] !!!! css_release_work_fn(ffff888117f2b400) [ 293.935364][ T435] !!!! css_release_work_fn(ffff888117f28c00) [ 293.945428][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.948644][ T435] !!!! css_free_rwork_fn(ffff888117f2ac00) [ 293.955251][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 293.962670][ T435] !!!! css_free_rwork_fn(ffff888117f2b400) [ 293.967466][ T34] !!!! css_killed_work_fn css_put(ffff888109fad800) [ 293.981672][ T435] !!!! css_free_rwork_fn(ffff888117f28c00) [ 293.987098][ T34] !!!! css_release enqueue(ffff888109fad800) [ 293.999146][ T2254] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 293.999792][ T2251] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 294.005907][ T2266] !!!! css_create css ffff888109fafc00 !!!! [ 294.018162][ T2266] !!!! css_create css ffff888109facc00 !!!! [ 294.024119][ T2266] !!!! css_create css ffff888109faec00 !!!! [ 294.030002][ T2266] FAULT_INJECTION: forcing a failure. [ 294.030002][ T2266] name failslab, interval 1, probability 0, space 0, times 0 [ 294.042619][ T2266] CPU: 0 PID: 2266 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 294.054446][ T2266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.064495][ T2266] Call Trace: [ 294.067770][ T2266] dump_stack_lvl+0x1e2/0x24b [ 294.072437][ T2266] ? bfq_pos_tree_add_move+0x43e/0x43e [ 294.077882][ T2266] ? find_next_bit+0xd6/0x120 [ 294.082634][ T2266] ? cpumask_next+0x11/0x30 [ 294.087130][ T2266] dump_stack+0x15/0x17 [ 294.091271][ T2266] should_fail+0x3c0/0x510 [ 294.095662][ T2266] ? percpu_ref_init+0xd0/0x330 [ 294.100485][ T2266] __should_failslab+0x9f/0xe0 [ 294.105227][ T2266] should_failslab+0x9/0x20 [ 294.109715][ T2266] kmem_cache_alloc_trace+0x3a/0x330 [ 294.114974][ T2266] percpu_ref_init+0xd0/0x330 [ 294.119631][ T2266] ? cgroup_setup_root+0xea0/0xea0 [ 294.124723][ T2266] cgroup_apply_control_enable+0x734/0x12e0 [ 294.130599][ T2266] cgroup_apply_control+0x93/0x710 [ 294.135780][ T2266] ? css_next_child+0x160/0x160 [ 294.141479][ T2266] ? io_schedule+0x120/0x120 [ 294.146078][ T2266] ? kernfs_fop_write_iter+0x15e/0x410 [ 294.151556][ T2266] ? __kasan_check_write+0x14/0x20 [ 294.156655][ T2266] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 294.161928][ T2266] cgroup_subtree_control_write+0xd19/0x1310 [ 294.167889][ T2266] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.173857][ T2266] ? __kasan_check_write+0x14/0x20 [ 294.178946][ T2266] ? _copy_from_iter+0x3fb/0xd60 [ 294.183959][ T2266] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.189916][ T2266] cgroup_file_write+0x28e/0x590 [ 294.194832][ T2266] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.200196][ T2266] ? mutex_lock+0xa6/0x110 [ 294.204602][ T2266] ? mutex_trylock+0xb0/0xb0 [ 294.209190][ T2266] ? __kasan_check_write+0x14/0x20 [ 294.214285][ T2266] kernfs_fop_write_iter+0x2d0/0x410 [ 294.219549][ T2266] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.224646][ T2266] vfs_write+0xc1c/0xf40 [ 294.229044][ T2266] ? kernel_write+0x3c0/0x3c0 [ 294.233695][ T2266] ? mutex_trylock+0xb0/0xb0 [ 294.238265][ T2266] ? __fdget_pos+0x26d/0x310 [ 294.242828][ T2266] ? ksys_write+0x77/0x2c0 [ 294.247232][ T2266] ksys_write+0x198/0x2c0 [ 294.251618][ T2266] ? __ia32_sys_read+0x90/0x90 [ 294.256379][ T2266] ? debug_smp_processor_id+0x17/0x20 [ 294.261931][ T2266] __x64_sys_write+0x7b/0x90 [ 294.266517][ T2266] do_syscall_64+0x34/0x70 [ 294.270932][ T2266] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 294.276806][ T2266] RIP: 0033:0x7ff3e27b70e9 [ 294.281212][ T2266] 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 [ 294.301383][ T2266] RSP: 002b:00007ff3e272d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 294.310018][ T2266] RAX: ffffffffffffffda RBX: 00007ff3e28c9f60 RCX: 00007ff3e27b70e9 [ 294.318053][ T2266] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 294.326028][ T2266] RBP: 00007ff3e272d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 294.335031][ T2266] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 294.342995][ T2266] R13: 00007ffc498a578f R14: 00007ff3e272d300 R15: 0000000000022000 [ 294.351084][ T2266] !!!! css_create rcu_enqueue(ffff888109faec00) !!!! [ 294.357803][ T2266] !!!! control_disable control_disable ss name cpu [ 294.364648][ T2266] !!!! control_disable control_disable ss name memory [ 294.371414][ T2266] !!!! control_disable control_disable ss name pids [ 294.378169][ T2266] !!!! control_disable kill_css(ffff888109fafc00) [ 294.384930][ T2266] !!!! IN kill css_get(ffff888109fafc00) [ 294.390800][ T2266] !!!! IN kill css_get(ffff888109fafc00) [ 294.396591][ T2266] !!!! control_disable control_disable ss name cpu [ 294.403222][ T2266] !!!! control_disable control_disable ss name memory [ 294.410043][ T2266] !!!! control_disable control_disable ss name pids [ 294.416807][ T2266] !!!! control_disable kill_css(ffff888109facc00) [ 294.423357][ C1] !!!! css_killed_ref_fn enqueue(ffff888109fafc00) [ 294.430032][ T2266] !!!! IN kill css_get(ffff888109facc00) [ 294.435874][ T2266] !!!! IN kill css_get(ffff888109facc00) [ 294.441808][ T2266] !!!! control_disable control_disable ss name cpu [ 294.448283][ T2266] !!!! control_disable control_disable ss name memory [ 294.455078][ T2266] !!!! control_disable control_disable ss name cpu [ 294.461561][ T2266] !!!! control_disable control_disable ss name memory [ 294.468334][ T2266] !!!! control_disable control_disable ss name cpu [ 294.474837][ T2266] !!!! control_disable control_disable ss name memory [ 294.481569][ T2266] !!!! control_disable control_disable ss name cpu [ 294.488097][ T2266] !!!! control_disable control_disable ss name memory [ 294.494872][ T2266] !!!! control_disable control_disable ss name cpu [ 294.501438][ T2266] !!!! control_disable control_disable ss name memory [ 294.508219][ T2266] !!!! control_disable control_disable ss name pids [ 294.514952][ T2266] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 294.523093][ T34] !!!! css_release_work_fn(ffff88811e14a800) [ 294.529182][ T34] !!!! css_release_work_fn(ffff888109faf000) [ 294.531629][ C1] !!!! css_killed_ref_fn enqueue(ffff888109facc00) [ 294.542127][ T435] !!!! css_killed_work_fn css_put(ffff888109fafc00) [ 294.547362][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.548809][ T435] !!!! css_release enqueue(ffff888109fafc00) [ 294.548826][ T435] !!!! css_killed_work_fn css_put(ffff888109facc00) [ 294.556706][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.561787][ T435] !!!! css_release enqueue(ffff888109facc00) [ 294.581562][ T34] !!!! css_release_work_fn(ffff888109fad800) [ 294.582949][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.591370][ T2261] !!!! css_create css ffff88810cc7b000 !!!! [ 294.595090][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.600893][ T2261] !!!! css_create css ffff88810cc66400 !!!! [ 294.609019][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.613876][ T372] !!!! css_free_rwork_fn(ffff888109faec00) [ 294.621398][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.627041][ T34] !!!! css_free_rwork_fn(ffff88811e14a800) [ 294.636644][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.639641][ T372] !!!! css_free_rwork_fn(ffff888109faf000) [ 294.647223][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 294.652578][ T372] !!!! css_free_rwork_fn(ffff888109fad800) [ 294.661666][ T2261] !!!! css_create css ffff88810cc1b000 !!!! [ 294.671389][ T2261] FAULT_INJECTION: forcing a failure. [ 294.671389][ T2261] name failslab, interval 1, probability 0, space 0, times 0 [ 294.684030][ T2261] CPU: 1 PID: 2261 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 294.695653][ T2261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.705689][ T2261] Call Trace: [ 294.708957][ T2261] dump_stack_lvl+0x1e2/0x24b [ 294.713615][ T2261] ? bfq_pos_tree_add_move+0x43e/0x43e [ 294.719050][ T2261] ? serial8250_console_write+0xae0/0xe60 [ 294.724762][ T2261] ? record_print_text+0x266/0x420 [ 294.729861][ T2261] dump_stack+0x15/0x17 [ 294.734006][ T2261] should_fail+0x3c0/0x510 [ 294.738436][ T2261] ? __kernfs_new_node+0x99/0x6e0 [ 294.743459][ T2261] __should_failslab+0x9f/0xe0 [ 294.748837][ T2261] should_failslab+0x9/0x20 [ 294.753318][ T2261] __kmalloc_track_caller+0x5f/0x350 [ 294.758610][ T2261] kstrdup_const+0x55/0x90 [ 294.763025][ T2261] __kernfs_new_node+0x99/0x6e0 [ 294.767859][ T2261] ? stack_trace_save+0x1f0/0x1f0 [ 294.772859][ T2261] ? kernfs_new_node+0x170/0x170 [ 294.777780][ T2261] ? ptr_to_hashval+0x60/0x60 [ 294.782473][ T2261] ? snprintf+0xd6/0x120 [ 294.786745][ T2261] ? debug_smp_processor_id+0x17/0x20 [ 294.792103][ T2261] kernfs_new_node+0x97/0x170 [ 294.796785][ T2261] __kernfs_create_file+0x4a/0x270 [ 294.801881][ T2261] cgroup_addrm_files+0xab8/0xfe0 [ 294.806884][ T2261] ? cgroup_apply_control_enable+0x734/0x12e0 [ 294.812921][ T2261] ? cgroup_apply_control+0x93/0x710 [ 294.818180][ T2261] ? cgroup_subtree_control_write+0xd19/0x1310 [ 294.824311][ T2261] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 294.830483][ T2261] ? delete_node+0x759/0x7b0 [ 294.835057][ T2261] ? __kasan_check_read+0x11/0x20 [ 294.840151][ T2261] ? delete_node+0x759/0x7b0 [ 294.844731][ T2261] ? __kasan_check_write+0x14/0x20 [ 294.849919][ T2261] ? __radix_tree_replace+0x246/0x2e0 [ 294.855272][ T2261] ? idr_get_next+0x4b0/0x4b0 [ 294.859924][ T2261] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 294.864927][ T2261] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 294.870122][ T2261] css_populate_dir+0x137/0x370 [ 294.874962][ T2261] cgroup_apply_control_enable+0x629/0x12e0 [ 294.880832][ T2261] cgroup_apply_control+0x93/0x710 [ 294.885919][ T2261] ? css_next_child+0x160/0x160 [ 294.890742][ T2261] ? set_next_entity+0xc5/0x390 [ 294.895577][ T2261] ? io_schedule+0x120/0x120 [ 294.900142][ T2261] ? kernfs_fop_write_iter+0x15e/0x410 [ 294.905578][ T2261] ? __kasan_check_write+0x14/0x20 [ 294.910664][ T2261] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 294.915950][ T2261] cgroup_subtree_control_write+0xd19/0x1310 [ 294.921917][ T2261] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.927943][ T2261] ? __kasan_check_write+0x14/0x20 [ 294.933056][ T2261] ? _copy_from_iter+0x3fb/0xd60 [ 294.937975][ T2261] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 294.943931][ T2261] cgroup_file_write+0x28e/0x590 [ 294.948957][ T2261] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.954052][ T2261] ? mutex_lock+0xa6/0x110 [ 294.958459][ T2261] ? mutex_trylock+0xb0/0xb0 [ 294.963142][ T2261] ? __kasan_check_write+0x14/0x20 [ 294.968232][ T2261] kernfs_fop_write_iter+0x2d0/0x410 [ 294.973517][ T2261] ? cgroup_seqfile_stop+0xc0/0xc0 [ 294.978624][ T2261] vfs_write+0xc1c/0xf40 [ 294.982985][ T2261] ? kernel_write+0x3c0/0x3c0 [ 294.987648][ T2261] ? mutex_trylock+0xb0/0xb0 [ 294.992220][ T2261] ? __fdget_pos+0x26d/0x310 [ 294.996854][ T2261] ? ksys_write+0x77/0x2c0 [ 295.001283][ T2261] ksys_write+0x198/0x2c0 [ 295.005618][ T2261] ? __ia32_sys_read+0x90/0x90 [ 295.010364][ T2261] ? debug_smp_processor_id+0x17/0x20 [ 295.016516][ T2261] __x64_sys_write+0x7b/0x90 [ 295.021097][ T2261] do_syscall_64+0x34/0x70 [ 295.025516][ T2261] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 295.031427][ T2261] RIP: 0033:0x7f2fc06ba0e9 [ 295.035833][ T2261] 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 [ 295.055601][ T2261] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 295.063994][ T2261] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 295.071964][ T2261] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 295.079923][ T2261] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 295.087883][ T2261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 295.095845][ T2261] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 295.104313][ T2261] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 295.111474][ T2261] !!!! control_disable control_disable ss name cpu [ 295.118093][ T2261] !!!! control_disable control_disable ss name memory [ 295.124983][ T2261] !!!! control_disable control_disable ss name pids [ 295.131753][ T2261] !!!! control_disable kill_css(ffff88810cc7b000) [ 295.138753][ T2261] !!!! IN kill css_get(ffff88810cc7b000) [ 295.144557][ T2261] !!!! IN kill css_get(ffff88810cc7b000) [ 295.150323][ T2261] !!!! control_disable control_disable ss name cpu [ 295.156890][ T2261] !!!! control_disable control_disable ss name memory [ 295.163702][ T2261] !!!! control_disable control_disable ss name pids [ 295.170350][ T2261] !!!! control_disable kill_css(ffff88810cc66400) [ 295.176994][ T2261] !!!! IN kill css_get(ffff88810cc66400) [ 295.182826][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cc7b000) [ 295.189437][ T2261] !!!! IN kill css_get(ffff88810cc66400) [ 295.195209][ T2261] !!!! control_disable control_disable ss name cpu [ 295.201898][ T2261] !!!! control_disable control_disable ss name memory [ 295.208654][ T2261] !!!! control_disable control_disable ss name pids [ 295.215559][ T2261] !!!! control_disable kill_css(ffff88810cc1b000) [ 295.222073][ T2261] !!!! IN kill css_get(ffff88810cc1b000) [ 295.227790][ T2261] !!!! IN kill css_get(ffff88810cc1b000) [ 295.233533][ T2261] !!!! control_disable control_disable ss name cpu [ 295.240033][ T2261] !!!! control_disable control_disable ss name memory [ 295.246909][ T2261] !!!! control_disable control_disable ss name cpu [ 295.253444][ T2261] !!!! control_disable control_disable ss name memory [ 295.260194][ T2261] !!!! control_disable control_disable ss name cpu [ 295.266702][ T2261] !!!! control_disable control_disable ss name memory [ 295.273524][ T2261] !!!! control_disable control_disable ss name cpu [ 295.280027][ T2261] !!!! control_disable control_disable ss name memory [ 295.286809][ T2261] !!!! control_disable control_disable ss name pids [ 295.293449][ T2261] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 295.293524][ T435] !!!! css_release_work_fn(ffff888109fafc00) [ 295.302262][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cc66400) [ 295.306259][ T435] !!!! css_release_work_fn(ffff888109facc00) [ 295.319266][ T372] !!!! css_killed_work_fn css_put(ffff88810cc7b000) [ 295.321000][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.325975][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cc1b000) [ 295.333524][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.345084][ T372] !!!! css_release enqueue(ffff88810cc7b000) [ 295.347869][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.353298][ T382] !!!! css_killed_work_fn css_put(ffff88810cc66400) [ 295.360691][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.368772][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.373731][ T435] !!!! css_free_rwork_fn(ffff888109fafc00) [ 295.385430][ T382] !!!! css_release enqueue(ffff88810cc66400) [ 295.389223][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.393487][ T34] !!!! css_killed_work_fn css_put(ffff88810cc1b000) [ 295.400026][ T435] !!!! css_free_rwork_fn(ffff888109facc00) [ 295.408525][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.413731][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.424398][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.428165][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.434180][ T34] !!!! css_release enqueue(ffff88810cc1b000) [ 295.441922][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.447524][ T34] !!!! css_release_work_fn(ffff88810cc7b000) [ 295.454999][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 295.460851][ T2283] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 295.467557][ T2260] !!!! css_create css ffff88811e6c7c00 !!!! [ 295.479772][ T2260] !!!! css_create css ffff88811e6c7800 !!!! [ 295.485812][ T2260] !!!! css_create css ffff88811e6c5000 !!!! [ 295.492085][ T2260] FAULT_INJECTION: forcing a failure. [ 295.492085][ T2260] name failslab, interval 1, probability 0, space 0, times 0 [ 295.505150][ T2260] CPU: 1 PID: 2260 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 295.516980][ T2260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.527048][ T2260] Call Trace: [ 295.530363][ T2260] dump_stack_lvl+0x1e2/0x24b [ 295.535026][ T2260] ? bfq_pos_tree_add_move+0x43e/0x43e [ 295.540502][ T2260] dump_stack+0x15/0x17 [ 295.545952][ T2260] should_fail+0x3c0/0x510 [ 295.550400][ T2260] ? __kernfs_new_node+0x99/0x6e0 [ 295.555512][ T2260] __should_failslab+0x9f/0xe0 [ 295.560281][ T2260] should_failslab+0x9/0x20 [ 295.564862][ T2260] __kmalloc_track_caller+0x5f/0x350 [ 295.570139][ T2260] kstrdup_const+0x55/0x90 [ 295.574545][ T2260] __kernfs_new_node+0x99/0x6e0 [ 295.579372][ T2260] ? stack_trace_save+0x1f0/0x1f0 [ 295.584372][ T2260] ? kernfs_new_node+0x170/0x170 [ 295.589373][ T2260] ? ptr_to_hashval+0x60/0x60 [ 295.594026][ T2260] ? snprintf+0xd6/0x120 [ 295.598245][ T2260] kernfs_new_node+0x97/0x170 [ 295.602902][ T2260] __kernfs_create_file+0x4a/0x270 [ 295.608274][ T2260] cgroup_addrm_files+0xab8/0xfe0 [ 295.613294][ T2260] ? cgroup_apply_control_enable+0x734/0x12e0 [ 295.619355][ T2260] ? cgroup_apply_control+0x93/0x710 [ 295.624801][ T2260] ? cgroup_subtree_control_write+0xd19/0x1310 [ 295.630955][ T2260] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 295.637109][ T2260] ? delete_node+0x759/0x7b0 [ 295.641798][ T2260] ? __kasan_check_read+0x11/0x20 [ 295.646816][ T2260] ? delete_node+0x759/0x7b0 [ 295.651644][ T2260] ? __kasan_check_write+0x14/0x20 [ 295.656731][ T2260] ? __radix_tree_replace+0x246/0x2e0 [ 295.662090][ T2260] ? idr_get_next+0x4b0/0x4b0 [ 295.666750][ T2260] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 295.671776][ T2260] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 295.676978][ T2260] css_populate_dir+0x137/0x370 [ 295.681820][ T2260] cgroup_apply_control_enable+0x629/0x12e0 [ 295.687798][ T2260] cgroup_apply_control+0x93/0x710 [ 295.692991][ T2260] ? css_next_child+0x160/0x160 [ 295.697838][ T2260] ? dequeue_task_fair+0x7ad/0xb50 [ 295.702926][ T2260] ? io_schedule+0x120/0x120 [ 295.707494][ T2260] ? kernfs_fop_write_iter+0x15e/0x410 [ 295.712959][ T2260] ? __kasan_check_write+0x14/0x20 [ 295.718132][ T2260] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 295.723393][ T2260] cgroup_subtree_control_write+0xd19/0x1310 [ 295.729570][ T2260] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 295.737281][ T2260] ? __kasan_check_write+0x14/0x20 [ 295.742381][ T2260] ? _copy_from_iter+0x3fb/0xd60 [ 295.747307][ T2260] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 295.753259][ T2260] cgroup_file_write+0x28e/0x590 [ 295.758173][ T2260] ? cgroup_seqfile_stop+0xc0/0xc0 [ 295.763256][ T2260] ? mutex_lock+0xa6/0x110 [ 295.767646][ T2260] ? mutex_trylock+0xb0/0xb0 [ 295.772212][ T2260] ? __kasan_check_write+0x14/0x20 [ 295.777300][ T2260] kernfs_fop_write_iter+0x2d0/0x410 [ 295.782568][ T2260] ? cgroup_seqfile_stop+0xc0/0xc0 [ 295.787666][ T2260] vfs_write+0xc1c/0xf40 [ 295.791886][ T2260] ? kernel_write+0x3c0/0x3c0 [ 295.796548][ T2260] ? mutex_trylock+0xb0/0xb0 [ 295.801244][ T2260] ? __fdget_pos+0x26d/0x310 [ 295.805814][ T2260] ? ksys_write+0x77/0x2c0 [ 295.810221][ T2260] ksys_write+0x198/0x2c0 [ 295.814544][ T2260] ? __ia32_sys_read+0x90/0x90 [ 295.819477][ T2260] ? debug_smp_processor_id+0x17/0x20 [ 295.824828][ T2260] __x64_sys_write+0x7b/0x90 [ 295.829396][ T2260] do_syscall_64+0x34/0x70 [ 295.833786][ T2260] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 295.839662][ T2260] RIP: 0033:0x7fccade130e9 [ 295.844054][ T2260] 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 [ 295.863651][ T2260] RSP: 002b:00007fccadd68168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 295.872038][ T2260] RAX: ffffffffffffffda RBX: 00007fccadf26030 RCX: 00007fccade130e9 [ 295.880182][ T2260] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 295.888141][ T2260] RBP: 00007fccadd681d0 R08: 0000000000000000 R09: 0000000000000000 [ 295.896085][ T2260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 295.904037][ T2260] R13: 00007ffdbb79d4ff R14: 00007fccadd68300 R15: 0000000000022000 [ 295.912723][ T2260] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 295.920145][ T2260] !!!! control_disable control_disable ss name cpu [ 295.926678][ T2260] !!!! control_disable control_disable ss name memory [ 295.933435][ T2260] !!!! control_disable control_disable ss name pids [ 295.940024][ T2260] !!!! control_disable kill_css(ffff88811e6c7c00) [ 295.946572][ T2260] !!!! IN kill css_get(ffff88811e6c7c00) [ 295.952292][ T2260] !!!! IN kill css_get(ffff88811e6c7c00) [ 295.957989][ T2260] !!!! control_disable control_disable ss name cpu [ 295.964508][ T2260] !!!! control_disable control_disable ss name memory [ 295.971247][ T2260] !!!! control_disable control_disable ss name pids [ 295.977844][ T2260] !!!! control_disable kill_css(ffff88811e6c7800) [ 295.984385][ T2260] !!!! IN kill css_get(ffff88811e6c7800) [ 295.990073][ T2260] !!!! IN kill css_get(ffff88811e6c7800) [ 295.995793][ T2260] !!!! control_disable control_disable ss name cpu [ 296.002307][ T2260] !!!! control_disable control_disable ss name memory [ 296.009051][ T2260] !!!! control_disable control_disable ss name pids [ 296.015641][ T2260] !!!! control_disable kill_css(ffff88811e6c5000) [ 296.022237][ T2260] !!!! IN kill css_get(ffff88811e6c5000) [ 296.027933][ T2260] !!!! IN kill css_get(ffff88811e6c5000) [ 296.033661][ T2260] !!!! control_disable control_disable ss name cpu [ 296.040143][ T2260] !!!! control_disable control_disable ss name memory [ 296.046945][ T2260] !!!! control_disable control_disable ss name cpu [ 296.053516][ T2260] !!!! control_disable control_disable ss name memory [ 296.060263][ T2260] !!!! control_disable control_disable ss name cpu [ 296.066766][ T2260] !!!! control_disable control_disable ss name memory [ 296.073533][ T2260] !!!! control_disable control_disable ss name cpu [ 296.080016][ T2260] !!!! control_disable control_disable ss name memory [ 296.086785][ T2260] !!!! control_disable control_disable ss name pids [ 296.093424][ T2260] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 296.093464][ T34] !!!! css_release_work_fn(ffff88810cc66400) [ 296.106472][ T34] !!!! css_release_work_fn(ffff88810cc1b000) [ 296.108012][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.112571][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e6c7c00) [ 296.112599][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e6c7800) [ 296.112611][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e6c5000) [ 296.116720][ T34] !!!! css_free_rwork_fn(ffff88810cc7b000) [ 296.119774][ T435] !!!! css_killed_work_fn css_put(ffff88811e6c7c00) [ 296.126507][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.132836][ T435] !!!! css_release enqueue(ffff88811e6c7c00) [ 296.139920][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.145393][ T435] !!!! css_killed_work_fn css_put(ffff88811e6c7800) [ 296.152036][ T34] !!!! css_free_rwork_fn(ffff88810cc66400) [ 296.158879][ T435] !!!! css_release enqueue(ffff88811e6c7800) [ 296.165921][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.173120][ T19] !!!! css_killed_work_fn css_put(ffff88811e6c5000) [ 296.182375][ T34] !!!! css_free_rwork_fn(ffff88810cc1b000) [ 296.184806][ T19] !!!! css_release enqueue(ffff88811e6c5000) [ 296.216155][ T2292] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 296.217174][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.222704][ T2247] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 296.233988][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.236039][ T2283] !!!! css_create css ffff888105397000 !!!! [ 296.244019][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.249475][ T2283] !!!! css_create css ffff888105395400 !!!! [ 296.256961][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.262523][ T2283] !!!! css_create css ffff888105394400 !!!! [ 296.275006][ T2283] FAULT_INJECTION: forcing a failure. [ 296.275006][ T2283] name failslab, interval 1, probability 0, space 0, times 0 [ 296.287764][ T2283] CPU: 1 PID: 2283 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 296.299770][ T2283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.309810][ T2283] Call Trace: [ 296.313082][ T2283] dump_stack_lvl+0x1e2/0x24b [ 296.317734][ T2283] ? bfq_pos_tree_add_move+0x43e/0x43e [ 296.323168][ T2283] dump_stack+0x15/0x17 [ 296.327326][ T2283] should_fail+0x3c0/0x510 [ 296.331817][ T2283] ? __kernfs_new_node+0x99/0x6e0 [ 296.336975][ T2283] __should_failslab+0x9f/0xe0 [ 296.341897][ T2283] should_failslab+0x9/0x20 [ 296.346385][ T2283] __kmalloc_track_caller+0x5f/0x350 [ 296.351652][ T2283] kstrdup_const+0x55/0x90 [ 296.356057][ T2283] __kernfs_new_node+0x99/0x6e0 [ 296.360884][ T2283] ? stack_trace_save+0x1f0/0x1f0 [ 296.365883][ T2283] ? kernfs_new_node+0x170/0x170 [ 296.370793][ T2283] ? ptr_to_hashval+0x60/0x60 [ 296.375455][ T2283] ? snprintf+0xd6/0x120 [ 296.379688][ T2283] ? debug_smp_processor_id+0x17/0x20 [ 296.385037][ T2283] kernfs_new_node+0x97/0x170 [ 296.389700][ T2283] __kernfs_create_file+0x4a/0x270 [ 296.394801][ T2283] cgroup_addrm_files+0xab8/0xfe0 [ 296.399802][ T2283] ? cgroup_apply_control_enable+0x734/0x12e0 [ 296.405851][ T2283] ? cgroup_apply_control+0x93/0x710 [ 296.411112][ T2283] ? cgroup_subtree_control_write+0xd19/0x1310 [ 296.417300][ T2283] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 296.423478][ T2283] ? delete_node+0x759/0x7b0 [ 296.428085][ T2283] ? __kasan_check_read+0x11/0x20 [ 296.433367][ T2283] ? delete_node+0x759/0x7b0 [ 296.437937][ T2283] ? __kasan_check_write+0x14/0x20 [ 296.443021][ T2283] ? __radix_tree_replace+0x246/0x2e0 [ 296.448371][ T2283] ? idr_get_next+0x4b0/0x4b0 [ 296.453024][ T2283] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 296.458023][ T2283] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 296.463196][ T2283] css_populate_dir+0x137/0x370 [ 296.468023][ T2283] cgroup_apply_control_enable+0x629/0x12e0 [ 296.473888][ T2283] cgroup_apply_control+0x93/0x710 [ 296.478976][ T2283] ? css_next_child+0x160/0x160 [ 296.483811][ T2283] ? io_schedule+0x120/0x120 [ 296.488384][ T2283] ? kernfs_fop_write_iter+0x15e/0x410 [ 296.493824][ T2283] ? __kasan_check_write+0x14/0x20 [ 296.498909][ T2283] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 296.504257][ T2283] cgroup_subtree_control_write+0xd19/0x1310 [ 296.510215][ T2283] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 296.516168][ T2283] ? __kasan_check_write+0x14/0x20 [ 296.521281][ T2283] ? _copy_from_iter+0x3fb/0xd60 [ 296.526284][ T2283] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 296.532328][ T2283] cgroup_file_write+0x28e/0x590 [ 296.537242][ T2283] ? cgroup_seqfile_stop+0xc0/0xc0 [ 296.542417][ T2283] ? mutex_lock+0xa6/0x110 [ 296.546813][ T2283] ? mutex_trylock+0xb0/0xb0 [ 296.551487][ T2283] ? __kasan_check_write+0x14/0x20 [ 296.556577][ T2283] kernfs_fop_write_iter+0x2d0/0x410 [ 296.561839][ T2283] ? cgroup_seqfile_stop+0xc0/0xc0 [ 296.566949][ T2283] vfs_write+0xc1c/0xf40 [ 296.571868][ T2283] ? kernel_write+0x3c0/0x3c0 [ 296.576526][ T2283] ? mutex_trylock+0xb0/0xb0 [ 296.581196][ T2283] ? __fdget_pos+0x26d/0x310 [ 296.585852][ T2283] ? ksys_write+0x77/0x2c0 [ 296.590243][ T2283] ksys_write+0x198/0x2c0 [ 296.594672][ T2283] ? __ia32_sys_read+0x90/0x90 [ 296.600199][ T2283] ? debug_smp_processor_id+0x17/0x20 [ 296.605991][ T2283] __x64_sys_write+0x7b/0x90 [ 296.610561][ T2283] do_syscall_64+0x34/0x70 [ 296.615109][ T2283] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 296.621074][ T2283] RIP: 0033:0x7f2fc06ba0e9 [ 296.625482][ T2283] 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 [ 296.645426][ T2283] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 296.653840][ T2283] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 296.661792][ T2283] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 296.669760][ T2283] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 296.677821][ T2283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 296.686046][ T2283] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 296.694259][ T2283] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 296.701550][ T2283] !!!! control_disable control_disable ss name cpu [ 296.708304][ T2283] !!!! control_disable control_disable ss name memory [ 296.715192][ T2283] !!!! control_disable control_disable ss name pids [ 296.721917][ T2283] !!!! control_disable kill_css(ffff888105397000) [ 296.728661][ T2283] !!!! IN kill css_get(ffff888105397000) [ 296.734589][ T2283] !!!! IN kill css_get(ffff888105397000) [ 296.740375][ T2283] !!!! control_disable control_disable ss name cpu [ 296.751051][ T2283] !!!! control_disable control_disable ss name memory [ 296.758049][ T2283] !!!! control_disable control_disable ss name pids [ 296.764718][ T2283] !!!! control_disable kill_css(ffff888105395400) [ 296.771345][ T2283] !!!! IN kill css_get(ffff888105395400) [ 296.777127][ C0] !!!! css_killed_ref_fn enqueue(ffff888105397000) [ 296.784369][ T2283] !!!! IN kill css_get(ffff888105395400) [ 296.790077][ T2283] !!!! control_disable control_disable ss name cpu [ 296.796625][ T2283] !!!! control_disable control_disable ss name memory [ 296.803506][ T2283] !!!! control_disable control_disable ss name pids [ 296.810070][ T2283] !!!! control_disable kill_css(ffff888105394400) [ 296.816583][ T2283] !!!! IN kill css_get(ffff888105394400) [ 296.822439][ T2283] !!!! IN kill css_get(ffff888105394400) [ 296.828382][ T2283] !!!! control_disable control_disable ss name cpu [ 296.834918][ T2283] !!!! control_disable control_disable ss name memory [ 296.841689][ T2283] !!!! control_disable control_disable ss name cpu [ 296.848168][ T2283] !!!! control_disable control_disable ss name memory [ 296.854942][ T2283] !!!! control_disable control_disable ss name cpu [ 296.861431][ T2283] !!!! control_disable control_disable ss name memory [ 296.868198][ T2283] !!!! control_disable control_disable ss name cpu [ 296.874709][ T2283] !!!! control_disable control_disable ss name memory [ 296.881462][ T2283] !!!! control_disable control_disable ss name pids [ 296.888195][ T2283] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 296.888394][ T435] !!!! css_release_work_fn(ffff88811e6c7c00) [ 296.897466][ C0] !!!! css_killed_ref_fn enqueue(ffff888105395400) [ 296.901471][ T435] !!!! css_release_work_fn(ffff88811e6c7800) [ 296.914368][ T372] !!!! css_killed_work_fn css_put(ffff888105397000) [ 296.914420][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.921069][ T372] !!!! css_release enqueue(ffff888105397000) [ 296.921089][ T372] !!!! css_killed_work_fn css_put(ffff888105395400) [ 296.928564][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.934513][ T372] !!!! css_release enqueue(ffff888105395400) [ 296.941174][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.947614][ C0] !!!! css_killed_ref_fn enqueue(ffff888105394400) [ 296.954425][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 296.973996][ T435] !!!! css_release_work_fn(ffff88811e6c5000) [ 296.980103][ T435] !!!! css_free_rwork_fn(ffff88811e6c7c00) [ 296.980109][ T372] !!!! css_release_work_fn(ffff888105397000) [ 296.980121][ T372] !!!! css_killed_work_fn css_put(ffff888105394400) [ 296.986054][ T435] !!!! css_free_rwork_fn(ffff88811e6c7800) [ 297.004759][ T372] !!!! css_release enqueue(ffff888105394400) [ 297.010825][ T372] !!!! css_release_work_fn(ffff888105395400) [ 297.017188][ T2271] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 297.017202][ T2287] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 297.023771][ T2258] !!!! css_create css ffff88811f474c00 !!!! [ 297.036352][ T435] !!!! css_free_rwork_fn(ffff88811e6c5000) [ 297.036487][ T2258] !!!! css_create css ffff88811f663400 !!!! [ 297.048862][ T2258] !!!! css_create css ffff88811f662000 !!!! [ 297.054860][ T2258] FAULT_INJECTION: forcing a failure. [ 297.054860][ T2258] name failslab, interval 1, probability 0, space 0, times 0 [ 297.067448][ T2258] CPU: 0 PID: 2258 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 297.079054][ T2258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.089085][ T2258] Call Trace: [ 297.092365][ T2258] dump_stack_lvl+0x1e2/0x24b [ 297.097028][ T2258] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.102548][ T2258] dump_stack+0x15/0x17 [ 297.106853][ T2258] should_fail+0x3c0/0x510 [ 297.111253][ T2258] ? __kernfs_new_node+0x99/0x6e0 [ 297.116251][ T2258] __should_failslab+0x9f/0xe0 [ 297.121000][ T2258] should_failslab+0x9/0x20 [ 297.125494][ T2258] __kmalloc_track_caller+0x5f/0x350 [ 297.130751][ T2258] kstrdup_const+0x55/0x90 [ 297.135139][ T2258] __kernfs_new_node+0x99/0x6e0 [ 297.139965][ T2258] ? stack_trace_save+0x1f0/0x1f0 [ 297.144975][ T2258] ? kernfs_new_node+0x170/0x170 [ 297.149895][ T2258] ? ptr_to_hashval+0x60/0x60 [ 297.154551][ T2258] ? snprintf+0xd6/0x120 [ 297.158778][ T2258] kernfs_new_node+0x97/0x170 [ 297.163429][ T2258] __kernfs_create_file+0x4a/0x270 [ 297.168524][ T2258] cgroup_addrm_files+0xab8/0xfe0 [ 297.173527][ T2258] ? cgroup_apply_control_enable+0x734/0x12e0 [ 297.179583][ T2258] ? cgroup_apply_control+0x93/0x710 [ 297.184853][ T2258] ? cgroup_subtree_control_write+0xd19/0x1310 [ 297.191102][ T2258] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 297.197287][ T2258] ? delete_node+0x759/0x7b0 [ 297.201896][ T2258] ? __kasan_check_read+0x11/0x20 [ 297.206924][ T2258] ? delete_node+0x759/0x7b0 [ 297.211520][ T2258] ? __kasan_check_write+0x14/0x20 [ 297.216611][ T2258] ? __radix_tree_replace+0x246/0x2e0 [ 297.221970][ T2258] ? idr_get_next+0x4b0/0x4b0 [ 297.226648][ T2258] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 297.231663][ T2258] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 297.236847][ T2258] css_populate_dir+0x137/0x370 [ 297.241747][ T2258] cgroup_apply_control_enable+0x629/0x12e0 [ 297.247632][ T2258] cgroup_apply_control+0x93/0x710 [ 297.252726][ T2258] ? css_next_child+0x160/0x160 [ 297.257556][ T2258] ? set_next_entity+0xc5/0x390 [ 297.262392][ T2258] ? io_schedule+0x120/0x120 [ 297.266989][ T2258] ? kernfs_fop_write_iter+0x15e/0x410 [ 297.272435][ T2258] ? __kasan_check_write+0x14/0x20 [ 297.277622][ T2258] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 297.282895][ T2258] cgroup_subtree_control_write+0xd19/0x1310 [ 297.289039][ T2258] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 297.295007][ T2258] ? __kasan_check_write+0x14/0x20 [ 297.300102][ T2258] ? _copy_from_iter+0x3fb/0xd60 [ 297.305055][ T2258] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 297.311014][ T2258] cgroup_file_write+0x28e/0x590 [ 297.315935][ T2258] ? cgroup_seqfile_stop+0xc0/0xc0 [ 297.321061][ T2258] ? mutex_lock+0xa6/0x110 [ 297.325532][ T2258] ? mutex_trylock+0xb0/0xb0 [ 297.330102][ T2258] ? __kasan_check_write+0x14/0x20 [ 297.335192][ T2258] kernfs_fop_write_iter+0x2d0/0x410 [ 297.340455][ T2258] ? cgroup_seqfile_stop+0xc0/0xc0 [ 297.345630][ T2258] vfs_write+0xc1c/0xf40 [ 297.349852][ T2258] ? kernel_write+0x3c0/0x3c0 [ 297.354511][ T2258] ? mutex_trylock+0xb0/0xb0 [ 297.359082][ T2258] ? __fdget_pos+0x26d/0x310 [ 297.363658][ T2258] ? ksys_write+0x77/0x2c0 [ 297.368174][ T2258] ksys_write+0x198/0x2c0 [ 297.372480][ T2258] ? __ia32_sys_read+0x90/0x90 [ 297.377234][ T2258] ? debug_smp_processor_id+0x17/0x20 [ 297.382668][ T2258] __x64_sys_write+0x7b/0x90 [ 297.387240][ T2258] do_syscall_64+0x34/0x70 [ 297.391638][ T2258] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 297.397526][ T2258] RIP: 0033:0x7fe9a8a760e9 [ 297.403987][ T2258] 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 [ 297.423800][ T2258] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 297.432496][ T2258] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 297.440548][ T2258] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 297.448533][ T2258] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 297.456496][ T2258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 297.464475][ T2258] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 297.473148][ T2258] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 297.480686][ T2258] !!!! control_disable control_disable ss name cpu [ 297.487258][ T2258] !!!! control_disable control_disable ss name memory [ 297.494026][ T2258] !!!! control_disable control_disable ss name pids [ 297.500630][ T2258] !!!! control_disable kill_css(ffff88811f474c00) [ 297.507221][ T2258] !!!! IN kill css_get(ffff88811f474c00) [ 297.513234][ T2258] !!!! IN kill css_get(ffff88811f474c00) [ 297.519064][ T2258] !!!! control_disable control_disable ss name cpu [ 297.525762][ T2258] !!!! control_disable control_disable ss name memory [ 297.532794][ T2258] !!!! control_disable control_disable ss name pids [ 297.539537][ T2258] !!!! control_disable kill_css(ffff88811f663400) [ 297.546347][ T2258] !!!! IN kill css_get(ffff88811f663400) [ 297.552272][ T2258] !!!! IN kill css_get(ffff88811f663400) [ 297.557976][ T2258] !!!! control_disable control_disable ss name cpu [ 297.564567][ T2258] !!!! control_disable control_disable ss name memory [ 297.571428][ T2258] !!!! control_disable control_disable ss name pids [ 297.578033][ T2258] !!!! control_disable kill_css(ffff88811f662000) [ 297.584727][ T2258] !!!! IN kill css_get(ffff88811f662000) [ 297.590436][ T2258] !!!! IN kill css_get(ffff88811f662000) [ 297.596190][ T2258] !!!! control_disable control_disable ss name cpu [ 297.602924][ T2258] !!!! control_disable control_disable ss name memory [ 297.609668][ T2258] !!!! control_disable control_disable ss name cpu [ 297.616194][ T2258] !!!! control_disable control_disable ss name memory [ 297.622967][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f474c00) [ 297.629576][ T2258] !!!! control_disable control_disable ss name cpu [ 297.636084][ T2258] !!!! control_disable control_disable ss name memory [ 297.642882][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f663400) [ 297.642899][ C0] !!!! css_killed_ref_fn enqueue(ffff88811f662000) [ 297.656376][ T2258] !!!! control_disable control_disable ss name cpu [ 297.663594][ T2258] !!!! control_disable control_disable ss name memory [ 297.670417][ T2258] !!!! control_disable control_disable ss name pids [ 297.677141][ T372] !!!! css_release_work_fn(ffff888105394400) [ 297.677396][ T2258] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 297.683864][ T372] !!!! css_free_rwork_fn(ffff888105397000) [ 297.696801][ T2284] !!!! css_free_rwork_fn(ffff888105395400) [ 297.698278][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 297.706704][ T2284] !!!! css_killed_work_fn css_put(ffff88811f474c00) [ 297.711842][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 297.718456][ T2284] !!!! css_release enqueue(ffff88811f474c00) [ 297.725810][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 297.731487][ T372] !!!! css_killed_work_fn css_put(ffff88811f663400) [ 297.738799][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 297.745239][ T372] !!!! css_release enqueue(ffff88811f663400) [ 297.758480][ T372] !!!! css_killed_work_fn css_put(ffff88811f662000) [ 297.765545][ T372] !!!! css_release enqueue(ffff88811f662000) [ 297.771967][ T2274] !!!! css_create css ffff88810e093c00 !!!! [ 297.778239][ T2274] !!!! css_create css ffff88811dfd5000 !!!! [ 297.784540][ T2274] !!!! css_create css ffff88811e876c00 !!!! [ 297.790870][ T2274] FAULT_INJECTION: forcing a failure. [ 297.790870][ T2274] name failslab, interval 1, probability 0, space 0, times 0 [ 297.803661][ T2274] CPU: 0 PID: 2274 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 297.815551][ T2274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.825590][ T2274] Call Trace: [ 297.828864][ T2274] dump_stack_lvl+0x1e2/0x24b [ 297.833525][ T2274] ? bfq_pos_tree_add_move+0x43e/0x43e [ 297.838960][ T2274] ? serial8250_console_write+0xae0/0xe60 [ 297.844661][ T2274] ? record_print_text+0x266/0x420 [ 297.849748][ T2274] dump_stack+0x15/0x17 [ 297.853883][ T2274] should_fail+0x3c0/0x510 [ 297.858281][ T2274] ? __kernfs_new_node+0x99/0x6e0 [ 297.863286][ T2274] __should_failslab+0x9f/0xe0 [ 297.868031][ T2274] should_failslab+0x9/0x20 [ 297.872514][ T2274] __kmalloc_track_caller+0x5f/0x350 [ 297.877793][ T2274] kstrdup_const+0x55/0x90 [ 297.882192][ T2274] __kernfs_new_node+0x99/0x6e0 [ 297.887069][ T2274] ? stack_trace_save+0x1f0/0x1f0 [ 297.892073][ T2274] ? kernfs_new_node+0x170/0x170 [ 297.896990][ T2274] ? ptr_to_hashval+0x60/0x60 [ 297.901766][ T2274] ? snprintf+0xd6/0x120 [ 297.906004][ T2274] kernfs_new_node+0x97/0x170 [ 297.910665][ T2274] __kernfs_create_file+0x4a/0x270 [ 297.915764][ T2274] cgroup_addrm_files+0xab8/0xfe0 [ 297.920770][ T2274] ? cgroup_apply_control_enable+0x734/0x12e0 [ 297.926935][ T2274] ? cgroup_apply_control+0x93/0x710 [ 297.932244][ T2274] ? cgroup_subtree_control_write+0xd19/0x1310 [ 297.938404][ T2274] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 297.944537][ T2274] ? delete_node+0x759/0x7b0 [ 297.949105][ T2274] ? __kasan_check_read+0x11/0x20 [ 297.954118][ T2274] ? delete_node+0x759/0x7b0 [ 297.958689][ T2274] ? __kasan_check_write+0x14/0x20 [ 297.963778][ T2274] ? __radix_tree_replace+0x246/0x2e0 [ 297.969220][ T2274] ? idr_get_next+0x4b0/0x4b0 [ 297.973874][ T2274] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 297.978878][ T2274] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 297.984138][ T2274] css_populate_dir+0x137/0x370 [ 297.989009][ T2274] cgroup_apply_control_enable+0x629/0x12e0 [ 297.995008][ T2274] cgroup_apply_control+0x93/0x710 [ 298.000101][ T2274] ? css_next_child+0x160/0x160 [ 298.005111][ T2274] ? set_next_entity+0xc5/0x390 [ 298.009943][ T2274] ? io_schedule+0x120/0x120 [ 298.014530][ T2274] ? kernfs_fop_write_iter+0x15e/0x410 [ 298.019967][ T2274] ? __kasan_check_write+0x14/0x20 [ 298.025153][ T2274] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 298.030426][ T2274] cgroup_subtree_control_write+0xd19/0x1310 [ 298.036395][ T2274] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.042356][ T2274] ? __kasan_check_write+0x14/0x20 [ 298.047446][ T2274] ? _copy_from_iter+0x3fb/0xd60 [ 298.052364][ T2274] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.058319][ T2274] cgroup_file_write+0x28e/0x590 [ 298.063233][ T2274] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.068328][ T2274] ? mutex_lock+0xa6/0x110 [ 298.073091][ T2274] ? mutex_trylock+0xb0/0xb0 [ 298.077660][ T2274] ? __kasan_check_write+0x14/0x20 [ 298.082749][ T2274] kernfs_fop_write_iter+0x2d0/0x410 [ 298.088013][ T2274] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.093113][ T2274] vfs_write+0xc1c/0xf40 [ 298.097337][ T2274] ? kernel_write+0x3c0/0x3c0 [ 298.102003][ T2274] ? mutex_trylock+0xb0/0xb0 [ 298.106578][ T2274] ? __fdget_pos+0x26d/0x310 [ 298.111168][ T2274] ? ksys_write+0x77/0x2c0 [ 298.115572][ T2274] ksys_write+0x198/0x2c0 [ 298.119880][ T2274] ? __ia32_sys_read+0x90/0x90 [ 298.124619][ T2274] ? debug_smp_processor_id+0x17/0x20 [ 298.129965][ T2274] __x64_sys_write+0x7b/0x90 [ 298.134534][ T2274] do_syscall_64+0x34/0x70 [ 298.138926][ T2274] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 298.144811][ T2274] RIP: 0033:0x7f75104510e9 [ 298.149205][ T2274] 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 [ 298.168787][ T2274] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 298.177176][ T2274] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 298.185127][ T2274] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 298.193085][ T2274] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 298.201032][ T2274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 298.208980][ T2274] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 298.217173][ T2274] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 298.224288][ T2274] !!!! control_disable control_disable ss name cpu [ 298.230782][ T2274] !!!! control_disable control_disable ss name memory [ 298.237558][ T2274] !!!! control_disable control_disable ss name pids [ 298.244274][ T2274] !!!! control_disable kill_css(ffff88810e093c00) [ 298.250914][ T2274] !!!! IN kill css_get(ffff88810e093c00) [ 298.256803][ T2274] !!!! IN kill css_get(ffff88810e093c00) [ 298.262728][ T2274] !!!! control_disable control_disable ss name cpu [ 298.269326][ T2274] !!!! control_disable control_disable ss name memory [ 298.276164][ T2274] !!!! control_disable control_disable ss name pids [ 298.282822][ T2274] !!!! control_disable kill_css(ffff88811dfd5000) [ 298.289408][ T2274] !!!! IN kill css_get(ffff88811dfd5000) [ 298.295186][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e093c00) [ 298.295201][ T2274] !!!! IN kill css_get(ffff88811dfd5000) [ 298.307629][ T2274] !!!! control_disable control_disable ss name cpu [ 298.314232][ T2274] !!!! control_disable control_disable ss name memory [ 298.321103][ T2274] !!!! control_disable control_disable ss name pids [ 298.328018][ T2274] !!!! control_disable kill_css(ffff88811e876c00) [ 298.334568][ T2274] !!!! IN kill css_get(ffff88811e876c00) [ 298.340283][ T2274] !!!! IN kill css_get(ffff88811e876c00) [ 298.346047][ T2274] !!!! control_disable control_disable ss name cpu [ 298.352635][ T2274] !!!! control_disable control_disable ss name memory [ 298.359386][ T2274] !!!! control_disable control_disable ss name cpu [ 298.366058][ T2274] !!!! control_disable control_disable ss name memory [ 298.373229][ T2274] !!!! control_disable control_disable ss name cpu [ 298.379976][ T2274] !!!! control_disable control_disable ss name memory [ 298.386768][ T2274] !!!! control_disable control_disable ss name cpu 2022/06/08 04:04:49 executed