4474] ? __kasan_check_write+0x14/0x20 [ 401.236108][ T4474] ? __radix_tree_replace+0x246/0x2e0 [ 401.241454][ T4474] ? idr_get_next+0x4b0/0x4b0 [ 401.246111][ T4474] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 401.251361][ T4474] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 401.256543][ T4474] css_populate_dir+0x137/0x370 [ 401.261383][ T4474] cgroup_apply_control_enable+0x629/0x12e0 [ 401.267274][ T4474] cgroup_apply_control+0x93/0x710 [ 401.273196][ T4474] ? css_next_child+0x160/0x160 [ 401.278067][ T4474] ? dequeue_task_fair+0x7ad/0xb50 [ 401.283176][ T4474] ? io_schedule+0x120/0x120 [ 401.287751][ T4474] ? kernfs_fop_write_iter+0x15e/0x410 [ 401.293185][ T4474] ? __kasan_check_write+0x14/0x20 [ 401.298320][ T4474] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 401.303603][ T4474] cgroup_subtree_control_write+0xd19/0x1310 [ 401.309556][ T4474] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 401.315509][ T4474] ? __kasan_check_write+0x14/0x20 [ 401.320614][ T4474] ? _copy_from_iter+0x3fb/0xd60 [ 401.325524][ T4474] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 401.331473][ T4474] cgroup_file_write+0x28e/0x590 [ 401.336526][ T4474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 401.342336][ T4474] ? mutex_lock+0xa6/0x110 [ 401.346736][ T4474] ? mutex_trylock+0xb0/0xb0 [ 401.351299][ T4474] ? __kasan_check_write+0x14/0x20 [ 401.356772][ T4474] kernfs_fop_write_iter+0x2d0/0x410 [ 401.362319][ T4474] ? cgroup_seqfile_stop+0xc0/0xc0 [ 401.367521][ T4474] vfs_write+0xc1c/0xf40 [ 401.371927][ T4474] ? kernel_write+0x3c0/0x3c0 [ 401.376683][ T4474] ? mutex_trylock+0xb0/0xb0 [ 401.381248][ T4474] ? __fdget_pos+0x26d/0x310 [ 401.385807][ T4474] ? ksys_write+0x77/0x2c0 [ 401.390204][ T4474] ksys_write+0x198/0x2c0 [ 401.394507][ T4474] ? __ia32_sys_read+0x90/0x90 [ 401.399350][ T4474] ? debug_smp_processor_id+0x17/0x20 [ 401.404733][ T4474] __x64_sys_write+0x7b/0x90 [ 401.409515][ T4474] do_syscall_64+0x34/0x70 [ 401.413921][ T4474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.419940][ T4474] RIP: 0033:0x7f55debc30e9 [ 401.424345][ T4474] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 401.444120][ T4474] RSP: 002b:00007f55deb18168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 401.452616][ T4474] RAX: ffffffffffffffda RBX: 00007f55decd6030 RCX: 00007f55debc30e9 [ 401.460654][ T4474] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 401.468703][ T4474] RBP: 00007f55deb181d0 R08: 0000000000000000 R09: 0000000000000000 [ 401.476673][ T4474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 401.484813][ T4474] R13: 00007ffc86b84aff R14: 00007f55deb18300 R15: 0000000000022000 [ 401.493845][ T4474] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 401.501436][ T4474] !!!! control_disable control_disable ss name cpu [ 401.508164][ T4474] !!!! control_disable control_disable ss name memory [ 401.515016][ T4474] !!!! control_disable control_disable ss name pids [ 401.521847][ T4474] !!!! control_disable kill_css(ffff88811906f800) [ 401.528809][ T4474] !!!! control_disable control_disable ss name cpu [ 401.535472][ T4474] !!!! control_disable control_disable ss name memory [ 401.542652][ C1] !!!! put_css_set_locked css_put(ffff888110066800) [ 401.542658][ C1] !!!! put_css_set_locked css_put(ffff88810198ac00) [ 401.542663][ C1] !!!! put_css_set_locked css_put(ffff88810ffc2800) [ 401.542668][ C1] !!!! put_css_set_locked css_put(ffff8881102c0000) [ 401.542672][ C1] !!!! put_css_set_locked css_put(ffff88810fe18000) [ 401.542677][ C1] !!!! put_css_set_locked css_put(ffff88810ffc3800) [ 401.542681][ C1] !!!! put_css_set_locked css_put(ffff88810ffc2c00) [ 401.542686][ C1] !!!! put_css_set_locked css_put(ffff888100124400) [ 401.542699][ C1] !!!! put_css_set_locked cgroup_put(self ffff88810fe1c000) [ 401.542710][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110242000) [ 401.542720][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110364000) [ 401.542835][ C1] !!!! put_css_set_locked css_put(ffff888110d6d000) [ 401.542841][ C1] !!!! put_css_set_locked css_put(ffff88810fe4cc00) [ 401.542847][ C1] !!!! put_css_set_locked css_put(ffff8881103b3400) [ 401.542852][ C1] !!!! put_css_set_locked css_put(ffff888121fb9c00) [ 401.542858][ C1] !!!! put_css_set_locked css_put(ffff88811055a000) [ 401.542863][ C1] !!!! put_css_set_locked css_put(ffff88810fc79400) [ 401.542869][ C1] !!!! put_css_set_locked css_put(ffff88810fc78400) [ 401.542874][ C1] !!!! put_css_set_locked css_put(ffff888100124400) [ 401.542880][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110524000) [ 401.542891][ C1] !!!! put_css_set_locked cgroup_put(self ffff88811143e000) [ 401.542899][ C1] !!!! put_css_set_locked cgroup_put(self ffff888110e10000) [ 401.694600][ T4474] !!!! control_disable control_disable ss name pids [ 401.701188][ T4474] !!!! control_disable kill_css(ffff88811c730000) [ 401.708044][ T4474] !!!! control_disable control_disable ss name cpu [ 401.708251][ C0] !!!! css_killed_ref_fn enqueue(ffff88811906f800) [ 401.714588][ T4474] !!!! control_disable control_disable ss name memory [ 401.727917][ T4474] !!!! control_disable control_disable ss name pids [ 401.734552][ T4474] !!!! control_disable kill_css(ffff88811c731000) [ 401.741045][ T4474] !!!! control_disable control_disable ss name cpu [ 401.747997][ T4474] !!!! control_disable control_disable ss name memory [ 401.755053][ T4474] !!!! control_disable control_disable ss name cpu [ 401.761542][ T4474] !!!! control_disable control_disable ss name memory [ 401.768338][ T4474] !!!! control_disable control_disable ss name cpu [ 401.775073][ T4474] !!!! control_disable control_disable ss name memory [ 401.782172][ T4474] !!!! control_disable control_disable ss name cpu [ 401.788672][ T4474] !!!! control_disable control_disable ss name memory [ 401.795785][ T4474] !!!! control_disable control_disable ss name pids [ 401.802398][ T4474] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 401.802461][ T378] !!!! css_killed_work_fn css_put(ffff88811906f800) [ 401.815957][ T378] !!!! css_release enqueue(ffff88811906f800) [ 401.822357][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c730000) [ 401.829284][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c731000) [ 401.835981][ T50] !!!! css_killed_work_fn css_put(ffff88811c730000) [ 401.842886][ T50] !!!! css_release enqueue(ffff88811c730000) [ 401.849258][ T50] !!!! css_killed_work_fn css_put(ffff88811c731000) [ 401.856460][ T50] !!!! css_release enqueue(ffff88811c731000) [ 401.862690][ T4488] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 401.869322][ T4493] !!!! css_create css ffff88810d693400 !!!! [ 401.869390][ T4493] !!!! css_create css ffff88810d693c00 !!!! [ 401.881430][ T4493] !!!! css_create css ffff88810d691400 !!!! [ 401.888834][ T4493] FAULT_INJECTION: forcing a failure. [ 401.888834][ T4493] name failslab, interval 1, probability 0, space 0, times 0 [ 401.901516][ T4493] CPU: 1 PID: 4493 Comm: syz-executor.4 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 401.913122][ T4493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.923278][ T4493] Call Trace: [ 401.926563][ T4493] dump_stack_lvl+0x1e2/0x24b [ 401.931233][ T4493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 401.936843][ T4493] dump_stack+0x15/0x17 [ 401.941000][ T4493] should_fail+0x3c0/0x510 [ 401.945518][ T4493] ? __kernfs_new_node+0x99/0x6e0 [ 401.950521][ T4493] __should_failslab+0x9f/0xe0 [ 401.955261][ T4493] should_failslab+0x9/0x20 [ 401.959739][ T4493] __kmalloc_track_caller+0x5f/0x350 [ 401.965020][ T4493] kstrdup_const+0x55/0x90 [ 401.969530][ T4493] __kernfs_new_node+0x99/0x6e0 [ 401.974598][ T4493] ? stack_trace_save+0x1f0/0x1f0 [ 401.979626][ T4493] ? kernfs_new_node+0x170/0x170 [ 401.984542][ T4493] ? ptr_to_hashval+0x60/0x60 [ 401.989192][ T4493] ? snprintf+0xd6/0x120 [ 401.993411][ T4493] kernfs_new_node+0x97/0x170 [ 401.998198][ T4493] __kernfs_create_file+0x4a/0x270 [ 402.003401][ T4493] cgroup_addrm_files+0xab8/0xfe0 [ 402.008423][ T4493] ? cgroup_apply_control_enable+0x734/0x12e0 [ 402.014480][ T4493] ? cgroup_apply_control+0x93/0x710 [ 402.019769][ T4493] ? cgroup_subtree_control_write+0xd19/0x1310 [ 402.026037][ T4493] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 402.032173][ T4493] ? delete_node+0x759/0x7b0 [ 402.036745][ T4493] ? __kasan_check_read+0x11/0x20 [ 402.041771][ T4493] ? delete_node+0x759/0x7b0 [ 402.046844][ T4493] ? __kasan_check_write+0x14/0x20 [ 402.052117][ T4493] ? __radix_tree_replace+0x246/0x2e0 [ 402.057490][ T4493] ? idr_get_next+0x4b0/0x4b0 [ 402.062164][ T4493] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 402.067184][ T4493] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 402.072366][ T4493] css_populate_dir+0x137/0x370 [ 402.077205][ T4493] cgroup_apply_control_enable+0x629/0x12e0 [ 402.083078][ T4493] cgroup_apply_control+0x93/0x710 [ 402.088168][ T4493] ? css_next_child+0x160/0x160 [ 402.092998][ T4493] ? set_next_entity+0xc5/0x390 [ 402.097916][ T4493] ? io_schedule+0x120/0x120 [ 402.102498][ T4493] ? kernfs_fop_write_iter+0x15e/0x410 [ 402.109536][ T4493] ? __kasan_check_write+0x14/0x20 [ 402.114650][ T4493] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 402.120018][ T4493] cgroup_subtree_control_write+0xd19/0x1310 [ 402.126009][ T4493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 402.131977][ T4493] ? __kasan_check_write+0x14/0x20 [ 402.137523][ T4493] ? _copy_from_iter+0x3fb/0xd60 [ 402.142442][ T4493] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 402.148684][ T4493] cgroup_file_write+0x28e/0x590 [ 402.153600][ T4493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 402.158693][ T4493] ? mutex_lock+0xa6/0x110 [ 402.163188][ T4493] ? mutex_trylock+0xb0/0xb0 [ 402.167761][ T4493] ? __kasan_check_write+0x14/0x20 [ 402.172848][ T4493] kernfs_fop_write_iter+0x2d0/0x410 [ 402.178124][ T4493] ? cgroup_seqfile_stop+0xc0/0xc0 [ 402.183390][ T4493] vfs_write+0xc1c/0xf40 [ 402.187647][ T4493] ? kernel_write+0x3c0/0x3c0 [ 402.192305][ T4493] ? mutex_trylock+0xb0/0xb0 [ 402.196878][ T4493] ? __fdget_pos+0x26d/0x310 [ 402.201448][ T4493] ? ksys_write+0x77/0x2c0 [ 402.205844][ T4493] ksys_write+0x198/0x2c0 [ 402.210157][ T4493] ? __ia32_sys_read+0x90/0x90 [ 402.214911][ T4493] ? debug_smp_processor_id+0x17/0x20 [ 402.220260][ T4493] __x64_sys_write+0x7b/0x90 [ 402.224833][ T4493] do_syscall_64+0x34/0x70 [ 402.229240][ T4493] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 402.235124][ T4493] RIP: 0033:0x7f8884d2b0e9 [ 402.239542][ T4493] 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 [ 402.259564][ T4493] RSP: 002b:00007f8884c80168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 402.267958][ T4493] RAX: ffffffffffffffda RBX: 00007f8884e3e030 RCX: 00007f8884d2b0e9 [ 402.275910][ T4493] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 402.283947][ T4493] RBP: 00007f8884c801d0 R08: 0000000000000000 R09: 0000000000000000 [ 402.291913][ T4493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 402.299868][ T4493] R13: 00007ffe012fae2f R14: 00007f8884c80300 R15: 0000000000022000 [ 402.308491][ T4493] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 402.315753][ T4493] !!!! control_disable control_disable ss name cpu [ 402.322505][ T4493] !!!! control_disable control_disable ss name memory [ 402.330529][ T4493] !!!! control_disable control_disable ss name pids [ 402.337215][ T4493] !!!! control_disable kill_css(ffff88810d693400) [ 402.343807][ T4493] !!!! control_disable control_disable ss name cpu [ 402.350290][ T4493] !!!! control_disable control_disable ss name memory [ 402.357106][ T4493] !!!! control_disable control_disable ss name pids [ 402.363811][ T4493] !!!! control_disable kill_css(ffff88810d693c00) [ 402.370358][ T4493] !!!! control_disable control_disable ss name cpu [ 402.377184][ T4493] !!!! control_disable control_disable ss name memory [ 402.384107][ T4493] !!!! control_disable control_disable ss name pids [ 402.391281][ T4493] !!!! control_disable kill_css(ffff88810d691400) [ 402.398023][ T4493] !!!! control_disable control_disable ss name cpu [ 402.398031][ C1] !!!! css_killed_ref_fn enqueue(ffff88810d693400) [ 402.411328][ T4493] !!!! control_disable control_disable ss name memory [ 402.412132][ C1] !!!! css_killed_ref_fn enqueue(ffff88810d693c00) [ 402.418102][ T4493] !!!! control_disable control_disable ss name cpu [ 402.431226][ T4493] !!!! control_disable control_disable ss name memory [ 402.438002][ T4493] !!!! control_disable control_disable ss name cpu [ 402.444532][ T4493] !!!! control_disable control_disable ss name memory [ 402.451285][ T4493] !!!! control_disable control_disable ss name cpu [ 402.457795][ T4493] !!!! control_disable control_disable ss name memory [ 402.464572][ T4493] !!!! control_disable control_disable ss name pids [ 402.471169][ T4493] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 402.471244][ T372] !!!! css_killed_work_fn css_put(ffff88810d693400) [ 402.484387][ T372] !!!! css_release enqueue(ffff88810d693400) [ 402.490851][ T372] !!!! css_killed_work_fn css_put(ffff88810d693c00) [ 402.492108][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d691400) [ 402.497851][ T372] !!!! css_release enqueue(ffff88810d693c00) [ 402.510323][ T24] !!!! css_killed_work_fn css_put(ffff88810d691400) [ 402.517248][ T24] !!!! css_release enqueue(ffff88810d691400) [ 402.523485][ T4494] !!!! css_create css ffff88811ca6b400 !!!! [ 402.529674][ T4494] !!!! css_create css ffff88811ca6b000 !!!! [ 402.536218][ C0] !!!! put_css_set_locked css_put(ffff888110d6dc00) [ 402.542887][ C0] !!!! put_css_set_locked css_put(ffff88810198a400) [ 402.549544][ C0] !!!! put_css_set_locked css_put(ffff8881103b2400) [ 402.556281][ C0] !!!! put_css_set_locked css_put(ffff88811162d400) [ 402.562940][ C0] !!!! put_css_set_locked css_put(ffff8881108dc000) [ 402.570073][ C0] !!!! put_css_set_locked css_put(ffff8881103b2200) [ 402.576834][ C0] !!!! put_css_set_locked css_put(ffff8881103b2600) [ 402.583517][ C0] !!!! put_css_set_locked css_put(ffff888100124400) [ 402.590352][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110720000) [ 402.597707][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110e14000) [ 402.605146][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110e12000) [ 402.612779][ C0] !!!! put_css_set_locked css_put(ffff88811f372800) [ 402.619601][ C0] !!!! put_css_set_locked css_put(ffff88810198b400) [ 402.626487][ C0] !!!! put_css_set_locked css_put(ffff888101bf1200) [ 402.633217][ C0] !!!! put_css_set_locked css_put(ffff88811f371c00) [ 402.639869][ C0] !!!! put_css_set_locked css_put(ffff888107de0000) [ 402.647104][ C0] !!!! put_css_set_locked css_put(ffff88811f38ca00) [ 402.653852][ C0] !!!! put_css_set_locked css_put(ffff88811f38cc00) [ 402.660507][ C0] !!!! put_css_set_locked css_put(ffff888100124400) [ 402.667185][ C0] !!!! put_css_set_locked cgroup_put(self ffff888107de6000) [ 402.674899][ C0] !!!! put_css_set_locked cgroup_put(self ffff88810013a000) [ 402.682369][ C0] !!!! put_css_set_locked cgroup_put(self ffff888107de4000) [ 402.690936][ T4494] !!!! css_create css ffff88810d695c00 !!!! [ 402.697235][ T4494] FAULT_INJECTION: forcing a failure. [ 402.697235][ T4494] name failslab, interval 1, probability 0, space 0, times 0 [ 402.710145][ T4494] CPU: 0 PID: 4494 Comm: syz-executor.2 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 402.722095][ T4494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.732143][ T4494] Call Trace: [ 402.735522][ T4494] dump_stack_lvl+0x1e2/0x24b [ 402.740174][ T4494] ? bfq_pos_tree_add_move+0x43e/0x43e [ 402.745626][ T4494] dump_stack+0x15/0x17 [ 402.749756][ T4494] should_fail+0x3c0/0x510 [ 402.754145][ T4494] ? __kernfs_new_node+0x99/0x6e0 [ 402.759157][ T4494] __should_failslab+0x9f/0xe0 [ 402.763902][ T4494] should_failslab+0x9/0x20 [ 402.768380][ T4494] __kmalloc_track_caller+0x5f/0x350 [ 402.773652][ T4494] kstrdup_const+0x55/0x90 [ 402.778061][ T4494] __kernfs_new_node+0x99/0x6e0 [ 402.782974][ T4494] ? stack_trace_save+0x1f0/0x1f0 [ 402.787972][ T4494] ? kernfs_new_node+0x170/0x170 [ 402.793158][ T4494] ? ptr_to_hashval+0x60/0x60 [ 402.797830][ T4494] ? snprintf+0xd6/0x120 [ 402.802073][ T4494] kernfs_new_node+0x97/0x170 [ 402.806745][ T4494] __kernfs_create_file+0x4a/0x270 [ 402.811836][ T4494] cgroup_addrm_files+0xab8/0xfe0 [ 402.816833][ T4494] ? cgroup_apply_control_enable+0x734/0x12e0 [ 402.822872][ T4494] ? cgroup_apply_control+0x93/0x710 [ 402.828298][ T4494] ? cgroup_subtree_control_write+0xd19/0x1310 [ 402.834513][ T4494] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 402.841013][ T4494] ? delete_node+0x759/0x7b0 [ 402.845601][ T4494] ? __kasan_check_read+0x11/0x20 [ 402.850613][ T4494] ? delete_node+0x759/0x7b0 [ 402.855296][ T4494] ? __kasan_check_write+0x14/0x20 [ 402.860407][ T4494] ? __radix_tree_replace+0x246/0x2e0 [ 402.865945][ T4494] ? idr_get_next+0x4b0/0x4b0 [ 402.870613][ T4494] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 402.875628][ T4494] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 402.880800][ T4494] css_populate_dir+0x137/0x370 [ 402.885630][ T4494] cgroup_apply_control_enable+0x629/0x12e0 [ 402.891587][ T4494] cgroup_apply_control+0x93/0x710 [ 402.896692][ T4494] ? css_next_child+0x160/0x160 [ 402.901517][ T4494] ? set_next_entity+0xc5/0x390 [ 402.906342][ T4494] ? io_schedule+0x120/0x120 [ 402.910994][ T4494] ? kernfs_fop_write_iter+0x15e/0x410 [ 402.916427][ T4494] ? __kasan_check_write+0x14/0x20 [ 402.921528][ T4494] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 402.926917][ T4494] cgroup_subtree_control_write+0xd19/0x1310 [ 402.932891][ T4494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 402.938853][ T4494] ? __kasan_check_write+0x14/0x20 [ 402.944154][ T4494] ? _copy_from_iter+0x3fb/0xd60 [ 402.949088][ T4494] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 402.955258][ T4494] cgroup_file_write+0x28e/0x590 [ 402.960172][ T4494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 402.965365][ T4494] ? mutex_lock+0xa6/0x110 [ 402.969764][ T4494] ? mutex_trylock+0xb0/0xb0 [ 402.974350][ T4494] ? __kasan_check_write+0x14/0x20 [ 402.979695][ T4494] kernfs_fop_write_iter+0x2d0/0x410 [ 402.984959][ T4494] ? cgroup_seqfile_stop+0xc0/0xc0 [ 402.990041][ T4494] vfs_write+0xc1c/0xf40 [ 402.994255][ T4494] ? kernel_write+0x3c0/0x3c0 [ 402.998945][ T4494] ? mutex_trylock+0xb0/0xb0 [ 403.003940][ T4494] ? __fdget_pos+0x26d/0x310 [ 403.008516][ T4494] ? ksys_write+0x77/0x2c0 [ 403.013004][ T4494] ksys_write+0x198/0x2c0 [ 403.018053][ T4494] ? __ia32_sys_read+0x90/0x90 [ 403.022952][ T4494] ? debug_smp_processor_id+0x17/0x20 [ 403.029145][ T4494] __x64_sys_write+0x7b/0x90 [ 403.034029][ T4494] do_syscall_64+0x34/0x70 [ 403.038909][ T4494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 403.045589][ T4494] RIP: 0033:0x7f1923d6a0e9 [ 403.050023][ T4494] 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 [ 403.070500][ T4494] RSP: 002b:00007f1923cbf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 403.079029][ T4494] RAX: ffffffffffffffda RBX: 00007f1923e7d030 RCX: 00007f1923d6a0e9 [ 403.088304][ T4494] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 403.096556][ T4494] RBP: 00007f1923cbf1d0 R08: 0000000000000000 R09: 0000000000000000 [ 403.106609][ T4494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 403.114826][ T4494] R13: 00007ffd48745b3f R14: 00007f1923cbf300 R15: 0000000000022000 [ 403.123259][ T4494] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 403.130370][ T4494] !!!! control_disable control_disable ss name cpu [ 403.136994][ T4494] !!!! control_disable control_disable ss name memory [ 403.144145][ T4494] !!!! control_disable control_disable ss name pids [ 403.151357][ T4494] !!!! control_disable kill_css(ffff88811ca6b400) [ 403.157959][ T4494] !!!! control_disable control_disable ss name cpu [ 403.165290][ T4494] !!!! control_disable control_disable ss name memory [ 403.172046][ T4494] !!!! control_disable control_disable ss name pids [ 403.179117][ T4494] !!!! control_disable kill_css(ffff88811ca6b000) [ 403.185699][ T4494] !!!! control_disable control_disable ss name cpu [ 403.192239][ T4494] !!!! control_disable control_disable ss name memory [ 403.199009][ T4494] !!!! control_disable control_disable ss name pids [ 403.205789][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca6b400) [ 403.212545][ T4494] !!!! control_disable kill_css(ffff88810d695c00) [ 403.219097][ T4494] !!!! control_disable control_disable ss name cpu [ 403.225678][ T4494] !!!! control_disable control_disable ss name memory [ 403.232487][ C0] !!!! css_killed_ref_fn enqueue(ffff88811ca6b000) [ 403.239107][ T4494] !!!! control_disable control_disable ss name cpu [ 403.245829][ T4494] !!!! control_disable control_disable ss name memory [ 403.252603][ C0] !!!! css_killed_ref_fn enqueue(ffff88810d695c00) [ 403.259207][ T4494] !!!! control_disable control_disable ss name cpu [ 403.265826][ T4494] !!!! control_disable control_disable ss name memory [ 403.272719][ T4494] !!!! control_disable control_disable ss name cpu [ 403.272851][ T1012] device bridge_slave_1 left promiscuous mode [ 403.279217][ T4494] !!!! control_disable control_disable ss name memory [ 403.285583][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.292026][ T4494] !!!! control_disable control_disable ss name pids [ 403.305880][ T24] !!!! css_killed_work_fn css_put(ffff88811ca6b400) [ 403.306020][ T1012] device bridge_slave_0 left promiscuous mode [ 403.312573][ T4494] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 403.313682][ T24] !!!! css_release enqueue(ffff88811ca6b400) [ 403.318893][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.326192][ T378] !!!! css_killed_work_fn css_put(ffff88811ca6b000) [ 403.345697][ T378] !!!! css_release enqueue(ffff88811ca6b000) [ 403.351772][ T378] !!!! css_killed_work_fn css_put(ffff88810d695c00) [ 403.358480][ T378] !!!! css_release enqueue(ffff88810d695c00) [ 403.602265][ C0] !!!! put_css_set_locked css_put(ffff888110676c00) [ 403.609042][ C0] !!!! put_css_set_locked css_put(ffff88810fe4d400) [ 403.615700][ C0] !!!! put_css_set_locked css_put(ffff88811041e400) [ 403.622351][ C0] !!!! put_css_set_locked css_put(ffff8881109b8800) [ 403.628999][ C0] !!!! put_css_set_locked css_put(ffff888110658000) [ 403.635678][ C0] !!!! put_css_set_locked css_put(ffff88810fd76000) [ 403.642451][ C0] !!!! put_css_set_locked css_put(ffff88810fd77400) [ 403.649117][ C0] !!!! put_css_set_locked css_put(ffff888100124400) [ 403.655774][ C0] !!!! put_css_set_locked cgroup_put(self ffff88811065e000) [ 403.663125][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110b68000) [ 403.670496][ C0] !!!! put_css_set_locked cgroup_put(self ffff88811053e000) [ 404.602442][ C0] !!!! put_css_set_locked css_put(ffff888110471800) [ 404.609454][ C0] !!!! put_css_set_locked css_put(ffff88810198b000) [ 404.616115][ C0] !!!! put_css_set_locked css_put(ffff888110418600) [ 404.622864][ C0] !!!! put_css_set_locked css_put(ffff888110677800) [ 404.629519][ C0] !!!! put_css_set_locked css_put(ffff88811045e000) [ 404.637047][ C0] !!!! put_css_set_locked css_put(ffff8881103b6a00) [ 404.645012][ C0] !!!! put_css_set_locked css_put(ffff8881103b7400) [ 404.651851][ C0] !!!! put_css_set_locked css_put(ffff888100124400) [ 404.658593][ C0] !!!! put_css_set_locked cgroup_put(self ffff8881f73e6000) [ 404.667606][ C0] !!!! put_css_set_locked cgroup_put(self ffff888110514000) [ 404.675839][ C0] !!!! put_css_set_locked cgroup_put(self ffff88811053a000) [ 404.822657][ T1012] device bridge_slave_1 left promiscuous mode [ 404.828789][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.836506][ T1012] device bridge_slave_0 left promiscuous mode [ 404.842689][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.850230][ T1012] device bridge_slave_1 left promiscuous mode [ 404.856749][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.864215][ T1012] device bridge_slave_0 left promiscuous mode [ 404.870585][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.878219][ T1012] device bridge_slave_1 left promiscuous mode [ 404.884433][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.892266][ T1012] device bridge_slave_0 left promiscuous mode [ 404.898725][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.906358][ T1012] device bridge_slave_1 left promiscuous mode [ 404.912530][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.919859][ T1012] device bridge_slave_0 left promiscuous mode [ 404.926445][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.933918][ T1012] device bridge_slave_1 left promiscuous mode [ 404.940132][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.947705][ T1012] device bridge_slave_0 left promiscuous mode [ 404.953960][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. [ 406.370171][ T4503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.376978][ T4503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.383960][ T4503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.390573][ T4503] !!!! css_create css ffff888113913c00 !!!! [ 406.396585][ T4503] !!!! css_create css ffff888113913400 !!!! [ 406.402582][ T4503] !!!! css_create css ffff888113913000 !!!! [ 406.408527][ T4503] !!!! css_create css ffff888113911800 !!!! [ 406.414599][ T4503] !!!! css_create css ffff888113913800 !!!! [ 406.420540][ T4503] !!!! css_create css ffff888113912c00 !!!! [ 406.426701][ T4503] !!!! control_disable control_disable ss name cpu [ 406.433543][ T4503] !!!! control_disable control_disable ss name memory [ 406.440463][ T4503] !!!! control_disable control_disable ss name pids [ 406.447198][ T4503] !!!! control_disable control_disable ss name cpu [ 406.453719][ T4503] !!!! control_disable control_disable ss name memory [ 406.460456][ T4503] !!!! control_disable control_disable ss name pids [ 406.467088][ T4503] !!!! control_disable control_disable ss name cpu [ 406.473978][ T4503] !!!! control_disable control_disable ss name memory [ 406.480758][ T4503] !!!! control_disable control_disable ss name pids [ 406.487397][ T4503] !!!! control_disable control_disable ss name cpu [ 406.494029][ T4503] !!!! control_disable control_disable ss name memory [ 406.500766][ T4503] !!!! control_disable control_disable ss name pids [ 406.507357][ T4503] !!!! control_disable control_disable ss name cpu [ 406.513895][ T4503] !!!! control_disable control_disable ss name memory [ 406.520635][ T4503] !!!! control_disable control_disable ss name pids [ 406.527376][ T4503] !!!! control_disable control_disable ss name cpu [ 406.534507][ T4503] !!!! control_disable