[ 45.370883] audit: type=1800 audit(1545720262.593:30): pid=8144 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 50.231481] kauditd_printk_skb: 4 callbacks suppressed [ 50.231496] audit: type=1400 audit(1545720267.483:35): avc: denied { map } for pid=8319 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 Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 845.764108] audit: type=1400 audit(1545721063.013:36): avc: denied { map } for pid=8331 comm="syz-executor632" path="/root/syz-executor632761035" 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 [ 848.063923] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 848.072067] CPU: 1 PID: 3052 Comm: kworker/u4:4 Not tainted 4.20.0 #167 [ 848.078823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 848.088263] Workqueue: writeback wb_workfn (flush-8:0) [ 848.093579] Call Trace: [ 848.096234] dump_stack+0x1d3/0x2c6 [ 848.099881] ? dump_stack_print_info.cold.1+0x20/0x20 [ 848.105132] panic+0x2ad/0x55c [ 848.108339] ? add_taint.cold.5+0x16/0x16 [ 848.112555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.118132] ? check_preemption_disabled+0x48/0x280 [ 848.123164] ? check_preemption_disabled+0x3a/0x280 [ 848.128224] __schedule+0x1ec6/0x1ed0 [ 848.132076] ? graph_lock+0x270/0x270 [ 848.135893] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 848.140931] ? __sched_text_start+0x8/0x8 [ 848.145101] ? graph_lock+0x270/0x270 [ 848.148991] ? mark_held_locks+0xc7/0x130 [ 848.153171] ? preempt_schedule_irq+0x5e/0x110 [ 848.157774] ? preempt_schedule_irq+0x5e/0x110 [ 848.162383] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.167061] ? trace_hardirqs_on+0xbd/0x310 [ 848.171447] ? retint_kernel+0x1b/0x2d [ 848.175351] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 848.180828] preempt_schedule_irq+0x87/0x110 [ 848.185251] retint_kernel+0x1b/0x2d [ 848.189052] RIP: 0010:page_mapping+0x56c/0xa50 [ 848.193646] Code: de e8 08 89 d3 ff 48 85 db 0f 85 93 00 00 00 e8 ca 87 d3 ff 49 8d 7c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 30 04 00 00 4d 8b 64 24 18 31 ff 4c 89 e3 83 e3 [ 848.212556] RSP: 0018:ffff8881ca3711b8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 848.220269] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81aad0c8 [ 848.227525] RDX: 1ffffd4000d712db RSI: ffffffff81aad0d6 RDI: ffffea0006b896d8 [ 848.234785] RBP: ffff8881ca371390 R08: ffff8881ca36a200 R09: fffff94000d712de [ 848.242049] R10: fffff94000d712de R11: ffffea0006b896f3 R12: ffffea0006b896c0 [ 848.249339] R13: 1ffff1103946e239 R14: ffffea0006b896c0 R15: dead000000000100 [ 848.256631] ? page_mapping+0x548/0xa50 [ 848.260605] ? page_mapping+0x556/0xa50 [ 848.264587] ? page_mapping+0x556/0xa50 [ 848.268571] ? __page_mapcount+0x580/0x580 [ 848.272871] ? page_mkclean_one+0x7d0/0x7d0 [ 848.277185] ? page_mkclean_one+0x7d0/0x7d0 [ 848.281507] ? trace_hardirqs_on+0xbd/0x310 [ 848.285883] ? __remove_mapping+0x932/0x1af0 [ 848.290311] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 848.295753] ? mark_held_locks+0x130/0x130 [ 848.300021] __remove_mapping+0x2f7/0x1af0 [ 848.304329] ? kasan_check_read+0x11/0x20 [ 848.308545] ? perf_trace_mm_vmscan_writepage+0x9a0/0x9a0 [ 848.314085] ? vma_adjust_trans_huge+0x310/0x310 [ 