programs: 659 [ 298.393309][ T2274] !!!! control_disable control_disable ss name memory [ 298.400049][ T2274] !!!! control_disable control_disable ss name pids [ 298.406655][ T2274] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 298.407041][ T372] !!!! css_release_work_fn(ffff88811f474c00) [ 298.419284][ T372] !!!! css_free_rwork_fn(ffff888105394400) [ 298.420566][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.429164][ T372] !!!! css_release_work_fn(ffff88811f663400) [ 298.433784][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.442177][ T372] !!!! css_release_work_fn(ffff88811f662000) [ 298.445117][ C1] !!!! css_killed_ref_fn enqueue(ffff88811dfd5000) [ 298.451163][ T372] !!!! css_killed_work_fn css_put(ffff88810e093c00) [ 298.458246][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.464509][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e876c00) [ 298.464611][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.472189][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.478274][ T372] !!!! css_release enqueue(ffff88810e093c00) [ 298.485178][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.493177][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.511794][ T435] !!!! css_killed_work_fn css_put(ffff88811dfd5000) [ 298.511823][ T2284] !!!! css_free_rwork_fn(ffff88811f474c00) [ 298.518748][ T435] !!!! css_release enqueue(ffff88811dfd5000) [ 298.525548][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 298.531232][ T19] !!!! css_killed_work_fn css_put(ffff88811e876c00) [ 298.537897][ T2284] !!!! css_free_rwork_fn(ffff88811f663400) [ 298.544549][ T19] !!!! css_release enqueue(ffff88811e876c00) [ 298.550441][ T2284] !!!! css_free_rwork_fn(ffff88811f662000) [ 298.556648][ T2296] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 298.562433][ T2294] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 298.569022][ T2298] !!!! css_create css ffff88810d9d7800 !!!! [ 298.581364][ T2298] !!!! css_create css ffff888118fee000 !!!! [ 298.587357][ T2298] !!!! css_create css ffff888118fec000 !!!! [ 298.593402][ T2298] FAULT_INJECTION: forcing a failure. [ 298.593402][ T2298] name failslab, interval 1, probability 0, space 0, times 0 [ 298.606115][ T2298] CPU: 1 PID: 2298 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 298.617892][ T2298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.628055][ T2298] Call Trace: [ 298.631346][ T2298] dump_stack_lvl+0x1e2/0x24b [ 298.636013][ T2298] ? bfq_pos_tree_add_move+0x43e/0x43e [ 298.641652][ T2298] dump_stack+0x15/0x17 [ 298.646077][ T2298] should_fail+0x3c0/0x510 [ 298.650570][ T2298] ? __kernfs_new_node+0x99/0x6e0 [ 298.655593][ T2298] __should_failslab+0x9f/0xe0 [ 298.660487][ T2298] should_failslab+0x9/0x20 [ 298.665272][ T2298] __kmalloc_track_caller+0x5f/0x350 [ 298.670764][ T2298] kstrdup_const+0x55/0x90 [ 298.675247][ T2298] __kernfs_new_node+0x99/0x6e0 [ 298.680099][ T2298] ? stack_trace_save+0x1f0/0x1f0 [ 298.685106][ T2298] ? kernfs_new_node+0x170/0x170 [ 298.690039][ T2298] ? ptr_to_hashval+0x60/0x60 [ 298.694705][ T2298] ? snprintf+0xd6/0x120 [ 298.699061][ T2298] kernfs_new_node+0x97/0x170 [ 298.703721][ T2298] __kernfs_create_file+0x4a/0x270 [ 298.708921][ T2298] cgroup_addrm_files+0xab8/0xfe0 [ 298.714018][ T2298] ? cgroup_apply_control_enable+0x734/0x12e0 [ 298.720065][ T2298] ? cgroup_apply_control+0x93/0x710 [ 298.725425][ T2298] ? cgroup_subtree_control_write+0xd19/0x1310 [ 298.731786][ T2298] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 298.738013][ T2298] ? delete_node+0x759/0x7b0 [ 298.742692][ T2298] ? __kasan_check_read+0x11/0x20 [ 298.747725][ T2298] ? delete_node+0x759/0x7b0 [ 298.752351][ T2298] ? __kasan_check_write+0x14/0x20 [ 298.757460][ T2298] ? __radix_tree_replace+0x246/0x2e0 [ 298.762818][ T2298] ? idr_get_next+0x4b0/0x4b0 [ 298.767552][ T2298] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 298.772558][ T2298] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 298.777739][ T2298] css_populate_dir+0x137/0x370 [ 298.782684][ T2298] cgroup_apply_control_enable+0x629/0x12e0 [ 298.788654][ T2298] cgroup_apply_control+0x93/0x710 [ 298.793759][ T2298] ? css_next_child+0x160/0x160 [ 298.798595][ T2298] ? set_next_entity+0xc5/0x390 [ 298.803428][ T2298] ? io_schedule+0x120/0x120 [ 298.809105][ T2298] ? kernfs_fop_write_iter+0x15e/0x410 [ 298.814822][ T2298] ? __kasan_check_write+0x14/0x20 [ 298.820048][ T2298] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 298.825362][ T2298] cgroup_subtree_control_write+0xd19/0x1310 [ 298.831337][ T2298] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.837505][ T2298] ? __kasan_check_write+0x14/0x20 [ 298.842723][ T2298] ? _copy_from_iter+0x3fb/0xd60 [ 298.847945][ T2298] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 298.854095][ T2298] cgroup_file_write+0x28e/0x590 [ 298.859032][ T2298] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.864314][ T2298] ? mutex_lock+0xa6/0x110 [ 298.869414][ T2298] ? mutex_trylock+0xb0/0xb0 [ 298.874259][ T2298] ? __kasan_check_write+0x14/0x20 [ 298.879554][ T2298] kernfs_fop_write_iter+0x2d0/0x410 [ 298.884955][ T2298] ? cgroup_seqfile_stop+0xc0/0xc0 [ 298.890146][ T2298] vfs_write+0xc1c/0xf40 [ 298.894635][ T2298] ? kernel_write+0x3c0/0x3c0 [ 298.899971][ T2298] ? mutex_trylock+0xb0/0xb0 [ 298.905223][ T2298] ? __fdget_pos+0x26d/0x310 [ 298.910087][ T2298] ? ksys_write+0x77/0x2c0 [ 298.914519][ T2298] ksys_write+0x198/0x2c0 [ 298.918914][ T2298] ? __ia32_sys_read+0x90/0x90 [ 298.923658][ T2298] ? debug_smp_processor_id+0x17/0x20 [ 298.929410][ T2298] __x64_sys_write+0x7b/0x90 [ 298.934001][ T2298] do_syscall_64+0x34/0x70 [ 298.938936][ T2298] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 298.944987][ T2298] RIP: 0033:0x7ff3e27b70e9 [ 298.949472][ T2298] 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 [ 298.969297][ T2298] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 298.977774][ T2298] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 298.986002][ T2298] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 298.994310][ T2298] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.002455][ T2298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 299.010424][ T2298] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 299.018659][ T2298] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 299.026167][ T2298] !!!! control_disable control_disable ss name cpu [ 299.032877][ T2298] !!!! control_disable control_disable ss name memory [ 299.040078][ T2298] !!!! control_disable control_disable ss name pids [ 299.047073][ T2298] !!!! control_disable kill_css(ffff88810d9d7800) [ 299.054941][ T2298] !!!! IN kill css_get(ffff88810d9d7800) [ 299.061191][ T2298] !!!! IN kill css_get(ffff88810d9d7800) [ 299.067328][ T2298] !!!! control_disable control_disable ss name cpu [ 299.074062][ T2298] !!!! control_disable control_disable ss name memory [ 299.081111][ T2298] !!!! control_disable control_disable ss name pids [ 299.087862][ T2298] !!!! control_disable kill_css(ffff888118fee000) [ 299.094574][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d9d7800) [ 299.094599][ T2298] !!!! IN kill css_get(ffff888118fee000) [ 299.107407][ T2298] !!!! IN kill css_get(ffff888118fee000) [ 299.113215][ T2298] !!!! control_disable control_disable ss name cpu [ 299.119711][ T2298] !!!! control_disable control_disable ss name memory [ 299.126521][ T2298] !!!! control_disable control_disable ss name pids [ 299.133296][ T2298] !!!! control_disable kill_css(ffff888118fec000) [ 299.139777][ T2298] !!!! IN kill css_get(ffff888118fec000) [ 299.145529][ T2298] !!!! IN kill css_get(ffff888118fec000) [ 299.151268][ T2298] !!!! control_disable control_disable ss name cpu [ 299.157786][ T2298] !!!! control_disable control_disable ss name memory [ 299.164767][ T2298] !!!! control_disable control_disable ss name cpu [ 299.171267][ T2298] !!!! control_disable control_disable ss name memory [ 299.178054][ T2298] !!!! control_disable control_disable ss name cpu [ 299.184597][ T2298] !!!! control_disable control_disable ss name memory [ 299.191435][ T2298] !!!! control_disable control_disable ss name cpu [ 299.197954][ T2298] !!!! control_disable control_disable ss name memory [ 299.204716][ T2298] !!!! control_disable control_disable ss name pids [ 299.211670][ T2298] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 299.212017][ T2284] !!!! css_release_work_fn(ffff88810e093c00) [ 299.224650][ T2284] !!!! css_killed_work_fn css_put(ffff88810d9d7800) [ 299.227341][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.235481][ T2284] !!!! css_release enqueue(ffff88810d9d7800) [ 299.240129][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.245343][ C1] !!!! css_killed_ref_fn enqueue(ffff888118fee000) [ 299.247711][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.252687][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.261195][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.266274][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.273570][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.280179][ T435] !!!! css_release_work_fn(ffff88811dfd5000) [ 299.286958][ C1] !!!! css_killed_ref_fn enqueue(ffff888118fec000) [ 299.290497][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.294390][ T435] !!!! css_release_work_fn(ffff88811e876c00) [ 299.320376][ T435] !!!! css_killed_work_fn css_put(ffff888118fee000) [ 299.325557][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.327216][ T435] !!!! css_release enqueue(ffff888118fee000) [ 299.334255][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.347364][ T2284] !!!! css_release_work_fn(ffff88810d9d7800) [ 299.349394][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.354106][ T2284] !!!! css_free_rwork_fn(ffff88810e093c00) [ 299.361005][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.373406][ T435] !!!! css_killed_work_fn css_put(ffff888118fec000) [ 299.380712][ T435] !!!! css_release enqueue(ffff888118fec000) [ 299.385464][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.386874][ T2312] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 299.394526][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.400555][ T2290] !!!! css_create css ffff88811f5dc400 !!!! [ 299.408299][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.415276][ T2290] !!!! css_create css ffff88811f5df800 !!!! [ 299.421270][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 299.426692][ T2290] !!!! css_create css ffff88811f5de400 !!!! [ 299.436669][ T34] !!!! css_free_rwork_fn(ffff88810d9d7800) [ 299.439650][ T2290] FAULT_INJECTION: forcing a failure. [ 299.439650][ T2290] name failslab, interval 1, probability 0, space 0, times 0 [ 299.459036][ T2290] CPU: 1 PID: 2290 Comm: syz-executor.0 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 299.470668][ T2290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.482128][ T2290] Call Trace: [ 299.485406][ T2290] dump_stack_lvl+0x1e2/0x24b [ 299.490067][ T2290] ? bfq_pos_tree_add_move+0x43e/0x43e [ 299.495619][ T2290] ? serial8250_console_write+0xae0/0xe60 [ 299.501404][ T2290] dump_stack+0x15/0x17 [ 299.505537][ T2290] should_fail+0x3c0/0x510 [ 299.509935][ T2290] ? __kernfs_new_node+0x99/0x6e0 [ 299.514938][ T2290] __should_failslab+0x9f/0xe0 [ 299.519678][ T2290] should_failslab+0x9/0x20 [ 299.524157][ T2290] __kmalloc_track_caller+0x5f/0x350 [ 299.531167][ T2290] kstrdup_const+0x55/0x90 [ 299.535837][ T2290] __kernfs_new_node+0x99/0x6e0 [ 299.540697][ T2290] ? stack_trace_save+0x1f0/0x1f0 [ 299.545709][ T2290] ? kernfs_new_node+0x170/0x170 [ 299.550747][ T2290] ? ptr_to_hashval+0x60/0x60 [ 299.555403][ T2290] ? snprintf+0xd6/0x120 [ 299.559630][ T2290] kernfs_new_node+0x97/0x170 [ 299.564289][ T2290] __kernfs_create_file+0x4a/0x270 [ 299.569382][ T2290] cgroup_addrm_files+0xab8/0xfe0 [ 299.574401][ T2290] ? cgroup_apply_control_enable+0x734/0x12e0 [ 299.580520][ T2290] ? cgroup_apply_control+0x93/0x710 [ 299.585801][ T2290] ? cgroup_subtree_control_write+0xd19/0x1310 [ 299.591974][ T2290] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 299.598204][ T2290] ? delete_node+0x759/0x7b0 [ 299.602797][ T2290] ? __kasan_check_read+0x11/0x20 [ 299.608328][ T2290] ? delete_node+0x759/0x7b0 [ 299.612900][ T2290] ? __kasan_check_write+0x14/0x20 [ 299.617992][ T2290] ? __radix_tree_replace+0x246/0x2e0 [ 299.623347][ T2290] ? idr_get_next+0x4b0/0x4b0 [ 299.628018][ T2290] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 299.633050][ T2290] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 299.638233][ T2290] css_populate_dir+0x137/0x370 [ 299.643073][ T2290] cgroup_apply_control_enable+0x629/0x12e0 [ 299.648978][ T2290] cgroup_apply_control+0x93/0x710 [ 299.655046][ T2290] ? css_next_child+0x160/0x160 [ 299.660003][ T2290] ? set_next_entity+0xc5/0x390 [ 299.664847][ T2290] ? io_schedule+0x120/0x120 [ 299.669593][ T2290] ? kernfs_fop_write_iter+0x15e/0x410 [ 299.675299][ T2290] ? __kasan_check_write+0x14/0x20 [ 299.680487][ T2290] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 299.686367][ T2290] cgroup_subtree_control_write+0xd19/0x1310 [ 299.692344][ T2290] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 299.698430][ T2290] ? __kasan_check_write+0x14/0x20 [ 299.703524][ T2290] ? _copy_from_iter+0x3fb/0xd60 [ 299.708611][ T2290] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 299.714659][ T2290] cgroup_file_write+0x28e/0x590 [ 299.719582][ T2290] ? cgroup_seqfile_stop+0xc0/0xc0 [ 299.724673][ T2290] ? mutex_lock+0xa6/0x110 [ 299.729068][ T2290] ? mutex_trylock+0xb0/0xb0 [ 299.733640][ T2290] ? __kasan_check_write+0x14/0x20 [ 299.738737][ T2290] kernfs_fop_write_iter+0x2d0/0x410 [ 299.744040][ T2290] ? cgroup_seqfile_stop+0xc0/0xc0 [ 299.749222][ T2290] vfs_write+0xc1c/0xf40 [ 299.753446][ T2290] ? kernel_write+0x3c0/0x3c0 [ 299.758143][ T2290] ? mutex_trylock+0xb0/0xb0 [ 299.762721][ T2290] ? __fdget_pos+0x26d/0x310 [ 299.767297][ T2290] ? ksys_write+0x77/0x2c0 [ 299.771715][ T2290] ksys_write+0x198/0x2c0 [ 299.776469][ T2290] ? __ia32_sys_read+0x90/0x90 [ 299.781322][ T2290] ? debug_smp_processor_id+0x17/0x20 [ 299.786780][ T2290] __x64_sys_write+0x7b/0x90 [ 299.791449][ T2290] do_syscall_64+0x34/0x70 [ 299.795849][ T2290] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 299.801808][ T2290] RIP: 0033:0x7f5d5b96a0e9 [ 299.806209][ T2290] 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 [ 299.825805][ T2290] RSP: 002b:00007f5d5b8bf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 299.834350][ T2290] RAX: ffffffffffffffda RBX: 00007f5d5ba7d030 RCX: 00007f5d5b96a0e9 [ 299.842395][ T2290] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 299.850370][ T2290] RBP: 00007f5d5b8bf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 299.858330][ T2290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 299.866294][ T2290] R13: 00007ffdad7a0b4f R14: 00007f5d5b8bf300 R15: 0000000000022000 [ 299.874776][ T2290] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 299.882060][ T2290] !!!! control_disable control_disable ss name cpu [ 299.889328][ T2290] !!!! control_disable control_disable ss name memory [ 299.896107][ T2290] !!!! control_disable