Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 51.229408] kauditd_printk_skb: 4 callbacks suppressed [ 51.229425] audit: type=1400 audit(1546208463.824:35): avc: denied { map } for pid=8375 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 51.272523] sshd (8373) used greatest stack depth: 15720 bytes left Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 188.979027] audit: type=1400 audit(1546208601.574:36): avc: denied { map } for pid=8387 comm="syz-executor241" path="/root/syz-executor241998684" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 192.005492] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 192.014164] CPU: 1 PID: 82 Comm: kworker/u4:3 Not tainted 4.20.0+ #176 [ 192.020841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.030220] Workqueue: writeback wb_workfn (flush-8:0) [ 192.035512] Call Trace: [ 192.038114] dump_stack+0x1d3/0x2c6 [ 192.041784] ? dump_stack_print_info.cold.1+0x20/0x20 [ 192.047006] panic+0x2ad/0x55f [ 192.050210] ? add_taint.cold.5+0x16/0x16 [ 192.054395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.059951] ? check_preemption_disabled+0x48/0x280 [ 192.064980] ? check_preemption_disabled+0x3a/0x280 [ 192.070014] __schedule+0x1ec6/0x1ed0 [ 192.073831] ? __sched_text_start+0x8/0x8 [ 192.077991] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.082769] ? lockdep_hardirqs_on+0x421/0x5c0 [ 192.087388] ? retint_kernel+0x2d/0x2d [ 192.091291] ? trace_hardirqs_on_caller+0xc0/0x310 [ 192.096243] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.101020] ? trace_hardirqs_off+0x310/0x310 [ 192.105548] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 192.110332] ? preempt_schedule+0x4d/0x60 [ 192.114520] preempt_schedule_common+0x1f/0xe0 [ 192.119124] preempt_schedule+0x4d/0x60 [ 192.123120] ___preempt_schedule+0x16/0x18 [ 192.127373] _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 192.132321] debug_check_no_obj_freed+0x305/0x58d [ 192.137197] ? free_obj_work+0xb80/0xb80 [ 192.141282] free_unref_page_list+0x3c4/0x11e0 [ 192.145888] ? page_frag_free+0x2c0/0x2c0 [ 192.150051] ? lockdep_hardirqs_on+0x421/0x5c0 [ 192.154658] ? trace_hardirqs_on+0xbd/0x310 [ 192.158996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.164546] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 192.169580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.175048] ? check_preemption_disabled+0x48/0x280 [ 192.180078] ? __this_cpu_preempt_check+0x1c/0x20 [ 192.184941] ? uncharge_batch+0x451/0x760 [ 192.189109] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 192.194140] ? mem_cgroup_uncharge+0x100/0x100 [ 192.198754] ? arch_local_save_flags+0x40/0x40 [ 192.203361] shrink_page_list+0x6b62/0xc2e0 [ 192.207714] ? page_evictable+0x540/0x540 [ 192.211886] ? trace_hardirqs_on+0xbd/0x310 [ 192.216221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.221778] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 192.226808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.232278] ? check_preemption_disabled+0x48/0x280 [ 192.237301] ? __this_cpu_preempt_check+0x1c/0x20 [ 