848.318839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.324364] ? page_mapped+0x366/0x810 [ 848.328242] ? mark_held_locks+0xc7/0x130 [ 848.332376] ? page_mapping+0xa50/0xa50 [ 848.336349] ? free_unref_page_list+0xc0c/0x11e0 [ 848.341123] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.345694] ? rmap_walk+0x231/0x350 [ 848.349418] ? page_get_anon_vma+0x6d0/0x6d0 [ 848.353837] ? rmap_walk+0x231/0x350 [ 848.357554] ? page_get_anon_vma+0x6d0/0x6d0 [ 848.361986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.367543] ? try_to_unmap+0x473/0xa40 [ 848.371517] ? rmap_walk_locked+0x360/0x360 [ 848.375837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.381374] ? page_remove_rmap+0x1a30/0x1a30 [ 848.385856] ? page_not_mapped+0x20/0x20 [ 848.389914] ? __anon_vma_prepare+0x6c0/0x6c0 [ 848.394442] ? page_referenced+0x2d5/0xaa0 [ 848.398693] ? page_mapping+0xa50/0xa50 [ 848.402678] ? rmap_walk+0x350/0x350 [ 848.406376] ? kasan_check_read+0x11/0x20 [ 848.410575] ? rcu_softirq_qs+0x20/0x20 [ 848.414551] ? page_mapcount_is_zero+0x30/0x30 [ 848.419123] ? __anon_vma_prepare+0x6c0/0x6c0 [ 848.423611] ? page_evictable+0x305/0x540 [ 848.427744] ? kswapd_stop+0x100/0x100 [ 848.431670] ? ___might_sleep+0x1ed/0x300 [ 848.435823] ? arch_local_save_flags+0x40/0x40 [ 848.440395] shrink_page_list+0x664c/0xc620 [ 848.444723] ? page_evictable+0x540/0x540 [ 848.448878] ? __lock_is_held+0xb5/0x140 [ 848.453032] ? __account_cfs_rq_runtime+0x6c0/0x790 [ 848.458085] ? mark_held_locks+0x130/0x130 [ 848.462325] ? set_next_entity+0x2f0/0xaf0 [ 848.466564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.472092] ? graph_lock+0x270/0x270 [ 848.475888] ? update_load_avg+0x2470/0x2470 [ 848.480318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.485860] ? page_mapped+0x366/0x810 [ 848.489768] ? __lock_is_held+0xb5/0x140 [ 848.493818] ? pick_next_task_fair+0xa05/0x1b40 [ 848.498492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 848.504026] ? xas_descend+0x201/0x510 [ 848.507925] ? xa_destroy+0x4d0/0x4d0 [ 848.511732] ? __lock_is_held+0xb5/0x140 [ 848.515805] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 848.520834] ? xas_create+0x2bf/0x1170 [ 848.524729] ? print_usage_bug+0xc0/0xc0 [ 848.528794] ? workingset_update_node+0x4e7/0xb50 [ 848.533624] ? count_shadow_nodes+0x670/0x670 [ 848.538115] ? __lock_acquire+0x62f/0x4c20 [ 848.542340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.547870] ? xas_store+0x53a/0x1710 [ 848.551677] ? mark_held_locks+0x130/0x130 [ 848.555902] ? xas_create_range+0x5c0/0x5c0 [ 848.560286] ? PageHuge+0x183/0x2b0 [ 848.563933] ? vma_kernel_pagesize+0xb0/0xb0 [ 848.568333] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 848.573865] ? xas_clear_mark+0x2f5/0x360 [ 848.578054] ? print_usage_bug+0xc0/0xc0 [ 848.582129] ? __delete_from_page_cache+0xae7/0x10e0 [ 848.587235] ? find_held_lock+0x36/0x1c0 [ 848.591287] ? graph_lock+0x270/0x270 [ 848.595107] ? print_usage_bug+0xc0/0xc0 [ 848.599168] ? mark_held_locks+0xc7/0x130 [ 848.603303] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 848.608399] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 848.613577] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.618207] ? find_held_lock+0x36/0x1c0 [ 848.622317] ? mark_held_locks+0xc7/0x130 [ 848.626492] ? print_usage_bug+0xc0/0xc0 [ 848.630566] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 848.635654] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 848.640760] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.645332] ? trace_hardirqs_on+0xbd/0x310 [ 848.649641] ? kasan_check_read+0x11/0x20 [ 848.653786] ? debug_check_no_obj_freed+0x305/0x58d [ 848.658795] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 848.664243] ? vma_adjust_trans_huge+0x310/0x310 [ 848.668990] ? free_unref_page_list+0xc0c/0x11e0 [ 848.673732] ? free_unref_page_list+0xc0c/0x11e0 [ 848.678485] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.683067] ? trace_hardirqs_on+0xbd/0x310 [ 848.687399] ? shrink_page_list+0x6d2b/0xc620 [ 848.691904] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 848.697369] ? __page_frag_cache_drain+0x210/0x210 [ 848.702312] ? lockdep_hardirqs_on+0x421/0x5c0 [ 848.706904] ? trace_hardirqs_on+0xbd/0x310 [ 848.711234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 848.716818] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 848.721823] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 848.727259] ? check_preemption_disabled+0x48/0x280 [ 848.732288] ? __this_cpu_preempt_check+0x1c/0x20 [ 848.737143] ? uncharge_batch+0x451/0x760 [ 848.741280] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 848.746279] ? mem_cgroup_uncharge+0x100/0x100 [ 848.750858] ? arch_local_save_flags+0x40/0x40 [ 848.755458] ? shrink_page_list+0x707b/0xc620 [ 848.759983] ? page_evictable+0x540/0x540 [ 848.764140] ? rb_erase_cached+0xc78/0x3720 [ 848.768470] ? rb_next+0x140/0x140 [ 848.772051] ? rb_erase_cached+0xc78/0x3720 [ 848.776403] ? rb_next+0x140/0x140 [ 848.779977] ? noop_count+0x40/0x40 [ 848.783596] ? lock_pin_lock+0x350/0x350 [ 848.787665] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 848.793557] ? ret_from_fork+0x3a/0x50 [ 848.797448] ? graph_lock+0x270/0x270 [ 848.801245] ? print_usage_bug+0xc0/0xc0 [ 848.805337] ? attach_entity_load_avg+0x860/0x860 [ 848.810204] ? __lock_acquire+0x62f/0x4c20 [ 848.814448] ? update_load_avg+0x387/0x2470 [ 848.818758] ? add_lock_to_list.isra.26+0x1ec/0x4b0 [ 848.823777] ? mark_held_locks+0x130/0x130 [ 848.828007] ? __lock_acquire+0x282a/0x4c20 [ 848.832311] ? rb_erase+0x3710/0x3710 [ 848.836096] ? lock_pin_lock+0x350/0x350 [ 848.840143] ? attach_entity_load_avg+0x860/0x860 [ 848.844977] ? check_usage+0x1aa/0x790 [ 848.848891] ? graph_lock+0x270/0x270 [ 848.852691] ? graph_lock+0x270/0x270 [ 848.856496] ? print_usage_bug+0xc0/0xc0 [ 848.860564] ? graph_lock+0x270/0x270 [ 848.864374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 848.869920] ? page_mapping+0x5a2/0xa50 [ 848.873910] ? find_held_lock+0x36/0x1c0 [ 848.877971] ? print_usage_bug+0xc0/0xc0 [ 848.882040] ? page_evictable+0x2de/0x540 [ 848.886182] ? lock_downgrade+0x900/0x900 [ 848.890314] ? check_preemption_disabled+0x48/0x280 [ 848.895319] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 848.900236] ? kasan_check_read+0x11/0x20 [ 848.904384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 848.909932] ? __isolate_lru_page+0xd05/0x1540 [ 848.914515] ? putback_lru_page+0x280/0x280 [ 