control_disable ss name pids [ 299.902704][ T2290] !!!! control_disable kill_css(ffff88811f5dc400) [ 299.909212][ T2290] !!!! IN kill css_get(ffff88811f5dc400) [ 299.915028][ T2290] !!!! IN kill css_get(ffff88811f5dc400) [ 299.920766][ T2290] !!!! control_disable control_disable ss name cpu [ 299.927293][ T2290] !!!! control_disable control_disable ss name memory [ 299.934075][ T2290] !!!! control_disable control_disable ss name pids [ 299.940645][ T2290] !!!! control_disable kill_css(ffff88811f5df800) [ 299.947236][ T2290] !!!! IN kill css_get(ffff88811f5df800) [ 299.952961][ T2290] !!!! IN kill css_get(ffff88811f5df800) [ 299.958842][ T2290] !!!! control_disable control_disable ss name cpu [ 299.965879][ T2290] !!!! control_disable control_disable ss name memory [ 299.972831][ T2290] !!!! control_disable control_disable ss name pids [ 299.979399][ T2290] !!!! control_disable kill_css(ffff88811f5de400) [ 299.985999][ T2290] !!!! IN kill css_get(ffff88811f5de400) [ 299.991730][ T2290] !!!! IN kill css_get(ffff88811f5de400) [ 299.997444][ T2290] !!!! control_disable control_disable ss name cpu [ 300.003957][ T2290] !!!! control_disable control_disable ss name memory [ 300.010802][ T2290] !!!! control_disable control_disable ss name cpu [ 300.017332][ T2290] !!!! control_disable control_disable ss name memory [ 300.024284][ T2290] !!!! control_disable control_disable ss name cpu [ 300.030885][ T2290] !!!! control_disable control_disable ss name memory [ 300.037677][ T2290] !!!! control_disable control_disable ss name cpu [ 300.044204][ T2290] !!!! control_disable control_disable ss name memory [ 300.051035][ T2290] !!!! control_disable control_disable ss name pids [ 300.057678][ T2290] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 300.064245][ T435] !!!! css_release_work_fn(ffff888118fee000) [ 300.070438][ T435] !!!! css_free_rwork_fn(ffff88811dfd5000) [ 300.072236][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.076348][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f5dc400) [ 300.084081][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.089918][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f5df800) [ 300.089936][ C1] !!!! css_killed_ref_fn enqueue(ffff88811f5de400) [ 300.098421][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.105144][ T435] !!!! css_free_rwork_fn(ffff88811e876c00) [ 300.111649][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.117722][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.126729][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.129934][ T449] !!!! css_release_work_fn(ffff888118fec000) [ 300.137373][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.145357][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.154646][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.157226][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.177773][ T435] !!!! css_killed_work_fn css_put(ffff88811f5dc400) [ 300.178301][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.184659][ T435] !!!! css_release enqueue(ffff88811f5dc400) [ 300.192716][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.197857][ T449] !!!! css_killed_work_fn css_put(ffff88811f5df800) [ 300.211490][ T449] !!!! css_release enqueue(ffff88811f5df800) [ 300.217734][ T449] !!!! css_killed_work_fn css_put(ffff88811f5de400) [ 300.224543][ T449] !!!! css_release enqueue(ffff88811f5de400) [ 300.230650][ T2315] !!!! css_create css ffff8881216fcc00 !!!! [ 300.236742][ T449] !!!! css_free_rwork_fn(ffff888118fee000) [ 300.236890][ T2315] !!!! css_create css ffff88810d900400 !!!! [ 300.248721][ T2315] !!!! css_create css ffff888121a00400 !!!! [ 300.254680][ T2315] FAULT_INJECTION: forcing a failure. [ 300.254680][ T2315] name failslab, interval 1, probability 0, space 0, times 0 [ 300.267370][ T2315] CPU: 0 PID: 2315 Comm: syz-executor.3 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 300.279092][ T2315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.289186][ T2315] Call Trace: [ 300.292484][ T2315] dump_stack_lvl+0x1e2/0x24b [ 300.297467][ T2315] ? bfq_pos_tree_add_move+0x43e/0x43e [ 300.303828][ T2315] dump_stack+0x15/0x17 [ 300.308011][ T2315] should_fail+0x3c0/0x510 [ 300.312660][ T2315] ? __kernfs_new_node+0x99/0x6e0 [ 300.317946][ T2315] __should_failslab+0x9f/0xe0 [ 300.322700][ T2315] should_failslab+0x9/0x20 [ 300.327326][ T2315] __kmalloc_track_caller+0x5f/0x350 [ 300.332609][ T2315] kstrdup_const+0x55/0x90 [ 300.337077][ T2315] __kernfs_new_node+0x99/0x6e0 [ 300.342024][ T2315] ? stack_trace_save+0x1f0/0x1f0 [ 300.347043][ T2315] ? kernfs_new_node+0x170/0x170 [ 300.352023][ T2315] ? ptr_to_hashval+0x60/0x60 [ 300.356783][ T2315] ? snprintf+0xd6/0x120 [ 300.361036][ T2315] kernfs_new_node+0x97/0x170 [ 300.365693][ T2315] __kernfs_create_file+0x4a/0x270 [ 300.370784][ T2315] cgroup_addrm_files+0xab8/0xfe0 [ 300.376021][ T2315] ? cgroup_apply_control_enable+0x734/0x12e0 [ 300.382512][ T2315] ? cgroup_apply_control+0x93/0x710 [ 300.388056][ T2315] ? cgroup_subtree_control_write+0xd19/0x1310 [ 300.394379][ T2315] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 300.400748][ T2315] ? delete_node+0x759/0x7b0 [ 300.405505][ T2315] ? __kasan_check_read+0x11/0x20 [ 300.410523][ T2315] ? delete_node+0x759/0x7b0 [ 300.415093][ T2315] ? __kasan_check_write+0x14/0x20 [ 300.420182][ T2315] ? __radix_tree_replace+0x246/0x2e0 [ 300.425537][ T2315] ? idr_get_next+0x4b0/0x4b0 [ 300.430192][ T2315] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 300.435385][ T2315] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 300.440558][ T2315] css_populate_dir+0x137/0x370 [ 300.445387][ T2315] cgroup_apply_control_enable+0x629/0x12e0 [ 300.451274][ T2315] cgroup_apply_control+0x93/0x710 [ 300.456389][ T2315] ? css_next_child+0x160/0x160 [ 300.461222][ T2315] ? io_schedule+0x120/0x120 [ 300.465789][ T2315] ? kernfs_fop_write_iter+0x15e/0x410 [ 300.471230][ T2315] ? __kasan_check_write+0x14/0x20 [ 300.476334][ T2315] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 300.481599][ T2315] cgroup_subtree_control_write+0xd19/0x1310 [ 300.487581][ T2315] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.493562][ T2315] ? __kasan_check_write+0x14/0x20 [ 300.498665][ T2315] ? _copy_from_iter+0x3fb/0xd60 [ 300.503577][ T2315] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 300.509529][ T2315] cgroup_file_write+0x28e/0x590 [ 300.514527][ T2315] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.519622][ T2315] ? mutex_lock+0xa6/0x110 [ 300.524026][ T2315] ? mutex_trylock+0xb0/0xb0 [ 300.528617][ T2315] ? __kasan_check_write+0x14/0x20 [ 300.533805][ T2315] kernfs_fop_write_iter+0x2d0/0x410 [ 300.539091][ T2315] ? cgroup_seqfile_stop+0xc0/0xc0 [ 300.544273][ T2315] vfs_write+0xc1c/0xf40 [ 300.548667][ T2315] ? kernel_write+0x3c0/0x3c0 [ 300.553430][ T2315] ? mutex_trylock+0xb0/0xb0 [ 300.557995][ T2315] ? __fdget_pos+0x26d/0x310 [ 300.562733][ T2315] ? ksys_write+0x77/0x2c0 [ 300.567213][ T2315] ksys_write+0x198/0x2c0 [ 300.571518][ T2315] ? __ia32_sys_read+0x90/0x90 [ 300.576261][ T2315] ? debug_smp_processor_id+0x17/0x20 [ 300.581616][ T2315] __x64_sys_write+0x7b/0x90 [ 300.586445][ T2315] do_syscall_64+0x34/0x70 [ 300.590838][ T2315] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 300.596704][ T2315] RIP: 0033:0x7fe9a8a760e9 [ 300.601094][ T2315] 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 [ 300.620705][ T2315] RSP: 002b:00007fe9a89cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 300.629106][ T2315] RAX: ffffffffffffffda RBX: 00007fe9a8b89030 RCX: 00007fe9a8a760e9 [ 300.637759][ T2315] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 300.645715][ T2315] RBP: 00007fe9a89cb1d0 R08: 0000000000000000 R09: 0000000000000000 [ 300.653683][ T2315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 300.661670][ T2315] R13: 00007ffc015d045f R14: 00007fe9a89cb300 R15: 0000000000022000 [ 300.671085][ T2315] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 300.678139][ T2315] !!!! control_disable control_disable ss name cpu [ 300.684650][ T2315] !!!! control_disable control_disable ss name memory [ 300.691399][ T2315] !!!! control_disable control_disable ss name pids [ 300.698023][ T2315] !!!! control_disable kill_css(ffff8881216fcc00) [ 300.704556][ T2315] !!!! IN kill css_get(ffff8881216fcc00) [ 300.710752][ T2315] !!!! IN kill css_get(ffff8881216fcc00) [ 300.716536][ T2315] !!!! control_disable control_disable ss name cpu [ 300.723242][ T2315] !!!! control_disable control_disable ss name memory [ 300.730169][ T2315] !!!! control_disable control_disable ss name pids [ 300.736842][ T2315] !!!! control_disable kill_css(ffff88810d900400) [ 300.743498][ T2315] !!!! IN kill css_get(ffff88810d900400) [ 300.749236][ T2315] !!!! IN kill css_get(ffff88810d900400) [ 300.754976][ T2315] !!!! control_disable control_disable ss name cpu [ 300.761560][ T2315] !!!! control_disable control_disable ss name memory [ 300.768522][ T2315] !!!! control_disable control_disable ss name pids [ 300.775323][ T2315] !!!! control_disable kill_css(ffff888121a00400) [ 300.781838][ T2315] !!!! IN kill css_get(ffff888121a00400) [ 300.787628][ T2315] !!!! IN kill css_get(ffff888121a00400) [ 300.793404][ T2315] !!!! control_disable control_disable ss name cpu [ 300.800101][ T2315] !!!! control_disable control_disable ss name memory [ 300.808116][ T2315] !!!! control_disable control_disable ss name cpu [ 300.814829][ T2315] !!!! control_disable control_disable ss name memory [ 300.821820][ C0] !!!! css_killed_ref_fn enqueue(ffff8881216fcc00) [ 300.828647][ T2315] !!!! control_disable control_disable ss name cpu [ 300.835469][ T2315] !!!! control_disable control_disable ss name memory [ 300.842258][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d900400) [ 300.842275][ C0] !!!! css_killed_ref_fn enqueue(ffff888121a00400) [ 300.856294][ T2315] !!!! control_disable control_disable ss name cpu [ 300.862823][ T2315] !!!! control_disable control_disable ss name memory [ 300.869582][ T2315] !!!! control_disable control_disable ss name pids [ 300.876204][ T2315] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 300.876438][ T449] !!!! css_release_work_fn(ffff88811f5dc400) [ 300.889003][ T372] !!!! css_killed_work_fn css_put(ffff8881216fcc00) [ 300.889078][ T435] !!!! css_free_rwork_fn(ffff888118fec000) [ 300.900602][ T372] !!!! css_release enqueue(ffff8881216fcc00) [ 300.902361][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.908110][ T372] !!!! css_killed_work_fn css_put(ffff88810d900400) [ 300.915339][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.921663][ T372] !!!! css_release enqueue(ffff88810d900400) [ 300.928901][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.941411][ T449] !!!! css_release_work_fn(ffff88811f5df800) [ 300.942206][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 300.947638][ T449] !!!! css_release_work_fn(ffff88811f5de400) [ 300.960709][ T449] !!!! css_free_rwork_fn(ffff88811f5dc400) [ 300.960726][ T372] !!!! css_killed_work_fn css_put(ffff888121a00400) [ 300.973557][ T372] !!!! css_release enqueue(ffff888121a00400) [ 300.979843][ T372] !!!! css_release_work_fn(ffff8881216fcc00) [ 300.986127][ T2297] !!!! css_create css ffff888121941c00 !!!! [ 300.992196][ T2297] !!!! css_create css ffff888121942400 !!!! [ 300.998095][ T2297] !!!! css_create css ffff888121942000 !!!! [ 301.004129][ T449] !!!! css_free_rwork_fn(ffff88811f5df800) [ 301.004454][ T2297] FAULT_INJECTION: forcing a failure. [ 301.004454][ T2297] name failslab, interval 1, probability 0, space 0, times 0 [ 301.021673][ T449] !!!! css_free_rwork_fn(ffff88811f5de400) [ 301.023058][ T2297] CPU: 0 PID: 2297 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 301.040555][ T2297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.050589][ T2297] Call Trace: [ 301.053963][ T2297] dump_stack_lvl+0x1e2/0x24b [ 301.058732][ T2297] ? bfq_pos_tree_add_move+0x43e/0x43e [ 301.064163][ T2297] dump_stack+0x15/0x17 [ 301.068311][ T2297] should_fail+0x3c0/0x510 [ 301.072807][ T2297] ? __kernfs_new_node+0x99/0x6e0 [ 301.078183][ T2297] __should_failslab+0x9f/0xe0 [ 301.082924][ T2297] should_failslab+0x9/0x20 [ 301.087405][ T2297] __kmalloc_track_caller+0x5f/0x350 [ 301.092766][ T2297] kstrdup_const+0x55/0x90 [ 301.097165][ T2297] __kernfs_new_node+0x99/0x6e0 [ 301.102012][ T2297] ? stack_trace_save+0x1f0/0x1f0 [ 301.107114][ T2297] ? kernfs_new_node+0x170/0x170 [ 301.112029][ T2297] ? ptr_to_hashval+0x60/0x60 [ 301.116779][ T2297] ? snprintf+0xd6/0x120 [ 301.121022][ T2297] kernfs_new_node+0x97/0x170 [ 301.125822][ T2297] __kernfs_create_file+0x4a/0x270 [ 301.130930][ T2297] cgroup_addrm_files+0xab8/0xfe0 [ 301.136030][ T2297] ? cgroup_apply_control_enable+0x734/0x12e0 [ 301.142173][ T2297] ? cgroup_apply_control+0x93/0x710 [ 301.147445][ T2297] ? cgroup_subtree_control_write+0xd19/0x1310 [ 301.153710][ T2297] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 301.159877][ T2297] ? delete_node+0x759/0x7b0 [ 301.164578][ T2297] ? __kasan_check_read+0x11/0x20 [ 301.169673][ T2297] ? delete_node+0x759/0x7b0 [ 301.174266][ T2297] ? __kasan_check_write+0x14/0x20 [ 301.179366][ T2297] ? __radix_tree_replace+0x246/0x2e0 [ 301.184739][ T2297] ? idr_get_next+0x4b0/0x4b0 [ 301.189406][ T2297] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 301.194506][ T2297] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 301.199687][ T2297] css_populate_dir+0x137/0x370 [ 301.204640][ T2297] cgroup_apply_control_enable+0x629/0x12e0 [ 301.210513][ T2297] cgroup_apply_control+0x93/0x710 [ 301.215614][ T2297] ? css_next_child+0x160/0x160 [ 301.220443][ T2297] ? set_next_entity+0xc5/0x390 [ 301.225360][ T2297] ? io_schedule+0x120/0x120 [ 301.229931][ T2297] ? kernfs_fop_write_iter+0x15e/0x410 [ 301.235385][ T2297] ? __kasan_check_write+0x14/0x20 [ 301.240565][ T2297] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 301.245830][ T2297] cgroup_subtree_control_write+0xd19/0x1310 [ 301.251807][ T2297] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 301.257764][ T2297] ? __kasan_check_write+0x14/0x20 [ 301.262960][ T2297] ? _copy_from_iter+0x3fb/0xd60 [ 301.267875][ T2297] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 301.273846][ T2297] cgroup_file_write+0x28e/0x590 [ 301.278866][ T2297] ? cgroup_seqfile_stop+0xc0/0xc0 [ 301.283969][ T2297] ? mutex_lock+0xa6/0x110 [ 301.288378][ T2297] ? mutex_trylock+0xb0/0xb0 [ 301.292948][ T2297] ? __kasan_check_write+0x14/0x20 [ 301.298210][ T2297] kernfs_fop_write_iter+0x2d0/0x410 [ 301.303502][ T2297] ? cgroup_seqfile_stop+0xc0/0xc0 [ 301.308881][ T2297] vfs_write+0xc1c/0xf40 [ 301.313107][ T2297] ? kernel_write+0x3c0/0x3c0 [ 301.317764][ T2297] ? mutex_trylock+0xb0/0xb0 [ 301.322335][ T2297] ? __fdget_pos+0x26d/0x310 [ 301.326920][ T2297] ? ksys_write+0x77/0x2c0 [ 301.331315][ T2297] ksys_write+0x198/0x2c0 [ 301.335626][ T2297] ? __ia32_sys_read+0x90/0x90 [ 301.340385][ T2297] ? debug_smp_processor_id+0x17/0x20 [ 301.345734][ T2297] __x64_sys_write+0x7b/0x90 [ 301.350303][ T2297] do_syscall_64+0x34/0x70 [ 301.354699][ T2297] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 301.360573][ T2297] RIP: 0033:0x7f2fc06ba0e9 [ 301.365243][ T2297] 