control_disable ss name memory [ 406.541244][ T4503] !!!! control_disable control_disable ss name pids [ 406.547891][ T4503] !!!! control_disable control_disable ss name cpu [ 406.554421][ T4503] !!!! control_disable control_disable ss name memory [ 406.561167][ T4503] !!!! control_disable control_disable ss name pids [ 406.568024][ T4503] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 406.574795][ T4503] cgroup: Unknown subsys name 'net' [ 406.580240][ T4503] cgroup: Unknown subsys name 'devices' [ 406.587008][ T4503] cgroup: Unknown subsys name 'hugetlb' [ 406.593023][ T4503] cgroup: Unknown subsys name 'rlimit' [ 406.639902][ T4515] !!!! cgroup_kn_unlock css_put(ffff88810fe1c000) [ 406.652342][ T4508] !!!! cgroup_kn_unlock css_put(ffff888107de6000) [ 406.652407][ T4515] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 406.666381][ T4515] !!!! put_css_set_locked css_put(ffff88810198ac00) [ 406.673972][ T4515] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 406.681815][ T4515] !!!! put_css_set_locked css_put(ffffffff86918540) [ 406.689557][ T4515] !!!! put_css_set_locked css_put(ffff88810fe18000) [ 406.696782][ T4515] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 406.703702][ T4515] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 406.711784][ T4515] !!!! put_css_set_locked css_put(ffff888113913400) [ 406.718635][ T4515] !!!! put_css_set_locked cgroup_put(self ffff88810fe1c000) [ 406.726559][ T4515] !!!! cgroup_kn_unlock css_put(ffff888110364000) [ 406.726967][ T4508] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 406.740566][ T4508] !!!! put_css_set_locked css_put(ffff88810198b400) [ 406.747495][ T4508] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 406.754245][ T4508] !!!! put_css_set_locked css_put(ffffffff86918540) [ 406.761158][ T4508] !!!! put_css_set_locked css_put(ffff888107de0000) [ 406.768773][ T4508] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 406.776129][ T4508] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 406.783666][ T4508] !!!! put_css_set_locked css_put(ffff888113913c00) [ 406.790997][ T4508] !!!! put_css_set_locked cgroup_put(self ffff888107de6000) [ 406.800485][ T4512] !!!! cgroup_kn_unlock css_put(ffff88811065e000) [ 406.800578][ T4508] !!!! cgroup_kn_unlock css_put(ffff888107de4000) [ 406.807500][ T4513] !!!! cgroup_kn_unlock css_put(ffff888110524000) [ 406.814896][ T4508] !!!! put_css_set_locked css_put(ffff88811f372800) [ 406.829786][ T4508] !!!! put_css_set_locked css_put(ffff88810198b400) [ 406.837030][ T4508] !!!! put_css_set_locked css_put(ffff888101bf1200) [ 406.844375][ T4508] !!!! put_css_set_locked css_put(ffffffff86918540) [ 406.851048][ T4508] !!!! put_css_set_locked css_put(ffff888107de0000) [ 406.857727][ T4508] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 406.865073][ T4508] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 406.871821][ T4508] !!!! put_css_set_locked css_put(ffff888113913c00) [ 406.879316][ T4508] !!!! put_css_set_locked cgroup_put(self ffff888107de6000) [ 406.886927][ T4508] !!!! put_css_set_locked cgroup_put(self ffff888107de4000) [ 406.894597][ T4508] !!!! cgroup_kn_unlock css_put(ffff88810013a000) [ 406.894961][ T4514] !!!! cgroup_kn_unlock css_put(ffff8881f73e6000) [ 406.902660][ T4511] !!!! cgroup_kn_unlock css_put(ffff888110720000) [ 406.909982][ T4516] !!!! put_css_set_locked css_put(ffff88811f372800) [ 406.921324][ T4516] !!!! put_css_set_locked css_put(ffff88810198b400) [ 406.927982][ T4516] !!!! put_css_set_locked css_put(ffff888101bf1200) [ 406.935334][ T4516] !!!! put_css_set_locked css_put(ffff88811f371c00) [ 406.942498][ T4516] !!!! put_css_set_locked css_put(ffff888107de0000) [ 406.949246][ T4516] !!!! put_css_set_locked css_put(ffff88811f38ca00) [ 406.955908][ T4516] !!!! put_css_set_locked css_put(ffff88811f38cc00) [ 406.962657][ T4516] !!!! put_css_set_locked css_put(ffff888113913c00) [ 406.969627][ T4516] !!!! put_css_set_locked cgroup_put(self ffff888107de6000) [ 406.977217][ T4516] !!!! put_css_set_locked cgroup_put(self ffff88810013a000) [ 406.985715][ T4516] !!!! put_css_set_locked cgroup_put(self ffff888107de4000) [ 406.993184][ T4516] !!!! put_css_set_locked css_put(ffff888110066800) [ 407.000495][ T4516] !!!! put_css_set_locked css_put(ffff88810198ac00) [ 407.007415][ T4516] !!!! put_css_set_locked css_put(ffff88810ffc2800) [ 407.014149][ T4516] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.021178][ T4516] !!!! put_css_set_locked css_put(ffff88810fe18000) [ 407.028026][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.034767][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.041433][ T4516] !!!! put_css_set_locked css_put(ffff888113913400) [ 407.048301][ T4516] !!!! put_css_set_locked cgroup_put(self ffff88810fe1c000) [ 407.055956][ T4516] !!!! put_css_set_locked cgroup_put(self ffff888110364000) [ 407.064641][ T4516] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.071312][ T4516] !!!! put_css_set_locked css_put(ffff88810198b000) [ 407.082010][ T4516] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.090429][ T4516] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.097622][ T4516] !!!! put_css_set_locked css_put(ffff88811045e000) [ 407.105585][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.112595][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.119286][ T4516] !!!! put_css_set_locked css_put(ffff888113913000) [ 407.125944][ T4516] !!!! put_css_set_locked cgroup_put(self ffff8881f73e6000) [ 407.133478][ T4516] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.140218][ T4516] !!!! put_css_set_locked css_put(ffff88810fe4d400) [ 407.147386][ T4516] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.154077][ T4516] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.160900][ T4516] !!!! put_css_set_locked css_put(ffff888110658000) [ 407.167749][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.174433][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.181264][ T4516] !!!! put_css_set_locked css_put(ffff888113911800) [ 407.187955][ T4516] !!!! put_css_set_locked cgroup_put(self ffff88811065e000) [ 407.195579][ T4516] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.202319][ T4516] !!!! put_css_set_locked css_put(ffff88810fe4cc00) [ 407.208969][ T4516] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.215790][ T4516] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.222440][ T4516] !!!! put_css_set_locked css_put(ffff88811055a000) [ 407.229257][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.235907][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.242550][ T4516] !!!! put_css_set_locked css_put(ffff888113913800) [ 407.249909][ T4516] !!!! put_css_set_locked cgroup_put(self ffff888110524000) [ 407.257284][ T4516] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.263936][ T4516] !!!! put_css_set_locked css_put(ffff88810198a400) [ 407.270582][ T4516] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.277236][ T4516] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.284159][ T4516] !!!! put_css_set_locked css_put(ffff8881108dc000) [ 407.290804][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.297490][ T4516] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.304135][ T4516] !!!! put_css_set_locked css_put(ffff888113912c00) [ 407.310790][ T4516] !!!! put_css_set_locked cgroup_put(self ffff888110720000) [ 407.318344][ T4516] !!!! control_disable control_disable ss name cpu [ 407.325073][ T4516] !!!! control_disable control_disable ss name memory [ 407.331863][ T4516] !!!! control_disable control_disable ss name pids [ 407.339428][ T4516] !!!! control_disable kill_css(ffff888113913c00) [ 407.346956][ T4516] !!!! control_disable control_disable ss name cpu [ 407.353558][ T4516] !!!! control_disable control_disable ss name memory [ 407.360588][ T4516] !!!! control_disable control_disable ss name pids [ 407.367227][ T4516] !!!! control_disable kill_css(ffff888113913400) [ 407.375007][ C1] !!!! css_killed_ref_fn enqueue(ffff888113913c00) [ 407.381707][ T4516] !!!! control_disable control_disable ss name cpu [ 407.388277][ T4516] !!!! control_disable control_disable ss name memory [ 407.395150][ T4516] !!!! control_disable control_disable ss name pids [ 407.401717][ T4516] !!!! control_disable kill_css(ffff888113913000) [ 407.408338][ C1] !!!! css_killed_ref_fn enqueue(ffff888113913400) [ 407.415116][ T4516] !!!! control_disable control_disable ss name cpu [ 407.421589][ T4516] !!!! control_disable control_disable ss name memory [ 407.428367][ T4516] !!!! control_disable control_disable ss name pids [ 407.434981][ T4516] !!!! control_disable kill_css(ffff888113911800) [ 407.441488][ T4516] !!!! control_disable control_disable ss name cpu [ 407.447994][ T4516] !!!! control_disable control_disable ss name memory [ 407.454758][ T4516] !!!! control_disable control_disable ss name pids [ 407.461334][ T4516] !!!! control_disable kill_css(ffff888113913800) [ 407.467869][ T4516] !!!! control_disable control_disable ss name cpu [ 407.474372][ T4516] !!!! control_disable control_disable ss name memory [ 407.481113][ T4516] !!!! control_disable control_disable ss name pids [ 407.487806][ T4516] !!!! control_disable kill_css(ffff888113912c00) [ 407.494345][ T4516] !!!! control_disable control_disable ss name cpu [ 407.500819][ T4516] !!!! control_disable control_disable ss name memory [ 407.507768][ T4516] !!!! control_disable control_disable ss name pids [ 407.514403][ T4516] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 407.514463][ T4515] !!!! put_css_set_locked css_put(ffff888110066800) [ 407.527550][ T4515] !!!! put_css_set_locked css_put(ffff88810198ac00) [ 407.532120][ C1] !!!! css_killed_ref_fn enqueue(ffff888113913000) [ 407.534200][ T4515] !!!! put_css_set_locked css_put(ffff88810ffc2800) [ 407.547638][ T4515] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.554471][ T4515] !!!! put_css_set_locked css_put(ffff88810fe18000) [ 407.561146][ T4515] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.567803][ T4515] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.574772][ T4515] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.581554][ T4515] !!!! put_css_set_locked cgroup_put(self ffff88810fe1c000) [ 407.588925][ T4515] !!!! put_css_set_locked cgroup_put(self ffff888110364000) [ 407.596515][ T4515] !!!! cgroup_kn_unlock css_put(ffff888110242000) [ 407.596766][ T4512] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.610352][ T4512] !!!! put_css_set_locked css_put(ffff88810fe4d400) [ 407.617010][ T4512] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.624459][ T4512] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.631301][ T4512] !!!! put_css_set_locked css_put(ffff888110658000) [ 407.637967][ T4512] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.644704][ T4512] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.651439][ T4512] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.658172][ T4512] !!!! put_css_set_locked cgroup_put(self ffff88811065e000) [ 407.665591][ C1] !!!! css_killed_ref_fn enqueue(ffff888113911800) [ 407.672203][ C1] !!!! css_killed_ref_fn enqueue(ffff888113913800) [ 407.678893][ C1] !!!! css_killed_ref_fn enqueue(ffff888113912c00) [ 407.685576][ T4512] !!!! cgroup_kn_unlock css_put(ffff88811053e000) [ 407.685830][ T4513] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.698906][ T4513] !!!! put_css_set_locked css_put(ffff88810fe4cc00) [ 407.705583][ T4513] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.712352][ T4513] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.719013][ T4513] !!!! put_css_set_locked css_put(ffff88811055a000) [ 407.725663][ T4513] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.732503][ T4513] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.739526][ T4513] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.746608][ T4513] !!!! put_css_set_locked cgroup_put(self ffff888110524000) [ 407.754154][ T4511] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.754536][ T4513] !!!! cgroup_kn_unlock css_put(ffff888110e10000) [ 407.760817][ T4511] !!!! put_css_set_locked css_put(ffff88810198a400) [ 407.760823][ T4511] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.760828][ T4511] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.760833][ T4511] !!!! put_css_set_locked css_put(ffff8881108dc000) [ 407.760846][ T4511] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.801914][ T4511] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.808770][ T4511] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.815724][ T4511] !!!! put_css_set_locked cgroup_put(self ffff888110720000) [ 407.823288][ T4514] !!!! put_css_set_locked css_put(ffffffff85fb69a0) [ 407.823430][ T4511] !!!! cgroup_kn_unlock css_put(ffff888110e12000) [ 407.830313][ T4514] !!!! put_css_set_locked css_put(ffff88810198b000) [ 407.843816][ T4514] !!!! put_css_set_locked css_put(ffffffff85ef4300) [ 407.850482][ T4514] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.857127][ T4514] !!!! put_css_set_locked css_put(ffff88811045e000) [ 407.864037][ T4514] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.870772][ T4514] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.877692][ T4514] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.885403][ T4514] !!!! put_css_set_locked cgroup_put(self ffff8881f73e6000) [ 407.892974][ T4514] !!!! cgroup_kn_unlock css_put(ffff88811053a000) [ 407.893107][ T372] !!!! css_killed_work_fn css_put(ffff888113913c00) [ 407.906286][ T372] !!!! css_release enqueue(ffff888113913c00) [ 407.912591][ T4512] !!!! put_css_set_locked css_put(ffff888110676c00) [ 407.919400][ T4512] !!!! put_css_set_locked css_put(ffff88810fe4d400) [ 407.926049][ T4512] !!!! put_css_set_locked css_put(ffff88811041e400) [ 407.932697][ T4512] !!!! put_css_set_locked css_put(ffffffff86918540) [ 407.939466][ T4512] !!!! put_css_set_locked css_put(ffff888110658000) [ 407.946127][ T4512] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 407.953244][ T4512] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 407.959925][ T4512] !!!! put_css_set_locked css_put(ffff888100124400) [ 407.966603][ T4512] !!!! put_css_set_locked cgroup_put(self ffff88811065e000) [ 407.974091][ T4512] !!!! put_css_set_locked cgroup_put(self ffff88811053e000) [ 407.981970][ T4512] !!!! cgroup_kn_unlock css_put(ffff888110b68000) [ 407.981977][ T4513] !!!! put_css_set_locked css_put(ffff888110d6d000) [ 407.981989][ T4513] !!!! put_css_set_locked css_put(ffff88810fe4cc00) [ 408.001867][ T4513] !!!! put_css_set_locked css_put(ffff8881103b3400) [ 408.008651][ T4513] !!!! put_css_set_locked css_put(ffffffff86918540) [ 408.015306][ T4513] !!!! put_css_set_locked css_put(ffff88811055a000) [ 408.021967][ T4513] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 408.028796][ T4513] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 408.035476][ T4513] !!!! put_css_set_locked css_put(ffff888100124400) [ 408.042139][ T4513] !!!! put_css_set_locked cgroup_put(self ffff888110524000) [ 408.049946][ T4513] !!!! put_css_set_locked cgroup_put(self ffff888110e10000) [ 408.057608][ T4513] !!!! cgroup_kn_unlock css_put(ffff88811143e000) [ 408.058077][ T4511] !!!! put_css_set_locked css_put(ffff888110d6dc00) [ 408.071082][ T4511] !!!! put_css_set_locked css_put(ffff88810198a400) [ 408.077824][ T4511] !!!! put_css_set_locked css_put(ffff8881103b2400) [ 408.084619][ T4511] !!!! put_css_set_locked css_put(ffffffff86918540) [ 408.091347][ T4511] !!!! put_css_set_locked css_put(ffff8881108dc000) [ 408.098037][ T4511] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 408.104777][ T4511] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 408.111423][ T4511] !!!! put_css_set_locked css_put(ffff888100124400) [ 408.118089][ T4511] !!!! put_css_set_locked cgroup_put(self ffff888110720000) [ 408.125475][ T4511] !!!! put_css_set_locked cgroup_put(self ffff888110e12000) [ 408.133012][ T4511] !!!! cgroup_kn_unlock css_put(ffff888110e14000) [ 408.133379][ T4514] !!!! put_css_set_locked css_put(ffff888110471800) [ 408.146282][ T4514] !!!! put_css_set_locked css_put(ffff88810198b000) [ 408.152936][ T4514] !!!! put_css_set_locked css_put(ffff888110418600) [ 408.159585][ T4514] !!!! put_css_set_locked css_put(ffffffff86918540) [ 408.166507][ T4514] !!!! put_css_set_locked css_put(ffff88811045e000) [ 408.173585][ T4514] !!!! put_css_set_locked css_put(ffff8881001c7c00) [ 408.180238][ T4514] !!!! put_css_set_locked css_put(ffff8881001c7200) [ 408.186896][ T4514] !!!! put_css_set_locked css_put(ffff888100124400) [ 408.193646][ T4514] !!!! put_css_set_locked cgroup_put(self ffff8881f73e6000) [ 408.201000][ T4514] !!!! put_css_set_locked cgroup_put(self ffff88811053a000) [ 408.208986][ T372] !!!! css_killed_work_fn css_put(ffff888113913400) [ 408.210895][ T4514] !!!! cgroup_kn_unlock css_put(ffff888110514000) [ 408.215766][ T372] !!!! css_release enqueue(ffff888113913400) [ 408.228668][ T372] !!!! css_killed_work_fn css_put(ffff888113913000) [ 408.235690][ T372] !!!! css_release enqueue(ffff888113913000) [ 408.241857][ T372] !!!! css_killed_work_fn css_put(ffff888113911800) [ 408.248727][ T372] !!!! css_release enqueue(ffff888113911800) [ 408.255266][ T372] !!!! css_killed_work_fn css_put(ffff888113913800) [ 408.262137][ T372] !!!! css_release enqueue(ffff888113913800) [ 408.268221][ T372] !!!! css_killed_work_fn css_put(ffff888113912c00) [ 408.274933][ T372] !!!! css_release enqueue(ffff888113912c00) [ 408.281056][ T4535] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.281078][ T4532] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.288023][ T4535] !!!! css_create css ffff8881210a2000 !!!! [ 408.300054][ T4535] !!!! css_create css ffff8881210a0400 !!!! [ 408.306195][ T4535] !!!! css_create css ffff8881210a2c00 !!!! [ 408.312127][ T4535] FAULT_INJECTION: forcing a failure. [ 408.312127][ T4535] name failslab, interval 1, probability 0, space 0, times 0 [ 408.324839][ T4535] CPU: 0 PID: 4535 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 408.336541][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.346604][ T4535] Call Trace: [ 408.349906][ T4535] dump_stack_lvl+0x1e2/0x24b [ 408.354569][ T4535] ? panic+0x7d7/0x7d7 [ 408.358621][ T4535] ? bfq_pos_tree_add_move+0x43e/0x43e [ 408.364065][ T4535] dump_stack+0x15/0x17 [ 408.368199][ T4535] should_fail+0x3c0/0x510 [ 408.372596][ T4535] __should_failslab+0x9f/0xe0 [ 408.377600][ T4535] should_failslab+0x9/0x20 [ 408.382086][ T4535] kmem_cache_alloc+0x3f/0x300 [ 408.386848][ T4535] ? __kernfs_new_node+0xdb/0x6e0 [ 408.391977][ T4535] __kernfs_new_node+0xdb/0x6e0 [ 408.396818][ T4535] ? stack_trace_save+0x1f0/0x1f0 [ 408.401974][ T4535] ? kernfs_new_node+0x170/0x170 [ 408.406929][ T4535] ? ptr_to_hashval+0x60/0x60 [ 408.411877][ T4535] ? snprintf+0xd6/0x120 [ 408.416108][ T4535] kernfs_new_node+0x97/0x170 [ 408.420765][ T4535] __kernfs_create_file+0x4a/0x270 [ 408.425856][ T4535] cgroup_addrm_files+0xab8/0xfe0 [ 408.430871][ T4535] ? cgroup_apply_control_enable+0x734/0x12e0 [ 408.436949][ T4535] ? cgroup_apply_control+0x93/0x710 [ 408.442235][ T4535] ? cgroup_subtree_control_write+0xd19/0x1310 [ 408.448386][ T4535] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 408.454524][ T4535] ? delete_node+0x759/0x7b0 [ 408.459146][ T4535] ? __kasan_check_read+0x11/0x20 [ 408.464212][ T4535] ? delete_node+0x759/0x7b0 [ 408.468791][ T4535] ? __kasan_check_write+0x14/0x20 [ 408.473968][ T4535] ? __radix_tree_replace+0x246/0x2e0 [ 408.479854][ T4535] ? idr_get_next+0x4b0/0x4b0 [ 408.484525][ T4535] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 408.489725][ T4535] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 408.494906][ T4535] css_populate_dir+0x137/0x370 [ 408.499734][ T4535] cgroup_apply_control_enable+0x629/0x12e0 [ 408.505628][ T4535] cgroup_apply_control+0x93/0x710 [ 408.510721][ T4535] ? css_next_child+0x160/0x160 [ 408.515554][ T4535] ? stack_trace_save+0x12d/0x1f0 [ 408.520552][ T4535] ? io_schedule+0x120/0x120 [ 408.525133][ T4535] ? kernfs_fop_write_iter+0x15e/0x410 [ 408.530587][ T4535] ? __kasan_check_write+0x14/0x20 [ 408.535905][ T4535] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 408.541187][ T4535] cgroup_subtree_control_write+0xd19/0x1310 [ 408.547184][ T4535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.553154][ T4535] ? __kasan_check_write+0x14/0x20 [ 408.558343][ T4535] ? _copy_from_iter+0x3fb/0xd60 [ 408.563267][ T4535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 408.569227][ T4535] cgroup_file_write+0x28e/0x590 [ 408.574346][ T4535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.579443][ T4535] ? mutex_lock+0xa6/0x110 [ 408.583838][ T4535] ? mutex_trylock+0xb0/0xb0 [ 408.588407][ T4535] ? __kasan_check_write+0x14/0x20 [ 408.593512][ T4535] kernfs_fop_write_iter+0x2d0/0x410 [ 408.598773][ T4535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 408.603879][ T4535] vfs_write+0xc1c/0xf40 [ 408.608138][ T4535] ? slab_free_freelist_hook+0xcc/0x1a0 [ 408.613927][ T4535] ? kernel_write+0x3c0/0x3c0 [ 408.618603][ T4535] ? do_sys_openat2+0x397/0x470 [ 408.624508][ T4535] ? __kasan_check_read+0x11/0x20 [ 408.629518][ T4535] ? __fdget_pos+0x27e/0x310 [ 408.634089][ T4535] ksys_write+0x198/0x2c0 [ 408.638489][ T4535] ? __ia32_sys_read+0x90/0x90 [ 408.643426][ T4535] ? debug_smp_processor_id+0x17/0x20 [ 408.648876][ T4535] __x64_sys_write+0x7b/0x90 [ 408.653612][ T4535] do_syscall_64+0x34/0x70 [ 408.658114][ T4535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 408.663991][ T4535] RIP: 0033:0x7fb1345acc09 [ 408.668498][ T4535] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 408.688172][ T4535] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.696565][ T4535] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 408.704537][ T4535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 408.712487][ T4535] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 408.720732][ T4535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 408.728886][ T4535] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 408.737021][ T4535] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 408.744069][ T4535] !!!! control_disable control_disable ss name cpu [ 408.750564][ T4535] !!!! control_disable control_disable ss name memory [ 408.757354][ T4535] !!!! control_disable control_disable ss name pids [ 408.764117][ T4535] !!!! control_disable kill_css(ffff8881210a2000) [ 408.770646][ T4535] !!!! control_disable control_disable ss name cpu [ 408.777519][ T4535] !!!! control_disable control_disable ss name memory [ 408.784569][ T4535] !!!! control_disable control_disable ss name pids [ 408.791244][ T4535] !!!! control_disable kill_css(ffff8881210a0400) [ 408.797780][ C0] !!!! css_killed_ref_fn enqueue(ffff8881210a2000) [ 408.804434][ T4535] !!!! control_disable control_disable ss name cpu [ 408.811012][ T4535] !!!! control_disable control_disable ss name memory [ 408.817813][ T4535] !!!! control_disable control_disable ss name pids [ 408.824427][ T4535] !!!! control_disable kill_css(ffff8881210a2c00) [ 408.830921][ T4535] !!!! control_disable control_disable ss name cpu [ 408.837530][ T4535] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 408.844312][ T4535] !!!! control_disable control_disable ss name cpu [ 408.850899][ T4535] !!!! control_disable control_disable ss name memory [ 408.857841][ T4535] !!!! control_disable control_disable ss name cpu [ 408.864370][ T4535] !!!! control_disable control_disable ss name memory [ 408.871819][ T4535] !!!! control_disable control_disable ss name cpu [ 408.878346][ T4535] !!!! control_disable control_disable ss name memory [ 408.885212][ T4535] !!!! control_disable control_disable ss name pids [ 408.892784][ T4535] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.899395][ T4530] !!!! css_killed_work_fn css_put(ffff8881210a2000) [ 408.906132][ T4530] !!!! css_release enqueue(ffff8881210a2000) [ 408.912395][ C0] !!!! css_killed_ref_fn enqueue(ffff8881210a0400) [ 408.919090][ T4530] !!!! css_killed_work_fn css_put(ffff8881210a0400) [ 408.925989][ T4530] !!!! css_release enqueue(ffff8881210a0400) [ 408.932102][ C0] !!!! css_killed_ref_fn enqueue(ffff8881210a2c00) [ 408.938733][ T4530] !!!! css_killed_work_fn css_put(ffff8881210a2c00) [ 408.945659][ T4530] !!!! css_release enqueue(ffff8881210a2c00) [ 408.951749][ T4533] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.951938][ T4531] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.958496][ T4534] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 408.965216][ T4531] !!!! css_create css ffff888111353000 !!!! [ 408.977603][ T4531] !!!! css_create css ffff888111353400 !!!! [ 408.983747][ T4531] !!!! css_create css ffff88811e2cf800 !!!! [ 408.989711][ T4531] FAULT_INJECTION: forcing a failure. [ 408.989711][ T4531] name failslab, interval 1, probability 0, space 0, times 0 [ 409.002555][ T4531] CPU: 0 PID: 4531 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 409.014280][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.024501][ T4531] Call Trace: [ 409.027870][ T4531] dump_stack_lvl+0x1e2/0x24b [ 409.032617][ T4531] ? panic+0x7d7/0x7d7 [ 409.036667][ T4531] ? bfq_pos_tree_add_move+0x43e/0x43e [ 409.042121][ T4531] ? __kasan_check_write+0x14/0x20 [ 409.047766][ T4531] ? __switch_to+0x5e4/0x1220 [ 409.052615][ T4531] dump_stack+0x15/0x17 [ 409.056759][ T4531] should_fail+0x3c0/0x510 [ 409.061162][ T4531] __should_failslab+0x9f/0xe0 [ 409.065908][ T4531] should_failslab+0x9/0x20 [ 409.070394][ T4531] kmem_cache_alloc+0x3f/0x300 [ 409.075244][ T4531] ? __kernfs_new_node+0xdb/0x6e0 [ 409.080339][ T4531] __kernfs_new_node+0xdb/0x6e0 [ 409.085181][ T4531] ? stack_trace_save+0x1f0/0x1f0 [ 409.090206][ T4531] ? kernfs_new_node+0x170/0x170 [ 409.095140][ T4531] ? ptr_to_hashval+0x60/0x60 [ 409.099807][ T4531] ? snprintf+0xd6/0x120 [ 409.104095][ T4531] kernfs_new_node+0x97/0x170 [ 409.109098][ T4531] __kernfs_create_file+0x4a/0x270 [ 409.114390][ T4531] cgroup_addrm_files+0xab8/0xfe0 [ 409.119428][ T4531] ? cgroup_apply_control_enable+0x734/0x12e0 [ 409.125493][ T4531] ? cgroup_apply_control+0x93/0x710 [ 409.130765][ T4531] ? cgroup_subtree_control_write+0xd19/0x1310 [ 409.136912][ T4531] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 409.143045][ T4531] ? delete_node+0x759/0x7b0 [ 409.147618][ T4531] ? __kasan_check_read+0x11/0x20 [ 409.152715][ T4531] ? delete_node+0x759/0x7b0 [ 409.157377][ T4531] ? __kasan_check_write+0x14/0x20 [ 409.162467][ T4531] ? __radix_tree_replace+0x246/0x2e0 [ 409.167825][ T4531] ? idr_get_next+0x4b0/0x4b0 [ 409.172618][ T4531] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 