848.918838] ? __lock_acquire+0x62f/0x4c20 [ 848.923078] ? page_evictable+0x305/0x540 [ 848.927219] ? kswapd_stop+0x100/0x100 [ 848.931100] ? __lock_acquire+0x62f/0x4c20 [ 848.935327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 848.940856] ? putback_inactive_pages+0x1eb3/0x27e0 [ 848.945887] ? mark_held_locks+0x130/0x130 [ 848.950138] ? mark_held_locks+0x130/0x130 [ 848.954362] ? graph_lock+0x270/0x270 [ 848.958153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.963678] ? check_preemption_disabled+0x48/0x280 [ 848.968708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.974244] ? check_preemption_disabled+0x48/0x280 [ 848.979242] ? __lock_is_held+0xb5/0x140 [ 848.983298] ? __this_cpu_preempt_check+0x1c/0x20 [ 848.988168] ? __mod_zone_page_state+0x8a/0xf0 [ 848.992736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 848.998258] ? isolate_lru_pages.isra.57+0xc7d/0x19e0 [ 849.003474] ? __isolate_lru_page+0x1540/0x1540 [ 849.008162] ? print_usage_bug+0xc0/0xc0 [ 849.012230] ? __lock_is_held+0xb5/0x140 [ 849.016286] ? __lock_acquire+0x62f/0x4c20 [ 849.020580] ? es_reclaim_extents+0x330/0x330 [ 849.025090] ? graph_lock+0x270/0x270 [ 849.028893] ? print_usage_bug+0xc0/0xc0 [ 849.032944] ? find_held_lock+0x36/0x1c0 [ 849.037010] ? mark_held_locks+0xc7/0x130 [ 849.041158] ? _raw_spin_unlock_irq+0x27/0x80 [ 849.045652] ? _raw_spin_unlock_irq+0x27/0x80 [ 849.050137] ? lockdep_hardirqs_on+0x421/0x5c0 [ 849.054720] ? trace_hardirqs_on+0xbd/0x310 [ 849.059038] ? kasan_check_read+0x11/0x20 [ 849.063187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 849.068644] ? trace_hardirqs_on+0x310/0x310 [ 849.073055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.078575] ? check_preemption_disabled+0x48/0x280 [ 849.083580] shrink_inactive_list+0x77b/0x1c60 [ 849.088158] ? putback_inactive_pages+0x27e0/0x27e0 [ 849.093164] ? kasan_check_read+0x11/0x20 [ 849.097378] ? mem_cgroup_get_nr_swap_pages+0xa1/0x340 [ 849.102706] ? blk_lld_busy+0x70/0x70 [ 849.106510] ? kasan_check_read+0x11/0x20 [ 849.110663] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 849.115602] shrink_node_memcg+0x78b/0x18f0 [ 849.119931] ? shrink_active_list+0x1f00/0x1f00 [ 849.124611] ? mem_cgroup_from_id+0x30/0x30 [ 849.128949] ? vmpressure+0x218/0x340 [ 849.132750] ? lock_downgrade+0x900/0x900 [ 849.136889] ? kasan_check_read+0x11/0x20 [ 849.141053] ? print_usage_bug+0xc0/0xc0 [ 849.145182] shrink_node+0x3bc/0x16b0 [ 849.148989] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 849.154290] ? shrink_node_memcg+0x18f0/0x18f0 [ 849.158929] ? kvm_clock_read+0x18/0x30 [ 849.162928] ? ktime_get+0x2c1/0x400 [ 849.166647] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 849.171150] ? trace_hardirqs_on+0xbd/0x310 [ 849.175480] ? __debug_object_init+0x57d/0x1290 [ 849.180136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 849.185573] ? mark_held_locks+0xc7/0x130 [ 849.189723] do_try_to_free_pages+0x3df/0x1290 [ 849.194291] ? graph_lock+0x270/0x270 [ 849.198086] ? shrink_node+0x16b0/0x16b0 [ 849.202147] ? __lock_is_held+0xb5/0x140 [ 849.206221] try_to_free_pages+0x4d0/0xb90 [ 849.210474] ? do_try_to_free_pages+0x1290/0x1290 [ 849.215308] ? kasan_check_read+0x11/0x20 [ 849.219454] ? psi_memstall_enter+0x24f/0x2c0 [ 849.223939] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 849.229384] ? lock_repin_lock+0x430/0x430 [ 849.233623] ? _raw_spin_unlock_irq+0x60/0x80 [ 849.238104] ? psi_memstall_enter+0x24f/0x2c0 [ 849.242584] ? psi_memstall_tick+0x230/0x230 [ 849.246998] __alloc_pages_slowpath+0xa48/0x2df0 [ 849.251785] ? warn_alloc+0x120/0x120 [ 849.255591] ? find_held_lock+0x36/0x1c0 [ 849.259671] ? graph_lock+0x270/0x270 [ 849.263492] ? graph_lock+0x270/0x270 [ 849.267317] ? check_preemption_disabled+0x48/0x280 [ 849.272330] ? graph_lock+0x270/0x270 [ 849.276117] ? check_preemption_disabled+0x48/0x280 [ 849.281142] ? __lock_is_held+0xb5/0x140 [ 849.285220] ? find_held_lock+0x36/0x1c0 [ 849.289276] ? graph_lock+0x270/0x270 [ 849.293065] ? find_get_entry+0xa87/0x1120 [ 849.297314] ? lock_downgrade+0x900/0x900 [ 849.301470] ? check_preemption_disabled+0x48/0x280 [ 849.306479] ? __lock_is_held+0xb5/0x140 [ 849.310523] ? rcu_softirq_qs+0x20/0x20 [ 849.314490] ? ___might_sleep+0x1ed/0x300 [ 849.318656] ? arch_local_save_flags+0x40/0x40 [ 849.323242] ? __might_sleep+0x95/0x190 [ 849.327211] __alloc_pages_nodemask+0xad8/0xea0 [ 849.331874] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 849.336883] ? .slowpath+0x15/0x15 [ 849.340510] ? dd_dispatch_request+0x399/0xd40 [ 849.345105] ? lock_downgrade+0x900/0x900 [ 849.349239] ? deadline_remove_request+0x29a/0x640 [ 849.354171] ? kasan_check_read+0x11/0x20 [ 849.358314] ? do_raw_spin_unlock+0xa7/0x330 [ 849.362711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.368236] ? pagecache_get_page+0x2d8/0xf00 [ 849.372723] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 849.378246] alloc_pages_current+0x10c/0x210 [ 849.382651] __page_cache_alloc+0x38c/0x5b0 [ 849.386961] ? print_usage_bug+0xc0/0xc0 [ 849.391015] ? __lock_acquire+0x62f/0x4c20 [ 849.395248] ? mark_held_locks+0x130/0x130 [ 849.399491] ? filemap_range_has_page+0x4e0/0x4e0 [ 849.404365] ? __lock_acquire+0x62f/0x4c20 [ 849.408588] pagecache_get_page+0x396/0xf00 [ 849.412930] ? find_get_pages_contig+0x18d0/0x18d0 [ 849.417884] ? __find_get_block+0x2f7/0xf20 [ 849.422221] ? __find_get_block+0x2f7/0xf20 [ 849.426528] ? lockdep_hardirqs_on+0x421/0x5c0 [ 849.431098] ? trace_hardirqs_on+0xbd/0x310 [ 849.435417] ? __bfs+0xb0/0x7a0 [ 849.438713] ? __getblk_gfp+0x2b3/0xd50 [ 849.442682] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 849.448121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 849.453649] ? check_preemption_disabled+0x48/0x280 [ 849.458653] ? lockdep_on+0x50/0x50 [ 849.462283] ? __find_get_block+0x3be/0xf20 [ 849.466735] ? try_to_free_buffers+0xc80/0xc80 [ 849.471327] ? ___might_sleep+0x1ed/0x300 [ 849.475488] ? arch_local_save_flags+0x40/0x40 [ 849.480067] ? __lock_acquire+0x282a/0x4c20 [ 849.484412] ? __might_sleep+0x95/0x190 [ 849.488396] __getblk_gfp+0x3aa/0xd50 [ 849.492205] ? __find_get_block+0xf20/0xf20 [ 849.496540] ? print_usage_bug+0xc0/0xc0 [ 849.500594] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 849.505596] ? unwind_dump+0x190/0x190 [ 849.509541] ? blk_mq_bio_to_request+0x940/0x940 [ 849.514286] ? unwind_dump+0x190/0x190 [ 849.518180] ? graph_lock+0x270/0x270 [ 849.521977] ? graph_lock+0x270/0x270 [ 