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 [ 301.385347][ T2297] RSP: 002b:00007f2fc060f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 301.394102][ T2297] RAX: ffffffffffffffda RBX: 00007f2fc07cd030 RCX: 00007f2fc06ba0e9 [ 301.402054][ T2297] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 301.410005][ T2297] RBP: 00007f2fc060f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 301.417984][ T2297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 301.426209][ T2297] R13: 00007ffeb1c994ef R14: 00007f2fc060f300 R15: 0000000000022000 [ 301.434461][ T2297] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 301.441768][ T2297] !!!! control_disable control_disable ss name cpu [ 301.448278][ T2297] !!!! control_disable control_disable ss name memory [ 301.455054][ T2297] !!!! control_disable control_disable ss name pids [ 301.461686][ T2297] !!!! control_disable kill_css(ffff888121941c00) [ 301.468807][ T2297] !!!! IN kill css_get(ffff888121941c00) [ 301.474555][ T2297] !!!! IN kill css_get(ffff888121941c00) [ 301.480538][ T2297] !!!! control_disable control_disable ss name cpu [ 301.487143][ T2297] !!!! control_disable control_disable ss name memory [ 301.494178][ T2297] !!!! control_disable control_disable ss name pids [ 301.501022][ T2297] !!!! control_disable kill_css(ffff888121942400) [ 301.507762][ T2297] !!!! IN kill css_get(ffff888121942400) [ 301.513756][ T2297] !!!! IN kill css_get(ffff888121942400) [ 301.519650][ T2297] !!!! control_disable control_disable ss name cpu [ 301.526151][ T2297] !!!! control_disable control_disable ss name memory [ 301.532908][ T2297] !!!! control_disable control_disable ss name pids [ 301.539486][ T2297] !!!! control_disable kill_css(ffff888121942000) [ 301.546021][ T2297] !!!! IN kill css_get(ffff888121942000) [ 301.551847][ T2297] !!!! IN kill css_get(ffff888121942000) [ 301.557547][ T2297] !!!! control_disable control_disable ss name cpu [ 301.564160][ T2297] !!!! control_disable control_disable ss name memory [ 301.571077][ T2297] !!!! control_disable control_disable ss name cpu [ 301.577855][ T2297] !!!! control_disable control_disable ss name memory [ 301.584615][ T2297] !!!! control_disable control_disable ss name cpu [ 301.591137][ T2297] !!!! control_disable control_disable ss name memory [ 301.598169][ T2297] !!!! control_disable control_disable ss name cpu [ 301.604971][ T2297] !!!! control_disable control_disable ss name memory [ 301.612020][ T2297] !!!! control_disable control_disable ss name pids [ 301.618708][ T2297] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 301.626075][ T372] !!!! css_release_work_fn(ffff88810d900400) [ 301.632158][ C0] !!!! css_killed_ref_fn enqueue(ffff888121941c00) [ 301.638791][ T372] !!!! css_release_work_fn(ffff888121a00400) [ 301.641949][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 301.647165][ T372] !!!! css_free_rwork_fn(ffff8881216fcc00) [ 301.652965][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 301.658558][ T372] !!!! css_killed_work_fn css_put(ffff888121941c00) [ 301.665610][ C0] !!!! css_killed_ref_fn enqueue(ffff888121942400) [ 301.665628][ C0] !!!! css_killed_ref_fn enqueue(ffff888121942000) [ 301.666612][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 301.672662][ T372] !!!! css_release enqueue(ffff888121941c00) [ 301.679955][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 301.686879][ T372] !!!! css_killed_work_fn css_put(ffff888121942400) [ 301.712911][ T372] !!!! css_release enqueue(ffff888121942400) [ 301.719210][ T372] !!!! css_killed_work_fn css_put(ffff888121942000) [ 301.725919][ T372] !!!! css_release enqueue(ffff888121942000) [ 301.732032][ T372] !!!! css_release_work_fn(ffff888121941c00) [ 301.738189][ T2292] !!!! css_create css ffff888121c20c00 !!!! [ 301.744729][ T2292] !!!! css_create css ffff888121c23c00 !!!! [ 301.750793][ T2292] !!!! css_create css ffff88810d9d6400 !!!! [ 301.756850][ T2292] FAULT_INJECTION: forcing a failure. [ 301.756850][ T2292] name failslab, interval 1, probability 0, space 0, times 0 [ 301.769478][ T2292] CPU: 1 PID: 2292 Comm: syz-executor.5 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 301.781079][ T2292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.791199][ T2292] Call Trace: [ 301.794557][ T2292] dump_stack_lvl+0x1e2/0x24b [ 301.799383][ T2292] ? bfq_pos_tree_add_move+0x43e/0x43e [ 301.804907][ T2292] ? find_next_bit+0xd6/0x120 [ 301.809599][ T2292] ? cpumask_next+0x11/0x30 [ 301.814167][ T2292] dump_stack+0x15/0x17 [ 301.818316][ T2292] should_fail+0x3c0/0x510 [ 301.822709][ T2292] ? percpu_ref_init+0xd0/0x330 [ 301.827728][ T2292] __should_failslab+0x9f/0xe0 [ 301.832470][ T2292] should_failslab+0x9/0x20 [ 301.836947][ T2292] kmem_cache_alloc_trace+0x3a/0x330 [ 301.842213][ T2292] percpu_ref_init+0xd0/0x330 [ 301.846954][ T2292] ? cgroup_setup_root+0xea0/0xea0 [ 301.852086][ T2292] cgroup_apply_control_enable+0x734/0x12e0 [ 301.857999][ T2292] cgroup_apply_control+0x93/0x710 [ 301.863103][ T2292] ? css_next_child+0x160/0x160 [ 301.867950][ T2292] ? io_schedule+0x120/0x120 [ 301.872712][ T2292] ? kernfs_fop_write_iter+0x15e/0x410 [ 301.878161][ T2292] ? __kasan_check_write+0x14/0x20 [ 301.883292][ T2292] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 301.888554][ T2292] cgroup_subtree_control_write+0xd19/0x1310 [ 301.894526][ T2292] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 301.900596][ T2292] ? __kasan_check_write+0x14/0x20 [ 301.905683][ T2292] ? _copy_from_iter+0x3fb/0xd60 [ 301.910595][ T2292] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 301.916546][ T2292] cgroup_file_write+0x28e/0x590 [ 301.921475][ T2292] ? cgroup_seqfile_stop+0xc0/0xc0 [ 301.926562][ T2292] ? mutex_lock+0xa6/0x110 [ 301.930986][ T2292] ? mutex_trylock+0xb0/0xb0 [ 301.935550][ T2292] ? __kasan_check_write+0x14/0x20 [ 301.940635][ T2292] kernfs_fop_write_iter+0x2d0/0x410 [ 301.945906][ T2292] ? cgroup_seqfile_stop+0xc0/0xc0 [ 301.951008][ T2292] vfs_write+0xc1c/0xf40 [ 301.955236][ T2292] ? kernel_write+0x3c0/0x3c0 [ 301.959916][ T2292] ? mutex_trylock+0xb0/0xb0 [ 301.964493][ T2292] ? __fdget_pos+0x26d/0x310 [ 301.969063][ T2292] ? ksys_write+0x77/0x2c0 [ 301.973896][ T2292] ksys_write+0x198/0x2c0 [ 301.978203][ T2292] ? __ia32_sys_read+0x90/0x90 [ 301.982940][ T2292] ? debug_smp_processor_id+0x17/0x20 [ 301.988304][ T2292] __x64_sys_write+0x7b/0x90 [ 301.992935][ T2292] do_syscall_64+0x34/0x70 [ 301.997346][ T2292] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 302.003234][ T2292] RIP: 0033:0x7fccade130e9 [ 302.007660][ T2292] 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 [ 302.027523][ T2292] RSP: 002b:00007fccadd89168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 302.036020][ T2292] RAX: ffffffffffffffda RBX: 00007fccadf25f60 RCX: 00007fccade130e9 [ 302.044129][ T2292] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 302.052231][ T2292] RBP: 00007fccadd891d0 R08: 0000000000000000 R09: 0000000000000000 [ 302.060174][ T2292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 302.068121][ T2292] R13: 00007ffdbb79d4ff R14: 00007fccadd89300 R15: 0000000000022000 [ 302.076576][ T2292] !!!! css_create rcu_enqueue(ffff88810d9d6400) !!!! [ 302.083365][ T2292] !!!! control_disable control_disable ss name cpu [ 302.090015][ T2292] !!!! control_disable control_disable ss name memory [ 302.096991][ T2292] !!!! control_disable control_disable ss name pids [ 302.103963][ T2292] !!!! control_disable kill_css(ffff888121c20c00) [ 302.110585][ T2292] !!!! IN kill css_get(ffff888121c20c00) [ 302.116621][ T2292] !!!! IN kill css_get(ffff888121c20c00) [ 302.122397][ T2292] !!!! control_disable control_disable ss name cpu [ 302.128883][ T2292] !!!! control_disable control_disable ss name memory [ 302.135736][ T2292] !!!! control_disable control_disable ss name pids [ 302.142512][ T2292] !!!! control_disable kill_css(ffff888121c23c00) [ 302.149746][ T2292] !!!! IN kill css_get(ffff888121c23c00) [ 302.155614][ T2292] !!!! IN kill css_get(ffff888121c23c00) [ 302.161341][ T2292] !!!! control_disable control_disable ss name cpu [ 302.168301][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c20c00) [ 302.175133][ T2292] !!!! control_disable control_disable ss name memory [ 302.182339][ T2292] !!!! control_disable control_disable ss name cpu [ 302.192027][ T2292] !!!! control_disable control_disable ss name memory [ 302.198857][ T2292] !!!! control_disable control_disable ss name cpu [ 302.205481][ T2292] !!!! control_disable control_disable ss name memory [ 302.212512][ C1] !!!! css_killed_ref_fn enqueue(ffff888121c23c00) [ 302.219133][ T2292] !!!! control_disable control_disable ss name cpu [ 302.225692][ T2292] !!!! control_disable control_disable ss name memory [ 302.232510][ T2292] !!!! control_disable control_disable ss name cpu [ 302.238995][ T2292] !!!! control_disable control_disable ss name memory [ 302.245794][ T2292] !!!! control_disable control_disable ss name pids [ 302.252423][ T2292] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 302.252474][ T372] !!!! css_release_work_fn(ffff888121942400) [ 302.267904][ T372] !!!! css_free_rwork_fn(ffff88810d900400) [ 302.267969][ T435] !!!! css_killed_work_fn css_put(ffff888121c20c00) [ 302.280652][ T435] !!!! css_release enqueue(ffff888121c20c00) [ 302.288401][ T435] !!!! css_killed_work_fn css_put(ffff888121c23c00) [ 302.289393][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 302.297344][ T435] !!!! css_release enqueue(ffff888121c23c00) [ 302.303888][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 302.315451][ T372] !!!! css_release_work_fn(ffff888121942000) [ 302.316821][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 302.321660][ T2326] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 302.321888][ T2326] !!!! css_create css ffff88810f589800 !!!! [ 302.329553][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 302.335309][ T372] !!!! css_free_rwork_fn(ffff888121a00400) [ 302.344713][ T2326] !!!! css_create css ffff888114cb0800 !!!! [ 302.349860][ T372] !!!! css_free_rwork_fn(ffff888121941c00) [ 302.354698][ T2326] !!!! css_create css ffff888114cb0c00 !!!! [ 302.360860][ T372] !!!! css_free_rwork_fn(ffff88810d9d6400) [ 302.366647][ T2326] FAULT_INJECTION: forcing a failure. [ 302.366647][ T2326] name failslab, interval 1, probability 0, space 0, times 0 [ 302.372715][ T372] !!!! css_free_rwork_fn(ffff888121942400) [ 302.378409][ T2326] CPU: 1 PID: 2326 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 302.391320][ T372] !!!! css_free_rwork_fn(ffff888121942000) [ 302.396975][ T2326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.396980][ T2326] Call Trace: [ 302.396998][ T2326] dump_stack_lvl+0x1e2/0x24b [ 302.397009][ T2326] ? bfq_pos_tree_add_move+0x43e/0x43e [ 302.397019][ T2326] dump_stack+0x15/0x17 [ 302.397029][ T2326] should_fail+0x3c0/0x510 [ 302.397039][ T2326] ? __kernfs_new_node+0x99/0x6e0 [ 302.397049][ T2326] __should_failslab+0x9f/0xe0 [ 302.397059][ T2326] should_failslab+0x9/0x20 [ 302.397077][ T2326] __kmalloc_track_caller+0x5f/0x350 [ 302.466583][ T2326] kstrdup_const+0x55/0x90 [ 302.470997][ T2326] __kernfs_new_node+0x99/0x6e0 [ 302.475845][ T2326] ? stack_trace_save+0x1f0/0x1f0 [ 302.480942][ T2326] ? kernfs_new_node+0x170/0x170 [ 302.485955][ T2326] ? ptr_to_hashval+0x60/0x60 [ 302.490812][ T2326] ? snprintf+0xd6/0x120 [ 302.495578][ T2326] kernfs_new_node+0x97/0x170 [ 302.500245][ T2326] __kernfs_create_file+0x4a/0x270 [ 302.505348][ T2326] cgroup_addrm_files+0xab8/0xfe0 [ 302.510459][ T2326] ? cgroup_apply_control_enable+0x734/0x12e0 [ 302.516680][ T2326] ? cgroup_apply_control+0x93/0x710 [ 302.521967][ T2326] ? cgroup_subtree_control_write+0xd19/0x1310 [ 302.528102][ T2326] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 302.534241][ T2326] ? delete_node+0x759/0x7b0 [ 302.539005][ T2326] ? __kasan_check_read+0x11/0x20 [ 302.544386][ T2326] ? delete_node+0x759/0x7b0 [ 302.548974][ T2326] ? __kasan_check_write+0x14/0x20 [ 302.554106][ T2326] ? __radix_tree_replace+0x246/0x2e0 [ 302.559742][ T2326] ? idr_get_next+0x4b0/0x4b0 [ 302.564404][ T2326] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 302.569406][ T2326] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 302.574755][ T2326] css_populate_dir+0x137/0x370 [ 302.579692][ T2326] cgroup_apply_control_enable+0x629/0x12e0 [ 302.585747][ T2326] cgroup_apply_control+0x93/0x710 [ 302.590872][ T2326] ? css_next_child+0x160/0x160 [ 302.595741][ T2326] ? io_schedule+0x120/0x120 [ 302.600489][ T2326] ? kernfs_fop_write_iter+0x15e/0x410 [ 302.605942][ T2326] ? __kasan_check_write+0x14/0x20 [ 302.611039][ T2326] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 302.616300][ T2326] cgroup_subtree_control_write+0xd19/0x1310 [ 302.622273][ T2326] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 302.628239][ T2326] ? __kasan_check_write+0x14/0x20 [ 302.633339][ T2326] ? _copy_from_iter+0x3fb/0xd60 [ 302.638259][ T2326] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 302.644425][ T2326] cgroup_file_write+0x28e/0x590 [ 302.649360][ T2326] ? cgroup_seqfile_stop+0xc0/0xc0 [ 302.654461][ T2326] ? mutex_lock+0xa6/0x110 [ 302.658858][ T2326] ? mutex_trylock+0xb0/0xb0 [ 302.663428][ T2326] ? __kasan_check_write+0x14/0x20 [ 302.668539][ T2326] kernfs_fop_write_iter+0x2d0/0x410 [ 302.673804][ T2326] ? cgroup_seqfile_stop+0xc0/0xc0 [ 302.678950][ T2326] vfs_write+0xc1c/0xf40 [ 302.683266][ T2326] ? kernel_write+0x3c0/0x3c0 [ 302.688030][ T2326] ? mutex_trylock+0xb0/0xb0 [ 302.692615][ T2326] ? __fdget_pos+0x26d/0x310 [ 302.697197][ T2326] ? ksys_write+0x77/0x2c0 [ 302.701599][ T2326] ksys_write+0x198/0x2c0 [ 302.705913][ T2326] ? __ia32_sys_read+0x90/0x90 [ 302.710660][ T2326] ? debug_smp_processor_id+0x17/0x20 [ 302.716018][ T2326] __x64_sys_write+0x7b/0x90 [ 302.720595][ T2326] do_syscall_64+0x34/0x70 [ 302.724987][ T2326] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 302.730862][ T2326] RIP: 0033:0x7f2fc06ba0e9 [ 302.735251][ T2326] 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 [ 302.754831][ T2326] RSP: 002b:00007f2fc0630168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 302.763222][ T2326] RAX: ffffffffffffffda RBX: 00007f2fc07ccf60 RCX: 00007f2fc06ba0e9 [ 302.771181][ T2326] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 302.779244][ T2326] RBP: 00007f2fc06301d0 R08: 0000000000000000 R09: 0000000000000000 [ 302.787198][ T2326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 302.795347][ T2326] R13: 00007ffeb1c994ef R14: 00007f2fc0630300 R15: 0000000000022000 [ 302.804620][ T2326] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 302.811906][ T2326] !!!! control_disable control_disable ss name cpu [ 302.818505][ T2326] !!!! control_disable control_disable ss name memory [ 302.825318][ T2326] !!!! control_disable control_disable ss name pids [ 302.832040][ T2326] !!!! control_disable kill_css(ffff88810f589800) [ 302.838732][ T2326] !!!! IN kill css_get(ffff88810f589800) [ 302.844726][ T2326] !!!! IN kill css_get(ffff88810f589800) [ 302.850566][ T2326] !!!! control_disable control_disable ss name cpu [ 302.857229][ T2326] !!!! control_disable control_disable ss name memory [ 