192.242162] ? uncharge_batch+0x451/0x760 [ 192.246330] ? mem_cgroup_uncharge+0x100/0x100 [ 192.250928] ? arch_local_save_flags+0x40/0x40 [ 192.255525] ? shrink_page_list+0x11d5/0xc2e0 [ 192.260039] ? shrink_page_list+0x6eb2/0xc2e0 [ 192.264569] ? page_evictable+0x540/0x540 [ 192.268788] ? rb_erase_cached+0xc78/0x3720 [ 192.273133] ? rb_next+0x140/0x140 [ 192.276702] ? print_usage_bug+0xc0/0xc0 [ 192.280803] ? print_usage_bug+0xc0/0xc0 [ 192.284889] ? check_preemption_disabled+0x48/0x280 [ 192.289949] ? update_cfs_rq_load_avg.part.75+0x253/0x2e0 [ 192.295507] ? tg_unthrottle_up+0x220/0x220 [ 192.299848] ? graph_lock+0x270/0x270 [ 192.303663] ? update_load_avg+0x13b8/0x2470 [ 192.308100] ? __update_load_avg_blocked_se+0x690/0x690 [ 192.313484] ? __update_load_avg_se+0xae0/0xae0 [ 192.318168] ? __lock_is_held+0xb5/0x140 [ 192.322240] ? graph_lock+0x270/0x270 [ 192.326063] ? update_load_avg+0x387/0x2470 [ 192.330396] ? __update_load_avg_blocked_se+0x690/0x690 [ 192.335793] ? attach_entity_load_avg+0x860/0x860 [ 192.340665] ? update_load_avg+0x387/0x2470 [ 192.345003] ? find_held_lock+0x36/0x1c0 [ 192.349081] ? attach_entity_load_avg+0x860/0x860 [ 192.353946] ? lock_downgrade+0x900/0x900 [ 192.358107] ? check_preemption_disabled+0x48/0x280 [ 192.363149] ? rb_erase+0x3710/0x3710 [ 192.366961] ? lock_pin_lock+0x350/0x350 [ 192.371031] ? rcu_read_unlock_special+0x370/0x370 [ 192.375986] ? update_curr+0x4ec/0xbe0 [ 192.379890] ? __account_cfs_rq_runtime+0x790/0x790 [ 192.384925] ? check_usage+0x1aa/0x790 [ 192.388830] ? __cpu_to_node+0x7d/0xa0 [ 192.392732] ? graph_lock+0x270/0x270 [ 192.396565] ? print_usage_bug+0xc0/0xc0 [ 192.400646] ? graph_lock+0x270/0x270 [ 192.404460] ? check_usage_forwards+0x3d0/0x3d0 [ 192.409136] ? __bfs+0x385/0x7a0 [ 192.412504] ? print_usage_bug+0xc0/0xc0 [ 192.416570] ? graph_lock+0x270/0x270 [ 192.420368] ? __lock_is_held+0xb5/0x140 [ 192.424431] ? __lock_acquire+0x62f/0x4c20 [ 192.428684] ? __lock_acquire+0x62f/0x4c20 [ 192.432928] ? mark_held_locks+0x130/0x130 [ 192.437157] ? mark_held_locks+0x130/0x130 [ 192.441384] ? __enqueue_entity+0x10d/0x1f0 [ 192.445701] ? pick_next_task_fair+0xa0e/0x1ba0 [ 192.450485] ? rcu_note_context_switch+0x12af/0x2150 [ 192.455592] ? print_usage_bug+0xc0/0xc0 [ 192.459666] ? print_usage_bug+0xc0/0xc0 [ 192.463720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.469260] ? check_preemption_disabled+0x48/0x280 [ 192.474267] ? graph_lock+0x270/0x270 [ 192.478071] ? find_held_lock+0x36/0x1c0 [ 192.482148] ? __lock_acquire+0x62f/0x4c20 [ 192.486400] ? find_held_lock+0x36/0x1c0 [ 192.490483] ? page_vma_mapped_walk+0x2ec/0x27f0 [ 192.495243] ? lock_downgrade+0x900/0x900 [ 192.499381] ? compat_start_thread+0x80/0x80 [ 192.503781] ? kasan_check_read+0x11/0x20 [ 192.507936] ? do_raw_spin_unlock+0xa7/0x330 [ 192.512334] ? do_raw_spin_trylock+0x270/0x270 [ 192.516920] ? __ia32_sys_msync+0x510/0x510 [ 192.521258] ? rb_erase_cached+0xc78/0x3720 [ 192.525597] ? _raw_spin_unlock+0x2c/0x50 [ 192.529775] ? page_vma_mapped_walk+0x2f1/0x27f0 [ 192.534545] ? __switch_to_asm+0x34/0x70 [ 192.538611] ? __switch_to_asm+0x40/0x70 [ 192.542698] ? __switch_to_asm+0x40/0x70 [ 192.546774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.552299] ? __isolate_lru_page+0xd05/0x1540 [ 192.556870] ? graph_lock+0x270/0x270 [ 192.560658] ? graph_lock+0x270/0x270 [ 192.564456] ? mark_held_locks+0x130/0x130 [ 192.568684] ? find_held_lock+0x36/0x1c0 [ 192.572738] ? lock_downgrade+0x900/0x900 [ 192.576889] ? page_referenced_one+0x5aa/0x840 [ 192.581461] ? print_usage_bug+0xc0/0xc0 [ 192.585509] ? up_read+0x225/0x2c0 [ 192.589036] ? up_read_non_owner+0x100/0x100 [ 192.593442] ? trace_hardirqs_off+0xb8/0x310 [ 192.597854] ? trace_hardirqs_on+0x310/0x310 [ 192.602286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.607841] ? check_preemption_disabled+0x48/0x280 [ 192.612853] ? count_memcg_events+0x1ac/0x2a0 [ 192.617343] ? move_active_pages_to_lru+0x1461/0x19b0 [ 192.622525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 192.628062] ? __isolate_lru_page+0xd05/0x1540 [ 192.632658] ? putback_lru_page+0x280/0x280 [ 192.637009] ? mark_held_locks+0x130/0x130 [ 192.641258] ? mark_held_locks+0xc7/0x130 [ 192.645404] ? free_unref_page_list+0xc0c/0x11e0 [ 192.650150] ? free_unref_page_list+0xc0c/0x11e0 [ 192.654905] ? trace_hardirqs_on+0xbd/0x310 [ 192.659227] ? shrink_active_list+0x14f4/0x1f00 [ 192.663909] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.669358] ? graph_lock+0x270/0x270 [ 192.673151] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 192.678678] ? unlock_page+0x2c2/0x4c0 [ 192.682559] ? graph_lock+0x270/0x270 [ 192.686355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.691881] ? check_preemption_disabled+0x48/0x280 [ 192.696894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.702460] ? check_preemption_disabled+0x48/0x280 [ 192.707490] ? __lock_is_held+0xb5/0x140 [ 192.711568] ? __this_cpu_preempt_check+0x1c/0x20 [ 192.716429] ? __mod_zone_page_state+0x8a/0xf0 [ 192.721017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.726554] ? isolate_lru_pages.isra.56+0xc7d/0x19e0 [ 192.731762] ? __isolate_lru_page+0x1540/0x1540 [ 192.736435] ? mark_held_locks+0x130/0x130 [ 192.740686] ? print_usage_bug+0xc0/0xc0 [ 192.744768] ? mark_held_locks+0x130/0x130 [ 192.749015] ? trace_hardirqs_on+0xbd/0x310 [ 192.753342] ? shrink_inactive_list+0xa4a/0x1c60 [ 192.758110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.763568] ? __lock_acquire+0x62f/0x4c20 [ 192.767803] ? graph_lock+0x270/0x270 [ 192.771612] ? graph_lock+0x270/0x270 [ 192.775430] ? print_usage_bug+0xc0/0xc0 [ 192.779503] ? mark_held_locks+0x130/0x130 [ 192.783740] ? find_held_lock+0x36/0x1c0 [ 192.787806] ? mark_held_locks+0xc7/0x130 [ 192.791945] ? _raw_spin_unlock_irq+0x27/0x80 [ 192.796436] ? _raw_spin_unlock_irq+0x27/0x80 [ 192.800929] ? lockdep_hardirqs_on+0x421/0x5c0 [ 192.805497] ? trace_hardirqs_on+0xbd/0x310 [ 192.809807] ? kasan_check_read+0x11/0x20 [ 192.813944] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.819392] ? trace_hardirqs_on+0x310/0x310 [ 192.823812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.829361] ? check_preemption_disabled+0x48/0x280 [ 192.834371] shrink_inactive_list+0x77b/0x1c60 [ 192.838945] ? putback_inactive_pages+0x27e0/0x27e0 [ 192.843958] ? lruvec_lru_size+0x2ef/0x540 [ 192.848184] ? blk_lld_busy+0xa0/0xa0 [ 192.851972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 192.857250] ? rcu_read_unlock_special+0x370/0x370 [ 192.862218] shrink_node_memcg+0x7a8/0x19a0 [ 192.866571] ? rcu_read_unlock+0x33/0x60 [ 192.870652] ? shrink_active_list+0x1f00/0x1f00 [ 192.875315] ? shrink_slab+0xfa/0x8c0 [ 192.879119] ? mem_cgroup_from_id+0x30/0x30 [ 192.883799] ? unregister_memcg_shrinker.isra.43+0x50/0x50 [ 192.889421] ? free_unref_page_list+0x11e0/0x11e0 [ 192.894273] ? print_usage_bug+0xc0/0xc0 [ 192.898325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 192.903858] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 192.909040] shrink_node+0x3e1/0x17f0 [ 192.912843] ? shrink_node_memcg+0x19a0/0x19a0 [ 192.917414] ? __delayacct_freepages_start+0x41/0x80 [ 192.922511] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.927974] ? kvm_clock_read+0x18/0x30 [ 192.931954] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 192.936961] ? ktime_get+0x2c1/0x400 [ 192.940666] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 192.945158] ? print_usage_bug+0xc0/0xc0 [ 192.949210] do_try_to_free_pages+0x3df/0x12a0 [ 192.953781] ? graph_lock+0x270/0x270 [ 192.957581] ? shrink_node+0x17f0/0x17f0 [ 192.961636] ? __lock_is_held+0xb5/0x140 [ 192.965692] try_to_free_pages+0x4d0/0xb90 [ 192.969933] ? do_try_to_free_pages+0x12a0/0x12a0 [ 192.974797] ? kasan_check_read+0x11/0x20 [ 192.978956] ? psi_memstall_enter+0x24f/0x2c0 [ 192.983443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 192.988906] ? lock_repin_lock+0x430/0x430 [ 192.993150] ? _raw_spin_unlock_irq+0x60/0x80 [ 192.997654] ? psi_memstall_enter+0x24f/0x2c0 [ 193.002151] ? psi_memstall_tick+0x230/0x230 [ 193.006569] __alloc_pages_slowpath+0xa5a/0x2db0 [ 193.011326] ? __alloc_pages_slowpath+0x25f2/0x2db0 [ 193.016338] ? warn_alloc+0x120/0x120 [ 193.020128] ? ret_from_fork+0x3a/0x50 [ 193.024005] ? warn_alloc+0x120/0x120 [ 193.027798] ? warn_alloc+0x120/0x120 [ 193.031592] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 193.036607] ? print_usage_bug+0xc0/0xc0 [ 193.040682] ? unwind_dump+0x190/0x190 [ 193.044579] ? graph_lock+0x270/0x270 [ 193.048375] ? add_lock_to_list.isra.26+0x1ec/0x4b0 [ 193.053411] ? __lock_is_held+0xb5/0x140 [ 193.057476] ? graph_lock+0x270/0x270 [ 193.061277] ? ___might_sleep+0x1ed/0x300 [ 193.065427] ? arch_local_save_flags+0x40/0x40 [ 193.070020] ? check_preemption_disabled+0x48/0x280 [ 193.075047] ? __might_sleep+0x95/0x190 [ 193.079026] __alloc_pages_nodemask+0xa89/0xde0 [ 193.083700] ? __alloc_pages_slowpath+0x2db0/0x2db0 [ 193.088730] ? mark_held_locks+0xc7/0x130 [ 193.093152] ? cache_grow_begin+0x5a3/0x8c0 [ 193.097476] ? lockdep_hardirqs_on+0x421/0x5c0 [ 193.102067] ? trace_hardirqs_on+0xbd/0x310 [ 193.106388] ? fallback_alloc+0x203/0x2e0 [ 193.110539] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 193.115991] ? ____cache_alloc_node+0x16b/0x1e0 [ 