849.525780] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 849.530781] ? ext4_get_group_desc+0x1c6/0x2c0 [ 849.535365] ext4_read_block_bitmap_nowait+0x314/0x1f50 [ 849.540724] ? find_held_lock+0x36/0x1c0 [ 849.544793] ? ext4_free_clusters_after_init+0xb20/0xb20 [ 849.550272] ? lock_downgrade+0x900/0x900 [ 849.554443] ? check_preemption_disabled+0x48/0x280 [ 849.559503] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 849.564442] ? kasan_check_read+0x11/0x20 [ 849.568596] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 849.573887] ? rcu_softirq_qs+0x20/0x20 [ 849.577860] ? ext4_mb_use_inode_pa+0x37f/0x530 [ 849.582520] ? ext4_mb_use_preallocated.constprop.31+0xf4/0x11c0 [ 849.588667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 849.593680] ext4_read_block_bitmap+0x1f/0x90 [ 849.598369] ext4_mb_mark_diskspace_used+0x19e/0x10d0 [ 849.603592] ? ext4_trim_extent+0x1300/0x1300 [ 849.608125] ? kmem_cache_alloc+0x33a/0x730 [ 849.612460] ext4_mb_new_blocks+0xea5/0x4840 [ 849.616899] ? ext4_discard_preallocations+0x13c0/0x13c0 [ 849.622358] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 849.627360] ? unwind_dump+0x190/0x190 [ 849.631248] ? unwind_dump+0x190/0x190 [ 849.635139] ? unwind_next_frame+0x3e/0x50 [ 849.639383] ? __save_stack_trace+0x7d/0xf0 [ 849.643712] ? ret_from_fork+0x3a/0x50 [ 849.647590] ? save_stack+0xa9/0xd0 [ 849.651218] ? save_stack+0x43/0xd0 [ 849.654839] ? kasan_kmalloc+0xc7/0xe0 [ 849.658712] ? __kmalloc+0x15b/0x770 [ 849.662410] ? ext4_find_extent+0x757/0x9b0 [ 849.666757] ? ext4_ext_map_blocks+0x2ad/0x6180 [ 849.671430] ? ext4_map_blocks+0x8f7/0x1b60 [ 849.675741] ? ext4_writepages+0x2573/0x4180 [ 849.680131] ? do_writepages+0x9a/0x1a0 [ 849.684101] ? __writeback_single_inode+0x20a/0x1660 [ 849.689203] ? writeback_sb_inodes+0x71f/0x1210 [ 849.693855] ? __writeback_inodes_wb+0x1b9/0x340 [ 849.698615] ? wb_writeback+0xa73/0xfc0 [ 849.702585] ? wb_workfn+0xee9/0x1790 [ 849.706404] ? process_one_work+0xc90/0x1c40 [ 849.710806] ? worker_thread+0x17f/0x1390 [ 849.714938] ? kthread+0x35a/0x440 [ 849.718461] ? ret_from_fork+0x3a/0x50 [ 849.722345] ? graph_lock+0x270/0x270 [ 849.726152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.731690] ? check_preemption_disabled+0x48/0x280 [ 849.736698] ? __lock_is_held+0xb5/0x140 [ 849.740749] ? graph_lock+0x270/0x270 [ 849.744553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.750092] ? check_preemption_disabled+0x48/0x280 [ 849.755118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.760665] ? ext4_ext_search_right+0x2e1/0xb10 [ 849.765443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.770995] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 849.776030] ext4_ext_map_blocks+0x2eef/0x6180 [ 849.780606] ? ext4_ext_release+0x10/0x10 [ 849.784755] ? __pagevec_release+0x88/0x120 [ 849.789093] ? find_held_lock+0x36/0x1c0 [ 849.793155] ? graph_lock+0x270/0x270 [ 849.796951] ? graph_lock+0x270/0x270 [ 849.800753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.806310] ? lock_acquire+0x1ed/0x520 [ 849.810287] ? ext4_map_blocks+0x88f/0x1b60 [ 849.814596] ? lock_release+0xa00/0xa00 [ 849.818552] ? arch_local_save_flags+0x40/0x40 [ 849.823120] ? ext4_es_cache_extent+0x6a0/0x6a0 [ 849.827802] ? down_write+0x8a/0x130 [ 849.831529] ? ext4_map_blocks+0x88f/0x1b60 [ 849.835844] ? down_read+0x120/0x120 [ 849.839566] ext4_map_blocks+0x8f7/0x1b60 [ 849.843718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.849255] ? check_preemption_disabled+0x48/0x280 [ 849.854255] ? ext4_issue_zeroout+0x160/0x160 [ 849.858736] ? __lock_is_held+0xb5/0x140 [ 849.862801] ext4_writepages+0x2573/0x4180 [ 849.867040] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 849.871813] ? print_usage_bug+0xc0/0xc0 [ 849.875859] ? find_held_lock+0x36/0x1c0 [ 849.879942] ? hctx_unlock+0xde/0x150 [ 849.883772] ? __lock_acquire+0x62f/0x4c20 [ 849.888038] ? rcu_softirq_qs+0x20/0x20 [ 849.892026] ? print_usage_bug+0xc0/0xc0 [ 849.896084] ? __lock_acquire+0x62f/0x4c20 [ 849.900324] ? mark_held_locks+0x130/0x130 [ 849.904589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 849.910107] ? __ext4_get_inode_loc+0x470/0x1330 [ 849.914860] ? mark_held_locks+0x130/0x130 [ 849.919081] ? graph_lock+0x270/0x270 [ 849.922891] ? kasan_check_write+0x14/0x20 [ 849.927139] ? __brelse+0x104/0x180 [ 849.930784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 849.936320] ? check_preemption_disabled+0x48/0x280 [ 849.941330] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 849.946087] do_writepages+0x9a/0x1a0 [ 849.949902] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 849.954641] ? do_writepages+0x9a/0x1a0 [ 849.958620] __writeback_single_inode+0x20a/0x1660 [ 849.963553] ? __mark_inode_dirty+0x1510/0x1510 [ 849.968211] ? find_held_lock+0x36/0x1c0 [ 849.972268] ? find_held_lock+0x36/0x1c0 [ 849.976331] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 849.981595] ? lock_downgrade+0x900/0x900 [ 849.985737] ? find_held_lock+0x13f/0x1c0 [ 849.989876] ? kasan_check_read+0x11/0x20 [ 849.994018] ? do_raw_spin_unlock+0xa7/0x330 [ 849.998437] ? do_raw_spin_trylock+0x270/0x270 [ 850.003027] ? __lock_is_held+0xb5/0x140 [ 850.007130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 850.012676] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 850.017965] ? __writeback_single_inode+0x1660/0x1660 [ 850.023164] writeback_sb_inodes+0x71f/0x1210 [ 850.027653] ? wbc_detach_inode+0x940/0x940 [ 850.031984] ? lock_release+0xa00/0xa00 [ 850.035955] ? down_read_trylock+0xda/0x140 [ 850.040327] ? trylock_super+0x22/0x110 [ 850.044305] ? downgrade_write+0x270/0x270 [ 850.048526] ? up_read_non_owner+0x100/0x100 [ 850.052925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 850.058488] __writeback_inodes_wb+0x1b9/0x340 [ 850.063085] ? writeback_sb_inodes+0x1210/0x1210 [ 850.067856] ? __lock_is_held+0xb5/0x140 [ 850.071939] wb_writeback+0xa73/0xfc0 [ 850.075745] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 850.081467] ? widen_string+0xe0/0x2e0 [ 850.085361] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 850.090557] ? print_usage_bug+0xc0/0xc0 [ 850.094619] ? string+0x225/0x2d0 [ 850.098075] ? widen_string+0x2e0/0x2e0 [ 850.102083] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 850.107155] ? find_next_bit+0x104/0x130 [ 850.111231] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 850.116246] ? find_next_bit+0x104/0x130 [ 850.120304] ? cpumask_next+0x41/0x50 [ 850.124108] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 