302.864145][ T2326] !!!! control_disable control_disable ss name pids [ 302.870882][ T2326] !!!! control_disable kill_css(ffff888114cb0800) [ 302.877600][ T2326] !!!! IN kill css_get(ffff888114cb0800) [ 302.883512][ T2326] !!!! IN kill css_get(ffff888114cb0800) [ 302.889298][ T2326] !!!! control_disable control_disable ss name cpu [ 302.895938][ T2326] !!!! control_disable control_disable ss name memory [ 302.902811][ T2326] !!!! control_disable control_disable ss name pids [ 302.909451][ T2326] !!!! control_disable kill_css(ffff888114cb0c00) [ 302.915979][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f589800) [ 302.922606][ T2326] !!!! IN kill css_get(ffff888114cb0c00) [ 302.928303][ T2326] !!!! IN kill css_get(ffff888114cb0c00) [ 302.934051][ T2326] !!!! control_disable control_disable ss name cpu [ 302.940536][ T2326] !!!! control_disable control_disable ss name memory [ 302.947327][ C0] !!!! css_killed_ref_fn enqueue(ffff888114cb0800) [ 302.954230][ T2326] !!!! control_disable control_disable ss name cpu [ 302.960828][ T2326] !!!! control_disable control_disable ss name memory [ 302.967628][ T2326] !!!! control_disable control_disable ss name cpu [ 302.974129][ C0] !!!! css_killed_ref_fn enqueue(ffff888114cb0c00) [ 302.980721][ T2326] !!!! control_disable control_disable ss name memory [ 302.987504][ T2326] !!!! control_disable control_disable ss name cpu [ 302.994005][ T2326] !!!! control_disable control_disable ss name memory [ 303.000748][ T2326] !!!! control_disable control_disable ss name pids [ 303.007535][ T435] !!!! css_release_work_fn(ffff888121c20c00) [ 303.007578][ T2326] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 303.015859][ T19] !!!! css_release_work_fn(ffff888121c23c00) [ 303.028065][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.034951][ T372] !!!! css_killed_work_fn css_put(ffff88810f589800) [ 303.035864][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.042770][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.053571][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.058453][ T372] !!!! css_release enqueue(ffff88810f589800) [ 303.068488][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.068908][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.075466][ T372] !!!! css_killed_work_fn css_put(ffff888114cb0800) [ 303.082864][ T19] !!!! css_free_rwork_fn(ffff888121c20c00) [ 303.089505][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.095590][ T19] !!!! css_free_rwork_fn(ffff888121c23c00) [ 303.102390][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.108924][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.116396][ T372] !!!! css_release enqueue(ffff888114cb0800) [ 303.124649][ T415] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.131535][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.145006][ T372] !!!! css_killed_work_fn css_put(ffff888114cb0c00) [ 303.146562][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.154120][ T372] !!!! css_release enqueue(ffff888114cb0c00) [ 303.161343][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.165569][ T418] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.172744][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.178902][ T2284] !!!! css_release_work_fn(ffff88810f589800) [ 303.186386][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.192973][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.200082][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.207696][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.217483][ T2339] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 303.220028][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.226073][ T2341] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 303.233481][ T2343] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 303.241766][ T2344] !!!! css_create css ffff888110a23c00 !!!! [ 303.246804][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.252656][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.262691][ T2344] !!!! css_create css ffff88810e4f5000 !!!! [ 303.266563][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.271693][ T2344] !!!! css_create css ffff88810e4f4800 !!!! [ 303.280113][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.284358][ T2344] FAULT_INJECTION: forcing a failure. [ 303.284358][ T2344] name failslab, interval 1, probability 0, space 0, times 0 [ 303.303746][ T2344] CPU: 0 PID: 2344 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 303.315373][ T2344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.325414][ T2344] Call Trace: [ 303.328694][ T2344] dump_stack_lvl+0x1e2/0x24b [ 303.333354][ T2344] ? bfq_pos_tree_add_move+0x43e/0x43e [ 303.338799][ T2344] dump_stack+0x15/0x17 [ 303.342930][ T2344] should_fail+0x3c0/0x510 [ 303.347345][ T2344] ? __kernfs_new_node+0x99/0x6e0 [ 303.352349][ T2344] __should_failslab+0x9f/0xe0 [ 303.357096][ T2344] should_failslab+0x9/0x20 [ 303.361586][ T2344] __kmalloc_track_caller+0x5f/0x350 [ 303.366885][ T2344] kstrdup_const+0x55/0x90 [ 303.371281][ T2344] __kernfs_new_node+0x99/0x6e0 [ 303.376124][ T2344] ? stack_trace_save+0x1f0/0x1f0 [ 303.381157][ T2344] ? kernfs_new_node+0x170/0x170 [ 303.386080][ T2344] ? ptr_to_hashval+0x60/0x60 [ 303.390828][ T2344] ? snprintf+0xd6/0x120 [ 303.395054][ T2344] ? debug_smp_processor_id+0x17/0x20 [ 303.400402][ T2344] kernfs_new_node+0x97/0x170 [ 303.405170][ T2344] __kernfs_create_file+0x4a/0x270 [ 303.410278][ T2344] cgroup_addrm_files+0xab8/0xfe0 [ 303.415285][ T2344] ? cgroup_apply_control_enable+0x734/0x12e0 [ 303.421413][ T2344] ? cgroup_apply_control+0x93/0x710 [ 303.426685][ T2344] ? cgroup_subtree_control_write+0xd19/0x1310 [ 303.432932][ T2344] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 303.439166][ T2344] ? delete_node+0x759/0x7b0 [ 303.443737][ T2344] ? __kasan_check_read+0x11/0x20 [ 303.448910][ T2344] ? delete_node+0x759/0x7b0 [ 303.453475][ T2344] ? __kasan_check_write+0x14/0x20 [ 303.458563][ T2344] ? __radix_tree_replace+0x246/0x2e0 [ 303.463939][ T2344] ? idr_get_next+0x4b0/0x4b0 [ 303.468615][ T2344] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 303.473624][ T2344] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 303.478908][ T2344] css_populate_dir+0x137/0x370 [ 303.484167][ T2344] cgroup_apply_control_enable+0x629/0x12e0 [ 303.490063][ T2344] cgroup_apply_control+0x93/0x710 [ 303.495213][ T2344] ? css_next_child+0x160/0x160 [ 303.500073][ T2344] ? set_next_entity+0xc5/0x390 [ 303.504911][ T2344] ? io_schedule+0x120/0x120 [ 303.509572][ T2344] ? kernfs_fop_write_iter+0x15e/0x410 [ 303.515015][ T2344] ? __kasan_check_write+0x14/0x20 [ 303.520122][ T2344] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 303.525385][ T2344] cgroup_subtree_control_write+0xd19/0x1310 [ 303.531518][ T2344] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 303.537658][ T2344] ? __kasan_check_write+0x14/0x20 [ 303.542747][ T2344] ? _copy_from_iter+0x3fb/0xd60 [ 303.547662][ T2344] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 303.553617][ T2344] cgroup_file_write+0x28e/0x590 [ 303.558620][ T2344] ? cgroup_seqfile_stop+0xc0/0xc0 [ 303.563844][ T2344] ? mutex_lock+0xa6/0x110 [ 303.568263][ T2344] ? mutex_trylock+0xb0/0xb0 [ 303.573010][ T2344] ? __kasan_check_write+0x14/0x20 [ 303.578378][ T2344] kernfs_fop_write_iter+0x2d0/0x410 [ 303.583745][ T2344] ? cgroup_seqfile_stop+0xc0/0xc0 [ 303.588965][ T2344] vfs_write+0xc1c/0xf40 [ 303.593189][ T2344] ? kernel_write+0x3c0/0x3c0 [ 303.597851][ T2344] ? mutex_trylock+0xb0/0xb0 [ 303.602447][ T2344] ? __fdget_pos+0x26d/0x310 [ 303.607019][ T2344] ? ksys_write+0x77/0x2c0 [ 303.611503][ T2344] ksys_write+0x198/0x2c0 [ 303.615830][ T2344] ? __ia32_sys_read+0x90/0x90 [ 303.620571][ T2344] ? debug_smp_processor_id+0x17/0x20 [ 303.625924][ T2344] __x64_sys_write+0x7b/0x90 [ 303.630490][ T2344] do_syscall_64+0x34/0x70 [ 303.634907][ T2344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 303.640796][ T2344] RIP: 0033:0x7ff3e27b70e9 [ 303.645220][ T2344] 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 [ 303.665073][ T2344] RSP: 002b:00007ff3e270c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 303.673481][ T2344] RAX: ffffffffffffffda RBX: 00007ff3e28ca030 RCX: 00007ff3e27b70e9 [ 303.681445][ T2344] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 303.689398][ T2344] RBP: 00007ff3e270c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 303.697355][ T2344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 303.705307][ T2344] R13: 00007ffc498a578f R14: 00007ff3e270c300 R15: 0000000000022000 [ 303.713903][ T2344] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 303.721008][ T2344] !!!! control_disable control_disable ss name cpu [ 303.727560][ T2344] !!!! control_disable control_disable ss name memory [ 303.734545][ T2344] !!!! control_disable control_disable ss name pids [ 303.741183][ T2344] !!!! control_disable kill_css(ffff888110a23c00) [ 303.747745][ T2344] !!!! IN kill css_get(ffff888110a23c00) [ 303.753470][ T2344] !!!! IN kill css_get(ffff888110a23c00) [ 303.759177][ T2344] !!!! control_disable control_disable ss name cpu [ 303.765825][ T2344] !!!! control_disable control_disable ss name memory [ 303.772763][ T2344] !!!! control_disable control_disable ss name pids [ 303.779334][ T2344] !!!! control_disable kill_css(ffff88810e4f5000) [ 303.785901][ T2344] !!!! IN kill css_get(ffff88810e4f5000) [ 303.791637][ T2344] !!!! IN kill css_get(ffff88810e4f5000) [ 303.797364][ T2344] !!!! control_disable control_disable ss name cpu [ 303.803902][ T2344] !!!! control_disable control_disable ss name memory [ 303.811186][ T2344] !!!! control_disable control_disable ss name pids [ 303.817785][ T2344] !!!! control_disable kill_css(ffff88810e4f4800) [ 303.824307][ T2344] !!!! IN kill css_get(ffff88810e4f4800) [ 303.830090][ T2344] !!!! IN kill css_get(ffff88810e4f4800) [ 303.835855][ T2344] !!!! control_disable control_disable ss name cpu [ 303.843010][ T2344] !!!! control_disable control_disable ss name memory [ 303.849850][ T2344] !!!! control_disable control_disable ss name cpu [ 303.856520][ T2344] !!!! control_disable control_disable ss name memory [ 303.863346][ C0] !!!! css_killed_ref_fn enqueue(ffff888110a23c00) [ 303.869972][ T2344] !!!! control_disable control_disable ss name cpu [ 303.876496][ T2344] !!!! control_disable control_disable ss name memory [ 303.883303][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e4f5000) [ 303.883330][ C0] !!!! css_killed_ref_fn enqueue(ffff88810e4f4800) [ 303.896889][ T2344] !!!! control_disable control_disable ss name cpu [ 303.903416][ T2344] !!!! control_disable control_disable ss name memory [ 303.910160][ T2344] !!!! control_disable control_disable ss name pids 2022/06/08 04:04:55 executed programs: 677 [ 303.916774][ T2284] !!!! css_release_work_fn(ffff888114cb0800) [ 303.919904][ T2344] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 303.923237][ T2284] !!!! css_release_work_fn(ffff888114cb0c00) [ 303.936950][ T2284] !!!! css_free_rwork_fn(ffff88810f589800) [ 303.941374][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.942989][ T2284] !!!! css_killed_work_fn css_put(ffff888110a23c00) [ 303.957119][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.957992][ T2284] !!!! css_release enqueue(ffff888110a23c00) [ 303.965699][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.971269][ T34] !!!! css_killed_work_fn css_put(ffff88810e4f5000) [ 303.978347][ T414] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 303.984217][ T416] ------------[ cut here ]------------ [ 303.996696][ T416] WARNING: CPU: 0 PID: 416 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 304.005786][ T416] Modules linked in: [ 304.009695][ T416] CPU: 0 PID: 416 Comm: syz-executor.1 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 304.021337][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.031430][ T416] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 304.037053][ T416] Code: 48 c7 c2 c0 06 04 86 e8 e4 f2 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 e5 b7 a2 ff e9 ea fc ff ff [ 304.056949][ T416] RSP: 0018:ffffc90000f37ca0 EFLAGS: 00010293 [ 304.063034][ T416] RAX: ffffffff81b68cca RBX: 00000000ffffffff RCX: ffff8881041de2c0 [ 304.071188][ T416] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 304.079282][ T416] RBP: ffffc90000f37d70 R08: ffffffff81b689b8 R09: 0000000000000003 [ 304.087291][ T416] R10: fffff520001e6f85 R11: 1ffff920001e6f84 R12: dffffc0000000000 [ 304.095284][ T416] R13: ffff888115fcdc00 R14: ffffc90000f37d00 R15: 1ffff920001e6f9c [ 304.103287][ T416] FS: 0000555557085400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 304.112236][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 304.118996][ T416] CR2: 0000555555de5b38 CR3: 000000011e0c5000 CR4: 00000000003506b0 [ 304.127107][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 304.135181][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 304.143255][ T416] Call Trace: [ 304.146543][ T416] ? lockref_get_or_lock+0x340/0x340 [ 304.151931][ T416] ? umount_tree+0xf50/0xf50 [ 304.156611][ T416] ? vfs_submount+0xb0/0xb0 [ 304.161192][ T416] ? dput+0x2b6/0x320 [ 304.165189][ T416] path_umount+0x1fe/0xfb0 [ 304.170300][ T416] ? namespace_unlock+0x4f0/0x4f0 [ 304.175355][ T416] ? user_path_at_empty+0x40/0x50 [ 304.180630][ T416] __x64_sys_umount+0x122/0x170 [ 304.185493][ T416] ? path_umount+0xfb0/0xfb0 [ 304.190252][ T416] ? debug_smp_processor_id+0x17/0x20 [ 304.195833][ T416] do_syscall_64+0x34/0x70 [ 304.200950][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 304.207031][ T416] RIP: 0033:0x7ff3e27b8557 [ 304.211436][ T416] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 304.231059][ T416] RSP: 002b:00007ffc498a48e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 304.239491][ T416] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3e27b8557 [ 304.247498][ T416] RDX: 00007ffc498a49bb RSI: 000000000000000a RDI: 00007ffc498a49b0 [ 304.255493][ T416] RBP: 00007ffc498a49b0 R08: 00000000ffffffff R09: 00007ffc498a4780 [ 304.263570][ T416] R10: 0000555557086ba3 R11: 0000000000000246 R12: 00007ff3e28101f8 [ 304.271554][ T416] R13: 00007ffc498a5a70 R14: 0000555557086b00 R15: 00007ffc498a5ab0 [ 304.279560][ T416] ---[ end trace 676ba25a5c410be3 ]--- [ 304.285110][ T34] !!!! css_release enqueue(ffff88810e4f5000) [ 304.286308][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.295899][ T2284] !!!! css_killed_work_fn css_put(ffff88810e4f4800) [ 304.301839][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.306837][ T2284] !!!! css_release enqueue(ffff88810e4f4800) [ 304.318269][ T2357] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 304.319226][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.324868][ T2345] !!!! css_create css ffff88810fe64000 !!!! [ 304.333232][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.340276][ T2345] !!!! css_create css ffff88810fa85c00 !!!! [ 304.346950][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.351298][ T2345] !!!! css_create css ffff88810fe7d800 !!!! [ 304.358340][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.363698][ T2345] FAULT_INJECTION: forcing a failure. [ 