409.177622][ T4531] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 409.182807][ T4531] css_populate_dir+0x137/0x370 [ 409.189640][ T4531] cgroup_apply_control_enable+0x629/0x12e0 [ 409.195634][ T4531] cgroup_apply_control+0x93/0x710 [ 409.200819][ T4531] ? css_next_child+0x160/0x160 [ 409.205660][ T4531] ? stack_trace_save+0x12d/0x1f0 [ 409.210679][ T4531] ? io_schedule+0x120/0x120 [ 409.215272][ T4531] ? kernfs_fop_write_iter+0x15e/0x410 [ 409.220714][ T4531] ? __kasan_check_write+0x14/0x20 [ 409.225970][ T4531] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 409.231240][ T4531] cgroup_subtree_control_write+0xd19/0x1310 [ 409.237206][ T4531] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.243165][ T4531] ? __kasan_check_write+0x14/0x20 [ 409.248272][ T4531] ? _copy_from_iter+0x3fb/0xd60 [ 409.253189][ T4531] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.259256][ T4531] cgroup_file_write+0x28e/0x590 [ 409.264199][ T4531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.269293][ T4531] ? mutex_lock+0xa6/0x110 [ 409.274136][ T4531] ? mutex_trylock+0xb0/0xb0 [ 409.278731][ T4531] ? __kasan_check_write+0x14/0x20 [ 409.283820][ T4531] kernfs_fop_write_iter+0x2d0/0x410 [ 409.289095][ T4531] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.294190][ T4531] vfs_write+0xc1c/0xf40 [ 409.298408][ T4531] ? slab_free_freelist_hook+0xcc/0x1a0 [ 409.304020][ T4531] ? kernel_write+0x3c0/0x3c0 [ 409.308684][ T4531] ? do_sys_openat2+0x397/0x470 [ 409.313525][ T4531] ? __kasan_check_read+0x11/0x20 [ 409.318528][ T4531] ? __fdget_pos+0x27e/0x310 [ 409.323106][ T4531] ksys_write+0x198/0x2c0 [ 409.327527][ T4531] ? __ia32_sys_read+0x90/0x90 [ 409.332282][ T4531] ? debug_smp_processor_id+0x17/0x20 [ 409.337640][ T4531] __x64_sys_write+0x7b/0x90 [ 409.342213][ T4531] do_syscall_64+0x34/0x70 [ 409.346608][ T4531] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 409.352492][ T4531] RIP: 0033:0x7fb1345acc09 [ 409.356895][ T4531] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 409.376479][ T4531] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 409.384872][ T4531] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 409.392847][ T4531] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 409.400899][ T4531] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 409.408854][ T4531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 409.416899][ T4531] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 409.425052][ T4531] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 409.432242][ T4531] !!!! control_disable control_disable ss name cpu [ 409.438786][ T4531] !!!! control_disable control_disable ss name memory [ 409.445605][ T4531] !!!! control_disable control_disable ss name pids [ 409.452367][ T4531] !!!! control_disable kill_css(ffff888111353000) [ 409.459007][ T4531] !!!! control_disable control_disable ss name cpu [ 409.465938][ T4531] !!!! control_disable control_disable ss name memory [ 409.473350][ T4531] !!!! control_disable control_disable ss name pids [ 409.479947][ T4531] !!!! control_disable kill_css(ffff888111353400) [ 409.486499][ C1] !!!! css_killed_ref_fn enqueue(ffff888111353000) [ 409.493292][ T4531] !!!! control_disable control_disable ss name cpu [ 409.499909][ T4531] !!!! control_disable control_disable ss name memory [ 409.506712][ T4531] !!!! control_disable control_disable ss name pids [ 409.513335][ T4531] !!!! control_disable kill_css(ffff88811e2cf800) [ 409.519820][ T4531] !!!! control_disable control_disable ss name cpu [ 409.526333][ T4531] !!!! control_disable control_disable ss name memory [ 409.533106][ T4531] !!!! control_disable control_disable ss name cpu [ 409.539597][ T4531] !!!! control_disable control_disable ss name memory [ 409.546457][ T4531] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 409.553049][ T4531] !!!! control_disable control_disable ss name memory [ 409.559942][ T4531] !!!! control_disable control_disable ss name cpu [ 409.566472][ T4531] !!!! control_disable control_disable ss name memory [ 409.573255][ T4531] !!!! control_disable control_disable ss name pids [ 409.580195][ T4531] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 409.586749][ T372] !!!! css_killed_work_fn css_put(ffff888111353000) [ 409.593709][ T372] !!!! css_release enqueue(ffff888111353000) [ 409.599974][ C1] !!!! css_killed_ref_fn enqueue(ffff888111353400) [ 409.606975][ C1] !!!! css_killed_ref_fn enqueue(ffff88811e2cf800) [ 409.613851][ T372] !!!! css_killed_work_fn css_put(ffff888111353400) [ 409.620596][ T372] !!!! css_release enqueue(ffff888111353400) [ 409.626903][ T372] !!!! css_killed_work_fn css_put(ffff88811e2cf800) [ 409.633701][ T372] !!!! css_release enqueue(ffff88811e2cf800) [ 409.640074][ T4537] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 409.640115][ T4516] !!!! css_create css ffff888107998c00 !!!! [ 409.652581][ T4516] !!!! css_create css ffff88810799a800 !!!! [ 409.658492][ T4516] !!!! css_create css ffff888107998800 !!!! [ 409.664429][ T4516] FAULT_INJECTION: forcing a failure. [ 409.664429][ T4516] name failslab, interval 1, probability 0, space 0, times 0 [ 409.677019][ T4516] CPU: 1 PID: 4516 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 409.689067][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.699195][ T4516] Call Trace: [ 409.702472][ T4516] dump_stack_lvl+0x1e2/0x24b [ 409.707222][ T4516] ? panic+0x7d7/0x7d7 [ 409.711289][ T4516] ? bfq_pos_tree_add_move+0x43e/0x43e [ 409.716725][ T4516] dump_stack+0x15/0x17 [ 409.720873][ T4516] should_fail+0x3c0/0x510 [ 409.725276][ T4516] __should_failslab+0x9f/0xe0 [ 409.730020][ T4516] should_failslab+0x9/0x20 [ 409.734500][ T4516] kmem_cache_alloc+0x3f/0x300 [ 409.739240][ T4516] ? __kernfs_new_node+0xdb/0x6e0 [ 409.744240][ T4516] __kernfs_new_node+0xdb/0x6e0 [ 409.749065][ T4516] ? stack_trace_save+0x1f0/0x1f0 [ 409.754075][ T4516] ? kernfs_new_node+0x170/0x170 [ 409.759084][ T4516] ? ptr_to_hashval+0x60/0x60 [ 409.763747][ T4516] ? snprintf+0xd6/0x120 [ 409.768072][ T4516] kernfs_new_node+0x97/0x170 [ 409.772750][ T4516] __kernfs_create_file+0x4a/0x270 [ 409.777859][ T4516] cgroup_addrm_files+0xab8/0xfe0 [ 409.782865][ T4516] ? cgroup_apply_control_enable+0x734/0x12e0 [ 409.788908][ T4516] ? cgroup_apply_control+0x93/0x710 [ 409.794355][ T4516] ? cgroup_subtree_control_write+0xd19/0x1310 [ 409.801029][ T4516] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 409.807186][ T4516] ? delete_node+0x759/0x7b0 [ 409.811950][ T4516] ? __kasan_check_read+0x11/0x20 [ 409.817097][ T4516] ? delete_node+0x759/0x7b0 [ 409.822575][ T4516] ? __kasan_check_write+0x14/0x20 [ 409.828009][ T4516] ? __radix_tree_replace+0x246/0x2e0 [ 409.833366][ T4516] ? idr_get_next+0x4b0/0x4b0 [ 409.838117][ T4516] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 409.843118][ T4516] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 409.848706][ T4516] css_populate_dir+0x137/0x370 [ 409.853537][ T4516] cgroup_apply_control_enable+0x629/0x12e0 [ 409.859421][ T4516] cgroup_apply_control+0x93/0x710 [ 409.864605][ T4516] ? css_next_child+0x160/0x160 [ 409.870045][ T4516] ? stack_trace_save+0x12d/0x1f0 [ 409.875067][ T4516] ? io_schedule+0x120/0x120 [ 409.879651][ T4516] ? kernfs_fop_write_iter+0x15e/0x410 [ 409.885420][ T4516] ? __kasan_check_write+0x14/0x20 [ 409.890519][ T4516] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 409.895785][ T4516] cgroup_subtree_control_write+0xd19/0x1310 [ 409.901770][ T4516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.907814][ T4516] ? __kasan_check_write+0x14/0x20 [ 409.912912][ T4516] ? _copy_from_iter+0x3fb/0xd60 [ 409.917845][ T4516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 409.923938][ T4516] cgroup_file_write+0x28e/0x590 [ 409.929229][ T4516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.934344][ T4516] ? mutex_lock+0xa6/0x110 [ 409.938757][ T4516] ? mutex_trylock+0xb0/0xb0 [ 409.943337][ T4516] ? __kasan_check_write+0x14/0x20 [ 409.948636][ T4516] kernfs_fop_write_iter+0x2d0/0x410 [ 409.953928][ T4516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 409.960001][ T4516] vfs_write+0xc1c/0xf40 [ 409.964352][ T4516] ? slab_free_freelist_hook+0xcc/0x1a0 [ 409.969893][ T4516] ? kernel_write+0x3c0/0x3c0 [ 409.974566][ T4516] ? do_sys_openat2+0x397/0x470 [ 409.979402][ T4516] ? __kasan_check_read+0x11/0x20 [ 409.984433][ T4516] ? __fdget_pos+0x27e/0x310 [ 409.989111][ T4516] ksys_write+0x198/0x2c0 [ 409.993579][ T4516] ? __ia32_sys_read+0x90/0x90 [ 409.998343][ T4516] ? debug_smp_processor_id+0x17/0x20 [ 410.003801][ T4516] __x64_sys_write+0x7b/0x90 [ 410.008375][ T4516] do_syscall_64+0x34/0x70 [ 410.012789][ T4516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 410.018662][ T4516] RIP: 0033:0x7fb1345acc09 [ 410.023054][ T4516] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 410.043050][ T4516] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.051579][ T4516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 410.059916][ T4516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 410.068263][ T4516] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 410.076219][ T4516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 410.084185][ T4516] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 410.092524][ T4516] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 410.099548][ T4516] !!!! control_disable control_disable ss name cpu [ 410.106242][ T4516] !!!! control_disable control_disable ss name memory [ 410.113270][ T4516] !!!! control_disable control_disable ss name pids [ 410.120034][ T4516] !!!! control_disable kill_css(ffff888107998c00) [ 410.126672][ T4516] !!!! control_disable control_disable ss name cpu [ 410.133507][ T4516] !!!! control_disable control_disable ss name memory [ 410.140420][ T4516] !!!! control_disable control_disable ss name pids [ 410.147176][ T4516] !!!! control_disable kill_css(ffff88810799a800) [ 410.153997][ T4516] !!!! control_disable control_disable ss name cpu [ 410.160522][ T4516] !!!! control_disable control_disable ss name memory [ 410.167307][ C0] !!!! css_killed_ref_fn enqueue(ffff888107998c00) [ 410.173941][ T4516] !!!! control_disable control_disable ss name pids [ 410.180952][ T4516] !!!! control_disable kill_css(ffff888107998800) [ 410.187680][ T4516] !!!! control_disable control_disable ss name cpu [ 410.194222][ C0] !!!! css_killed_ref_fn enqueue(ffff88810799a800) [ 410.201039][ T4516] !!!! control_disable control_disable ss name memory [ 410.207836][ T4516] !!!! control_disable control_disable ss name cpu [ 410.214371][ T4516] !!!! control_disable control_disable ss name memory [ 410.221290][ T4516] !!!! control_disable control_disable ss name cpu [ 410.227903][ T4516] !!!! control_disable control_disable ss name memory [ 410.234744][ T4516] !!!! control_disable control_disable ss name cpu [ 410.241225][ T4516] !!!! control_disable control_disable ss name memory [ 410.248012][ T4516] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 410.254636][ T4516] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.261236][ T4530] !!!! css_killed_work_fn css_put(ffff888107998c00) [ 410.268106][ T4530] !!!! css_release enqueue(ffff888107998c00) [ 410.274196][ C0] !!!! css_killed_ref_fn enqueue(ffff888107998800) [ 410.280816][ T4530] !!!! css_killed_work_fn css_put(ffff88810799a800) [ 410.287680][ T4530] !!!! css_release enqueue(ffff88810799a800) [ 410.294226][ T4530] !!!! css_killed_work_fn css_put(ffff888107998800) [ 410.300995][ T4530] !!!! css_release enqueue(ffff888107998800) [ 410.307279][ T4536] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.307293][ T4538] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.314076][ T4536] !!!! css_create css ffff88810cf49000 !!!! [ 410.326362][ T4536] !!!! css_create css ffff88810c27e800 !!!! [ 410.332400][ T4536] !!!! css_create css ffff88810cf48000 !!!! [ 410.338457][ T4536] FAULT_INJECTION: forcing a failure. [ 410.338457][ T4536] name failslab, interval 1, probability 0, space 0, times 0 [ 410.351181][ T4536] CPU: 1 PID: 4536 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 410.362888][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.373187][ T4536] Call Trace: [ 410.376555][ T4536] dump_stack_lvl+0x1e2/0x24b [ 410.381222][ T4536] ? bfq_pos_tree_add_move+0x43e/0x43e [ 410.386819][ T4536] dump_stack+0x15/0x17 [ 410.390994][ T4536] should_fail+0x3c0/0x510 [ 410.395505][ T4536] ? __kernfs_new_node+0x99/0x6e0 [ 410.400532][ T4536] __should_failslab+0x9f/0xe0 [ 410.405305][ T4536] should_failslab+0x9/0x20 [ 410.410587][ T4536] __kmalloc_track_caller+0x5f/0x350 [ 410.416174][ T4536] kstrdup_const+0x55/0x90 [ 410.420596][ T4536] __kernfs_new_node+0x99/0x6e0 [ 410.425427][ T4536] ? stack_trace_save+0x1f0/0x1f0 [ 410.430608][ T4536] ? kernfs_new_node+0x170/0x170 [ 410.435545][ T4536] ? ptr_to_hashval+0x60/0x60 [ 410.440288][ T4536] ? snprintf+0xd6/0x120 [ 410.444518][ T4536] kernfs_new_node+0x97/0x170 [ 410.449300][ T4536] __kernfs_create_file+0x4a/0x270 [ 410.454480][ T4536] cgroup_addrm_files+0xab8/0xfe0 [ 410.459587][ T4536] ? cgroup_apply_control_enable+0x734/0x12e0 [ 410.465641][ T4536] ? cgroup_apply_control+0x93/0x710 [ 410.471130][ T4536] ? cgroup_subtree_control_write+0xd19/0x1310 [ 410.477780][ T4536] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 410.483924][ T4536] ? delete_node+0x759/0x7b0 [ 410.488503][ T4536] ? __kasan_check_read+0x11/0x20 [ 410.493538][ T4536] ? delete_node+0x759/0x7b0 [ 410.498169][ T4536] ? __kasan_check_write+0x14/0x20 [ 410.503292][ T4536] ? __radix_tree_replace+0x246/0x2e0 [ 410.509187][ T4536] ? idr_get_next+0x4b0/0x4b0 [ 410.514134][ T4536] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 410.519154][ T4536] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 410.524340][ T4536] css_populate_dir+0x137/0x370 [ 410.529182][ T4536] cgroup_apply_control_enable+0x629/0x12e0 [ 410.535073][ T4536] cgroup_apply_control+0x93/0x710 [ 410.540296][ T4536] ? css_next_child+0x160/0x160 [ 410.545236][ T4536] ? stack_trace_save+0x12d/0x1f0 [ 410.550446][ T4536] ? io_schedule+0x120/0x120 [ 410.555035][ T4536] ? kernfs_fop_write_iter+0x15e/0x410 [ 410.560481][ T4536] ? __kasan_check_write+0x14/0x20 [ 410.565832][ T4536] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 410.571450][ T4536] cgroup_subtree_control_write+0xd19/0x1310 [ 410.577689][ T4536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 410.583661][ T4536] ? __kasan_check_write+0x14/0x20 [ 410.588772][ T4536] ? _copy_from_iter+0x3fb/0xd60 [ 410.593721][ T4536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 410.599800][ T4536] cgroup_file_write+0x28e/0x590 [ 410.604726][ T4536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 410.609828][ T4536] ? mutex_lock+0xa6/0x110 [ 410.614384][ T4536] ? mutex_trylock+0xb0/0xb0 [ 410.619014][ T4536] ? __kasan_check_write+0x14/0x20 [ 410.624248][ T4536] kernfs_fop_write_iter+0x2d0/0x410 [ 410.629955][ T4536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 410.635152][ T4536] vfs_write+0xc1c/0xf40 [ 410.639494][ T4536] ? slab_free_freelist_hook+0xcc/0x1a0 [ 410.645314][ T4536] ? kernel_write+0x3c0/0x3c0 [ 410.649981][ T4536] ? do_sys_openat2+0x397/0x470 [ 410.654818][ T4536] ? __kasan_check_read+0x11/0x20 [ 410.659827][ T4536] ? __fdget_pos+0x27e/0x310 [ 410.664401][ T4536] ksys_write+0x198/0x2c0 [ 410.668876][ T4536] ? __ia32_sys_read+0x90/0x90 [ 410.674599][ T4536] ? debug_smp_processor_id+0x17/0x20 [ 410.680246][ T4536] __x64_sys_write+0x7b/0x90 [ 410.684837][ T4536] do_syscall_64+0x34/0x70 [ 410.689252][ T4536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 410.695121][ T4536] RIP: 0033:0x7fb1345acc09 [ 410.699516][ T4536] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 410.719229][ T4536] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 410.727643][ T4536] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 410.735593][ T4536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 410.743716][ T4536] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 410.751762][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 410.759718][ T4536] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 410.768078][ T4536] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 410.775286][ T4536] !!!! control_disable control_disable ss name cpu [ 410.782419][ T4536] !!!! control_disable control_disable ss name memory [ 410.789379][ T4536] !!!! control_disable control_disable ss name pids [ 410.796364][ T4536] !!!! control_disable kill_css(ffff88810cf49000) [ 410.803240][ T4536] !!!! control_disable control_disable ss name cpu [ 410.809900][ T4536] !!!! control_disable control_disable ss name memory [ 410.816892][ T4536] !!!! control_disable control_disable ss name pids [ 410.823656][ T4536] !!!! control_disable kill_css(ffff88810c27e800) [ 410.830320][ T4536] !!!! control_disable control_disable ss name cpu [ 410.836969][ T4536] !!!! control_disable control_disable ss name memory [ 410.842129][ C1] !!!! css_killed_ref_fn enqueue(ffff88810cf49000) [ 410.844075][ T4536] !!!! control_disable control_disable ss name pids [ 410.857285][ T4536] !!!! control_disable kill_css(ffff88810cf48000) [ 410.863795][ C0] !!!! css_killed_ref_fn enqueue(ffff88810c27e800) [ 410.870552][ T4536] !!!! control_disable control_disable ss name cpu [ 410.877364][ T4536] !!!! control_disable control_disable ss name memory [ 410.884291][ T4536] !!!! control_disable control_disable ss name cpu [ 410.890774][ T4536] !!!! control_disable control_disable ss name memory [ 410.897675][ T4536] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 410.904378][ T4536] !!!! control_disable control_disable ss name memory [ 410.911122][ T4536] !!!! control_disable control_disable ss name cpu [ 410.917737][ T4536] !!!! control_disable control_disable ss name memory [ 410.924772][ T4536] !!!! control_disable control_disable ss name pids [ 410.931389][ T4536] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 410.931462][ T372] !!!! css_killed_work_fn css_put(ffff88810cf49000) [ 410.940607][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cf48000) [ 410.944886][ T372] !!!! css_release enqueue(ffff88810cf49000) [ 410.957733][ T4530] !!!! css_killed_work_fn css_put(ffff88810c27e800) [ 410.964937][ T4530] !!!! css_release enqueue(ffff88810c27e800) [ 410.971233][ T4530] !!!! css_killed_work_fn css_put(ffff88810cf48000) [ 410.978250][ T4530] !!!! css_release enqueue(ffff88810cf48000) [ 410.984509][ T4538] !!!! css_create css ffff888121fda400 !!!! [ 410.990592][ T4538] !!!! css_create css ffff888121fd9400 !!!! [ 410.996607][ T4538] !!!! css_create css ffff88810fbb6000 !!!! [ 411.002665][ T4538] FAULT_INJECTION: forcing a failure. [ 411.002665][ T4538] name failslab, interval 1, probability 0, space 0, times 0 [ 411.015673][ T4538] CPU: 0 PID: 4538 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 411.027487][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.038807][ T4538] Call Trace: [ 411.042120][ T4538] dump_stack_lvl+0x1e2/0x24b [ 411.047164][ T4538] ? panic+0x7d7/0x7d7 [ 411.051238][ T4538] ? bfq_pos_tree_add_move+0x43e/0x43e [ 411.056681][ T4538] ? __kasan_check_write+0x14/0x20 [ 411.061771][ T4538] ? __switch_to+0x5e4/0x1220 [ 411.066444][ T4538] dump_stack+0x15/0x17 [ 411.070578][ T4538] should_fail+0x3c0/0x510 [ 411.074986][ T4538] __should_failslab+0x9f/0xe0 [ 411.079735][ T4538] should_failslab+0x9/0x20 [ 411.084214][ T4538] kmem_cache_alloc+0x3f/0x300 [ 411.089139][ T4538] ? __kernfs_new_node+0xdb/0x6e0 [ 411.094262][ T4538] __kernfs_new_node+0xdb/0x6e0 [ 411.099270][ T4538] ? stack_trace_save+0x1f0/0x1f0 [ 411.104377][ T4538] ? kernfs_new_node+0x170/0x170 [ 411.109390][ T4538] ? ptr_to_hashval+0x60/0x60 [ 411.114047][ T4538] ? snprintf+0xd6/0x120 [ 411.118360][ T4538] kernfs_new_node+0x97/0x170 [ 411.123043][ T4538] __kernfs_create_file+0x4a/0x270 [ 411.128152][ T4538] cgroup_addrm_files+0xab8/0xfe0 [ 411.133209][ T4538] ? cgroup_apply_control_enable+0x734/0x12e0 [ 411.139404][ T4538] ? cgroup_apply_control+0x93/0x710 [ 411.144685][ T4538] ? cgroup_subtree_control_write+0xd19/0x1310 [ 411.150831][ T4538] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 411.157244][ T4538] ? delete_node+0x759/0x7b0 [ 411.161814][ T4538] ? __kasan_check_read+0x11/0x20 [ 411.166810][ T4538] ? delete_node+0x759/0x7b0 [ 411.171372][ T4538] ? __kasan_check_write+0x14/0x20 [ 411.176459][ T4538] ? __radix_tree_replace+0x246/0x2e0 [ 411.181808][ T4538] ? idr_get_next+0x4b0/0x4b0 [ 411.186458][ T4538] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 411.191463][ T4538] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 411.196739][ T4538] css_populate_dir+0x137/0x370 [ 411.201671][ T4538] cgroup_apply_control_enable+0x629/0x12e0 [ 411.207553][ T4538] cgroup_apply_control+0x93/0x710 [ 411.212661][ T4538] ? css_next_child+0x160/0x160 [ 411.217574][ T4538] ? stack_trace_save+0x12d/0x1f0 [ 411.222594][ T4538] ? io_schedule+0x120/0x120 [ 411.227174][ T4538] ? kernfs_fop_write_iter+0x15e/0x410 [ 411.232628][ T4538] ? __kasan_check_write+0x14/0x20 [ 411.237726][ T4538] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 411.242989][ T4538] cgroup_subtree_control_write+0xd19/0x1310 [ 411.248954][ T4538] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.254913][ T4538] ? __kasan_check_write+0x14/0x20 [ 411.260088][ T4538] ? _copy_from_iter+0x3fb/0xd60 [ 411.265011][ T4538] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.271053][ T4538] cgroup_file_write+0x28e/0x590 [ 411.275977][ T4538] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.281163][ T4538] ? mutex_lock+0xa6/0x110 [ 411.285623][ T4538] ? mutex_trylock+0xb0/0xb0 [ 411.290220][ T4538] ? __kasan_check_write+0x14/0x20 [ 411.295320][ T4538] kernfs_fop_write_iter+0x2d0/0x410 [ 411.300583][ T4538] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.305690][ T4538] vfs_write+0xc1c/0xf40 [ 411.309937][ T4538] ? slab_free_freelist_hook+0xcc/0x1a0 [ 411.316777][ T4538] ? kernel_write+0x3c0/0x3c0 [ 411.321443][ T4538] ? do_sys_openat2+0x397/0x470 [ 411.326448][ T4538] ? __kasan_check_read+0x11/0x20 [ 411.331515][ T4538] ? __fdget_pos+0x27e/0x310 [ 411.336114][ T4538] ksys_write+0x198/0x2c0 [ 411.340437][ T4538] ? __ia32_sys_read+0x90/0x90 [ 411.345179][ T4538] ? debug_smp_processor_id+0x17/0x20 [ 411.350646][ T4538] __x64_sys_write+0x7b/0x90 [ 411.355228][ T4538] do_syscall_64+0x34/0x70 [ 411.359739][ T4538] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 411.365635][ T4538] RIP: 0033:0x7fb1345acc09 [ 411.370042][ T4538] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 411.389737][ T4538] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 411.398338][ T4538] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 411.406413][ T4538] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 411.414378][ T4538] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 411.422328][ T4538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 411.430494][ T4538] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 411.438691][ T4538] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 411.446004][ T4538] !!!! control_disable control_disable ss name cpu [ 411.452657][ T4538] !!!! control_disable control_disable ss name memory [ 411.459464][ T4538] !!!! control_disable control_disable ss name pids [ 411.466210][ T4538] !!!! control_disable kill_css(ffff888121fda400) [ 411.472866][ T4538] !!!! control_disable control_disable ss name cpu [ 411.479677][ T4538] !!!! control_disable control_disable ss name memory [ 411.486746][ T4538] !!!! control_disable control_disable ss name pids [ 411.493712][ T4538] !!!! control_disable kill_css(ffff888121fd9400) [ 411.500417][ T4538] !!!! control_disable control_disable ss name cpu [ 411.507285][ T4538] !!!! control_disable control_disable ss name memory [ 411.514083][ C0] !!!! css_killed_ref_fn enqueue(ffff888121fda400) [ 411.520683][ T4538] !!!! control_disable control_disable ss name pids [ 411.527306][ T4538] !!!! control_disable kill_css(ffff88810fbb6000) [ 411.533844][ C0] !!!! css_killed_ref_fn enqueue(ffff888121fd9400) [ 411.540491][ T4538] !!!! control_disable control_disable ss name cpu [ 411.547156][ T4538] !!!! control_disable control_disable ss name memory [ 411.554020][ T4538] !!!! control_disable control_disable ss name cpu [ 411.560589][ T4538] !!!! control_disable control_disable ss name memory [ 411.567696][ T4538] !!!! control_disable control_disable ss name cpu [ 411.574438][ T4538] !!!! control_disable control_disable ss name memory [ 411.581277][ T4538] !!!! control_disable control_disable ss name cpu [ 411.587788][ T4538] !!!! control_disable control_disable ss name memory [ 411.594574][ T4538] !!!! control_disable control_disable ss name pids [ 411.601166][ T4538] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 411.607715][ T4530] !!!! css_killed_work_fn css_put(ffff888121fda400) [ 411.614873][ T4530] !!!! css_release enqueue(ffff888121fda400) [ 411.621141][ T4530] !!!! css_killed_work_fn css_put(ffff888121fd9400) [ 411.627856][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fbb6000) [ 411.634483][ T4530] !!!! css_release enqueue(ffff888121fd9400) [ 411.640686][ T4530] !!!! css_killed_work_fn css_put(ffff88810fbb6000) [ 411.647973][ T4530] !!!! css_release enqueue(ffff88810fbb6000) [ 411.654523][ T4533] !!!! css_create css ffff888111f19c00 !!!! [ 411.654539][ T4540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 411.660469][ T4533] !!!! css_create css ffff888111f1a000 !!!! [ 411.673107][ T4533] !!!! css_create css ffff888111f18400 !!!! [ 411.679167][ T4533] FAULT_INJECTION: forcing a failure. [ 411.679167][ T4533] name failslab, interval 1, probability 0, space 0, times 0 [ 411.692101][ T4533] CPU: 1 PID: 4533 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 411.703796][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.713952][ T4533] Call Trace: [ 411.717227][ T4533] dump_stack_lvl+0x1e2/0x24b [ 411.721885][ T4533] ? panic+0x7d7/0x7d7 [ 411.725937][ T4533] ? record_print_text+0x266/0x420 [ 411.731032][ T4533] ? bfq_pos_tree_add_move+0x43e/0x43e [ 411.736476][ T4533] dump_stack+0x15/0x17 [ 411.740621][ T4533] should_fail+0x3c0/0x510 [ 411.745031][ T4533] __should_failslab+0x9f/0xe0 [ 411.749774][ T4533] should_failslab+0x9/0x20 [ 411.754325][ T4533] kmem_cache_alloc+0x3f/0x300 [ 411.759179][ T4533] ? __kernfs_new_node+0xdb/0x6e0 [ 411.764218][ T4533] __kernfs_new_node+0xdb/0x6e0 [ 411.769457][ T4533] ? stack_trace_save+0x1f0/0x1f0 [ 411.774766][ T4533] ? kernfs_new_node+0x170/0x170 [ 411.779964][ T4533] ? ptr_to_hashval+0x60/0x60 [ 411.785118][ T4533] ? snprintf+0xd6/0x120 [ 411.789648][ T4533] kernfs_new_node+0x97/0x170 [ 411.794410][ T4533] __kernfs_create_file+0x4a/0x270 [ 411.799521][ T4533] cgroup_addrm_files+0xab8/0xfe0 [ 411.804638][ T4533] ? cgroup_apply_control_enable+0x734/0x12e0 [ 411.810872][ T4533] ? cgroup_apply_control+0x93/0x710 [ 411.816142][ T4533] ? cgroup_subtree_control_write+0xd19/0x1310 [ 411.822311][ T4533] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 411.828544][ T4533] ? delete_node+0x759/0x7b0 [ 411.833434][ T4533] ? __kasan_check_read+0x11/0x20 [ 411.838536][ T4533] ? delete_node+0x759/0x7b0 [ 411.843142][ T4533] ? __kasan_check_write+0x14/0x20 [ 411.848378][ T4533] ? __radix_tree_replace+0x246/0x2e0 [ 411.853975][ T4533] ? idr_get_next+0x4b0/0x4b0 [ 411.858738][ T4533] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 411.863781][ T4533] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 411.868965][ T4533] css_populate_dir+0x137/0x370 [ 411.873801][ T4533] cgroup_apply_control_enable+0x629/0x12e0 [ 411.879676][ T4533] cgroup_apply_control+0x93/0x710 [ 411.884776][ T4533] ? css_next_child+0x160/0x160 [ 411.889612][ T4533] ? stack_trace_save+0x12d/0x1f0 [ 411.894617][ T4533] ? io_schedule+0x120/0x120 [ 411.899295][ T4533] ? kernfs_fop_write_iter+0x15e/0x410 [ 411.904738][ T4533] ? __kasan_check_write+0x14/0x20 [ 411.909839][ T4533] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 411.915216][ T4533] cgroup_subtree_control_write+0xd19/0x1310 [ 411.921190][ T4533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.927174][ T4533] ? __kasan_check_write+0x14/0x20 [ 411.932280][ T4533] ? _copy_from_iter+0x3fb/0xd60 [ 411.937205][ T4533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 411.943253][ T4533] cgroup_file_write+0x28e/0x590 [ 411.948261][ T4533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.953450][ T4533] ? mutex_lock+0xa6/0x110 [ 411.957877][ T4533] ? mutex_trylock+0xb0/0xb0 [ 411.962481][ T4533] ? __kasan_check_write+0x14/0x20 [ 411.967580][ T4533] kernfs_fop_write_iter+0x2d0/0x410 [ 411.972846][ T4533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 411.977956][ T4533] vfs_write+0xc1c/0xf40 [ 411.982187][ T4533] ? slab_free_freelist_hook+0xcc/0x1a0 [ 411.987875][ T4533] ? kernel_write+0x3c0/0x3c0 [ 411.992682][ T4533] ? do_sys_openat2+0x397/0x470 [ 411.997622][ T4533] ? __kasan_check_read+0x11/0x20 [ 412.002685][ T4533] ? __fdget_pos+0x27e/0x310 [ 412.007355][ T4533] ksys_write+0x198/0x2c0 [ 412.011749][ T4533] ? __ia32_sys_read+0x90/0x90 [ 412.016519][ T4533] ? debug_smp_processor_id+0x17/0x20 [ 412.021876][ T4533] __x64_sys_write+0x7b/0x90 [ 412.026465][ T4533] do_syscall_64+0x34/0x70 [ 412.030878][ T4533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 412.036756][ T4533] RIP: 0033:0x7fb1345acc09 [ 412.041151][ T4533] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 412.060749][ T4533] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.069284][ T4533] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 412.077329][ T4533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 412.085723][ T4533] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 412.093854][ T4533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 412.102103][ T4533] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 412.111748][ T4533] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 412.119377][ T4533] !!!! control_disable control_disable ss name cpu [ 412.126039][ T4533] !!!! control_disable control_disable ss name memory [ 412.133180][ T4533] !!!! control_disable control_disable ss name pids [ 412.139817][ T4533] !!!! control_disable kill_css(ffff888111f19c00) [ 412.146524][ T4533] !!!! control_disable control_disable ss name cpu [ 412.153223][ T4533] !!!! control_disable control_disable ss name memory [ 412.160307][ T4533] !!!! control_disable control_disable ss name pids [ 412.167018][ T4533] !!!! control_disable kill_css(ffff888111f1a000) [ 412.173658][ C0] !!!! css_killed_ref_fn enqueue(ffff888111f19c00) [ 412.173663][ T4533] !!!! control_disable control_disable ss name cpu [ 412.173678][ T4533] !!!! control_disable control_disable ss name memory [ 412.194111][ T4533] !!!! control_disable control_disable ss name pids [ 412.200958][ T4533] !!!! control_disable kill_css(ffff888111f18400) [ 412.207497][ T4533] !!!! control_disable control_disable ss name cpu [ 412.214623][ C1] !!!! css_killed_ref_fn enqueue(ffff888111f1a000) [ 412.221355][ T4533] !!!! control_disable control_disable ss name memory [ 412.228423][ T4533] !!!! control_disable control_disable ss name cpu [ 412.235078][ T4533] !!!! control_disable control_disable ss name memory [ 412.242138][ T4533] !!!! control_disable control_disable ss name cpu [ 412.249080][ T4533] !!!! control_disable control_disable ss name memory [ 412.255966][ T4533] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 412.262732][ T4533] !!!! control_disable control_disable ss name memory [ 412.269672][ T4533] !!!! control_disable control_disable ss name pids [ 412.276434][ T4533] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.276821][ T4530] !!!! css_killed_work_fn css_put(ffff888111f19c00) [ 412.289990][ T4530] !!!! css_release enqueue(ffff888111f19c00) [ 412.296185][ T372] !!!! css_killed_work_fn css_put(ffff888111f1a000) [ 412.302909][ C1] !!!! css_killed_ref_fn enqueue(ffff888111f18400) [ 412.309808][ T372] !!!! css_release enqueue(ffff888111f1a000) [ 412.316176][ T372] !!!! css_killed_work_fn css_put(ffff888111f18400) [ 412.323297][ T372] !!!! css_release enqueue(ffff888111f18400) [ 412.329647][ T4540] !!!! css_create css ffff888114199800 !!!! [ 412.335701][ T4540] !!!! css_create css ffff88811419b800 !!!! [ 412.341803][ T4540] !!!! css_create css ffff88811419ac00 !!!! [ 412.347901][ T4540] FAULT_INJECTION: forcing a failure. [ 412.347901][ T4540] name failslab, interval 1, probability 0, space 0, times 0 [ 412.360631][ T4540] CPU: 1 PID: 4540 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 412.372750][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.383018][ T4540] Call Trace: [ 412.386308][ T4540] dump_stack_lvl+0x1e2/0x24b [ 412.391233][ T4540] ? panic+0x7d7/0x7d7 [ 412.395472][ T4540] ? bfq_pos_tree_add_move+0x43e/0x43e [ 412.400913][ T4540] ? __kasan_check_write+0x14/0x20 [ 412.406002][ T4540] ? __switch_to+0x5e4/0x1220 [ 412.410672][ T4540] dump_stack+0x15/0x17 [ 412.414910][ T4540] should_fail+0x3c0/0x510 [ 412.419300][ T4540] __should_failslab+0x9f/0xe0 [ 412.424040][ T4540] should_failslab+0x9/0x20 [ 412.428533][ T4540] kmem_cache_alloc+0x3f/0x300 [ 412.433292][ T4540] ? __kernfs_new_node+0xdb/0x6e0 [ 412.438304][ T4540] __kernfs_new_node+0xdb/0x6e0 [ 412.443144][ T4540] ? stack_trace_save+0x1f0/0x1f0 [ 412.448141][ T4540] ? kernfs_new_node+0x170/0x170 [ 412.453052][ T4540] ? ptr_to_hashval+0x60/0x60 [ 412.457701][ T4540] ? snprintf+0xd6/0x120 [ 412.461916][ T4540] kernfs_new_node+0x97/0x170 [ 412.466997][ T4540] __kernfs_create_file+0x4a/0x270 [ 412.472152][ T4540] cgroup_addrm_files+0xab8/0xfe0 [ 412.477182][ T4540] ? cgroup_apply_control_enable+0x734/0x12e0 [ 412.483229][ T4540] ? cgroup_apply_control+0x93/0x710 [ 412.488488][ T4540] ? cgroup_subtree_control_write+0xd19/0x1310 [ 412.494616][ T4540] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 412.500785][ T4540] ? delete_node+0x759/0x7b0 [ 412.505360][ T4540] ? __kasan_check_read+0x11/0x20 [ 412.510370][ T4540] ? delete_node+0x759/0x7b0 [ 412.514975][ T4540] ? __kasan_check_write+0x14/0x20 [ 412.520097][ T4540] ? __radix_tree_replace+0x246/0x2e0 [ 412.525469][ T4540] ? idr_get_next+0x4b0/0x4b0 [ 412.530128][ T4540] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 412.535124][ T4540] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 412.540297][ T4540] css_populate_dir+0x137/0x370 [ 412.545121][ T4540] cgroup_apply_control_enable+0x629/0x12e0 [ 412.550989][ T4540] cgroup_apply_control+0x93/0x710 [ 412.556081][ T4540] ? css_next_child+0x160/0x160 [ 412.561124][ T4540] ? stack_trace_save+0x12d/0x1f0 [ 412.566167][ T4540] ? io_schedule+0x120/0x120 [ 412.570761][ T4540] ? kernfs_fop_write_iter+0x15e/0x410 [ 412.576219][ T4540] ? __kasan_check_write+0x14/0x20 [ 412.582011][ T4540] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 412.587382][ T4540] cgroup_subtree_control_write+0xd19/0x1310 [ 412.593350][ T4540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.599382][ T4540] ? __kasan_check_write+0x14/0x20 [ 412.604487][ T4540] ? _copy_from_iter+0x3fb/0xd60 [ 412.609436][ T4540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 412.615421][ T4540] cgroup_file_write+0x28e/0x590 [ 412.620395][ T4540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.625514][ T4540] ? mutex_lock+0xa6/0x110 [ 412.629914][ T4540] ? mutex_trylock+0xb0/0xb0 [ 412.634482][ T4540] ? __kasan_check_write+0x14/0x20 [ 412.639568][ T4540] kernfs_fop_write_iter+0x2d0/0x410 [ 412.644967][ T4540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 412.650068][ T4540] vfs_write+0xc1c/0xf40 [ 412.654554][ T4540] ? slab_free_freelist_hook+0xcc/0x1a0 [ 412.660462][ T4540] ? kernel_write+0x3c0/0x3c0 [ 412.665230][ T4540] ? do_sys_openat2+0x397/0x470 [ 412.670063][ T4540] ? __kasan_check_read+0x11/0x20 [ 412.675275][ T4540] ? __fdget_pos+0x27e/0x310 [ 412.679875][ T4540] ksys_write+0x198/0x2c0 [ 412.684185][ T4540] ? __ia32_sys_read+0x90/0x90 [ 412.689072][ T4540] ? debug_smp_processor_id+0x17/0x20 [ 412.694450][ T4540] __x64_sys_write+0x7b/0x90 [ 412.699022][ T4540] do_syscall_64+0x34/0x70 [ 412.703445][ T4540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 412.709311][ T4540] RIP: 0033:0x7fb1345acc09 [ 412.713702][ T4540] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 412.733452][ T4540] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.741923][ T4540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 412.749867][ T4540] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 412.757914][ T4540] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 412.765869][ T4540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 412.774078][ T4540] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000002 [ 412.782610][ T4540] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 412.789800][ T4540] !!!! control_disable control_disable ss name cpu [ 412.796961][ T4540] !!!! control_disable control_disable ss name memory [ 412.804097][ T4540] !!!! control_disable control_disable ss name pids [ 412.810849][ T4540] !!!! control_disable kill_css(ffff888114199800) [ 412.817502][ T4540] !!!! control_disable control_disable ss name cpu [ 412.824325][ T4540] !!!! control_disable control_disable ss name memory [ 412.831319][ T4540] !!!! control_disable control_disable ss name pids [ 412.838090][ T4540] !!!! control_disable kill_css(ffff88811419b800) [ 412.845313][ C1] !!!! css_killed_ref_fn enqueue(ffff888114199800) [ 412.851959][ T4540] !!!! control_disable control_disable ss name cpu [ 412.858535][ T4540] !!!! control_disable control_disable ss name memory [ 412.865412][ T4540] !!!! control_disable control_disable ss name pids [ 412.871980][ T4540] !!!! control_disable kill_css(ffff88811419ac00) [ 412.878901][ T4540] !!!! control_disable control_disable ss name cpu [ 412.885441][ T4540] !!!! control_disable control_disable ss name memory [ 412.892395][ T4540] !!!! control_disable control_disable ss name cpu [ 412.898889][ T4540] !!!! control_disable control_disable ss name memory [ 412.905766][ T4540] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 412.912425][ T4540] !!!! control_disable control_disable ss name memory [ 412.919169][ T4540] !!!! control_disable control_disable ss name cpu [ 412.926556][ T4540] !!!! control_disable control_disable ss name memory [ 412.933604][ T4540] !!!! control_disable control_disable ss name pids [ 412.940224][ T4540] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.946853][ C1] !!!! css_killed_ref_fn enqueue(ffff88811419b800) [ 412.953518][ T372] !!!! css_killed_work_fn css_put(ffff888114199800) [ 412.960452][ T372] !!!! css_release enqueue(ffff888114199800) [ 412.966686][ T372] !!!! css_killed_work_fn css_put(ffff88811419b800) [ 412.973627][ C1] !!!! css_killed_ref_fn enqueue(ffff88811419ac00) [ 412.980224][ T372] !!!! css_release enqueue(ffff88811419b800) [ 412.986602][ T372] !!!! css_killed_work_fn css_put(ffff88811419ac00) [ 412.993525][ T372] !!!! css_release enqueue(ffff88811419ac00) [ 412.999713][ T4542] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 412.999741][ T4539] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.006304][ T4534] !!!! css_create css ffff888119677c00 !!!! [ 413.018873][ T4534] !!!! css_create css ffff888119675400 !!!! [ 413.024835][ T4534] !!!! css_create css ffff888119676400 !!!! [ 413.030925][ T4534] FAULT_INJECTION: forcing a failure. [ 413.030925][ T4534] name failslab, interval 1, probability 0, space 0, times 0 [ 413.043523][ T4534] CPU: 0 PID: 4534 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 413.055247][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.065446][ T4534] Call Trace: [ 413.068861][ T4534] dump_stack_lvl+0x1e2/0x24b [ 413.073541][ T4534] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.079077][ T4534] ? serial8250_console_write+0xae0/0xe60 [ 413.084984][ T4534] ? record_print_text+0x266/0x420 [ 413.090107][ T4534] dump_stack+0x15/0x17 [ 413.094373][ T4534] should_fail+0x3c0/0x510 [ 413.098779][ T4534] ? __kernfs_new_node+0x99/0x6e0 [ 413.103863][ T4534] __should_failslab+0x9f/0xe0 [ 413.108617][ T4534] should_failslab+0x9/0x20 [ 413.113131][ T4534] __kmalloc_track_caller+0x5f/0x350 [ 413.118539][ T4534] kstrdup_const+0x55/0x90 [ 413.123159][ T4534] __kernfs_new_node+0x99/0x6e0 [ 413.127994][ T4534] ? stack_trace_save+0x1f0/0x1f0 [ 413.133119][ T4534] ? kernfs_new_node+0x170/0x170 [ 413.138315][ T4534] ? ptr_to_hashval+0x60/0x60 [ 413.143138][ T4534] ? snprintf+0xd6/0x120 [ 413.147376][ T4534] kernfs_new_node+0x97/0x170 [ 413.152047][ T4534] __kernfs_create_file+0x4a/0x270 [ 413.157184][ T4534] cgroup_addrm_files+0xab8/0xfe0 [ 413.162203][ T4534] ? cgroup_apply_control_enable+0x734/0x12e0 [ 413.168259][ T4534] ? cgroup_apply_control+0x93/0x710 [ 413.173723][ T4534] ? cgroup_subtree_control_write+0xd19/0x1310 [ 413.180052][ T4534] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 413.186186][ T4534] ? delete_node+0x759/0x7b0 [ 413.190781][ T4534] ? __kasan_check_read+0x11/0x20 [ 413.195803][ T4534] ? delete_node+0x759/0x7b0 [ 413.200521][ T4534] ? __kasan_check_write+0x14/0x20 [ 413.205731][ T4534] ? __radix_tree_replace+0x246/0x2e0 [ 413.211435][ T4534] ? idr_get_next+0x4b0/0x4b0 [ 413.216102][ T4534] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 413.221215][ T4534] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 413.226497][ T4534] css_populate_dir+0x137/0x370 [ 413.231538][ T4534] cgroup_apply_control_enable+0x629/0x12e0 [ 413.237435][ T4534] cgroup_apply_control+0x93/0x710 [ 413.242694][ T4534] ? css_next_child+0x160/0x160 [ 413.247539][ T4534] ? stack_trace_save+0x12d/0x1f0 [ 413.252551][ T4534] ? io_schedule+0x120/0x120 [ 413.257130][ T4534] ? kernfs_fop_write_iter+0x15e/0x410 [ 413.262567][ T4534] ? __kasan_check_write+0x14/0x20 [ 413.267657][ T4534] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.273045][ T4534] cgroup_subtree_control_write+0xd19/0x1310 [ 413.279020][ T4534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.285533][ T4534] ? __kasan_check_write+0x14/0x20 [ 413.290626][ T4534] ? _copy_from_iter+0x3fb/0xd60 [ 413.295632][ T4534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.301773][ T4534] cgroup_file_write+0x28e/0x590 [ 413.306989][ T4534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.312098][ T4534] ? mutex_lock+0xa6/0x110 [ 413.316606][ T4534] ? mutex_trylock+0xb0/0xb0 [ 413.321193][ T4534] ? __kasan_check_write+0x14/0x20 [ 413.326292][ T4534] kernfs_fop_write_iter+0x2d0/0x410 [ 413.331563][ T4534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.336660][ T4534] vfs_write+0xc1c/0xf40 [ 413.340883][ T4534] ? slab_free_freelist_hook+0xcc/0x1a0 [ 413.346411][ T4534] ? kernel_write+0x3c0/0x3c0 [ 413.351081][ T4534] ? do_sys_openat2+0x397/0x470 [ 413.356011][ T4534] ? __kasan_check_read+0x11/0x20 [ 413.361135][ T4534] ? __fdget_pos+0x27e/0x310 [ 413.365806][ T4534] ksys_write+0x198/0x2c0 [ 413.370260][ T4534] ? __ia32_sys_read+0x90/0x90 [ 413.375272][ T4534] ? debug_smp_processor_id+0x17/0x20 [ 413.380639][ T4534] __x64_sys_write+0x7b/0x90 [ 413.385216][ T4534] do_syscall_64+0x34/0x70 [ 413.389705][ T4534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 413.395578][ T4534] RIP: 0033:0x7fb1345acc09 [ 413.399977][ T4534] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 413.419560][ T4534] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 413.428076][ T4534] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 413.436120][ T4534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 413.444077][ T4534] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 413.452032][ T4534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 413.459987][ T4534] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 413.468081][ T4534] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 413.475303][ T4534] !!!! control_disable control_disable ss name cpu [ 413.481809][ T4534] !!!! control_disable control_disable ss name memory [ 413.488641][ T4534] !!!! control_disable control_disable ss name pids [ 413.495261][ T4534] !!!! control_disable kill_css(ffff888119677c00) [ 413.501951][ T4534] !!!! control_disable control_disable ss name cpu [ 413.508637][ T4534] !!!! control_disable control_disable ss name memory [ 413.515422][ T4534] !!!! control_disable control_disable ss name pids [ 413.522474][ T4534] !!!! control_disable kill_css(ffff888119675400) [ 413.529106][ T4534] !!!! control_disable control_disable ss name cpu [ 413.535763][ T4534] !!!! control_disable control_disable ss name memory [ 413.542547][ T4534] !!!! control_disable control_disable ss name pids [ 413.549130][ T4534] !!!! control_disable kill_css(ffff888119676400) [ 413.555725][ T4534] !!!! control_disable control_disable ss name cpu [ 413.562456][ T4534] !!!! control_disable control_disable ss name memory [ 413.569314][ T4534] !!!! control_disable control_disable ss name cpu [ 413.576132][ T4534] !!!! control_disable control_disable ss name memory [ 413.582916][ T4534] !!!! control_disable control_disable ss name cpu [ 413.589401][ T4534] !!!! control_disable control_disable ss name memory [ 413.596165][ T4534] !!!! control_disable control_disable ss name cpu [ 413.602675][ T4534] !!!! control_disable control_disable ss name memory [ 413.609450][ T4534] !!!! control_disable control_disable ss name pids [ 413.616254][ T4534] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 413.642141][ C0] !!!! css_killed_ref_fn enqueue(ffff888119677c00) [ 413.648941][ T4530] !!!! css_killed_work_fn css_put(ffff888119677c00) [ 413.656909][ T4530] !!!! css_release enqueue(ffff888119677c00) [ 413.663010][ C0] !!!! css_killed_ref_fn enqueue(ffff888119675400) [ 413.663024][ C0] !!!! css_killed_ref_fn enqueue(ffff888119676400) [ 413.677151][ T4530] !!!! css_killed_work_fn css_put(ffff888119675400) [ 413.684030][ T4530] !!!! css_release enqueue(ffff888119675400) [ 413.690290][ T4530] !!!! css_killed_work_fn css_put(ffff888119676400) [ 413.697355][ T4530] !!!! css_release enqueue(ffff888119676400) [ 413.703724][ T4542] !!!! css_create css ffff888117324c00 !!!! [ 413.709726][ T4542] !!!! css_create css ffff888117326800 !!!! [ 413.715760][ T4542] !!!! css_create css ffff888117324800 !!!! [ 413.721709][ T4542] FAULT_INJECTION: forcing a failure. [ 413.721709][ T4542] name failslab, interval 1, probability 0, space 0, times 0 [ 413.734652][ T4542] CPU: 0 PID: 4542 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 413.746449][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.756573][ T4542] Call Trace: [ 413.759933][ T4542] dump_stack_lvl+0x1e2/0x24b [ 413.765022][ T4542] ? bfq_pos_tree_add_move+0x43e/0x43e [ 413.770658][ T4542] dump_stack+0x15/0x17 [ 413.774798][ T4542] should_fail+0x3c0/0x510 [ 413.779194][ T4542] ? __kernfs_new_node+0x99/0x6e0 [ 413.784226][ T4542] __should_failslab+0x9f/0xe0 [ 413.789001][ T4542] should_failslab+0x9/0x20 [ 413.793490][ T4542] __kmalloc_track_caller+0x5f/0x350 [ 413.799597][ T4542] kstrdup_const+0x55/0x90 [ 413.804118][ T4542] __kernfs_new_node+0x99/0x6e0 [ 413.809258][ T4542] ? stack_trace_save+0x1f0/0x1f0 [ 413.814627][ T4542] ? kernfs_new_node+0x170/0x170 [ 413.819689][ T4542] ? ptr_to_hashval+0x60/0x60 [ 413.824355][ T4542] ? snprintf+0xd6/0x120 [ 413.828589][ T4542] kernfs_new_node+0x97/0x170 [ 413.833358][ T4542] __kernfs_create_file+0x4a/0x270 [ 413.838486][ T4542] cgroup_addrm_files+0xab8/0xfe0 [ 413.843504][ T4542] ? cgroup_apply_control_enable+0x734/0x12e0 [ 413.849646][ T4542] ? cgroup_apply_control+0x93/0x710 [ 413.855137][ T4542] ? cgroup_subtree_control_write+0xd19/0x1310 [ 413.861474][ T4542] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 413.867821][ T4542] ? delete_node+0x759/0x7b0 [ 413.872639][ T4542] ? __kasan_check_read+0x11/0x20 [ 413.877920][ T4542] ? delete_node+0x759/0x7b0 [ 413.882501][ T4542] ? __kasan_check_write+0x14/0x20 [ 413.887642][ T4542] ? __radix_tree_replace+0x246/0x2e0 [ 413.893094][ T4542] ? idr_get_next+0x4b0/0x4b0 [ 413.898098][ T4542] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 413.903110][ T4542] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 413.908285][ T4542] css_populate_dir+0x137/0x370 [ 413.913131][ T4542] cgroup_apply_control_enable+0x629/0x12e0 [ 413.919012][ T4542] cgroup_apply_control+0x93/0x710 [ 413.924362][ T4542] ? css_next_child+0x160/0x160 [ 413.929372][ T4542] ? stack_trace_save+0x12d/0x1f0 [ 413.934375][ T4542] ? io_schedule+0x120/0x120 [ 413.939304][ T4542] ? kernfs_fop_write_iter+0x15e/0x410 [ 413.944746][ T4542] ? __kasan_check_write+0x14/0x20 [ 413.949844][ T4542] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 413.955107][ T4542] cgroup_subtree_control_write+0xd19/0x1310 [ 413.961086][ T4542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.967060][ T4542] ? __kasan_check_write+0x14/0x20 [ 413.972151][ T4542] ? _copy_from_iter+0x3fb/0xd60 [ 413.977152][ T4542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 413.983120][ T4542] cgroup_file_write+0x28e/0x590 [ 413.988036][ T4542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 413.993133][ T4542] ? mutex_lock+0xa6/0x110 [ 413.997792][ T4542] ? mutex_trylock+0xb0/0xb0 [ 414.002364][ T4542] ? __kasan_check_write+0x14/0x20 [ 414.007469][ T4542] kernfs_fop_write_iter+0x2d0/0x410 [ 414.012734][ T4542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.017824][ T4542] vfs_write+0xc1c/0xf40 [ 414.022151][ T4542] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.027690][ T4542] ? kernel_write+0x3c0/0x3c0 [ 414.032400][ T4542] ? do_sys_openat2+0x397/0x470 [ 414.037233][ T4542] ? __kasan_check_read+0x11/0x20 [ 414.042248][ T4542] ? __fdget_pos+0x27e/0x310 [ 414.047084][ T4542] ksys_write+0x198/0x2c0 [ 414.051410][ T4542] ? __ia32_sys_read+0x90/0x90 [ 414.056182][ T4542] ? debug_smp_processor_id+0x17/0x20 [ 414.061674][ T4542] __x64_sys_write+0x7b/0x90 [ 414.066254][ T4542] do_syscall_64+0x34/0x70 [ 414.070675][ T4542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.076575][ T4542] RIP: 0033:0x7fb1345acc09 [ 414.080987][ T4542] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 414.100771][ T4542] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.109301][ T4542] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 414.117348][ T4542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.125410][ T4542] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 414.133454][ T4542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.141405][ T4542] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000003 [ 414.149985][ T4542] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 414.157277][ T4542] !!!! control_disable control_disable ss name cpu [ 414.163850][ T4542] !!!! control_disable control_disable ss name memory [ 414.170831][ T4542] !!!! control_disable control_disable ss name pids [ 414.177661][ T4542] !!!! control_disable kill_css(ffff888117324c00) [ 414.184317][ T4542] !!!! control_disable control_disable ss name cpu [ 414.190884][ T4542] !!!! control_disable control_disable ss name memory [ 414.197756][ T4542] !!!! control_disable control_disable ss name pids [ 414.204471][ T4542] !!!! control_disable kill_css(ffff888117326800) [ 414.211076][ T4542] !!!! control_disable control_disable ss name cpu [ 414.217750][ T4542] !!!! control_disable control_disable ss name memory [ 414.224630][ C1] !!!! css_killed_ref_fn enqueue(ffff888117324c00) [ 414.231254][ T4542] !!!! control_disable control_disable ss name pids [ 414.237883][ T4542] !!!! control_disable kill_css(ffff888117324800) [ 414.244404][ C1] !!!! css_killed_ref_fn enqueue(ffff888117326800) [ 414.251015][ T4542] !!!! control_disable control_disable ss name cpu [ 414.257555][ T4542] !!!! control_disable control_disable ss name memory [ 414.264446][ T4542] !!!! control_disable control_disable ss name cpu [ 414.270925][ T4542] !!!! control_disable control_disable ss name memory [ 414.277934][ T4542] !!!! control_disable control_disable ss name cpu [ 414.284533][ T4542] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 414.291273][ T4542] !!!! control_disable control_disable ss name cpu [ 414.297779][ T4542] !!!! control_disable control_disable ss name memory [ 414.304583][ T4542] !!!! control_disable control_disable ss name pids [ 414.311197][ T4542] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.317826][ T372] !!!! css_killed_work_fn css_put(ffff888117324c00) [ 414.324784][ T372] !!!! css_release enqueue(ffff888117324c00) [ 414.330983][ T372] !!!! css_killed_work_fn css_put(ffff888117326800) [ 414.338196][ C1] !!!! css_killed_ref_fn enqueue(ffff888117324800) [ 414.345001][ T372] !!!! css_release enqueue(ffff888117326800) [ 414.351381][ T372] !!!! css_killed_work_fn css_put(ffff888117324800) [ 414.358161][ T372] !!!! css_release enqueue(ffff888117324800) [ 414.364283][ T4544] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.365212][ T4537] !!!! css_create css ffff88810c898c00 !!!! [ 414.378701][ T4537] !!!! css_create css ffff88810c89a800 !!!! [ 414.384678][ T4537] !!!! css_create css ffff88810c898800 !!!! [ 414.390591][ T4537] FAULT_INJECTION: forcing a failure. [ 414.390591][ T4537] name failslab, interval 1, probability 0, space 0, times 0 [ 414.403403][ T4537] CPU: 0 PID: 4537 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 