850.129146] ? get_nr_dirty_inodes+0xd6/0x130 [ 850.133664] ? __local_bh_enable_ip+0x160/0x260 [ 850.138334] ? get_nr_dirty_pages+0x17c/0x1f0 [ 850.142821] ? _raw_spin_unlock_bh+0x30/0x40 [ 850.147236] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 850.152247] ? wb_split_bdi_pages.isra.29+0x134/0x1b0 [ 850.157430] ? wb_wait_for_completion+0x2d0/0x2d0 [ 850.162285] ? wb_workfn+0x521/0x1790 [ 850.166087] ? __local_bh_enable_ip+0x160/0x260 [ 850.170752] wb_workfn+0xee9/0x1790 [ 850.174382] ? __lock_acquire+0x62f/0x4c20 [ 850.178618] ? inode_wait_for_writeback+0x40/0x40 [ 850.183482] ? mark_held_locks+0x130/0x130 [ 850.187719] ? mark_held_locks+0x130/0x130 [ 850.191954] ? set_next_entity+0x2f0/0xaf0 [ 850.196186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 850.201766] ? update_load_avg+0x2470/0x2470 [ 850.206213] ? pick_next_task_fair+0xa05/0x1b40 [ 850.210887] ? graph_lock+0x270/0x270 [ 850.214694] ? debug_object_deactivate+0x2eb/0x450 [ 850.219615] ? lock_downgrade+0x900/0x900 [ 850.223750] ? find_held_lock+0x36/0x1c0 [ 850.227819] ? graph_lock+0x270/0x270 [ 850.231681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 850.237224] ? check_preemption_disabled+0x48/0x280 [ 850.242242] ? __lock_is_held+0xb5/0x140 [ 850.246312] process_one_work+0xc90/0x1c40 [ 850.250577] ? mark_held_locks+0x130/0x130 [ 850.254814] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 850.259485] ? __switch_to_asm+0x40/0x70 [ 850.263531] ? __switch_to_asm+0x34/0x70 [ 850.267586] ? __switch_to_asm+0x34/0x70 [ 850.271643] ? __switch_to_asm+0x40/0x70 [ 850.275689] ? __switch_to_asm+0x34/0x70 [ 850.279737] ? __switch_to_asm+0x40/0x70 [ 850.283796] ? __switch_to_asm+0x34/0x70 [ 850.287888] ? __switch_to_asm+0x40/0x70 [ 850.291968] ? __schedule+0x874/0x1ed0 [ 850.295860] ? lock_downgrade+0x900/0x900 [ 850.300011] ? graph_lock+0x270/0x270 [ 850.303812] ? find_held_lock+0x36/0x1c0 [ 850.307904] ? lock_acquire+0x1ed/0x520 [ 850.311877] ? worker_thread+0x3e0/0x1390 [ 850.316016] ? kasan_check_read+0x11/0x20 [ 850.320149] ? do_raw_spin_lock+0x14f/0x350 [ 850.324455] ? kasan_check_read+0x11/0x20 [ 850.328589] ? rwlock_bug.part.2+0x90/0x90 [ 850.332811] ? trace_hardirqs_on+0x310/0x310 [ 850.337221] worker_thread+0x17f/0x1390 [ 850.341187] ? __switch_to_asm+0x34/0x70 [ 850.345289] ? process_one_work+0x1c40/0x1c40 [ 850.349802] ? __sched_text_start+0x8/0x8 [ 850.353942] ? __kthread_parkme+0xce/0x1a0 [ 850.358161] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 850.363247] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 850.368336] ? lockdep_hardirqs_on+0x421/0x5c0 [ 850.372913] ? trace_hardirqs_on+0xbd/0x310 [ 850.377235] ? kasan_check_read+0x11/0x20 [ 850.381380] ? __kthread_parkme+0xce/0x1a0 [ 850.385600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 850.391064] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 850.396185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 850.401739] ? __kthread_parkme+0xfb/0x1a0 [ 850.406019] ? process_one_work+0x1c40/0x1c40 [ 850.410497] kthread+0x35a/0x440 [ 850.413846] ? kthread_bind+0x40/0x40 [ 850.417646] ret_from_fork+0x3a/0x50 [ 850.422499] Kernel Offset: disabled [ 850.426192] Rebooting in 86400 seconds..