304.363698][ T2345] name failslab, interval 1, probability 0, space 0, times 0 [ 304.370886][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.383914][ T2345] CPU: 0 PID: 2345 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 304.391353][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.402217][ T2345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.402221][ T2345] Call Trace: [ 304.402238][ T2345] dump_stack_lvl+0x1e2/0x24b [ 304.402248][ T2345] ? bfq_pos_tree_add_move+0x43e/0x43e [ 304.402258][ T2345] dump_stack+0x15/0x17 [ 304.402275][ T2345] should_fail+0x3c0/0x510 [ 304.409647][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.419127][ T2345] ? __kernfs_new_node+0x99/0x6e0 [ 304.419138][ T2345] __should_failslab+0x9f/0xe0 [ 304.419148][ T2345] should_failslab+0x9/0x20 [ 304.419158][ T2345] __kmalloc_track_caller+0x5f/0x350 [ 304.419174][ T2345] kstrdup_const+0x55/0x90 [ 304.431819][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.432538][ T2345] __kernfs_new_node+0x99/0x6e0 [ 304.432547][ T2345] ? stack_trace_save+0x1f0/0x1f0 [ 304.432562][ T2345] ? kernfs_new_node+0x170/0x170 [ 304.436957][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.441099][ T2345] ? ptr_to_hashval+0x60/0x60 [ 304.448614][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 304.452912][ T2345] ? snprintf+0xd6/0x120 [ 304.452922][ T2345] kernfs_new_node+0x97/0x170 [ 304.452931][ T2345] __kernfs_create_file+0x4a/0x270 [ 304.452941][ T2345] cgroup_addrm_files+0xab8/0xfe0 [ 304.452958][ T2345] ? cgroup_apply_control_enable+0x734/0x12e0 [ 304.536652][ T2345] ? cgroup_apply_control+0x93/0x710 [ 304.541914][ T2345] ? cgroup_subtree_control_write+0xd19/0x1310 [ 304.548056][ T2345] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 304.554187][ T2345] ? delete_node+0x759/0x7b0 [ 304.560065][ T2345] ? __kasan_check_read+0x11/0x20 [ 304.565097][ T2345] ? delete_node+0x759/0x7b0 [ 304.569663][ T2345] ? __kasan_check_write+0x14/0x20 [ 304.574808][ T2345] ? __radix_tree_replace+0x246/0x2e0 [ 304.580162][ T2345] ? idr_get_next+0x4b0/0x4b0 [ 304.584823][ T2345] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 304.589928][ T2345] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 304.595120][ T2345] css_populate_dir+0x137/0x370 [ 304.599957][ T2345] cgroup_apply_control_enable+0x629/0x12e0 [ 304.605832][ T2345] cgroup_apply_control+0x93/0x710 [ 304.610927][ T2345] ? css_next_child+0x160/0x160 [ 304.615760][ T2345] ? io_schedule+0x120/0x120 [ 304.620324][ T2345] ? kernfs_fop_write_iter+0x15e/0x410 [ 304.625758][ T2345] ? __kasan_check_write+0x14/0x20 [ 304.630850][ T2345] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 304.636113][ T2345] cgroup_subtree_control_write+0xd19/0x1310 [ 304.642091][ T2345] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 304.648052][ T2345] ? __kasan_check_write+0x14/0x20 [ 304.653141][ T2345] ? _copy_from_iter+0x3fb/0xd60 [ 304.658076][ T2345] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 304.664041][ T2345] cgroup_file_write+0x28e/0x590 [ 304.668959][ T2345] ? cgroup_seqfile_stop+0xc0/0xc0 [ 304.674047][ T2345] ? mutex_lock+0xa6/0x110 [ 304.678455][ T2345] ? mutex_trylock+0xb0/0xb0 [ 304.683024][ T2345] ? __kasan_check_write+0x14/0x20 [ 304.688119][ T2345] kernfs_fop_write_iter+0x2d0/0x410 [ 304.693389][ T2345] ? cgroup_seqfile_stop+0xc0/0xc0 [ 304.698499][ T2345] vfs_write+0xc1c/0xf40 [ 304.702719][ T2345] ? kernel_write+0x3c0/0x3c0 [ 304.707385][ T2345] ? mutex_trylock+0xb0/0xb0 [ 304.711958][ T2345] ? __fdget_pos+0x26d/0x310 [ 304.716528][ T2345] ? ksys_write+0x77/0x2c0 [ 304.720920][ T2345] ksys_write+0x198/0x2c0 [ 304.725230][ T2345] ? __ia32_sys_read+0x90/0x90 [ 304.729981][ T2345] ? debug_smp_processor_id+0x17/0x20 [ 304.735337][ T2345] __x64_sys_write+0x7b/0x90 [ 304.739910][ T2345] do_syscall_64+0x34/0x70 [ 304.744317][ T2345] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 304.750378][ T2345] RIP: 0033:0x7f75104510e9 [ 304.754769][ T2345] 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 [ 304.774445][ T2345] RSP: 002b:00007f75103a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 304.782964][ T2345] RAX: ffffffffffffffda RBX: 00007f7510564030 RCX: 00007f75104510e9 [ 304.791641][ T2345] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 304.799599][ T2345] RBP: 00007f75103a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 304.807564][ T2345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 304.815660][ T2345] R13: 00007ffd3f2651cf R14: 00007f75103a6300 R15: 0000000000022000 [ 304.823976][ T2345] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 304.831127][ T2345] !!!! control_disable control_disable ss name cpu [ 304.837711][ T2345] !!!! control_disable control_disable ss name memory [ 304.844523][ T2345] !!!! control_disable control_disable ss name pids [ 304.851170][ T2345] !!!! control_disable kill_css(ffff88810fe64000) [ 304.857921][ T2345] !!!! IN kill css_get(ffff88810fe64000) [ 304.863689][ T2345] !!!! IN kill css_get(ffff88810fe64000) [ 304.869438][ T2345] !!!! control_disable control_disable ss name cpu [ 304.876103][ T2345] !!!! control_disable control_disable ss name memory [ 304.883387][ T2345] !!!! control_disable control_disable ss name pids [ 304.890015][ T2345] !!!! control_disable kill_css(ffff88810fa85c00) [ 304.896806][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fe64000) [ 304.903565][ T2345] !!!! IN kill css_get(ffff88810fa85c00) [ 304.909269][ T2345] !!!! IN kill css_get(ffff88810fa85c00) [ 304.915079][ T2345] !!!! control_disable control_disable ss name cpu [ 304.921571][ T2345] !!!! control_disable control_disable ss name memory [ 304.928366][ T2345] !!!! control_disable control_disable ss name pids [ 304.934955][ T2345] !!!! control_disable kill_css(ffff88810fe7d800) [ 304.941436][ T2345] !!!! IN kill css_get(ffff88810fe7d800) [ 304.947165][ T2345] !!!! IN kill css_get(ffff88810fe7d800) [ 304.952909][ T2345] !!!! control_disable control_disable ss name cpu [ 304.959397][ T2345] !!!! control_disable control_disable ss name memory [ 304.966264][ T2345] !!!! control_disable control_disable ss name cpu [ 304.972783][ T2345] !!!! control_disable control_disable ss name memory [ 304.979527][ T2345] !!!! control_disable control_disable ss name cpu [ 304.986024][ T2345] !!!! control_disable control_disable ss name memory [ 304.992786][ T2345] !!!! control_disable control_disable ss name cpu [ 304.999257][ T2345] !!!! control_disable control_disable ss name memory [ 305.006034][ T2345] !!!! control_disable control_disable ss name pids [ 305.012650][ T34] !!!! css_release_work_fn(ffff888110a23c00) [ 305.013540][ T2345] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 305.018955][ T34] !!!! css_free_rwork_fn(ffff888114cb0800) [ 305.031843][ T34] !!!! css_free_rwork_fn(ffff888114cb0c00) [ 305.032673][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.039949][ T34] !!!! css_release_work_fn(ffff88810e4f5000) [ 305.048632][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.051617][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fa85c00) [ 305.057670][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.064196][ C0] !!!! css_release enqueue(ffff88810fa85c00) [ 305.064215][ C0] list_add corruption. prev->next should be next (ffff8881f725c060), but was ffff88810fa85c70. (prev=ffff88810fa85c70). [ 305.071532][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.077159][ C0] ------------[ cut here ]------------ [ 305.090989][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.096445][ C0] kernel BUG at lib/list_debug.c:28! [ 305.096465][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 305.096476][ C0] CPU: 0 PID: 160 Comm: udevd Tainted: G W 5.10.110-syzkaller-00001-g3e2849f855c8 #0 [ 305.096490][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.102401][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.108750][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 305.108769][ C0] Code: 48 c7 c7 40 de 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 00 df 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 305.114681][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.120266][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 305.120279][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: bb7b7fc54d456a00 [ 305.120285][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 305.120300][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b2f8 R09: ffffed103ee44e83 [ 305.131928][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.141236][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff88810fa85c70 [ 305.141244][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff88810fa85c70 [ 305.141253][ C0] FS: 00007f5034e8d840(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 305.141271][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.152392][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.157209][ C0] CR2: 000000c00077b000 CR3: 000000010cca9000 CR4: 00000000003506b0 [ 305.157220][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.157235][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.177700][ T408] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.183726][ C0] Call Trace: [ 305.183732][ C0] [ 305.183747][ C0] insert_work+0x107/0x330 [ 305.183763][ C0] __queue_work+0x971/0xd30 [ 305.183779][ C0] queue_work_on+0xf2/0x150 [ 305.191175][ T419] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.197791][ C0] ? wq_worker_last_func+0x50/0x50 [ 305.197802][ C0] ? __alloc_reserved_percpu+0x30/0x30 [ 305.197813][ C0] ? __kasan_check_read+0x11/0x20 [ 305.197831][ C0] css_release+0xc0/0xd0 [ 305.206608][ T416] !!!! cgroup_sk_free cgroup_put(css ffffffff85fabeb0) [ 305.213740][ C0] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 305.213756][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 305.213766][ C0] rcu_do_batch+0x4f8/0xbc0 [ 305.213782][ C0] ? local_bh_enable+0x20/0x20 [ 305.364352][ C0] ? note_gp_changes+0x158/0x260 [ 305.369273][ C0] ? clockevents_program_event+0x218/0x2d0 [ 305.375058][ C0] ? preempt_schedule_common+0x100/0x100 [ 305.380658][ C0] rcu_core+0x59b/0xe30 [ 305.384969][ C0] ? preempt_schedule_notrace_thunk+0x16/0x18 [ 305.391007][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 305.396277][ C0] ? kvm_sched_clock_read+0x2f/0x40 [ 305.401631][ C0] ? sched_clock+0x3a/0x40 [ 305.406041][ C0] ? sched_clock_cpu+0x1b/0x3b0 [ 305.410868][ C0] ? irqtime_account_irq+0x76/0x270 [ 305.416563][ C0] rcu_core_si+0x9/0x10 [ 305.420713][ C0] __do_softirq+0x27e/0x596 [ 305.425186][ C0] asm_call_irq_on_stack+0xf/0x20 [ 305.430177][ C0] [ 305.433090][ C0] do_softirq_own_stack+0x60/0x80 [ 305.438095][ C0] __irq_exit_rcu+0x128/0x150 [ 305.442845][ C0] irq_exit_rcu+0x9/0x10 [ 305.447058][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 305.452675][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 305.458627][ C0] RIP: 0010:dput+0x1/0x320 [ 305.463014][ C0] Code: 08 4c 89 ff e8 40 4f f2 ff 41 80 4f 02 01 4c 89 f7 e8 73 d3 de 02 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 fc e8 da 88 b8 ff 4d [ 305.482877][ C0] RSP: 0018:ffffc90000bc75b0 EFLAGS: 00000246 [ 305.488915][ C0] RAX: 1ffff92000178f41 RBX: 0000000000000000 RCX: 0000000000000000 [ 305.497216][ C0] RDX: ffff88810c85e2c0 RSI: 0000000000000000 RDI: ffff88810e866880 [ 305.505169][ C0] RBP: ffffc90000bc76f0 R08: ffffffff81b24966 R09: fffffbfff0c0d461 [ 305.513111][ C0] R10: fffffbfff0c0d461 R11: 1ffffffff0c0d460 R12: ffffc90000bc7670 [ 305.521067][ C0] R13: ffffc90000bc7a00 R14: dffffc0000000000 R15: 1ffff92000178ec8 [ 305.529010][ C0] ? step_into+0x326/0xe30 [ 305.533399][ C0] ? step_into+0x34b/0xe30 [ 305.537783][ C0] ? set_root+0x3f0/0x3f0 [ 305.542085][ C0] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 305.547866][ C0] ? mutex_lock+0xa6/0x110 [ 305.552253][ C0] walk_component+0x33b/0x5a0 [ 305.556902][ C0] ? generic_permission+0x161/0x470 [ 305.562088][ C0] ? nd_alloc_stack+0xf0/0xf0 [ 305.566734][ C0] ? security_inode_permission+0xdd/0x120 [ 305.572422][ C0] ? inode_permission+0xef/0x500 [ 305.577333][ C0] ? kernfs_evict_inode+0x60/0x60 [ 305.582333][ C0] link_path_walk+0x5e7/0xc40 [ 305.586995][ C0] ? memcpy+0x56/0x70 [ 305.590952][ C0] ? handle_lookup_down+0x130/0x130 [ 305.596117][ C0] ? __kasan_slab_alloc+0xc9/0xe0 [ 305.601116][ C0] ? __se_sys_newfstatat+0xc8/0x780 [ 305.606281][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 305.612320][ C0] path_lookupat+0xab/0x460 [ 305.616880][ C0] filename_lookup+0x23f/0x6c0 [ 305.621634][ C0] ? hashlen_string+0x120/0x120 [ 305.626455][ C0] ? getname_flags+0x1fb/0x510 [ 305.631187][ C0] user_path_at_empty+0x40/0x50 [ 305.636004][ C0] vfs_statx+0x116/0x3f0 [ 305.640214][ C0] ? vfs_fstatat+0x40/0x40 [ 305.644597][ C0] __se_sys_newfstatat+0xc8/0x780 [ 305.649589][ C0] ? __kasan_check_write+0x14/0x20 [ 305.654676][ C0] ? __x64_sys_newfstatat+0xb0/0xb0 [ 305.659847][ C0] ? vfs_submount+0xb0/0xb0 [ 305.664842][ C0] ? mntput+0x5c/0xc0 [ 305.668794][ C0] __x64_sys_newfstatat+0x9b/0xb0 [ 305.673786][ C0] do_syscall_64+0x34/0x70 [ 305.678174][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 305.684034][ C0] RIP: 0033:0x7f5034fe41da [ 305.688497][ C0] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 69 fc 0c 00 f7 [ 305.709680][ C0] RSP: 002b:00007fff45f4b2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 305.718072][ C0] RAX: ffffffffffffffda RBX: 0000559eedfe8850 RCX: 00007f5034fe41da [ 305.726024][ C0] RDX: 00007fff45f4b2c8 RSI: 00007fff45f4b758 RDI: 00000000ffffff9c [ 305.733982][ C0] RBP: 00007fff45f4b358 R08: 0000000000000000 R09: 0000559eedfda1d0 [ 305.741923][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff45f4b758 [ 305.749863][ C0] R13: 00007fff45f4b2c8 R14: 0000559eedfaf2c0 R15: 0000000000000000 [ 305.757813][ C0] Modules linked in: [ 305.761697][ C0] ---[ end trace 676ba25a5c410be4 ]--- [ 305.767138][ C0] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 305.772578][ C0] Code: 48 c7 c7 40 de 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 00 df 43 85 4c 89 f6 4c 89 e1 31 c0 e8 77 10 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 305.792166][ C0] RSP: 0018:ffffc90000007a00 EFLAGS: 00010046 [ 305.798221][ C0] RAX: 0000000000000075 RBX: ffff8881f725c068 RCX: bb7b7fc54d456a00 [ 305.806164][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000 [ 305.814115][ C0] RBP: ffffc90000007a28 R08: ffffffff8153b2f8 R09: ffffed103ee44e83 [ 305.822059][ C0] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff88810fa85c70 [ 305.830111][ C0] R13: dffffc0000000000 R14: ffff8881f725c060 R15: ffff88810fa85c70 [ 305.838068][ C0] FS: 00007f5034e8d840(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 305.846978][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.853538][ C0] CR2: 000000c00077b000 CR3: 000000010cca9000 CR4: 00000000003506b0 [ 305.861575][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.869518][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.877462][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 306.977625][ C0] Shutting down cpus with NMI [ 306.982622][ C0] Kernel Offset: disabled [ 306.986944][ C0] Rebooting in 86400 seconds..