414.415191][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.425678][ T4537] Call Trace: [ 414.428982][ T4537] dump_stack_lvl+0x1e2/0x24b [ 414.433785][ T4537] ? bfq_pos_tree_add_move+0x43e/0x43e [ 414.439232][ T4537] ? find_next_bit+0xd6/0x120 [ 414.443916][ T4537] ? cpumask_next+0x11/0x30 [ 414.448413][ T4537] dump_stack+0x15/0x17 [ 414.452743][ T4537] should_fail+0x3c0/0x510 [ 414.457147][ T4537] ? percpu_ref_init+0xd0/0x330 [ 414.461980][ T4537] __should_failslab+0x9f/0xe0 [ 414.466810][ T4537] should_failslab+0x9/0x20 [ 414.471398][ T4537] kmem_cache_alloc_trace+0x3a/0x330 [ 414.476778][ T4537] percpu_ref_init+0xd0/0x330 [ 414.481458][ T4537] ? cgroup_setup_root+0xea0/0xea0 [ 414.488232][ T4537] cgroup_apply_control_enable+0x734/0x12e0 [ 414.494129][ T4537] cgroup_apply_control+0x93/0x710 [ 414.499227][ T4537] ? css_next_child+0x160/0x160 [ 414.504080][ T4537] ? stack_trace_save+0x12d/0x1f0 [ 414.509107][ T4537] ? io_schedule+0x120/0x120 [ 414.514288][ T4537] ? kernfs_fop_write_iter+0x15e/0x410 [ 414.519725][ T4537] ? __kasan_check_write+0x14/0x20 [ 414.525357][ T4537] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 414.530646][ T4537] cgroup_subtree_control_write+0xd19/0x1310 [ 414.536656][ T4537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.542794][ T4537] ? __kasan_check_write+0x14/0x20 [ 414.548626][ T4537] ? _copy_from_iter+0x3fb/0xd60 [ 414.553595][ T4537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 414.559573][ T4537] cgroup_file_write+0x28e/0x590 [ 414.564495][ T4537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.569628][ T4537] ? mutex_lock+0xa6/0x110 [ 414.574067][ T4537] ? mutex_trylock+0xb0/0xb0 [ 414.578685][ T4537] ? __kasan_check_write+0x14/0x20 [ 414.583809][ T4537] kernfs_fop_write_iter+0x2d0/0x410 [ 414.589101][ T4537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 414.594227][ T4537] vfs_write+0xc1c/0xf40 [ 414.598451][ T4537] ? slab_free_freelist_hook+0xcc/0x1a0 [ 414.603980][ T4537] ? kernel_write+0x3c0/0x3c0 [ 414.608658][ T4537] ? do_sys_openat2+0x397/0x470 [ 414.613501][ T4537] ? __kasan_check_read+0x11/0x20 [ 414.619804][ T4537] ? __fdget_pos+0x27e/0x310 [ 414.624385][ T4537] ksys_write+0x198/0x2c0 [ 414.628788][ T4537] ? __ia32_sys_read+0x90/0x90 [ 414.633593][ T4537] ? debug_smp_processor_id+0x17/0x20 [ 414.639041][ T4537] __x64_sys_write+0x7b/0x90 [ 414.643618][ T4537] do_syscall_64+0x34/0x70 [ 414.648119][ T4537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.654002][ T4537] RIP: 0033:0x7fb1345acc09 [ 414.658404][ T4537] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 414.678305][ T4537] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.686796][ T4537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 414.694924][ T4537] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 414.702878][ T4537] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 414.710916][ T4537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 414.719041][ T4537] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 414.727470][ T4537] !!!! css_create rcu_enqueue(ffff88810c898800) !!!! [ 414.734312][ T4537] !!!! control_disable control_disable ss name cpu [ 414.740850][ T4537] !!!! control_disable control_disable ss name memory [ 414.747733][ T4537] !!!! control_disable control_disable ss name pids [ 414.755240][ T4537] !!!! control_disable kill_css(ffff88810c898c00) [ 414.761755][ T4537] !!!! control_disable control_disable ss name cpu [ 414.768742][ T4537] !!!! control_disable control_disable ss name memory [ 414.775725][ T4537] !!!! control_disable control_disable ss name pids [ 414.783093][ T4537] !!!! control_disable kill_css(ffff88810c89a800) [ 414.789786][ T4537] !!!! control_disable control_disable ss name cpu [ 414.796347][ T4537] !!!! control_disable control_disable ss name memory [ 414.796633][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c898c00) [ 414.803314][ T4537] !!!! control_disable control_disable ss name cpu [ 414.809937][ C1] !!!! css_killed_ref_fn enqueue(ffff88810c89a800) [ 414.816723][ T4537] !!!! control_disable control_disable ss name memory [ 414.830009][ T4537] !!!! control_disable control_disable ss name cpu [ 414.836784][ T4537] !!!! control_disable control_disable ss name memory [ 414.843677][ T4537] !!!! control_disable control_disable ss name cpu [ 414.850342][ T4537] !!!! control_disable control_disable ss name memory [ 414.857714][ T4537] !!!! control_disable control_disable ss name cpu [ 414.864630][ T4537] !!!! control_disable control_disable ss name memory [ 414.872022][ T4537] !!!! control_disable control_disable ss name pids [ 414.879003][ T4537] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.879136][ T372] !!!! css_killed_work_fn css_put(ffff88810c898c00) [ 414.892666][ T372] !!!! css_release enqueue(ffff88810c898c00) [ 414.898949][ T372] !!!! css_killed_work_fn css_put(ffff88810c89a800) [ 414.905867][ T372] !!!! css_release enqueue(ffff88810c89a800) [ 414.911968][ T4545] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 414.911983][ T4539] !!!! css_create css ffff88810f5de400 !!!! [ 414.924779][ T4539] !!!! css_create css ffff88810f5dcc00 !!!! [ 414.930687][ T4539] !!!! css_create css ffff88810f5de800 !!!! [ 414.936722][ T4539] FAULT_INJECTION: forcing a failure. [ 414.936722][ T4539] name failslab, interval 1, probability 0, space 0, times 0 [ 414.949465][ T4539] CPU: 1 PID: 4539 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 414.961150][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.971280][ T4539] Call Trace: [ 414.974564][ T4539] dump_stack_lvl+0x1e2/0x24b [ 414.979233][ T4539] ? bfq_pos_tree_add_move+0x43e/0x43e [ 414.984756][ T4539] dump_stack+0x15/0x17 [ 414.988903][ T4539] should_fail+0x3c0/0x510 [ 414.993317][ T4539] ? __kernfs_new_node+0x99/0x6e0 [ 414.998439][ T4539] __should_failslab+0x9f/0xe0 [ 415.003181][ T4539] should_failslab+0x9/0x20 [ 415.007662][ T4539] __kmalloc_track_caller+0x5f/0x350 [ 415.013028][ T4539] kstrdup_const+0x55/0x90 [ 415.017481][ T4539] __kernfs_new_node+0x99/0x6e0 [ 415.022423][ T4539] ? stack_trace_save+0x1f0/0x1f0 [ 415.027437][ T4539] ? kernfs_new_node+0x170/0x170 [ 415.032350][ T4539] ? ptr_to_hashval+0x60/0x60 [ 415.037089][ T4539] ? snprintf+0xd6/0x120 [ 415.041311][ T4539] kernfs_new_node+0x97/0x170 [ 415.046048][ T4539] __kernfs_create_file+0x4a/0x270 [ 415.051161][ T4539] cgroup_addrm_files+0xab8/0xfe0 [ 415.056172][ T4539] ? cgroup_apply_control_enable+0x734/0x12e0 [ 415.062320][ T4539] ? cgroup_apply_control+0x93/0x710 [ 415.067602][ T4539] ? cgroup_subtree_control_write+0xd19/0x1310 [ 415.073977][ T4539] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 415.080144][ T4539] ? delete_node+0x759/0x7b0 [ 415.085171][ T4539] ? __kasan_check_read+0x11/0x20 [ 415.090183][ T4539] ? delete_node+0x759/0x7b0 [ 415.094766][ T4539] ? __kasan_check_write+0x14/0x20 [ 415.100037][ T4539] ? __radix_tree_replace+0x246/0x2e0 [ 415.105549][ T4539] ? idr_get_next+0x4b0/0x4b0 [ 415.110229][ T4539] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 415.115425][ T4539] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 415.120756][ T4539] css_populate_dir+0x137/0x370 [ 415.125789][ T4539] cgroup_apply_control_enable+0x629/0x12e0 [ 415.131854][ T4539] cgroup_apply_control+0x93/0x710 [ 415.137100][ T4539] ? css_next_child+0x160/0x160 [ 415.141941][ T4539] ? stack_trace_save+0x12d/0x1f0 [ 415.146965][ T4539] ? io_schedule+0x120/0x120 [ 415.151576][ T4539] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.157028][ T4539] ? __kasan_check_write+0x14/0x20 [ 415.162167][ T4539] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.167445][ T4539] cgroup_subtree_control_write+0xd19/0x1310 [ 415.173514][ T4539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.179475][ T4539] ? __kasan_check_write+0x14/0x20 [ 415.184599][ T4539] ? _copy_from_iter+0x3fb/0xd60 [ 415.189564][ T4539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.195672][ T4539] cgroup_file_write+0x28e/0x590 [ 415.200596][ T4539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.205707][ T4539] ? mutex_lock+0xa6/0x110 [ 415.210120][ T4539] ? mutex_trylock+0xb0/0xb0 [ 415.214701][ T4539] ? __kasan_check_write+0x14/0x20 [ 415.219806][ T4539] kernfs_fop_write_iter+0x2d0/0x410 [ 415.225217][ T4539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.230328][ T4539] vfs_write+0xc1c/0xf40 [ 415.234677][ T4539] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.240217][ T4539] ? kernel_write+0x3c0/0x3c0 [ 415.244902][ T4539] ? do_sys_openat2+0x397/0x470 [ 415.249753][ T4539] ? __kasan_check_read+0x11/0x20 [ 415.254935][ T4539] ? __fdget_pos+0x27e/0x310 [ 415.259525][ T4539] ksys_write+0x198/0x2c0 [ 415.264013][ T4539] ? __ia32_sys_read+0x90/0x90 [ 415.268944][ T4539] ? debug_smp_processor_id+0x17/0x20 [ 415.274296][ T4539] __x64_sys_write+0x7b/0x90 [ 415.278939][ T4539] do_syscall_64+0x34/0x70 [ 415.283461][ T4539] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.289337][ T4539] RIP: 0033:0x7fb1345acc09 [ 415.293766][ T4539] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 415.314072][ T4539] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 415.322472][ T4539] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 415.330558][ T4539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 415.338529][ T4539] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 415.346568][ T4539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 415.354525][ T4539] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000002 [ 415.362826][ T4539] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 415.369862][ T4539] !!!! control_disable control_disable ss name cpu [ 415.376455][ T4539] !!!! control_disable control_disable ss name memory [ 415.383226][ T4539] !!!! control_disable control_disable ss name pids [ 415.389876][ T4539] !!!! control_disable kill_css(ffff88810f5de400) [ 415.396429][ T4539] !!!! control_disable control_disable ss name cpu [ 415.402930][ T4539] !!!! control_disable control_disable ss name memory [ 415.409667][ T4539] !!!! control_disable control_disable ss name pids [ 415.416348][ T4539] !!!! control_disable kill_css(ffff88810f5dcc00) [ 415.423600][ T4539] !!!! control_disable control_disable ss name cpu [ 415.430240][ T4539] !!!! control_disable control_disable ss name memory [ 415.437209][ T4539] !!!! control_disable control_disable ss name pids [ 415.443818][ T4539] !!!! control_disable kill_css(ffff88810f5de800) [ 415.450632][ T4539] !!!! control_disable control_disable ss name cpu [ 415.457518][ T4539] !!!! control_disable control_disable ss name memory [ 415.464310][ T4539] !!!! control_disable control_disable ss name cpu [ 415.470869][ T4539] !!!! control_disable control_disable ss name memory [ 415.477681][ T4539] !!!! control_disable control_disable ss name cpu [ 415.484318][ T4539] !!!! control_disable control_disable ss name memory [ 415.491070][ T4539] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 415.497577][ T4539] !!!! control_disable control_disable ss name memory [ 415.504383][ T4539] !!!! control_disable control_disable ss name pids [ 415.511109][ T4539] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 415.562141][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5de400) [ 415.568968][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5dcc00) [ 415.575776][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5de800) [ 415.582420][ T372] !!!! css_killed_work_fn css_put(ffff88810f5de400) [ 415.589115][ T372] !!!! css_release enqueue(ffff88810f5de400) [ 415.595373][ T372] !!!! css_killed_work_fn css_put(ffff88810f5dcc00) [ 415.602033][ T372] !!!! css_release enqueue(ffff88810f5dcc00) [ 415.608434][ T372] !!!! css_killed_work_fn css_put(ffff88810f5de800) [ 415.615397][ T372] !!!! css_release enqueue(ffff88810f5de800) [ 415.624430][ T4532] !!!! css_create css ffff88810f5dc400 !!!! [ 415.630483][ T4532] !!!! css_create css ffff88810f5dec00 !!!! [ 415.636822][ T4532] !!!! css_create css ffff88810f5df800 !!!! [ 415.642759][ T4532] FAULT_INJECTION: forcing a failure. [ 415.642759][ T4532] name failslab, interval 1, probability 0, space 0, times 0 [ 415.655585][ T4532] CPU: 1 PID: 4532 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 415.667684][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.678208][ T4532] Call Trace: [ 415.681535][ T4532] dump_stack_lvl+0x1e2/0x24b [ 415.686218][ T4532] ? bfq_pos_tree_add_move+0x43e/0x43e [ 415.692891][ T4532] dump_stack+0x15/0x17 [ 415.697122][ T4532] should_fail+0x3c0/0x510 [ 415.701518][ T4532] ? __kernfs_new_node+0x99/0x6e0 [ 415.706538][ T4532] __should_failslab+0x9f/0xe0 [ 415.711457][ T4532] should_failslab+0x9/0x20 [ 415.715942][ T4532] __kmalloc_track_caller+0x5f/0x350 [ 415.721437][ T4532] kstrdup_const+0x55/0x90 [ 415.725927][ T4532] __kernfs_new_node+0x99/0x6e0 [ 415.730767][ T4532] ? stack_trace_save+0x1f0/0x1f0 [ 415.735774][ T4532] ? kernfs_new_node+0x170/0x170 [ 415.740702][ T4532] ? ptr_to_hashval+0x60/0x60 [ 415.745650][ T4532] ? snprintf+0xd6/0x120 [ 415.750231][ T4532] kernfs_new_node+0x97/0x170 [ 415.755071][ T4532] __kernfs_create_file+0x4a/0x270 [ 415.760174][ T4532] cgroup_addrm_files+0xab8/0xfe0 [ 415.765195][ T4532] ? cgroup_apply_control_enable+0x734/0x12e0 [ 415.771823][ T4532] ? cgroup_apply_control+0x93/0x710 [ 415.777105][ T4532] ? cgroup_subtree_control_write+0xd19/0x1310 [ 415.783242][ T4532] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 415.789488][ T4532] ? delete_node+0x759/0x7b0 [ 415.794068][ T4532] ? __kasan_check_read+0x11/0x20 [ 415.799251][ T4532] ? delete_node+0x759/0x7b0 [ 415.803818][ T4532] ? __kasan_check_write+0x14/0x20 [ 415.808935][ T4532] ? __radix_tree_replace+0x246/0x2e0 [ 415.814295][ T4532] ? idr_get_next+0x4b0/0x4b0 [ 415.819186][ T4532] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 415.824385][ T4532] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 415.829768][ T4532] css_populate_dir+0x137/0x370 [ 415.834866][ T4532] cgroup_apply_control_enable+0x629/0x12e0 [ 415.840924][ T4532] cgroup_apply_control+0x93/0x710 [ 415.846120][ T4532] ? css_next_child+0x160/0x160 [ 415.851068][ T4532] ? stack_trace_save+0x12d/0x1f0 [ 415.856088][ T4532] ? io_schedule+0x120/0x120 [ 415.860690][ T4532] ? kernfs_fop_write_iter+0x15e/0x410 [ 415.866140][ T4532] ? __kasan_check_write+0x14/0x20 [ 415.871249][ T4532] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 415.876617][ T4532] cgroup_subtree_control_write+0xd19/0x1310 [ 415.882602][ T4532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.888567][ T4532] ? __kasan_check_write+0x14/0x20 [ 415.893756][ T4532] ? _copy_from_iter+0x3fb/0xd60 [ 415.898690][ T4532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 415.904651][ T4532] cgroup_file_write+0x28e/0x590 [ 415.909577][ T4532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.914669][ T4532] ? mutex_lock+0xa6/0x110 [ 415.919059][ T4532] ? mutex_trylock+0xb0/0xb0 [ 415.923638][ T4532] ? __kasan_check_write+0x14/0x20 [ 415.928724][ T4532] kernfs_fop_write_iter+0x2d0/0x410 [ 415.933986][ T4532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 415.939078][ T4532] vfs_write+0xc1c/0xf40 [ 415.943320][ T4532] ? slab_free_freelist_hook+0xcc/0x1a0 [ 415.948930][ T4532] ? kernel_write+0x3c0/0x3c0 [ 415.953587][ T4532] ? do_sys_openat2+0x397/0x470 [ 415.958414][ T4532] ? __kasan_check_read+0x11/0x20 [ 415.963417][ T4532] ? __fdget_pos+0x27e/0x310 [ 415.967982][ T4532] ksys_write+0x198/0x2c0 [ 415.972812][ T4532] ? __ia32_sys_read+0x90/0x90 [ 415.977556][ T4532] ? debug_smp_processor_id+0x17/0x20 [ 415.982908][ T4532] __x64_sys_write+0x7b/0x90 [ 415.987561][ T4532] do_syscall_64+0x34/0x70 [ 415.991995][ T4532] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 415.997966][ T4532] RIP: 0033:0x7fb1345acc09 [ 416.002391][ T4532] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 416.022516][ T4532] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.031087][ T4532] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 416.039065][ T4532] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.047029][ T4532] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 416.054996][ T4532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.063208][ T4532] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000000 [ 416.071494][ T4532] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 416.078655][ T4532] !!!! control_disable control_disable ss name cpu [ 416.085327][ T4532] !!!! control_disable control_disable ss name memory [ 416.093292][ T4532] !!!! control_disable control_disable ss name pids [ 416.100034][ T4532] !!!! control_disable kill_css(ffff88810f5dc400) [ 416.106726][ T4532] !!!! control_disable control_disable ss name cpu [ 416.113453][ T4532] !!!! control_disable control_disable ss name memory [ 416.120519][ T4532] !!!! control_disable control_disable ss name pids [ 416.127372][ T4532] !!!! control_disable kill_css(ffff88810f5dec00) [ 416.134604][ T4532] !!!! control_disable control_disable ss name cpu [ 416.134745][ C1] !!!! css_killed_ref_fn enqueue(ffff88810f5dc400) [ 416.141373][ T4532] !!!! control_disable control_disable ss name memory [ 416.155572][ T4532] !!!! control_disable control_disable ss name pids [ 416.162345][ T4532] !!!! control_disable kill_css(ffff88810f5df800) [ 416.169435][ T4532] !!!! control_disable control_disable ss name cpu [ 416.175986][ T4532] !!!! control_disable control_disable ss name memory [ 416.183020][ T4532] !!!! control_disable control_disable ss name cpu [ 416.189516][ T4532] !!!! control_disable control_disable ss name memory [ 416.196293][ T4532] !!!! control_disable control_disable ss name cpu [ 416.202808][ T4532] !!!! control_disable control_disable ss name memory [ 416.209565][ T4532] !!!! control_disable control_disable ss name cpu [ 416.216089][ T4532] !!!! control_disable control_disable ss name memory [ 416.222962][ T4532] !!!! control_disable control_disable ss name pids [ 416.229578][ T4532] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.229675][ T372] !!!! css_killed_work_fn css_put(ffff88810f5dc400) [ 416.237864][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f5dec00) [ 416.242941][ T372] !!!! css_release enqueue(ffff88810f5dc400) [ 416.255834][ T383] !!!! css_killed_work_fn css_put(ffff88810f5dec00) [ 416.262723][ C0] !!!! css_killed_ref_fn enqueue(ffff88810f5df800) [ 416.269552][ T383] !!!! css_release enqueue(ffff88810f5dec00) [ 416.276039][ T383] !!!! css_killed_work_fn css_put(ffff88810f5df800) [ 416.282869][ T383] !!!! css_release enqueue(ffff88810f5df800) [ 416.289187][ T4541] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.289205][ T4546] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.296286][ T4541] !!!! css_create css ffff8881135c4c00 !!!! [ 416.308601][ T4541] !!!! css_create css ffff8881135c4800 !!!! [ 416.314693][ T4541] !!!! css_create css ffff8881107e5400 !!!! [ 416.320936][ T4541] FAULT_INJECTION: forcing a failure. [ 416.320936][ T4541] name failslab, interval 1, probability 0, space 0, times 0 [ 416.333660][ T4541] CPU: 0 PID: 4541 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 416.345541][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.355948][ T4541] Call Trace: [ 416.359234][ T4541] dump_stack_lvl+0x1e2/0x24b [ 416.363910][ T4541] ? bfq_pos_tree_add_move+0x43e/0x43e [ 416.369622][ T4541] dump_stack+0x15/0x17 [ 416.373945][ T4541] should_fail+0x3c0/0x510 [ 416.378866][ T4541] ? __kernfs_new_node+0x99/0x6e0 [ 416.383887][ T4541] __should_failslab+0x9f/0xe0 [ 416.389104][ T4541] should_failslab+0x9/0x20 [ 416.393854][ T4541] __kmalloc_track_caller+0x5f/0x350 [ 416.399471][ T4541] kstrdup_const+0x55/0x90 [ 416.404140][ T4541] __kernfs_new_node+0x99/0x6e0 [ 416.408983][ T4541] ? stack_trace_save+0x1f0/0x1f0 [ 416.413998][ T4541] ? kernfs_new_node+0x170/0x170 [ 416.418917][ T4541] ? ptr_to_hashval+0x60/0x60 [ 416.423677][ T4541] ? snprintf+0xd6/0x120 [ 416.427914][ T4541] kernfs_new_node+0x97/0x170 [ 416.432734][ T4541] __kernfs_create_file+0x4a/0x270 [ 416.437836][ T4541] cgroup_addrm_files+0xab8/0xfe0 [ 416.442984][ T4541] ? cgroup_apply_control_enable+0x734/0x12e0 [ 416.449034][ T4541] ? cgroup_apply_control+0x93/0x710 [ 416.454347][ T4541] ? cgroup_subtree_control_write+0xd19/0x1310 [ 416.460507][ T4541] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 416.466655][ T4541] ? delete_node+0x759/0x7b0 [ 416.471253][ T4541] ? __kasan_check_read+0x11/0x20 [ 416.476396][ T4541] ? delete_node+0x759/0x7b0 [ 416.480969][ T4541] ? __kasan_check_write+0x14/0x20 [ 416.486070][ T4541] ? __radix_tree_replace+0x246/0x2e0 [ 416.491514][ T4541] ? idr_get_next+0x4b0/0x4b0 [ 416.496213][ T4541] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 416.501217][ T4541] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 416.506407][ T4541] css_populate_dir+0x137/0x370 [ 416.511239][ T4541] cgroup_apply_control_enable+0x629/0x12e0 [ 416.517135][ T4541] cgroup_apply_control+0x93/0x710 [ 416.522248][ T4541] ? css_next_child+0x160/0x160 [ 416.527083][ T4541] ? stack_trace_save+0x12d/0x1f0 [ 416.532189][ T4541] ? io_schedule+0x120/0x120 [ 416.536859][ T4541] ? kernfs_fop_write_iter+0x15e/0x410 [ 416.542450][ T4541] ? __kasan_check_write+0x14/0x20 [ 416.547559][ T4541] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 416.552830][ T4541] cgroup_subtree_control_write+0xd19/0x1310 [ 416.558814][ T4541] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.564882][ T4541] ? __kasan_check_write+0x14/0x20 [ 416.570078][ T4541] ? _copy_from_iter+0x3fb/0xd60 [ 416.575686][ T4541] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 416.581663][ T4541] cgroup_file_write+0x28e/0x590 [ 416.586593][ T4541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.591688][ T4541] ? mutex_lock+0xa6/0x110 [ 416.596082][ T4541] ? mutex_trylock+0xb0/0xb0 [ 416.600736][ T4541] ? __kasan_check_write+0x14/0x20 [ 416.605875][ T4541] kernfs_fop_write_iter+0x2d0/0x410 [ 416.611506][ T4541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 416.616651][ T4541] vfs_write+0xc1c/0xf40 [ 416.620901][ T4541] ? slab_free_freelist_hook+0xcc/0x1a0 [ 416.626972][ T4541] ? kernel_write+0x3c0/0x3c0 [ 416.631644][ T4541] ? do_sys_openat2+0x397/0x470 [ 416.636666][ T4541] ? __kasan_check_read+0x11/0x20 [ 416.641681][ T4541] ? __fdget_pos+0x27e/0x310 [ 416.646611][ T4541] ksys_write+0x198/0x2c0 [ 416.651283][ T4541] ? __ia32_sys_read+0x90/0x90 [ 416.656498][ T4541] ? debug_smp_processor_id+0x17/0x20 [ 416.662142][ T4541] __x64_sys_write+0x7b/0x90 [ 416.667102][ T4541] do_syscall_64+0x34/0x70 [ 416.672221][ T4541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 416.678209][ T4541] RIP: 0033:0x7fb1345acc09 [ 416.682815][ T4541] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 416.702869][ T4541] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 416.711350][ T4541] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 416.719529][ T4541] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 416.727507][ T4541] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 416.735487][ T4541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 416.743645][ T4541] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 416.752501][ T4541] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 416.759561][ T4541] !!!! control_disable control_disable ss name cpu [ 416.766107][ T4541] !!!! control_disable control_disable ss name memory [ 416.773177][ T4541] !!!! control_disable control_disable ss name pids [ 416.780187][ T4541] !!!! control_disable kill_css(ffff8881135c4c00) [ 416.786916][ T4541] !!!! control_disable control_disable ss name cpu [ 416.793749][ T4541] !!!! control_disable control_disable ss name memory [ 416.800942][ T4541] !!!! control_disable control_disable ss name pids [ 416.807914][ T4541] !!!! control_disable kill_css(ffff8881135c4800) [ 416.814522][ T4541] !!!! control_disable control_disable ss name cpu [ 416.821183][ T4541] !!!! control_disable control_disable ss name memory [ 416.828011][ C1] !!!! css_killed_ref_fn enqueue(ffff8881135c4c00) [ 416.834646][ T4541] !!!! control_disable control_disable ss name pids [ 416.841240][ T4541] !!!! control_disable kill_css(ffff8881107e5400) [ 416.848002][ T4541] !!!! control_disable control_disable ss name cpu [ 416.854561][ C1] !!!! css_killed_ref_fn enqueue(ffff8881135c4800) [ 416.861188][ T4541] !!!! control_disable control_disable ss name memory [ 416.867969][ T4541] !!!! control_disable control_disable ss name cpu [ 416.874950][ T4541] !!!! control_disable control_disable ss name memory [ 416.881782][ T4541] !!!! control_disable control_disable ss name cpu [ 416.888561][ T4541] !!!! control_disable control_disable ss name memory [ 416.895795][ T4541] !!!! control_disable control_disable ss name cpu [ 416.902307][ T4541] !!!! control_disable control_disable ss name memory [ 416.909065][ T4541] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 416.915688][ T4541] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.922222][ T372] !!!! css_killed_work_fn css_put(ffff8881135c4c00) [ 416.929165][ T372] !!!! css_release enqueue(ffff8881135c4c00) [ 416.935404][ T372] !!!! css_killed_work_fn css_put(ffff8881135c4800) [ 416.942420][ C1] !!!! css_killed_ref_fn enqueue(ffff8881107e5400) [ 416.949201][ T372] !!!! css_release enqueue(ffff8881135c4800) [ 416.955761][ T372] !!!! css_killed_work_fn css_put(ffff8881107e5400) [ 416.963334][ T372] !!!! css_release enqueue(ffff8881107e5400) [ 416.969528][ T4548] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.972216][ T4547] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 416.976563][ T4548] !!!! css_create css ffff888114a7c400 !!!! [ 416.988632][ T4548] !!!! css_create css ffff888114a7ec00 !!!! [ 416.994621][ T4548] !!!! css_create css ffff888114a7f800 !!!! [ 417.000510][ T4548] FAULT_INJECTION: forcing a failure. [ 417.000510][ T4548] name failslab, interval 1, probability 0, space 0, times 0 [ 417.013127][ T4548] CPU: 1 PID: 4548 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 417.024833][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.035147][ T4548] Call Trace: [ 417.038431][ T4548] dump_stack_lvl+0x1e2/0x24b [ 417.043104][ T4548] ? bfq_pos_tree_add_move+0x43e/0x43e [ 417.048548][ T4548] ? find_next_bit+0xd6/0x120 [ 417.053220][ T4548] ? cpumask_next+0x11/0x30 [ 417.057743][ T4548] dump_stack+0x15/0x17 [ 417.061896][ T4548] should_fail+0x3c0/0x510 [ 417.066295][ T4548] ? percpu_ref_init+0xd0/0x330 [ 417.071132][ T4548] __should_failslab+0x9f/0xe0 [ 417.075878][ T4548] should_failslab+0x9/0x20 [ 417.080364][ T4548] kmem_cache_alloc_trace+0x3a/0x330 [ 417.085788][ T4548] percpu_ref_init+0xd0/0x330 [ 417.090464][ T4548] ? cgroup_setup_root+0xea0/0xea0 [ 417.095559][ T4548] cgroup_apply_control_enable+0x734/0x12e0 [ 417.101548][ T4548] cgroup_apply_control+0x93/0x710 [ 417.106648][ T4548] ? css_next_child+0x160/0x160 [ 417.111572][ T4548] ? stack_trace_save+0x12d/0x1f0 [ 417.116692][ T4548] ? io_schedule+0x120/0x120 [ 417.121265][ T4548] ? kernfs_fop_write_iter+0x15e/0x410 [ 417.126708][ T4548] ? __kasan_check_write+0x14/0x20 [ 417.131814][ T4548] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 417.137095][ T4548] cgroup_subtree_control_write+0xd19/0x1310 [ 417.143071][ T4548] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.149148][ T4548] ? __kasan_check_write+0x14/0x20 [ 417.154249][ T4548] ? _copy_from_iter+0x3fb/0xd60 [ 417.159173][ T4548] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.165138][ T4548] cgroup_file_write+0x28e/0x590 [ 417.170060][ T4548] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.175166][ T4548] ? mutex_lock+0xa6/0x110 [ 417.179565][ T4548] ? mutex_trylock+0xb0/0xb0 [ 417.184141][ T4548] ? __kasan_check_write+0x14/0x20 [ 417.189244][ T4548] kernfs_fop_write_iter+0x2d0/0x410 [ 417.194519][ T4548] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.199618][ T4548] vfs_write+0xc1c/0xf40 [ 417.203963][ T4548] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.209493][ T4548] ? kernel_write+0x3c0/0x3c0 [ 417.214242][ T4548] ? do_sys_openat2+0x397/0x470 [ 417.219076][ T4548] ? __kasan_check_read+0x11/0x20 [ 417.224169][ T4548] ? __fdget_pos+0x27e/0x310 [ 417.228737][ T4548] ksys_write+0x198/0x2c0 [ 417.233075][ T4548] ? __ia32_sys_read+0x90/0x90 [ 417.237819][ T4548] ? debug_smp_processor_id+0x17/0x20 [ 417.243170][ T4548] __x64_sys_write+0x7b/0x90 [ 417.247741][ T4548] do_syscall_64+0x34/0x70 [ 417.252162][ T4548] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.258158][ T4548] RIP: 0033:0x7fb1345acc09 [ 417.262562][ T4548] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 417.282266][ T4548] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.290664][ T4548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 417.298637][ T4548] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.306593][ T4548] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 417.314614][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.322771][ T4548] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000002 [ 417.330924][ T4548] !!!! css_create rcu_enqueue(ffff888114a7f800) !!!! [ 417.337630][ T4548] !!!! control_disable control_disable ss name cpu [ 417.344164][ T4548] !!!! control_disable control_disable ss name memory [ 417.350923][ T4548] !!!! control_disable control_disable ss name pids [ 417.357655][ T4548] !!!! control_disable kill_css(ffff888114a7c400) [ 417.364212][ T4548] !!!! control_disable control_disable ss name cpu [ 417.370792][ T4548] !!!! control_disable control_disable ss name memory [ 417.377727][ T4548] !!!! control_disable control_disable ss name pids [ 417.384357][ T4548] !!!! control_disable kill_css(ffff888114a7ec00) [ 417.390960][ T4548] !!!! control_disable control_disable ss name cpu [ 417.397471][ T4548] !!!! control_disable control_disable ss name memory [ 417.404267][ T4548] !!!! control_disable control_disable ss name cpu [ 417.410750][ T4548] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 417.417520][ T4548] !!!! control_disable control_disable ss name cpu [ 417.424135][ T4548] !!!! control_disable control_disable ss name memory [ 417.430878][ T4548] !!!! control_disable control_disable ss name cpu [ 417.437841][ T4548] !!!! control_disable control_disable ss name memory [ 417.444645][ T4548] !!!! control_disable control_disable ss name cpu [ 417.451122][ T4548] !!!! control_disable control_disable ss name memory [ 417.457936][ T4548] !!!! control_disable control_disable ss name pids [ 417.464541][ T4548] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 417.492134][ C1] !!!! css_killed_ref_fn enqueue(ffff888114a7c400) [ 417.498810][ C1] !!!! css_killed_ref_fn enqueue(ffff888114a7ec00) [ 417.505463][ T372] !!!! css_killed_work_fn css_put(ffff888114a7c400) [ 417.512195][ T372] !!!! css_release enqueue(ffff888114a7c400) [ 417.518390][ T372] !!!! css_killed_work_fn css_put(ffff888114a7ec00) [ 417.525191][ T372] !!!! css_release enqueue(ffff888114a7ec00) [ 417.531527][ T4544] !!!! css_create css ffff88810fbb6c00 !!!! [ 417.537653][ T4544] !!!! css_create css ffff888110738400 !!!! [ 417.543983][ T4544] !!!! css_create css ffff888110739c00 !!!! [ 417.550090][ T4544] FAULT_INJECTION: forcing a failure. [ 417.550090][ T4544] name failslab, interval 1, probability 0, space 0, times 0 [ 417.563012][ T4544] CPU: 0 PID: 4544 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 417.574893][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.584937][ T4544] Call Trace: [ 417.588216][ T4544] dump_stack_lvl+0x1e2/0x24b [ 417.592953][ T4544] ? bfq_pos_tree_add_move+0x43e/0x43e [ 417.598471][ T4544] dump_stack+0x15/0x17 [ 417.602612][ T4544] should_fail+0x3c0/0x510 [ 417.607000][ T4544] ? __kernfs_new_node+0x99/0x6e0 [ 417.612003][ T4544] __should_failslab+0x9f/0xe0 [ 417.617437][ T4544] should_failslab+0x9/0x20 [ 417.621925][ T4544] __kmalloc_track_caller+0x5f/0x350 [ 417.627205][ T4544] kstrdup_const+0x55/0x90 [ 417.633272][ T4544] __kernfs_new_node+0x99/0x6e0 [ 417.638114][ T4544] ? stack_trace_save+0x1f0/0x1f0 [ 417.643201][ T4544] ? kernfs_new_node+0x170/0x170 [ 417.648644][ T4544] ? ptr_to_hashval+0x60/0x60 [ 417.653462][ T4544] ? snprintf+0xd6/0x120 [ 417.657899][ T4544] kernfs_new_node+0x97/0x170 [ 417.662932][ T4544] __kernfs_create_file+0x4a/0x270 [ 417.668300][ T4544] cgroup_addrm_files+0xab8/0xfe0 [ 417.673306][ T4544] ? cgroup_apply_control_enable+0x734/0x12e0 [ 417.679561][ T4544] ? cgroup_apply_control+0x93/0x710 [ 417.684842][ T4544] ? cgroup_subtree_control_write+0xd19/0x1310 [ 417.690986][ T4544] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 417.697111][ T4544] ? delete_node+0x759/0x7b0 [ 417.701679][ T4544] ? __kasan_check_read+0x11/0x20 [ 417.706762][ T4544] ? delete_node+0x759/0x7b0 [ 417.711416][ T4544] ? __kasan_check_write+0x14/0x20 [ 417.716519][ T4544] ? __radix_tree_replace+0x246/0x2e0 [ 417.721877][ T4544] ? idr_get_next+0x4b0/0x4b0 [ 417.726525][ T4544] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 417.731537][ T4544] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 417.736737][ T4544] css_populate_dir+0x137/0x370 [ 417.741572][ T4544] cgroup_apply_control_enable+0x629/0x12e0 [ 417.747527][ T4544] cgroup_apply_control+0x93/0x710 [ 417.752618][ T4544] ? css_next_child+0x160/0x160 [ 417.757793][ T4544] ? stack_trace_save+0x12d/0x1f0 [ 417.763156][ T4544] ? io_schedule+0x120/0x120 [ 417.767723][ T4544] ? kernfs_fop_write_iter+0x15e/0x410 [ 417.780188][ T4544] ? __kasan_check_write+0x14/0x20 [ 417.785269][ T4544] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 417.790614][ T4544] cgroup_subtree_control_write+0xd19/0x1310 [ 417.796581][ T4544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.802881][ T4544] ? __kasan_check_write+0x14/0x20 [ 417.807986][ T4544] ? _copy_from_iter+0x3fb/0xd60 [ 417.813065][ T4544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 417.819027][ T4544] cgroup_file_write+0x28e/0x590 [ 417.823933][ T4544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.829026][ T4544] ? mutex_lock+0xa6/0x110 [ 417.833617][ T4544] ? mutex_trylock+0xb0/0xb0 [ 417.838476][ T4544] ? __kasan_check_write+0x14/0x20 [ 417.843672][ T4544] kernfs_fop_write_iter+0x2d0/0x410 [ 417.849032][ T4544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 417.854118][ T4544] vfs_write+0xc1c/0xf40 [ 417.858356][ T4544] ? slab_free_freelist_hook+0xcc/0x1a0 [ 417.863968][ T4544] ? kernel_write+0x3c0/0x3c0 [ 417.868789][ T4544] ? do_sys_openat2+0x397/0x470 [ 417.873614][ T4544] ? __kasan_check_read+0x11/0x20 [ 417.878785][ T4544] ? __fdget_pos+0x27e/0x310 [ 417.883377][ T4544] ksys_write+0x198/0x2c0 [ 417.887782][ T4544] ? __kasan_check_write+0x14/0x20 [ 417.892998][ T4544] ? __ia32_sys_read+0x90/0x90 [ 417.897753][ T4544] ? debug_smp_processor_id+0x17/0x20 [ 417.903110][ T4544] __x64_sys_write+0x7b/0x90 [ 417.907677][ T4544] do_syscall_64+0x34/0x70 [ 417.912068][ T4544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 417.917937][ T4544] RIP: 0033:0x7fb1345acc09 [ 417.922348][ T4544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 417.941945][ T4544] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 417.950333][ T4544] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 417.958278][ T4544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 417.966253][ T4544] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 417.974398][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 417.982611][ T4544] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000004 [ 417.990997][ T4544] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 417.998255][ T4544] !!!! control_disable control_disable ss name cpu [ 418.004903][ T4544] !!!! control_disable control_disable ss name memory [ 418.012484][ T4544] !!!! control_disable control_disable ss name pids [ 418.019626][ T4544] !!!! control_disable kill_css(ffff88810fbb6c00) [ 418.026327][ T4544] !!!! control_disable control_disable ss name cpu [ 418.033254][ T4544] !!!! control_disable control_disable ss name memory [ 418.040082][ T4544] !!!! control_disable control_disable ss name pids [ 418.046916][ T4544] !!!! control_disable kill_css(ffff888110738400) [ 418.053877][ C0] !!!! css_killed_ref_fn enqueue(ffff88810fbb6c00) [ 418.060664][ T4544] !!!! control_disable control_disable ss name cpu [ 418.067273][ T4544] !!!! control_disable control_disable ss name memory [ 418.074750][ T4544] !!!! control_disable control_disable ss name pids [ 418.081886][ T4544] !!!! control_disable kill_css(ffff888110739c00) [ 418.088431][ T4544] !!!! control_disable control_disable ss name cpu [ 418.094950][ T4544] !!!! control_disable control_disable ss name memory [ 418.101710][ T4544] !!!! control_disable control_disable ss name cpu [ 418.108239][ T4544] !!!! control_disable control_disable ss name memory [ 418.115169][ T4544] !!!! control_disable control_disable ss name cpu [ 418.121649][ T4544] !!!! control_disable control_disable ss name memory [ 418.128953][ T4544] !!!! control_disable control_disable ss name cpu [ 418.135559][ T4544] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 418.142342][ T4544] !!!! control_disable control_disable ss name pids [ 418.149225][ T4544] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.155803][ T383] !!!! css_killed_work_fn css_put(ffff88810fbb6c00) [ 418.162502][ C0] !!!! css_killed_ref_fn enqueue(ffff888110738400) [ 418.169199][ T383] !!!! css_release enqueue(ffff88810fbb6c00) [ 418.175411][ T383] !!!! css_killed_work_fn css_put(ffff888110738400) [ 418.182374][ C0] !!!! css_killed_ref_fn enqueue(ffff888110739c00) [ 418.189113][ T383] !!!! css_release enqueue(ffff888110738400) [ 418.195636][ T383] !!!! css_killed_work_fn css_put(ffff888110739c00) [ 418.202471][ T383] !!!! css_release enqueue(ffff888110739c00) [ 418.208562][ T4550] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.208582][ T4543] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.215421][ T4550] !!!! css_create css ffff8881109bf000 !!!! [ 418.227554][ T4550] !!!! css_create css ffff8881109bd800 !!!! [ 418.233598][ T4550] !!!! css_create css ffff8881109bec00 !!!! [ 418.239526][ T4550] FAULT_INJECTION: forcing a failure. [ 418.239526][ T4550] name failslab, interval 1, probability 0, space 0, times 0 [ 418.252265][ T4550] CPU: 0 PID: 4550 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 418.264083][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.274121][ T4550] Call Trace: [ 418.277420][ T4550] dump_stack_lvl+0x1e2/0x24b [ 418.282088][ T4550] ? bfq_pos_tree_add_move+0x43e/0x43e [ 418.287564][ T4550] ? serial8250_console_write+0xae0/0xe60 [ 418.293368][ T4550] ? record_print_text+0x266/0x420 [ 418.298467][ T4550] dump_stack+0x15/0x17 [ 418.302601][ T4550] should_fail+0x3c0/0x510 [ 418.307007][ T4550] ? __kernfs_new_node+0x99/0x6e0 [ 418.312016][ T4550] __should_failslab+0x9f/0xe0 [ 418.316764][ T4550] should_failslab+0x9/0x20 [ 418.321424][ T4550] __kmalloc_track_caller+0x5f/0x350 [ 418.326762][ T4550] kstrdup_const+0x55/0x90 [ 418.331176][ T4550] __kernfs_new_node+0x99/0x6e0 [ 418.336033][ T4550] ? stack_trace_save+0x1f0/0x1f0 [ 418.341052][ T4550] ? kernfs_new_node+0x170/0x170 [ 418.346262][ T4550] ? ptr_to_hashval+0x60/0x60 [ 418.350943][ T4550] ? snprintf+0xd6/0x120 [ 418.355180][ T4550] kernfs_new_node+0x97/0x170 [ 418.359862][ T4550] __kernfs_create_file+0x4a/0x270 [ 418.365057][ T4550] cgroup_addrm_files+0xab8/0xfe0 [ 418.370256][ T4550] ? cgroup_apply_control_enable+0x734/0x12e0 [ 418.376307][ T4550] ? cgroup_apply_control+0x93/0x710 [ 418.381603][ T4550] ? cgroup_subtree_control_write+0xd19/0x1310 [ 418.387758][ T4550] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 418.393891][ T4550] ? delete_node+0x759/0x7b0 [ 418.398546][ T4550] ? __kasan_check_read+0x11/0x20 [ 418.403560][ T4550] ? delete_node+0x759/0x7b0 [ 418.408217][ T4550] ? __kasan_check_write+0x14/0x20 [ 418.413309][ T4550] ? __radix_tree_replace+0x246/0x2e0 [ 418.418765][ T4550] ? idr_get_next+0x4b0/0x4b0 [ 418.423417][ T4550] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 418.428418][ T4550] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 418.433669][ T4550] css_populate_dir+0x137/0x370 [ 418.438636][ T4550] cgroup_apply_control_enable+0x629/0x12e0 [ 418.444637][ T4550] cgroup_apply_control+0x93/0x710 [ 418.449817][ T4550] ? css_next_child+0x160/0x160 [ 418.454716][ T4550] ? stack_trace_save+0x12d/0x1f0 [ 418.459734][ T4550] ? io_schedule+0x120/0x120 [ 418.464426][ T4550] ? kernfs_fop_write_iter+0x15e/0x410 [ 418.469870][ T4550] ? __kasan_check_write+0x14/0x20 [ 418.474981][ T4550] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 418.480435][ T4550] cgroup_subtree_control_write+0xd19/0x1310 [ 418.486402][ T4550] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.492741][ T4550] ? __kasan_check_write+0x14/0x20 [ 418.497850][ T4550] ? _copy_from_iter+0x3fb/0xd60 [ 418.502956][ T4550] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 418.511665][ T4550] cgroup_file_write+0x28e/0x590 [ 418.516624][ T4550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.522214][ T4550] ? mutex_lock+0xa6/0x110 [ 418.526626][ T4550] ? mutex_trylock+0xb0/0xb0 [ 418.531338][ T4550] ? __kasan_check_write+0x14/0x20 [ 418.536439][ T4550] kernfs_fop_write_iter+0x2d0/0x410 [ 418.542058][ T4550] ? cgroup_seqfile_stop+0xc0/0xc0 [ 418.547497][ T4550] vfs_write+0xc1c/0xf40 [ 418.551736][ T4550] ? slab_free_freelist_hook+0xcc/0x1a0 [ 418.557292][ T4550] ? kernel_write+0x3c0/0x3c0 [ 418.562574][ T4550] ? do_sys_openat2+0x397/0x470 [ 418.567524][ T4550] ? __kasan_check_read+0x11/0x20 [ 418.572582][ T4550] ? __fdget_pos+0x27e/0x310 [ 418.577305][ T4550] ksys_write+0x198/0x2c0 [ 418.581704][ T4550] ? __ia32_sys_read+0x90/0x90 [ 418.586709][ T4550] ? debug_smp_processor_id+0x17/0x20 [ 418.592060][ T4550] __x64_sys_write+0x7b/0x90 [ 418.596715][ T4550] do_syscall_64+0x34/0x70 [ 418.601380][ T4550] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 418.607291][ T4550] RIP: 0033:0x7fb1345acc09 [ 418.611707][ T4550] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 418.631599][ T4550] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 418.639999][ T4550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 418.648125][ T4550] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 418.656102][ T4550] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 418.664079][ T4550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 418.672035][ T4550] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000005 [ 418.680400][ T4550] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 418.687530][ T4550] !!!! control_disable control_disable ss name cpu [ 418.695040][ T4550] !!!! control_disable control_disable ss name memory [ 418.701942][ T4550] !!!! control_disable control_disable ss name pids [ 418.709083][ T4550] !!!! control_disable kill_css(ffff8881109bf000) [ 418.715795][ T4550] !!!! control_disable control_disable ss name cpu [ 418.722551][ T4550] !!!! control_disable control_disable ss name memory [ 418.729463][ T4550] !!!! control_disable control_disable ss name pids [ 418.736292][ T4550] !!!! control_disable kill_css(ffff8881109bd800) [ 418.743238][ T4550] !!!! control_disable control_disable ss name cpu [ 418.749783][ T4550] !!!! control_disable control_disable ss name memory [ 418.752101][ C0] !!!! css_killed_ref_fn enqueue(ffff8881109bf000) [ 418.757179][ T4550] !!!! control_disable control_disable ss name pids [ 418.770967][ T4550] !!!! control_disable kill_css(ffff8881109bec00) [ 418.778624][ T4550] !!!! control_disable control_disable ss name cpu [ 418.786575][ T4550] !!!! control_disable control_disable ss name memory [ 418.793868][ T4550] !!!! control_disable control_disable ss name cpu [ 418.800551][ T4550] !!!! control_disable control_disable ss name memory [ 418.808283][ T4550] !!!! control_disable control_disable ss name cpu [ 418.815016][ T4550] !!!! control_disable control_disable ss name memory [ 418.822172][ T4550] !!!! control_disable control_disable ss name cpu [ 418.829040][ T4550] !!!! control_disable control_disable ss name memory [ 418.835822][ T4550] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 418.844126][ T4550] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 418.853838][ T383] !!!! css_killed_work_fn css_put(ffff8881109bf000) [ 418.862028][ T383] !!!! css_release enqueue(ffff8881109bf000) [ 418.862102][ C1] !!!! css_killed_ref_fn enqueue(ffff8881109bd800) [ 418.875859][ T372] !!!! css_killed_work_fn css_put(ffff8881109bd800) [ 418.883894][ C1] !!!! css_killed_ref_fn enqueue(ffff8881109bec00) [ 418.891975][ T372] !!!! css_release enqueue(ffff8881109bd800) [ 418.899492][ T372] !!!! css_killed_work_fn css_put(ffff8881109bec00) [ 418.906679][ T372] !!!! css_release enqueue(ffff8881109bec00) [ 418.913103][ T4545] !!!! css_create css ffff88811c9ca800 !!!! [ 418.919943][ T4545] !!!! css_create css ffff88811c9c8800 !!!! [ 418.926930][ T4545] !!!! css_create css ffff88811c9c9000 !!!! [ 418.933453][ T4545] FAULT_INJECTION: forcing a failure. [ 418.933453][ T4545] name failslab, interval 1, probability 0, space 0, times 0 [ 418.946326][ T4545] CPU: 0 PID: 4545 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 418.958112][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.968160][ T4545] Call Trace: [ 418.971582][ T4545] dump_stack_lvl+0x1e2/0x24b [ 418.976254][ T4545] ? bfq_pos_tree_add_move+0x43e/0x43e [ 418.981707][ T4545] dump_stack+0x15/0x17 [ 418.986096][ T4545] should_fail+0x3c0/0x510 [ 418.990643][ T4545] ? __kernfs_new_node+0x99/0x6e0 [ 418.995654][ T4545] __should_failslab+0x9f/0xe0 [ 419.000411][ T4545] should_failslab+0x9/0x20 [ 419.004904][ T4545] __kmalloc_track_caller+0x5f/0x350 [ 419.010346][ T4545] kstrdup_const+0x55/0x90 [ 419.015435][ T4545] __kernfs_new_node+0x99/0x6e0 [ 419.020271][ T4545] ? stack_trace_save+0x1f0/0x1f0 [ 419.025278][ T4545] ? kernfs_new_node+0x170/0x170 [ 419.030329][ T4545] ? ptr_to_hashval+0x60/0x60 [ 419.034982][ T4545] ? snprintf+0xd6/0x120 [ 419.039304][ T4545] kernfs_new_node+0x97/0x170 [ 419.044054][ T4545] __kernfs_create_file+0x4a/0x270 [ 419.049232][ T4545] cgroup_addrm_files+0xab8/0xfe0 [ 419.054236][ T4545] ? cgroup_apply_control_enable+0x734/0x12e0 [ 419.060462][ T4545] ? cgroup_apply_control+0x93/0x710 [ 419.065736][ T4545] ? cgroup_subtree_control_write+0xd19/0x1310 [ 419.071877][ T4545] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 419.078012][ T4545] ? delete_node+0x759/0x7b0 [ 419.082606][ T4545] ? __kasan_check_read+0x11/0x20 [ 419.087732][ T4545] ? delete_node+0x759/0x7b0 [ 419.092391][ T4545] ? __kasan_check_write+0x14/0x20 [ 419.097717][ T4545] ? __radix_tree_replace+0x246/0x2e0 [ 419.103173][ T4545] ? idr_get_next+0x4b0/0x4b0 [ 419.107931][ T4545] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 419.112954][ T4545] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 419.118140][ T4545] css_populate_dir+0x137/0x370 [ 419.122988][ T4545] cgroup_apply_control_enable+0x629/0x12e0 [ 419.128976][ T4545] cgroup_apply_control+0x93/0x710 [ 419.134233][ T4545] ? css_next_child+0x160/0x160 [ 419.139063][ T4545] ? stack_trace_save+0x12d/0x1f0 [ 419.144087][ T4545] ? io_schedule+0x120/0x120 [ 419.148671][ T4545] ? kernfs_fop_write_iter+0x15e/0x410 [ 419.154128][ T4545] ? __kasan_check_write+0x14/0x20 [ 419.160293][ T4545] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 419.165570][ T4545] cgroup_subtree_control_write+0xd19/0x1310 [ 419.171529][ T4545] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.177489][ T4545] ? __kasan_check_write+0x14/0x20 [ 419.182578][ T4545] ? _copy_from_iter+0x3fb/0xd60 [ 419.187511][ T4545] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.193470][ T4545] cgroup_file_write+0x28e/0x590 [ 419.198390][ T4545] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.203484][ T4545] ? mutex_lock+0xa6/0x110 [ 419.208192][ T4545] ? mutex_trylock+0xb0/0xb0 [ 419.212786][ T4545] ? __kasan_check_write+0x14/0x20 [ 419.217902][ T4545] kernfs_fop_write_iter+0x2d0/0x410 [ 419.223348][ T4545] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.228436][ T4545] vfs_write+0xc1c/0xf40 [ 419.232661][ T4545] ? slab_free_freelist_hook+0xcc/0x1a0 [ 419.238283][ T4545] ? kernel_write+0x3c0/0x3c0 [ 419.242955][ T4545] ? do_sys_openat2+0x397/0x470 [ 419.247786][ T4545] ? __kasan_check_read+0x11/0x20 [ 419.252805][ T4545] ? __fdget_pos+0x27e/0x310 [ 419.257394][ T4545] ksys_write+0x198/0x2c0 [ 419.261705][ T4545] ? __ia32_sys_read+0x90/0x90 [ 419.266545][ T4545] ? debug_smp_processor_id+0x17/0x20 [ 419.271993][ T4545] __x64_sys_write+0x7b/0x90 [ 419.276561][ T4545] do_syscall_64+0x34/0x70 [ 419.280977][ T4545] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 419.286933][ T4545] RIP: 0033:0x7fb1345acc09 [ 419.291328][ T4545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 419.311001][ T4545] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.319397][ T4545] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 419.327347][ T4545] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 419.335295][ T4545] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 419.343260][ T4545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 419.351221][ T4545] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000002 [ 419.359455][ T4545] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 419.366595][ T4545] !!!! control_disable control_disable ss name cpu [ 419.373211][ T4545] !!!! control_disable control_disable ss name memory [ 419.380056][ T4545] !!!! control_disable control_disable ss name pids [ 419.386839][ T4545] !!!! control_disable kill_css(ffff88811c9ca800) [ 419.393505][ T4545] !!!! control_disable control_disable ss name cpu [ 419.400039][ T4545] !!!! control_disable control_disable ss name memory [ 419.406879][ T4545] !!!! control_disable control_disable ss name pids [ 419.413531][ T4545] !!!! control_disable kill_css(ffff88811c9c8800) [ 419.420378][ T4545] !!!! control_disable control_disable ss name cpu [ 419.427060][ T4545] !!!! control_disable control_disable ss name memory [ 419.433848][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c9ca800) [ 419.440536][ T4545] !!!! control_disable control_disable ss name pids [ 419.447138][ T4545] !!!! control_disable kill_css(ffff88811c9c9000) [ 419.447278][ C1] !!!! css_killed_ref_fn enqueue(ffff88811c9c8800) [ 419.453670][ T4545] !!!! control_disable control_disable ss name cpu [ 419.466766][ T4545] !!!! control_disable control_disable ss name memory [ 419.473563][ T4545] !!!! control_disable control_disable ss name cpu [ 419.480103][ T4545] !!!! control_disable control_disable ss name memory [ 419.486888][ T4545] !!!! control_disable control_disable ss name cpu [ 419.493389][ T4545] !!!! control_disable control_disable ss name memory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 419.500128][ T4545] !!!! control_disable control_disable ss name cpu [ 419.506638][ T4545] !!!! control_disable control_disable ss name memory [ 419.513413][ T4545] !!!! control_disable control_disable ss name pids [ 419.520029][ T4545] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.520064][ T372] !!!! css_killed_work_fn css_put(ffff88811c9c8800) [ 419.528602][ C0] !!!! css_killed_ref_fn enqueue(ffff88811c9c9000) [ 419.533259][ T372] !!!! css_release enqueue(ffff88811c9c8800) [ 419.546102][ T383] !!!! css_killed_work_fn css_put(ffff88811c9ca800) [ 419.553057][ T383] !!!! css_release enqueue(ffff88811c9ca800) [ 419.559403][ T383] !!!! css_killed_work_fn css_put(ffff88811c9c9000) [ 419.566271][ T383] !!!! css_release enqueue(ffff88811c9c9000) [ 419.572453][ T4552] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 419.572477][ T4543] !!!! css_create css ffff88810a31b800 !!!! [ 419.585339][ T4543] !!!! css_create css ffff88810a319800 !!!! [ 419.591260][ T4543] !!!! css_create css ffff88810a31b000 !!!! [ 419.597355][ T4543] FAULT_INJECTION: forcing a failure. [ 419.597355][ T4543] name failslab, interval 1, probability 0, space 0, times 0 [ 419.610077][ T4543] CPU: 1 PID: 4543 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 419.621882][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.632108][ T4543] Call Trace: [ 419.635466][ T4543] dump_stack_lvl+0x1e2/0x24b [ 419.640234][ T4543] ? bfq_pos_tree_add_move+0x43e/0x43e [ 419.646049][ T4543] dump_stack+0x15/0x17 [ 419.650202][ T4543] should_fail+0x3c0/0x510 [ 419.654651][ T4543] ? __kernfs_new_node+0x99/0x6e0 [ 419.659750][ T4543] __should_failslab+0x9f/0xe0 [ 419.664498][ T4543] should_failslab+0x9/0x20 [ 419.669174][ T4543] __kmalloc_track_caller+0x5f/0x350 [ 419.674439][ T4543] kstrdup_const+0x55/0x90 [ 419.678850][ T4543] __kernfs_new_node+0x99/0x6e0 [ 419.683788][ T4543] ? stack_trace_save+0x1f0/0x1f0 [ 419.688885][ T4543] ? kernfs_new_node+0x170/0x170 [ 419.693819][ T4543] ? ptr_to_hashval+0x60/0x60 [ 419.698473][ T4543] ? snprintf+0xd6/0x120 [ 419.702692][ T4543] kernfs_new_node+0x97/0x170 [ 419.707347][ T4543] __kernfs_create_file+0x4a/0x270 [ 419.712453][ T4543] cgroup_addrm_files+0xab8/0xfe0 [ 419.717475][ T4543] ? cgroup_apply_control_enable+0x734/0x12e0 [ 419.723526][ T4543] ? cgroup_apply_control+0x93/0x710 [ 419.728869][ T4543] ? cgroup_subtree_control_write+0xd19/0x1310 [ 419.735016][ T4543] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 419.741150][ T4543] ? delete_node+0x759/0x7b0 [ 419.745759][ T4543] ? __kasan_check_read+0x11/0x20 [ 419.750782][ T4543] ? delete_node+0x759/0x7b0 [ 419.755453][ T4543] ? __kasan_check_write+0x14/0x20 [ 419.760875][ T4543] ? __radix_tree_replace+0x246/0x2e0 [ 419.766244][ T4543] ? idr_get_next+0x4b0/0x4b0 [ 419.770907][ T4543] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 419.776265][ T4543] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 419.781450][ T4543] css_populate_dir+0x137/0x370 [ 419.786381][ T4543] cgroup_apply_control_enable+0x629/0x12e0 [ 419.792253][ T4543] cgroup_apply_control+0x93/0x710 [ 419.797526][ T4543] ? css_next_child+0x160/0x160 [ 419.802364][ T4543] ? stack_trace_save+0x12d/0x1f0 [ 419.807395][ T4543] ? io_schedule+0x120/0x120 [ 419.812004][ T4543] ? kernfs_fop_write_iter+0x15e/0x410 [ 419.821112][ T4543] ? __kasan_check_write+0x14/0x20 [ 419.826314][ T4543] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 419.831590][ T4543] cgroup_subtree_control_write+0xd19/0x1310 [ 419.837670][ T4543] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.843639][ T4543] ? __kasan_check_write+0x14/0x20 [ 419.848824][ T4543] ? _copy_from_iter+0x3fb/0xd60 [ 419.853752][ T4543] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 419.859809][ T4543] cgroup_file_write+0x28e/0x590 [ 419.864729][ T4543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.869822][ T4543] ? mutex_lock+0xa6/0x110 [ 419.874354][ T4543] ? mutex_trylock+0xb0/0xb0 [ 419.878945][ T4543] ? __kasan_check_write+0x14/0x20 [ 419.884156][ T4543] kernfs_fop_write_iter+0x2d0/0x410 [ 419.889423][ T4543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 419.894519][ T4543] vfs_write+0xc1c/0xf40 [ 419.898830][ T4543] ? slab_free_freelist_hook+0xcc/0x1a0 [ 419.904357][ T4543] ? kernel_write+0x3c0/0x3c0 [ 419.909039][ T4543] ? do_sys_openat2+0x397/0x470 [ 419.913890][ T4543] ? __kasan_check_read+0x11/0x20 [ 419.918900][ T4543] ? __fdget_pos+0x27e/0x310 [ 419.923474][ T4543] ksys_write+0x198/0x2c0 [ 419.927789][ T4543] ? __ia32_sys_read+0x90/0x90 [ 419.932557][ T4543] ? debug_smp_processor_id+0x17/0x20 [ 419.938007][ T4543] __x64_sys_write+0x7b/0x90 [ 419.942600][ T4543] do_syscall_64+0x34/0x70 [ 419.947097][ T4543] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 419.952981][ T4543] RIP: 0033:0x7fb1345acc09 [ 419.957500][ T4543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 419.977309][ T4543] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 419.986482][ T4543] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 419.994440][ T4543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.002482][ T4543] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 420.011074][ T4543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.019114][ T4543] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 420.027281][ T4543] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 420.034323][ T4543] !!!! control_disable control_disable ss name cpu [ 420.040996][ T4543] !!!! control_disable control_disable ss name memory [ 420.047809][ T4543] !!!! control_disable control_disable ss name pids [ 420.054404][ T4543] !!!! control_disable kill_css(ffff88810a31b800) [ 420.060943][ T4543] !!!! control_disable control_disable ss name cpu [ 420.067501][ T4543] !!!! control_disable control_disable ss name memory [ 420.074472][ T4543] !!!! control_disable control_disable ss name pids [ 420.081045][ T4543] !!!! control_disable kill_css(ffff88810a319800) [ 420.087716][ T4543] !!!! control_disable control_disable ss name cpu [ 420.094238][ T4543] !!!! control_disable control_disable ss name memory [ 420.101072][ T4543] !!!! control_disable control_disable ss name pids [ 420.107770][ T4543] !!!! control_disable kill_css(ffff88810a31b000) [ 420.114306][ T4543] !!!! control_disable control_disable ss name cpu [ 420.121443][ T4543] !!!! control_disable control_disable ss name memory [ 420.128410][ T4543] !!!! control_disable control_disable ss name cpu [ 420.134929][ T4543] !!!! control_disable control_disable ss name memory [ 420.141725][ T4543] !!!! control_disable control_disable ss name cpu [ 420.148505][ T4543] !!!! control_disable control_disable ss name memory [ 420.155323][ T4543] !!!! control_disable control_disable ss name cpu [ 420.161904][ T4543] !!!! control_disable control_disable ss name memory [ 420.168689][ T4543] !!!! control_disable control_disable ss name pids [ 420.175435][ T4543] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.182416][ C1] !!!! css_killed_ref_fn enqueue(ffff88810a31b800) [ 420.189076][ T372] !!!! css_killed_work_fn css_put(ffff88810a31b800) [ 420.195795][ C1] !!!! css_killed_ref_fn enqueue(ffff88810a319800) [ 420.195815][ C1] !!!! css_killed_ref_fn enqueue(ffff88810a31b000) [ 420.209120][ T372] !!!! css_release enqueue(ffff88810a31b800) [ 420.215340][ T372] !!!! css_killed_work_fn css_put(ffff88810a319800) [ 420.222413][ T372] !!!! css_release enqueue(ffff88810a319800) [ 420.228705][ T372] !!!! css_killed_work_fn css_put(ffff88810a31b000) [ 420.235569][ T372] !!!! css_release enqueue(ffff88810a31b000) [ 420.241689][ T4553] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.242242][ T4549] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.248580][ T4553] !!!! css_create css ffff88811156f000 !!!! [ 420.260796][ T4553] !!!! css_create css ffff88811156f400 !!!! [ 420.267039][ T4553] !!!! css_create css ffff88811156d400 !!!! [ 420.273022][ T4553] FAULT_INJECTION: forcing a failure. [ 420.273022][ T4553] name failslab, interval 1, probability 0, space 0, times 0 [ 420.286134][ T4553] CPU: 1 PID: 4553 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 420.298711][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.308745][ T4553] Call Trace: [ 420.312015][ T4553] dump_stack_lvl+0x1e2/0x24b [ 420.316668][ T4553] ? bfq_pos_tree_add_move+0x43e/0x43e [ 420.322098][ T4553] dump_stack+0x15/0x17 [ 420.326233][ T4553] should_fail+0x3c0/0x510 [ 420.330638][ T4553] ? __kernfs_new_node+0x99/0x6e0 [ 420.335649][ T4553] __should_failslab+0x9f/0xe0 [ 420.340406][ T4553] should_failslab+0x9/0x20 [ 420.345160][ T4553] __kmalloc_track_caller+0x5f/0x350 [ 420.350419][ T4553] kstrdup_const+0x55/0x90 [ 420.354919][ T4553] __kernfs_new_node+0x99/0x6e0 [ 420.359752][ T4553] ? stack_trace_save+0x1f0/0x1f0 [ 420.364834][ T4553] ? kernfs_new_node+0x170/0x170 [ 420.369827][ T4553] ? ptr_to_hashval+0x60/0x60 [ 420.374562][ T4553] ? snprintf+0xd6/0x120 [ 420.379077][ T4553] kernfs_new_node+0x97/0x170 [ 420.383737][ T4553] __kernfs_create_file+0x4a/0x270 [ 420.388907][ T4553] cgroup_addrm_files+0xab8/0xfe0 [ 420.393906][ T4553] ? cgroup_apply_control_enable+0x734/0x12e0 [ 420.399977][ T4553] ? cgroup_apply_control+0x93/0x710 [ 420.405251][ T4553] ? cgroup_subtree_control_write+0xd19/0x1310 [ 420.411404][ T4553] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 420.417542][ T4553] ? delete_node+0x759/0x7b0 [ 420.422114][ T4553] ? __kasan_check_read+0x11/0x20 [ 420.427211][ T4553] ? delete_node+0x759/0x7b0 [ 420.431800][ T4553] ? __kasan_check_write+0x14/0x20 [ 420.436984][ T4553] ? __radix_tree_replace+0x246/0x2e0 [ 420.442339][ T4553] ? idr_get_next+0x4b0/0x4b0 [ 420.446988][ T4553] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 420.452045][ T4553] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 420.457246][ T4553] css_populate_dir+0x137/0x370 [ 420.462093][ T4553] cgroup_apply_control_enable+0x629/0x12e0 [ 420.468104][ T4553] cgroup_apply_control+0x93/0x710 [ 420.473305][ T4553] ? css_next_child+0x160/0x160 [ 420.478148][ T4553] ? stack_trace_save+0x12d/0x1f0 [ 420.483270][ T4553] ? io_schedule+0x120/0x120 [ 420.488002][ T4553] ? kernfs_fop_write_iter+0x15e/0x410 [ 420.493575][ T4553] ? __kasan_check_write+0x14/0x20 [ 420.498977][ T4553] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 420.504948][ T4553] cgroup_subtree_control_write+0xd19/0x1310 [ 420.512128][ T4553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.518478][ T4553] ? __kasan_check_write+0x14/0x20 [ 420.523988][ T4553] ? _copy_from_iter+0x3fb/0xd60 [ 420.528946][ T4553] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 420.535018][ T4553] cgroup_file_write+0x28e/0x590 [ 420.539955][ T4553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.545183][ T4553] ? mutex_lock+0xa6/0x110 [ 420.549792][ T4553] ? mutex_trylock+0xb0/0xb0 [ 420.554364][ T4553] ? __kasan_check_write+0x14/0x20 [ 420.559452][ T4553] kernfs_fop_write_iter+0x2d0/0x410 [ 420.564749][ T4553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 420.569897][ T4553] vfs_write+0xc1c/0xf40 [ 420.574131][ T4553] ? slab_free_freelist_hook+0xcc/0x1a0 [ 420.579687][ T4553] ? kernel_write+0x3c0/0x3c0 [ 420.584994][ T4553] ? do_sys_openat2+0x397/0x470 [ 420.589952][ T4553] ? __kasan_check_read+0x11/0x20 [ 420.594964][ T4553] ? __fdget_pos+0x27e/0x310 [ 420.599537][ T4553] ksys_write+0x198/0x2c0 [ 420.603952][ T4553] ? __ia32_sys_read+0x90/0x90 [ 420.608709][ T4553] ? debug_smp_processor_id+0x17/0x20 [ 420.614061][ T4553] __x64_sys_write+0x7b/0x90 [ 420.618632][ T4553] do_syscall_64+0x34/0x70 [ 420.623029][ T4553] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 420.628993][ T4553] RIP: 0033:0x7fb1345acc09 [ 420.633465][ T4553] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 420.653869][ T4553] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 420.662355][ T4553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 420.670322][ T4553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 420.678945][ T4553] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 420.687004][ T4553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 420.695285][ T4553] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000002 [ 420.703534][ T4553] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 420.710667][ T4553] !!!! control_disable control_disable ss name cpu [ 420.717669][ T4553] !!!! control_disable control_disable ss name memory [ 420.724722][ T4553] !!!! control_disable control_disable ss name pids [ 420.731313][ T4553] !!!! control_disable kill_css(ffff88811156f000) [ 420.738135][ T4553] !!!! control_disable control_disable ss name cpu [ 420.744896][ T4553] !!!! control_disable control_disable ss name memory [ 420.752014][ T4553] !!!! control_disable control_disable ss name pids [ 420.758888][ T4553] !!!! control_disable kill_css(ffff88811156f400) [ 420.766084][ T4553] !!!! control_disable control_disable ss name cpu [ 420.772690][ T4553] !!!! control_disable control_disable ss name memory [ 420.779818][ T4553] !!!! control_disable control_disable ss name pids [ 420.786482][ C0] !!!! css_killed_ref_fn enqueue(ffff88811156f000) [ 420.786543][ T4553] !!!! control_disable kill_css(ffff88811156d400) [ 420.793729][ C0] !!!! css_killed_ref_fn enqueue(ffff88811156f400) [ 420.799796][ T4553] !!!! control_disable control_disable ss name cpu [ 420.799801][ T4553] !!!! control_disable control_disable ss name memory [ 420.799806][ T4553] !!!! control_disable control_disable ss name cpu [ 420.799820][ T4553] !!!! control_disable control_disable ss name memory [ 420.833472][ T4553] !!!! control_disable control_disable ss name cpu [ 420.839973][ T4553] !!!! control_disable control_disable ss name memory [ 420.846788][ T4553] !!!! control_disable control_disable ss name cpu write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 420.853482][ C1] !!!! css_killed_ref_fn enqueue(ffff88811156d400) [ 420.860197][ T4553] !!!! control_disable control_disable ss name memory [ 420.866974][ T4553] !!!! control_disable control_disable ss name pids [ 420.873845][ T4553] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 420.873888][ T383] !!!! css_killed_work_fn css_put(ffff88811156f000) [ 420.887204][ T383] !!!! css_release enqueue(ffff88811156f000) [ 420.893496][ T383] !!!! css_killed_work_fn css_put(ffff88811156f400) [ 420.900330][ T383] !!!! css_release enqueue(ffff88811156f400) [ 420.906684][ T372] !!!! css_killed_work_fn css_put(ffff88811156d400) [ 420.913493][ T372] !!!! css_release enqueue(ffff88811156d400) [ 420.920044][ T4549] !!!! css_create css ffff888119678000 !!!! [ 420.926331][ T4549] !!!! css_create css ffff888119679c00 !!!! [ 420.933256][ T4549] !!!! css_create css ffff88811967a000 !!!! [ 420.939557][ T4549] FAULT_INJECTION: forcing a failure. [ 420.939557][ T4549] name failslab, interval 1, probability 0, space 0, times 0 [ 420.952294][ T4549] CPU: 0 PID: 4549 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 420.964609][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.974650][ T4549] Call Trace: [ 420.978044][ T4549] dump_stack_lvl+0x1e2/0x24b [ 420.983137][ T4549] ? bfq_pos_tree_add_move+0x43e/0x43e [ 420.988574][ T4549] ? find_next_bit+0xd6/0x120 [ 420.993244][ T4549] ? cpumask_next+0x11/0x30 [ 420.998003][ T4549] dump_stack+0x15/0x17 [ 421.002241][ T4549] should_fail+0x3c0/0x510 [ 421.006651][ T4549] ? percpu_ref_init+0xd0/0x330 [ 421.011570][ T4549] __should_failslab+0x9f/0xe0 [ 421.016316][ T4549] should_failslab+0x9/0x20 [ 421.020805][ T4549] kmem_cache_alloc_trace+0x3a/0x330 [ 421.026423][ T4549] percpu_ref_init+0xd0/0x330 [ 421.031105][ T4549] ? cgroup_setup_root+0xea0/0xea0 [ 421.036199][ T4549] cgroup_apply_control_enable+0x734/0x12e0 [ 421.042079][ T4549] cgroup_apply_control+0x93/0x710 [ 421.047249][ T4549] ? css_next_child+0x160/0x160 [ 421.052317][ T4549] ? stack_trace_save+0x12d/0x1f0 [ 421.057325][ T4549] ? io_schedule+0x120/0x120 [ 421.061905][ T4549] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.067347][ T4549] ? __kasan_check_write+0x14/0x20 [ 421.072451][ T4549] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.077717][ T4549] cgroup_subtree_control_write+0xd19/0x1310 [ 421.083682][ T4549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.089743][ T4549] ? __kasan_check_write+0x14/0x20 [ 421.094836][ T4549] ? _copy_from_iter+0x3fb/0xd60 [ 421.099773][ T4549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.105737][ T4549] cgroup_file_write+0x28e/0x590 [ 421.110872][ T4549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.116163][ T4549] ? mutex_lock+0xa6/0x110 [ 421.120560][ T4549] ? mutex_trylock+0xb0/0xb0 [ 421.125139][ T4549] ? __kasan_check_write+0x14/0x20 [ 421.130246][ T4549] kernfs_fop_write_iter+0x2d0/0x410 [ 421.135542][ T4549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.140634][ T4549] vfs_write+0xc1c/0xf40 [ 421.144870][ T4549] ? slab_free_freelist_hook+0xcc/0x1a0 [ 421.150486][ T4549] ? kernel_write+0x3c0/0x3c0 [ 421.155159][ T4549] ? do_sys_openat2+0x397/0x470 [ 421.159999][ T4549] ? __kasan_check_read+0x11/0x20 [ 421.165105][ T4549] ? __fdget_pos+0x27e/0x310 [ 421.169776][ T4549] ksys_write+0x198/0x2c0 [ 421.174085][ T4549] ? __ia32_sys_read+0x90/0x90 [ 421.178827][ T4549] ? debug_smp_processor_id+0x17/0x20 [ 421.184210][ T4549] __x64_sys_write+0x7b/0x90 [ 421.188810][ T4549] do_syscall_64+0x34/0x70 [ 421.193207][ T4549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 421.199074][ T4549] RIP: 0033:0x7fb1345acc09 [ 421.203466][ T4549] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 421.223134][ T4549] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 421.231522][ T4549] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 421.239475][ T4549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 421.247437][ T4549] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 421.255402][ T4549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 421.263493][ T4549] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000003 [ 421.271627][ T4549] !!!! css_create rcu_enqueue(ffff88811967a000) !!!! [ 421.278516][ T4549] !!!! control_disable control_disable ss name cpu [ 421.285026][ T4549] !!!! control_disable control_disable ss name memory [ 421.292043][ T4549] !!!! control_disable control_disable ss name pids [ 421.298645][ T4549] !!!! control_disable kill_css(ffff888119678000) [ 421.305786][ T4549] !!!! control_disable control_disable ss name cpu [ 421.312852][ T4549] !!!! control_disable control_disable ss name memory [ 421.319772][ T4549] !!!! control_disable control_disable ss name pids [ 421.326375][ T4549] !!!! control_disable kill_css(ffff888119679c00) [ 421.333018][ T4549] !!!! control_disable control_disable ss name cpu [ 421.339497][ T4549] !!!! control_disable control_disable ss name memory [ 421.346279][ T4549] !!!! control_disable control_disable ss name cpu [ 421.352781][ T4549] !!!! control_disable control_disable ss name memory [ 421.360481][ T4549] !!!! control_disable control_disable ss name cpu [ 421.366988][ T4549] !!!! control_disable control_disable ss name memory [ 421.373986][ T4549] !!!! control_disable control_disable ss name cpu [ 421.380480][ T4549] !!!! control_disable control_disable ss name memory [ 421.387255][ T4549] !!!! control_disable control_disable ss name cpu [ 421.393762][ T4549] !!!! control_disable control_disable ss name memory [ 421.400499][ T4549] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 421.407197][ T4549] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.415956][ T4513] ------------[ cut here ]------------ [ 421.421472][ T4513] WARNING: CPU: 1 PID: 4513 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 421.431012][ T4513] Modules linked in: [ 421.434949][ C0] !!!! css_killed_ref_fn enqueue(ffff888119678000) [ 421.434970][ T4513] CPU: 1 PID: 4513 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 421.441576][ C0] !!!! css_killed_ref_fn enqueue(ffff888119679c00) [ 421.453273][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.459918][ T383] !!!! css_killed_work_fn css_put(ffff888119678000) [ 421.469884][ T4513] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 421.476610][ T383] !!!! css_release enqueue(ffff888119678000) [ 421.482173][ T4513] Code: 48 c7 c2 00 06 04 86 e8 c4 f3 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 c5 b8 a2 ff e9 ea fc ff ff [ 421.482180][ T4513] RSP: 0018:ffffc90000b77ba0 EFLAGS: 00010293 [ 421.482192][ T4513] RAX: ffffffff81b68bea RBX: 00000000ffffffff RCX: ffff88810aa62780 [ 421.482205][ T4513] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 421.488370][ T383] !!!! css_killed_work_fn css_put(ffff888119679c00) [ 421.507851][ T4513] RBP: ffffc90000b77c70 R08: ffffffff81b688d8 R09: 0000000000000003 [ 421.507865][ T4513] R10: fffff5200016ef65 R11: 1ffff9200016ef64 R12: dffffc0000000000 [ 421.514017][ T383] !!!! css_release enqueue(ffff888119679c00) [ 421.521875][ T4513] R13: ffff88810ed6d180 R14: ffffc90000b77c00 R15: 1ffff9200016ef7c [ 421.521885][ T4513] FS: 0000555555c36300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 421.521892][ T4513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 421.521899][ T4513] CR2: 0000555555c40638 CR3: 000000010da8c000 CR4: 00000000003506a0 [ 421.521915][ T4513] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 421.530006][ T4554] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.536571][ T4513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 421.536575][ T4513] Call Trace: [ 421.536599][ T4513] ? io_schedule+0x120/0x120 [ 421.544599][ T4551] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 421.552116][ T4547] !!!! css_create css ffff88811967b800 !!!! [ 421.552599][ T4513] ? vfs_submount+0xb0/0xb0 [ 421.558676][ T4547] !!!! css_create css ffff888119679800 !!!! [ 421.566585][ T4513] ? shrink_dentry_list+0x4ec/0x500 [ 421.566596][ T4513] namespace_unlock+0x448/0x4f0 [ 421.566611][ T4513] ? umount_tree+0xf50/0xf50 [ 421.591894][ T4547] !!!! css_create css ffff88810ca61400 !!!! [ 421.598161][ T4513] ? __detach_mounts+0x670/0x670 [ 421.598179][ T4513] ? selinux_umount+0xf0/0x130 [ 421.618684][ T4547] FAULT_INJECTION: forcing a failure. [ 421.618684][ T4547] name failslab, interval 1, probability 0, space 0, times 0 [ 421.621281][ T4513] path_umount+0xf03/0xfb0 [ 421.621297][ T4513] ? namespace_unlock+0x4f0/0x4f0 [ 421.636574][ T4547] CPU: 0 PID: 4547 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 421.638338][ T4513] ? user_path_at_empty+0x40/0x50 [ 421.644189][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.644193][ T4547] Call Trace: [ 421.644208][ T4547] dump_stack_lvl+0x1e2/0x24b [ 421.644223][ T4547] ? bfq_pos_tree_add_move+0x43e/0x43e [ 421.649397][ T4513] __x64_sys_umount+0x122/0x170 [ 421.654301][ T4547] ? find_next_bit+0xd6/0x120 [ 421.654309][ T4547] ? cpumask_next+0x11/0x30 [ 421.654323][ T4547] dump_stack+0x15/0x17 [ 421.654337][ T4547] should_fail+0x3c0/0x510 [ 421.658989][ T4513] ? path_umount+0xfb0/0xfb0 [ 421.664846][ T4547] ? percpu_ref_init+0xd0/0x330 [ 421.664856][ T4547] __should_failslab+0x9f/0xe0 [ 421.664865][ T4547] should_failslab+0x9/0x20 [ 421.664875][ T4547] kmem_cache_alloc_trace+0x3a/0x330 [ 421.664889][ T4547] percpu_ref_init+0xd0/0x330 [ 421.669810][ T4513] ? debug_smp_processor_id+0x17/0x20 [ 421.674646][ T4547] ? cgroup_setup_root+0xea0/0xea0 [ 421.674661][ T4547] cgroup_apply_control_enable+0x734/0x12e0 [ 421.674672][ T4547] cgroup_apply_control+0x93/0x710 [ 421.674691][ T4547] ? css_next_child+0x160/0x160 [ 421.687294][ T4513] do_syscall_64+0x34/0x70 [ 421.691683][ T4547] ? stack_trace_save+0x12d/0x1f0 [ 421.696732][ T4513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 421.708377][ T4547] ? io_schedule+0x120/0x120 [ 421.708387][ T4547] ? kernfs_fop_write_iter+0x15e/0x410 [ 421.708404][ T4547] ? __kasan_check_write+0x14/0x20 [ 421.713440][ T4513] RIP: 0033:0x7fb1345adfb7 [ 421.723475][ T4547] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 421.723486][ T4547] cgroup_subtree_control_write+0xd19/0x1310 [ 421.723496][ T4547] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.723505][ T4547] ? __kasan_check_write+0x14/0x20 [ 421.723525][ T4547] ? _copy_from_iter+0x3fb/0xd60 [ 421.726875][ T4513] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 421.731567][ T4547] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 421.737101][ T4513] RSP: 002b:00007ffdfb64e998 EFLAGS: 00000202 [ 421.741919][ T4547] cgroup_file_write+0x28e/0x590 [ 421.746581][ T4513] ORIG_RAX: 00000000000000a6 [ 421.751066][ T4547] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.755330][ T4513] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1345adfb7 [ 421.759718][ T4547] ? mutex_lock+0xa6/0x110 [ 421.764303][ T4513] RDX: 00007ffdfb64ea59 RSI: 000000000000000a RDI: 00007ffdfb64ea50 [ 421.769205][ T4547] ? mutex_trylock+0xb0/0xb0 [ 421.774131][ T4513] RBP: 00007ffdfb64ea50 R08: 00000000ffffffff R09: 00007ffdfb64e830 [ 421.778697][ T4547] ? __kasan_check_write+0x14/0x20 [ 421.784135][ T4513] R10: 0000555555c386a3 R11: 0000000000000202 R12: 00007ffdfb64fad0 [ 421.788814][ T4547] kernfs_fop_write_iter+0x2d0/0x410 [ 421.794176][ T4513] R13: 0000555555c38600 R14: 00007ffdfb64e9c0 R15: 0000000000000004 [ 421.799273][ T4547] ? cgroup_seqfile_stop+0xc0/0xc0 [ 421.805236][ T4513] ---[ end trace 1d6a8eed5230f9dc ]--- [ 421.810309][ T4547] vfs_write+0xc1c/0xf40 [ 422.000479][ T4547] ? slab_free_freelist_hook+0xcc/0x1a0 [ 422.006179][ T4547] ? kernel_write+0x3c0/0x3c0 [ 422.010843][ T4547] ? do_sys_openat2+0x397/0x470 [ 422.015933][ T4547] ? __kasan_check_read+0x11/0x20 [ 422.020980][ T4547] ? __fdget_pos+0x27e/0x310 [ 422.025547][ T4547] ksys_write+0x198/0x2c0 [ 422.029879][ T4547] ? __ia32_sys_read+0x90/0x90 [ 422.034678][ T4547] ? debug_smp_processor_id+0x17/0x20 [ 422.040034][ T4547] __x64_sys_write+0x7b/0x90 [ 422.044601][ T4547] do_syscall_64+0x34/0x70 [ 422.049012][ T4547] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.054924][ T4547] RIP: 0033:0x7fb1345acc09 [ 422.059327][ T4547] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 422.079122][ T4547] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 422.087530][ T4547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 422.095680][ T4547] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 422.104364][ T4547] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 422.112787][ T4547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 422.120931][ T4547] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000001 [ 422.130064][ T4547] !!!! css_create rcu_enqueue(ffff88810ca61400) !!!! [ 422.137203][ T4513] ------------[ cut here ]------------ [ 422.139155][ T4547] !!!! control_disable control_disable ss name cpu [ 422.143149][ T4513] WARNING: CPU: 1 PID: 4513 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 422.149866][ T4547] !!!! control_disable control_disable ss name memory [ 422.158784][ T4513] Modules linked in: [ 422.158800][ T4513] CPU: 1 PID: 4513 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 422.158813][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.165988][ T4547] !!!! control_disable control_disable ss name pids [ 422.169490][ T4513] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 422.169500][ T4513] Code: 48 c7 c2 00 06 04 86 e8 c4 f3 8e ff e9 8b fc ff ff e8 da 2d b6 ff e9 81 fc ff ff e8 d0 2d b6 ff e9 77 fc ff ff e8 c6 2d b6 ff <0f> 0b e9 f4 fc ff ff e8 ba 2d b6 ff e8 c5 b8 a2 ff e9 ea fc ff ff [ 422.169507][ T4513] RSP: 0018:ffffc90000b77ca0 EFLAGS: 00010293 [ 422.169517][ T4513] RAX: ffffffff81b68bea RBX: 00000000fffffffe RCX: ffff88810aa62780 [ 422.169530][ T4513] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 422.181556][ T4547] !!!! control_disable kill_css(ffff88811967b800) [ 422.191403][ T4513] RBP: ffffc90000b77d70 R08: ffffffff81b688d8 R09: 0000000000000003 [ 422.191411][ T4513] R10: fffff5200016ef85 R11: 1ffff9200016ef84 R12: dffffc0000000000 [ 422.191425][ T4513] R13: ffff88810ed6d180 R14: ffffc90000b77d00 R15: 1ffff9200016ef9c [ 422.198335][ T4547] !!!! control_disable control_disable ss name cpu [ 422.203671][ T4513] FS: 0000555555c36300(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 422.223775][ T4547] !!!! control_disable control_disable ss name memory [ 422.229531][ T4513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 422.229539][ T4513] CR2: 0000555555c40638 CR3: 000000010da8c000 CR4: 00000000003506a0 [ 422.229548][ T4513] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 422.229562][ T4513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 422.237983][ T4547] !!!! control_disable control_disable ss name pids [ 422.245686][ T4513] Call Trace: [ 422.245710][ T4513] ? lockref_get_or_lock+0x340/0x340 [ 422.252535][ T4547] !!!! control_disable kill_css(ffff888119679800) [ 422.260604][ T4513] ? umount_tree+0xf50/0xf50 [ 422.260620][ T4513] ? vfs_submount+0xb0/0xb0 [ 422.268920][ T4547] !!!! control_disable control_disable ss name cpu [ 422.276711][ T4513] ? dput+0x2b6/0x320 [ 422.276728][ T4513] path_umount+0x1fe/0xfb0 [ 422.283477][ T4547] !!!! control_disable control_disable ss name memory [ 422.292314][ T4513] ? namespace_unlock+0x4f0/0x4f0 [ 422.299206][ T4547] !!!! control_disable control_disable ss name cpu [ 422.305623][ T4513] ? user_path_at_empty+0x40/0x50 [ 422.305640][ T4513] __x64_sys_umount+0x122/0x170 [ 422.313851][ T4547] !!!! control_disable control_disable ss name memory [ 422.321578][ T4513] ? path_umount+0xfb0/0xfb0 [ 422.321595][ T4513] ? debug_smp_processor_id+0x17/0x20 [ 422.329816][ T4547] !!!! control_disable control_disable ss name cpu [ 422.336198][ T4513] do_syscall_64+0x34/0x70 [ 422.336215][ T4513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 422.339700][ T4547] !!!! control_disable control_disable ss name memory [ 422.344785][ T4513] RIP: 0033:0x7fb1345adfb7 [ 422.344796][ T4513] Code: 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 422.344802][ T4513] RSP: 002b:00007ffdfb64e998 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 422.344821][ T4513] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1345adfb7 [ 422.351562][ T4547] !!!! control_disable control_disable ss name cpu [ 422.355900][ T4513] RDX: 00007ffdfb64ea59 RSI: 000000000000000a RDI: 00007ffdfb64ea50 [ 422.355907][ T4513] RBP: 00007ffdfb64ea50 R08: 00000000ffffffff R09: 00007ffdfb64e830 [ 422.355921][ T4513] R10: 0000555555c386a3 R11: 0000000000000202 R12: 00007ffdfb64fad0 [ 422.360688][ T4547] !!!! control_disable control_disable ss name memory [ 422.366894][ T4513] R13: 0000555555c38600 R14: 00007ffdfb64e9c0 R15: 0000000000000004 [ 422.366907][ T4513] ---[ end trace 1d6a8eed5230f9dd ]--- [ 422.371168][ T4547] !!!! control_disable control_disable ss name cpu [ 422.542316][ T4547] !!!! control_disable control_disable ss name memory [ 422.549060][ T4547] !!!! control_disable control_disable ss name pids [ 422.555748][ T4547] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 422.582125][ C0] !!!! css_killed_ref_fn enqueue(ffff88811967b800) [ 422.588843][ C0] !!!! css_killed_ref_fn enqueue(ffff888119679800) [ 422.595718][ T383] !!!! css_killed_work_fn css_put(ffff88811967b800) [ 422.602477][ T383] !!!! css_release enqueue(ffff88811967b800) [ 422.608576][ T383] !!!! css_killed_work_fn css_put(ffff888119679800) [ 422.615534][ T383] !!!! css_release enqueue(ffff888119679800) [ 422.621663][ T4554] !!!! css_create css ffff88810cbad400 !!!! [ 422.627942][ T4554] !!!! css_create css ffff88810cbae400 !!!! [ 422.634543][ T4554] !!!! css_create css ffff88810dbbc000 !!!! [ 422.640801][ T4554] FAULT_INJECTION: forcing a failure. [ 422.640801][ T4554] name failslab, interval 1, probability 0, space 0, times 0 [ 422.653704][ T4554] CPU: 1 PID: 4554 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 422.666044][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.676214][ T4554] Call Trace: [ 422.680197][ T4554] dump_stack_lvl+0x1e2/0x24b [ 422.686098][ T4554] ? bfq_pos_tree_add_move+0x43e/0x43e [ 422.691917][ T4554] ? serial8250_console_write+0xae0/0xe60 [ 422.697981][ T4554] ? record_print_text+0x266/0x420 [ 422.703192][ T4554] dump_stack+0x15/0x17 [ 422.707509][ T4554] should_fail+0x3c0/0x510 [ 422.711991][ T4554] ? __kernfs_new_node+0x99/0x6e0 [ 422.717014][ T4554] __should_failslab+0x9f/0xe0 [ 422.721766][ T4554] should_failslab+0x9/0x20 [ 422.726472][ T4554] __kmalloc_track_caller+0x5f/0x350 [ 422.731744][ T4554] kstrdup_const+0x55/0x90 [ 422.736231][ T4554] __kernfs_new_node+0x99/0x6e0 [ 422.741428][ T4554] ? stack_trace_save+0x1f0/0x1f0 [ 422.746896][ T4554] ? kernfs_new_node+0x170/0x170 [ 422.751946][ T4554] ? ptr_to_hashval+0x60/0x60 [ 422.756608][ T4554] ? snprintf+0xd6/0x120 [ 422.760832][ T4554] kernfs_new_node+0x97/0x170 [ 422.765487][ T4554] __kernfs_create_file+0x4a/0x270 [ 422.770774][ T4554] cgroup_addrm_files+0xab8/0xfe0 [ 422.775805][ T4554] ? cgroup_apply_control_enable+0x734/0x12e0 [ 422.781848][ T4554] ? cgroup_apply_control+0x93/0x710 [ 422.787107][ T4554] ? cgroup_subtree_control_write+0xd19/0x1310 [ 422.793558][ T4554] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 422.799835][ T4554] ? delete_node+0x759/0x7b0 [ 422.804597][ T4554] ? __kasan_check_read+0x11/0x20 [ 422.809730][ T4554] ? delete_node+0x759/0x7b0 [ 422.814324][ T4554] ? __kasan_check_write+0x14/0x20 [ 422.819548][ T4554] ? __radix_tree_replace+0x246/0x2e0 [ 422.824997][ T4554] ? idr_get_next+0x4b0/0x4b0 [ 422.829654][ T4554] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 422.835472][ T4554] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 422.840670][ T4554] css_populate_dir+0x137/0x370 [ 422.845588][ T4554] cgroup_apply_control_enable+0x629/0x12e0 [ 422.851613][ T4554] cgroup_apply_control+0x93/0x710 [ 422.856713][ T4554] ? css_next_child+0x160/0x160 [ 422.861651][ T4554] ? stack_trace_save+0x12d/0x1f0 [ 422.866938][ T4554] ? io_schedule+0x120/0x120 [ 422.871555][ T4554] ? kernfs_fop_write_iter+0x15e/0x410 [ 422.877080][ T4554] ? __kasan_check_write+0x14/0x20 [ 422.882298][ T4554] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 422.887659][ T4554] cgroup_subtree_control_write+0xd19/0x1310 [ 422.893621][ T4554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.900185][ T4554] ? __kasan_check_write+0x14/0x20 [ 422.905268][ T4554] ? _copy_from_iter+0x3fb/0xd60 [ 422.910366][ T4554] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 422.916317][ T4554] cgroup_file_write+0x28e/0x590 [ 422.921340][ T4554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.926442][ T4554] ? mutex_lock+0xa6/0x110 [ 422.930835][ T4554] ? mutex_trylock+0xb0/0xb0 [ 422.935413][ T4554] ? __kasan_check_write+0x14/0x20 [ 422.940610][ T4554] kernfs_fop_write_iter+0x2d0/0x410 [ 422.945897][ T4554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 422.951009][ T4554] vfs_write+0xc1c/0xf40 [ 422.955251][ T4554] ? slab_free_freelist_hook+0xcc/0x1a0 [ 422.960785][ T4554] ? kernel_write+0x3c0/0x3c0 [ 422.965438][ T4554] ? do_sys_openat2+0x397/0x470 [ 422.970264][ T4554] ? __kasan_check_read+0x11/0x20 [ 422.975264][ T4554] ? __fdget_pos+0x27e/0x310 [ 422.979828][ T4554] ksys_write+0x198/0x2c0 [ 422.984564][ T4554] ? __ia32_sys_read+0x90/0x90 [ 422.989323][ T4554] ? debug_smp_processor_id+0x17/0x20 [ 422.994667][ T4554] __x64_sys_write+0x7b/0x90 [ 422.999235][ T4554] do_syscall_64+0x34/0x70 [ 423.003772][ T4554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.009744][ T4554] RIP: 0033:0x7fb1345acc09 [ 423.014133][ T4554] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 423.033971][ T4554] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.042447][ T4554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 423.050899][ T4554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 423.059035][ T4554] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 423.066985][ T4554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 423.075045][ T4554] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000003 [ 423.083987][ T4554] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 423.091304][ T4554] !!!! control_disable control_disable ss name cpu [ 423.097918][ T4554] !!!! control_disable control_disable ss name memory [ 423.105169][ T4554] !!!! control_disable control_disable ss name pids [ 423.111987][ T4554] !!!! control_disable kill_css(ffff88810cbad400) [ 423.121064][ T4554] !!!! control_disable control_disable ss name cpu [ 423.128514][ T4554] !!!! control_disable control_disable ss name memory [ 423.135751][ T4554] !!!! control_disable control_disable ss name pids [ 423.142651][ T4554] !!!! control_disable kill_css(ffff88810cbae400) [ 423.149260][ T4554] !!!! control_disable control_disable ss name cpu [ 423.155878][ T4554] !!!! control_disable control_disable ss name memory [ 423.155950][ C0] !!!! css_killed_ref_fn enqueue(ffff88810cbad400) [ 423.169580][ T4554] !!!! control_disable control_disable ss name pids [ 423.176311][ T4554] !!!! control_disable kill_css(ffff88810dbbc000) [ 423.183533][ T4554] !!!! control_disable control_disable ss name cpu [ 423.190103][ T4554] !!!! control_disable control_disable ss name memory [ 423.196913][ C1] !!!! css_killed_ref_fn enqueue(ffff88810cbae400) [ 423.203631][ T4554] !!!! control_disable control_disable ss name cpu [ 423.210149][ T4554] !!!! control_disable control_disable ss name memory [ 423.216992][ T4554] !!!! control_disable control_disable ss name cpu [ 423.223827][ C1] !!!! css_killed_ref_fn enqueue(ffff88810dbbc000) write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 423.230441][ T4554] !!!! control_disable control_disable ss name memory [ 423.237334][ T4554] !!!! control_disable control_disable ss name cpu [ 423.243921][ T4554] !!!! control_disable control_disable ss name memory [ 423.250672][ T4554] !!!! control_disable control_disable ss name pids [ 423.257292][ T4554] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.257733][ T383] !!!! css_killed_work_fn css_put(ffff88810cbad400) [ 423.270707][ T383] !!!! css_release enqueue(ffff88810cbad400) [ 423.276866][ T372] !!!! css_killed_work_fn css_put(ffff88810cbae400) [ 423.283647][ T372] !!!! css_release enqueue(ffff88810cbae400) [ 423.290824][ T372] !!!! css_killed_work_fn css_put(ffff88810dbbc000) [ 423.297802][ T372] !!!! css_release enqueue(ffff88810dbbc000) [ 423.304211][ T4546] !!!! css_create css ffff8881163af000 !!!! [ 423.310209][ T4546] !!!! css_create css ffff888119b46c00 !!!! [ 423.316316][ T4546] !!!! css_create css ffff888119b47800 !!!! [ 423.322294][ T4546] FAULT_INJECTION: forcing a failure. [ 423.322294][ T4546] name failslab, interval 1, probability 0, space 0, times 0 [ 423.335022][ T4546] CPU: 0 PID: 4546 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 423.346713][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.356813][ T4546] Call Trace: [ 423.360111][ T4546] dump_stack_lvl+0x1e2/0x24b [ 423.364786][ T4546] ? bfq_pos_tree_add_move+0x43e/0x43e [ 423.370446][ T4546] ? find_next_bit+0xd6/0x120 [ 423.375122][ T4546] ? cpumask_next+0x11/0x30 [ 423.379615][ T4546] dump_stack+0x15/0x17 [ 423.383752][ T4546] should_fail+0x3c0/0x510 [ 423.388200][ T4546] ? percpu_ref_init+0xd0/0x330 [ 423.393050][ T4546] __should_failslab+0x9f/0xe0 [ 423.397792][ T4546] should_failslab+0x9/0x20 [ 423.402404][ T4546] kmem_cache_alloc_trace+0x3a/0x330 [ 423.407797][ T4546] percpu_ref_init+0xd0/0x330 [ 423.412467][ T4546] ? cgroup_setup_root+0xea0/0xea0 [ 423.417569][ T4546] cgroup_apply_control_enable+0x734/0x12e0 [ 423.423466][ T4546] cgroup_apply_control+0x93/0x710 [ 423.428555][ T4546] ? css_next_child+0x160/0x160 [ 423.433406][ T4546] ? stack_trace_save+0x12d/0x1f0 [ 423.438425][ T4546] ? io_schedule+0x120/0x120 [ 423.443023][ T4546] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.448481][ T4546] ? __kasan_check_write+0x14/0x20 [ 423.453575][ T4546] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 423.458840][ T4546] cgroup_subtree_control_write+0xd19/0x1310 [ 423.464806][ T4546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.470771][ T4546] ? __kasan_check_write+0x14/0x20 [ 423.475887][ T4546] ? _copy_from_iter+0x3fb/0xd60 [ 423.480907][ T4546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 423.486880][ T4546] cgroup_file_write+0x28e/0x590 [ 423.491798][ T4546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.496891][ T4546] ? mutex_lock+0xa6/0x110 [ 423.501313][ T4546] ? mutex_trylock+0xb0/0xb0 [ 423.505895][ T4546] ? __kasan_check_write+0x14/0x20 [ 423.510985][ T4546] kernfs_fop_write_iter+0x2d0/0x410 [ 423.516340][ T4546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 423.521429][ T4546] vfs_write+0xc1c/0xf40 [ 423.525662][ T4546] ? slab_free_freelist_hook+0xcc/0x1a0 [ 423.531194][ T4546] ? kernel_write+0x3c0/0x3c0 [ 423.535867][ T4546] ? do_sys_openat2+0x397/0x470 [ 423.540710][ T4546] ? __kasan_check_read+0x11/0x20 [ 423.545913][ T4546] ? __fdget_pos+0x27e/0x310 [ 423.550490][ T4546] ksys_write+0x198/0x2c0 [ 423.554811][ T4546] ? __ia32_sys_read+0x90/0x90 [ 423.559597][ T4546] ? debug_smp_processor_id+0x17/0x20 [ 423.564967][ T4546] __x64_sys_write+0x7b/0x90 [ 423.569647][ T4546] do_syscall_64+0x34/0x70 [ 423.574050][ T4546] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 423.579922][ T4546] RIP: 0033:0x7fb1345acc09 [ 423.584662][ T4546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 423.604399][ T4546] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 423.612797][ T4546] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 423.620750][ T4546] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 423.628711][ T4546] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 423.636694][ T4546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 423.644758][ T4546] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000003 [ 423.652862][ T4546] !!!! css_create rcu_enqueue(ffff888119b47800) !!!! [ 423.659541][ T4546] !!!! control_disable control_disable ss name cpu [ 423.666070][ T4546] !!!! control_disable control_disable ss name memory [ 423.672868][ T4546] !!!! control_disable control_disable ss name pids [ 423.679447][ T4546] !!!! control_disable kill_css(ffff8881163af000) [ 423.686155][ T4546] !!!! control_disable control_disable ss name cpu [ 423.692711][ T4546] !!!! control_disable control_disable ss name memory [ 423.699466][ T4546] !!!! control_disable control_disable ss name pids [ 423.706102][ T4546] !!!! control_disable kill_css(ffff888119b46c00) [ 423.712717][ T4546] !!!! control_disable control_disable ss name cpu [ 423.719312][ T4546] !!!! control_disable control_disable ss name memory [ 423.726142][ T4546] !!!! control_disable control_disable ss name cpu [ 423.732749][ T4546] !!!! control_disable control_disable ss name memory [ 423.739501][ T4546] !!!! control_disable control_disable ss name cpu [ 423.746117][ C0] !!!! css_killed_ref_fn enqueue(ffff8881163af000) [ 423.752738][ T4546] !!!! control_disable control_disable ss name memory [ 423.759499][ T4546] !!!! control_disable control_disable ss name cpu [ 423.766041][ T4546] !!!! control_disable control_disable ss name memory [ 423.772817][ C0] !!!! css_killed_ref_fn enqueue(ffff888119b46c00) [ 423.779537][ T4546] !!!! control_disable control_disable ss name cpu [ 423.786048][ T4546] !!!! control_disable control_disable ss name memory [ 423.792822][ T4546] !!!! control_disable control_disable ss name pids [ 423.799579][ T4546] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.806359][ T383] !!!! css_killed_work_fn css_put(ffff8881163af000) [ 423.813114][ T383] !!!! css_release enqueue(ffff8881163af000) [ 423.819409][ T383] !!!! css_killed_work_fn css_put(ffff888119b46c00) [ 423.826381][ T383] !!!! css_release enqueue(ffff888119b46c00) [ 423.832792][ T4555] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.832963][ T4558] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 423.839438][ T4555] !!!! css_create css ffff888119b47c00 !!!! [ 423.851864][ T4555] !!!! css_create css ffff888119b45400 !!!! [ 423.857956][ T4555] !!!! css_create css ffff888119b46400 !!!! [ 423.863995][ T4555] FAULT_INJECTION: forcing a failure. [ 423.863995][ T4555] name failslab, interval 1, probability 0, space 0, times 0 [ 423.876916][ T4555] CPU: 0 PID: 4555 Comm: syz-executor103 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 423.888784][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.898842][ T4555] Call Trace: [ 423.902125][ T4555] dump_stack_lvl+0x1e2/0x24b [ 423.906782][ T4555] ? bfq_pos_tree_add_move+0x43e/0x43e [ 423.912218][ T4555] ? find_next_bit+0xd6/0x120 [ 423.916875][ T4555] ? cpumask_next+0x11/0x30 [ 423.921367][ T4555] dump_stack+0x15/0x17 [ 423.925536][ T4555] should_fail+0x3c0/0x510 [ 423.929931][ T4555] ? percpu_ref_init+0xd0/0x330 [ 423.934760][ T4555] __should_failslab+0x9f/0xe0 [ 423.939497][ T4555] should_failslab+0x9/0x20 [ 423.944165][ T4555] kmem_cache_alloc_trace+0x3a/0x330 [ 423.949442][ T4555] percpu_ref_init+0xd0/0x330 [ 423.954106][ T4555] ? cgroup_setup_root+0xea0/0xea0 [ 423.959402][ T4555] cgroup_apply_control_enable+0x734/0x12e0 [ 423.965275][ T4555] cgroup_apply_control+0x93/0x710 [ 423.970364][ T4555] ? css_next_child+0x160/0x160 [ 423.975198][ T4555] ? stack_trace_save+0x12d/0x1f0 [ 423.980199][ T4555] ? io_schedule+0x120/0x120 [ 423.985202][ T4555] ? kernfs_fop_write_iter+0x15e/0x410 [ 423.990647][ T4555] ? __kasan_check_write+0x14/0x20 [ 423.995742][ T4555] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 424.001021][ T4555] cgroup_subtree_control_write+0xd19/0x1310 [ 424.006985][ T4555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.012971][ T4555] ? __kasan_check_write+0x14/0x20 [ 424.018073][ T4555] ? _copy_from_iter+0x3fb/0xd60 [ 424.023005][ T4555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 424.028972][ T4555] cgroup_file_write+0x28e/0x590 [ 424.033927][ T4555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.039026][ T4555] ? mutex_lock+0xa6/0x110 [ 424.043444][ T4555] ? mutex_trylock+0xb0/0xb0 [ 424.048153][ T4555] ? __kasan_check_write+0x14/0x20 [ 424.053285][ T4555] kernfs_fop_write_iter+0x2d0/0x410 [ 424.058678][ T4555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 424.063790][ T4555] vfs_write+0xc1c/0xf40 [ 424.068045][ T4555] ? slab_free_freelist_hook+0xcc/0x1a0 [ 424.073572][ T4555] ? kernel_write+0x3c0/0x3c0 [ 424.078264][ T4555] ? do_sys_openat2+0x397/0x470 [ 424.083421][ T4555] ? __kasan_check_read+0x11/0x20 [ 424.088446][ T4555] ? __fdget_pos+0x27e/0x310 [ 424.093022][ T4555] ksys_write+0x198/0x2c0 [ 424.097353][ T4555] ? __ia32_sys_read+0x90/0x90 [ 424.102117][ T4555] ? debug_smp_processor_id+0x17/0x20 [ 424.107558][ T4555] __x64_sys_write+0x7b/0x90 [ 424.112167][ T4555] do_syscall_64+0x34/0x70 [ 424.116569][ T4555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 424.122489][ T4555] RIP: 0033:0x7fb1345acc09 [ 424.126903][ T4555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 424.147008][ T4555] RSP: 002b:00007ffdfb64fa88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 424.155408][ T4555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1345acc09 [ 424.163499][ T4555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 424.171637][ T4555] RBP: 00007ffdfb64fab0 R08: 0000000000000002 R09: 00007ffdfb64fac0 [ 424.179614][ T4555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 424.187613][ T4555] R13: 00007ffdfb64fad0 R14: 00007ffdfb64fb10 R15: 0000000000000004 [ 424.196431][ T4555] !!!! css_create rcu_enqueue(ffff888119b46400) !!!! [ 424.203271][ T4555] !!!! control_disable control_disable ss name cpu [ 424.209814][ T4555] !!!! control_disable control_disable ss name memory [ 424.216693][ T4555] !!!! control_disable control_disable ss name pids [ 424.223346][ T4555] !!!! control_disable kill_css(ffff888119b47c00) [ 424.229904][ T4555] !!!! control_disable control_disable ss name cpu [ 424.236459][ T4555] !!!! control_disable control_disable ss name memory [ 424.243277][ T4555] !!!! control_disable control_disable ss name pids [ 424.249937][ T4555] !!!! control_disable kill_css(ffff888119b45400) [ 424.256560][ T4555] !!!! control_disable control_disable ss name cpu [ 424.263198][ C1] !!!! css_killed_ref_fn enqueue(ffff888119b47c00) [ 424.269836][ T4555] !!!! control_disable control_disable ss name memory [ 424.276999][ T4555] !!!! control_disable control_disable ss name cpu [ 424.283729][ T4555] !!!! control_disable control_disable ss name memory [ 424.290574][ T4555] !!!! control_disable control_disable ss name cpu [ 424.297089][ T4555] !!!! control_disable control_disable ss name memory [ 424.303883][ T4555] !!!! control_disable control_disable ss name cpu [ 424.310361][ T4555] !!!! control_disable control_disable ss name memory [ 424.317223][ T4555] !!!! control_disable control_disable ss name cpu [ 424.324142][ T4555] !!!! control_disable control_disable ss name memory [ 424.330992][ T4555] !!!! control_disable control_disable ss name pids write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory [ 424.337728][ T4555] !!!! cgroup_kn_unlock css_put(ffffffff85fabeb0) [ 424.344430][ T372] !!!! css_killed_work_fn css_put(ffff888119b47c00) [ 424.351634][ T372] !!!! css_release enqueue(ffff888119b47c00) [ 424.357956][ C1] !!!! css_killed_ref_fn enqueue(ffff888119b45400) [ 424.357973][ C1] !!!! css_release enqueue(ffff888119b45400) [ 424.357990][ C1] list_add corruption. prev->next should be next (ffff8881f735c060), but was ffff888119b45470. (prev=ffff888119b45470). [ 424.358073][ C1] ------------[ cut here ]------------ [ 424.358078][ C1] kernel BUG at lib/list_debug.c:28! [ 424.358093][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 424.358104][ C1] CPU: 1 PID: 372 Comm: kworker/1:3 Tainted: G W 5.10.110-syzkaller-00174-g5772a6660fb5 #0 [ 424.358110][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.358125][ C1] Workqueue: cgroup_destroy css_killed_work_fn [ 424.358143][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 424.358164][ C1] Code: 48 c7 c7 c0 df 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 80 e0 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 [ 424.358175][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 424.358194][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 8db17ca183c11400 [ 424.358206][ C1] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 424.358217][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: 0000000000000003 [ 424.358229][ C1] R10: fffff5200002c0e5 R11: 1ffff9200002c0e4 R12: ffff888119b45470 [ 424.358241][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888119b45470 [ 424.358253][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 424.358265][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 424.358278][ C1] CR2: 0000555555c362c0 CR3: 000000010879b000 CR4: 00000000003506a0 [ 424.358288][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 424.358296][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 424.358299][ C1] Call Trace: [ 424.358304][ C1] [ 424.358315][ C1] insert_work+0x107/0x330 [ 424.358328][ C1] __queue_work+0x971/0xd30 [ 424.358340][ C1] queue_work_on+0xf2/0x150 [ 424.358352][ C1] ? wq_worker_last_func+0x50/0x50 [ 424.358362][ C1] ? __alloc_reserved_percpu+0x30/0x30 [ 424.358372][ C1] css_release+0xc0/0xd0 [ 424.358382][ C1] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 424.358392][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 424.358400][ C1] rcu_do_batch+0x4f8/0xbc0 [ 424.358410][ C1] ? local_bh_enable+0x20/0x20 [ 424.358417][ C1] ? note_gp_changes+0x158/0x260 [ 424.358427][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 424.358438][ C1] ? sched_clock_cpu+0x1b/0x3b0 [ 424.358448][ C1] rcu_core+0x59b/0xe30 [ 424.358461][ C1] ? irq_exit_rcu+0x9/0x10 [ 424.358471][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 424.358483][ C1] ? asm_common_interrupt+0x1e/0x40 [ 424.358495][ C1] rcu_core_si+0x9/0x10 [ 424.358505][ C1] __do_softirq+0x27e/0x596 [ 424.358517][ C1] asm_call_irq_on_stack+0xf/0x20 [ 424.358521][ C1] [ 424.358532][ C1] do_softirq_own_stack+0x60/0x80 [ 424.358543][ C1] __irq_exit_rcu+0x128/0x150 [ 424.358551][ C1] irq_exit_rcu+0x9/0x10 [ 424.358560][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 424.358570][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 424.358582][ C1] RIP: 0010:console_unlock+0xb5c/0xf20 [ 424.358593][ C1] Code: 85 db 4c 8d b4 24 60 01 00 00 0f 85 82 03 00 00 e8 49 6e 00 00 48 8b 44 24 30 48 89 84 24 90 00 00 00 ff b4 24 90 00 00 00 9d <48> 8b 44 24 38 42 80 3c 38 00 74 08 4c 89 f7 e8 f0 d1 52 00 48 c7 [ 424.358600][ C1] RSP: 0018:ffffc90000bc77c0 EFLAGS: 00000246 [ 424.358612][ C1] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff88811d3be2c0 [ 424.358618][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 424.358626][ C1] RBP: ffffc90000bc7a50 R08: ffffffff8153ae3b R09: 0000000000000003 [ 424.358633][ C1] R10: fffff52000178ee9 R11: 1ffff92000178ee8 R12: ffffc90000bc79c0 [ 424.358640][ C1] R13: 1ffffffff0c3add1 R14: ffffc90000bc7920 R15: dffffc0000000000 [ 424.358651][ C1] ? console_unlock+0xb1b/0xf20 [ 424.358661][ C1] ? memcpy+0x56/0x70 [ 424.358672][ C1] ? __kasan_check_write+0x14/0x20 [ 424.358682][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 424.358692][ C1] ? vprintk_emit+0x640/0x640 [ 424.358701][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 424.358712][ C1] ? vsnprintf+0x1fa/0x1cd0 [ 424.358721][ C1] ? memcpy+0x56/0x70 [ 424.358737][ C1] ? vsnprintf+0x1bfd/0x1cd0 [ 424.358750][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 424.358764][ C1] ? resume_console+0x50/0x50 [ 424.358775][ C1] ? _raw_spin_lock+0xa3/0x1b0 [ 424.358795][ C1] vprintk_emit+0x44b/0x640 [ 424.358809][ C1] ? preempt_schedule_common+0xcb/0x100 [ 424.358823][ C1] ? log_output+0x4d0/0x4d0 [ 424.358836][ C1] ? preempt_schedule+0xd9/0xe0 [ 424.358849][ C1] ? schedule_preempt_disabled+0x20/0x20 [ 424.358863][ C1] ? autoremove_wake_function+0x37/0x120 [ 424.358876][ C1] vprintk_default+0x26/0x30 [ 424.358888][ C1] vprintk_func+0x19d/0x1e0 [ 424.358901][ C1] printk+0xcf/0x10f [ 424.358915][ C1] ? css_killed_work_fn+0x2b8/0x3e0 [ 424.358925][ C1] ? panic+0x7d7/0x7d7 [ 424.358937][ C1] css_release+0x2d/0xd0 [ 424.358947][ C1] css_killed_work_fn+0x3b0/0x3e0 [ 424.358957][ C1] process_one_work+0x726/0xc10 [ 424.358969][ C1] worker_thread+0xb27/0x1550 [ 424.358982][ C1] ? __kthread_parkme+0xba/0x1d0 [ 424.358993][ C1] kthread+0x349/0x3d0 [ 424.359001][ C1] ? worker_clr_flags+0x180/0x180 [ 424.359011][ C1] ? kthread_blkcg+0xd0/0xd0 [ 424.359020][ C1] ret_from_fork+0x1f/0x30 [ 424.359026][ C1] Modules linked in: [ 424.359038][ C1] ---[ end trace 1d6a8eed5230f9de ]--- [ 424.359050][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 424.359060][ C1] Code: 48 c7 c7 c0 df 43 85 4c 89 e6 4c 89 f1 31 c0 e8 8d 10 40 02 0f 0b 48 c7 c7 80 e0 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 [ 424.359067][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 424.359079][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 8db17ca183c11400 [ 424.359087][ C1] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 424.359095][ C1] RBP: ffffc90000160a28 R08: ffffffff8153b2f8 R09: 0000000000000003 [ 424.359104][ C1] R10: fffff5200002c0e5 R11: 1ffff9200002c0e4 R12: ffff888119b45470 [ 424.359112][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888119b45470 [ 424.359122][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 424.359130][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 424.359138][ C1] CR2: 0000555555c362c0 CR3: 000000010879b000 CR4: 00000000003506a0 [ 424.359148][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 424.359156][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 424.359179][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 424.359384][ C1] Kernel Offset: disabled [ 425.029463][ C1] Rebooting in 86400 seconds..