193.120671] ? lock_downgrade+0x900/0x900 [ 193.124830] ? graph_lock+0x270/0x270 [ 193.128642] cache_grow_begin+0x91/0x8c0 [ 193.132702] ? do_raw_spin_unlock+0xa7/0x330 [ 193.137100] fallback_alloc+0x203/0x2e0 [ 193.141076] ____cache_alloc_node+0x1c7/0x1e0 [ 193.145586] kmem_cache_alloc+0x1f6/0x730 [ 193.149754] ? page_mapping+0x5a2/0xa50 [ 193.153732] ? mempool_free+0x370/0x370 [ 193.157701] mempool_alloc_slab+0x44/0x60 [ 193.161850] mempool_alloc+0x193/0x4a0 [ 193.165752] ? mempool_destroy+0x30/0x30 [ 193.169812] ? lock_downgrade+0x900/0x900 [ 193.173960] ? check_preemption_disabled+0x48/0x280 [ 193.178969] ? kasan_check_read+0x11/0x20 [ 193.183105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 193.188387] ? check_preemption_disabled+0x48/0x280 [ 193.193407] ? rcu_read_unlock_special+0x370/0x370 [ 193.198346] bio_alloc_bioset+0x39c/0x6f0 [ 193.202517] ? clear_page_dirty_for_io+0x58d/0x1900 [ 193.207538] ? bvec_alloc+0x2d0/0x2d0 [ 193.211375] ext4_bio_write_page+0x114f/0x1a37 [ 193.216777] ? ext4_io_submit_init+0x90/0x90 [ 193.221195] ? graph_lock+0x270/0x270 [ 193.224999] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 193.230877] ? __lock_acquire+0x62f/0x4c20 [ 193.235121] ? __lock_is_held+0xb5/0x140 [ 193.239190] mpage_submit_page+0x15e/0x270 [ 193.243417] mpage_process_page_bufs+0x50a/0x600 [ 193.248171] mpage_prepare_extent_to_map+0xea5/0x19c0 [ 193.253375] ? ext4_journalled_zero_new_buffers+0x570/0x570 [ 193.259090] ? save_stack+0x43/0xd0 [ 193.262724] ? kasan_slab_alloc+0x12/0x20 [ 193.266879] ? kmem_cache_alloc+0x130/0x730 [ 193.271196] ? ext4_init_io_end+0x96/0x220 [ 193.275418] ? ext4_writepages+0x13d2/0x4170 [ 193.279820] ? do_writepages+0x9a/0x1a0 [ 193.283890] ? __writeback_single_inode+0x20a/0x1660 [ 193.288984] ? writeback_sb_inodes+0x71f/0x1210 [ 193.293649] ? wb_writeback+0xa73/0xfc0 [ 193.297619] ? wb_workfn+0xee9/0x1790 [ 193.301440] ? process_one_work+0xc90/0x1c40 [ 193.305850] ? worker_thread+0x17f/0x1390 [ 193.309998] ? kthread+0x35a/0x440 [ 193.313540] ? ret_from_fork+0x3a/0x50 [ 193.317432] ? find_held_lock+0x36/0x1c0 [ 193.321506] ? graph_lock+0x270/0x270 [ 193.325312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.330857] ? check_preemption_disabled+0x48/0x280 [ 193.335879] ? ext4_init_io_end+0x96/0x220 [ 193.340106] ? __lock_is_held+0xb5/0x140 [ 193.344163] ? ext4_init_io_end+0x96/0x220 [ 193.348389] ? rcu_read_lock_sched_held+0x108/0x120 [ 193.353392] ? kmem_cache_alloc+0x33f/0x730 [ 193.357714] ? ext4_release_io_end+0x1b1/0x250 [ 193.362311] ? kmem_cache_free+0x24f/0x290 [ 193.366548] ? ext4_init_io_end+0x19f/0x220 [ 193.370968] ? ext4_end_io_rsv_work+0x920/0x920 [ 193.375646] ? __lock_is_held+0xb5/0x140 [ 193.379705] ? ext4_put_io_end+0x97/0x2e0 [ 193.383842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.389376] ext4_writepages+0x1405/0x4170 [ 193.393608] ? __lock_acquire+0x62f/0x4c20 [ 193.397851] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 193.402595] ? graph_lock+0x270/0x270 [ 193.406384] ? print_usage_bug+0xc0/0xc0 [ 193.410475] ? __lock_acquire+0x62f/0x4c20 [ 193.414715] ? hctx_unlock+0xde/0x150 [ 193.418520] ? print_usage_bug+0xc0/0xc0 [ 193.422582] ? __lock_acquire+0x62f/0x4c20 [ 193.426820] ? mark_held_locks+0x130/0x130 [ 193.431079] ? mark_held_locks+0x130/0x130 [ 193.435312] ? graph_lock+0x270/0x270 [ 193.439115] ? __writeback_single_inode+0x6d8/0x1660 [ 193.444267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.449799] ? check_preemption_disabled+0x48/0x280 [ 193.454812] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 193.459562] do_writepages+0x9a/0x1a0 [ 193.463360] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 193.468105] ? do_writepages+0x9a/0x1a0 [ 193.472083] __writeback_single_inode+0x20a/0x1660 [ 193.477015] ? __lock_acquire+0x62f/0x4c20 [ 193.481270] ? __mark_inode_dirty+0x1510/0x1510 [ 193.485938] ? mark_held_locks+0x130/0x130 [ 193.490161] ? find_held_lock+0x36/0x1c0 [ 193.494229] ? find_held_lock+0x36/0x1c0 [ 193.498288] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 193.503557] ? lock_downgrade+0x900/0x900 [ 193.507703] ? find_held_lock+0x13f/0x1c0 [ 193.511856] ? kasan_check_read+0x11/0x20 [ 193.515995] ? do_raw_spin_unlock+0xa7/0x330 [ 193.520413] ? do_raw_spin_trylock+0x270/0x270 [ 193.524995] ? __lock_is_held+0xb5/0x140 [ 193.529074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.534618] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 193.539905] ? __writeback_single_inode+0x1660/0x1660 [ 193.545106] writeback_sb_inodes+0x71f/0x1210 [ 193.549617] ? wbc_detach_inode+0x960/0x960 [ 193.553954] ? lock_release+0xa00/0xa00 [ 193.557926] ? down_read_trylock+0xda/0x140 [ 193.562235] ? trylock_super+0x22/0x110 [ 193.566198] ? downgrade_write+0x270/0x270 [ 193.570427] ? up_read_non_owner+0x100/0x100 [ 193.574828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.580359] __writeback_inodes_wb+0x1b9/0x340 [ 193.584933] ? writeback_sb_inodes+0x1210/0x1210 [ 193.589689] ? __lock_is_held+0xb5/0x140 [ 193.593763] wb_writeback+0xa73/0xfc0 [ 193.597570] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 193.603294] ? widen_string+0xe0/0x2e0 [ 193.607195] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 193.612396] ? print_usage_bug+0xc0/0xc0 [ 193.616474] ? string+0x225/0x2d0 [ 193.619928] ? widen_string+0x2e0/0x2e0 [ 193.623911] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 193.628927] ? find_next_bit+0x104/0x130 [ 193.632991] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 193.638003] ? find_next_bit+0x104/0x130 [ 193.642073] ? cpumask_next+0x41/0x50 [ 193.645877] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 193.650892] ? get_nr_dirty_inodes+0xd6/0x130 [ 193.655388] ? __local_bh_enable_ip+0x160/0x260 [ 193.660062] ? get_nr_dirty_pages+0x17c/0x1f0 [ 193.664556] ? _raw_spin_unlock_bh+0x30/0x40 [ 193.668984] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 193.673999] ? wb_split_bdi_pages.isra.29+0x134/0x1b0 [ 193.679189] ? wb_wait_for_completion+0x2d0/0x2d0 [ 193.684016] ? wb_workfn+0x521/0x1790 [ 193.687806] ? __local_bh_enable_ip+0x160/0x260 [ 193.692461] wb_workfn+0xee9/0x1790 [ 193.696078] ? __lock_acquire+0x62f/0x4c20 [ 193.700324] ? inode_wait_for_writeback+0x40/0x40 [ 193.705167] ? mark_held_locks+0x130/0x130 [ 193.709383] ? graph_lock+0x270/0x270 [ 193.713191] ? mark_held_locks+0x130/0x130 [ 193.717419] ? lock_is_held_type+0x210/0x210 [ 193.721821] ? graph_lock+0x270/0x270 [ 193.725615] ? debug_object_deactivate+0x2eb/0x450 [ 193.730538] ? lock_downgrade+0x900/0x900 [ 193.734673] ? find_held_lock+0x36/0x1c0 [ 193.738733] ? graph_lock+0x270/0x270 [ 193.742558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 193.748097] ? check_preemption_disabled+0x48/0x280 [ 193.753133] ? __lock_is_held+0xb5/0x140 [ 193.757216] process_one_work+0xc90/0x1c40 [ 193.761459] ? mark_held_locks+0x130/0x130 [ 193.765727] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 193.770420] ? preempt_notifier_register+0x200/0x200 [ 193.775535] ? __switch_to_asm+0x34/0x70 [ 193.779581] ? __switch_to_asm+0x34/0x70 [ 193.783636] ? __switch_to_asm+0x40/0x70 [ 193.787689] ? __switch_to_asm+0x34/0x70 [ 193.791737] ? __switch_to_asm+0x40/0x70 [ 193.795793] ? __switch_to_asm+0x34/0x70 [ 193.799850] ? __switch_to_asm+0x34/0x70 [ 193.803912] ? __switch_to_asm+0x40/0x70 [ 193.807970] ? __switch_to_asm+0x34/0x70 [ 193.812074] ? __switch_to_asm+0x40/0x70 [ 193.816118] ? __switch_to_asm+0x34/0x70 [ 193.820174] ? __switch_to_asm+0x40/0x70 [ 193.824226] ? __switch_to_asm+0x34/0x70 [ 193.828283] ? __sched_text_start+0x8/0x8 [ 193.832416] ? graph_lock+0x270/0x270 [ 193.836220] ? lock_downgrade+0x900/0x900 [ 193.840376] ? trace_hardirqs_off+0xb8/0x310 [ 193.844776] ? kasan_check_read+0x11/0x20 [ 193.848925] ? do_raw_spin_unlock+0xa7/0x330 [ 193.853335] ? find_held_lock+0x36/0x1c0 [ 193.857415] ? lock_acquire+0x1ed/0x520 [ 193.861403] ? worker_thread+0x3e0/0x1390 [ 193.865556] ? kasan_check_read+0x11/0x20 [ 193.869706] ? do_raw_spin_lock+0x14f/0x350 [ 193.874043] ? __schedule+0x1ed0/0x1ed0 [ 193.878022] ? rwlock_bug.part.2+0x90/0x90 [ 193.882256] ? trace_hardirqs_on+0x310/0x310 [ 193.886663] worker_thread+0x17f/0x1390 [ 193.890640] ? preempt_notifier_register+0x200/0x200 [ 193.895778] ? process_one_work+0x1c40/0x1c40 [ 193.900262] ? __schedule+0x874/0x1ed0 [ 193.904138] ? kmem_cache_alloc_trace+0x154/0x750 [ 193.908980] ? __sched_text_start+0x8/0x8 [ 193.913129] ? __kthread_parkme+0xce/0x1a0 [ 193.917369] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 193.922500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 193.927597] ? lockdep_hardirqs_on+0x421/0x5c0 [ 193.932180] ? trace_hardirqs_on+0xbd/0x310 [ 193.936505] ? kasan_check_read+0x11/0x20 [ 193.940742] ? __kthread_parkme+0xce/0x1a0 [ 193.944980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 193.950449] ? __schedule+0x1ed0/0x1ed0 [ 193.954419] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 193.959537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 193.965226] ? __kthread_parkme+0xfb/0x1a0 [ 193.969472] ? process_one_work+0x1c40/0x1c40 [ 193.973967] kthread+0x35a/0x440 [ 193.977343] ? kthread_bind+0x40/0x40 [ 193.981162] ret_from_fork+0x3a/0x50 [ 193.985993] Kernel Offset: disabled [ 193.989675] Rebooting in 86400 seconds..