[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.486244] audit: type=1800 audit(1545704222.020:25): pid=7648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 36.515245] audit: type=1800 audit(1545704222.020:26): pid=7648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.540699] audit: type=1800 audit(1545704222.020:27): pid=7648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.226' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 71.380366] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 71.388647] CPU: 1 PID: 2485 Comm: kworker/u4:4 Not tainted 4.20.0 #290 [ 71.395393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.404768] Workqueue: writeback wb_workfn (flush-8:0) [ 71.410039] Call Trace: [ 71.412634] dump_stack+0x1d3/0x2c6 [ 71.416369] ? dump_stack_print_info.cold.1+0x20/0x20 [ 71.421571] panic+0x2ad/0x55c [ 71.424762] ? add_taint.cold.5+0x16/0x16 [ 71.428915] ? _raw_spin_unlock+0x2c/0x50 [ 71.433064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.438601] ? check_preemption_disabled+0x48/0x280 [ 71.443620] ? check_preemption_disabled+0x3a/0x280 [ 71.448655] __schedule+0x1ec6/0x1ed0 [ 71.452463] ? check_pte+0x5a0/0x5a0 [ 71.456186] ? __sched_text_start+0x8/0x8 [ 71.460339] ? count_shadow_nodes+0x670/0x670 [ 71.464841] ? mark_held_locks+0xc7/0x130 [ 71.468991] ? preempt_schedule_irq+0x5e/0x110 [ 71.473566] ? preempt_schedule_irq+0x5e/0x110 [ 71.478149] ? lockdep_hardirqs_on+0x421/0x5c0 [ 71.482730] ? trace_hardirqs_on+0xbd/0x310 [ 71.487045] ? xas_store+0x53a/0x1710 [ 71.490841] ? retint_kernel+0x1b/0x2d [ 71.494729] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 71.500184] ? graph_lock+0x270/0x270 [ 71.503991] preempt_schedule_irq+0x87/0x110 [ 71.508399] retint_kernel+0x1b/0x2d [ 71.512113] RIP: 0010:lock_is_held_type+0x35/0x210 [ 71.517138] Code: 48 89 e5 41 55 49 89 fd 41 54 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 83 ec 08 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6e 01 00 00 8b [ 71.536032] RSP: 0018:ffff8881cf1e1518 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 71.543756] RAX: dffffc0000000000 RBX: ffff8881cf1ce540 RCX: ffffffff81b61080 [ 71.551024] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8881cf1cedbc [ 71.558289] RBP: ffff8881cf1e1538 R08: ffff8881cf1ce540 R09: ffffed10398f5a00 [ 71.565592] R10: ffffed10398f5a00 R11: ffff8881cc7ad003 R12: 1ffff11039e3c2aa [ 71.572883] R13: ffffffff8959af40 R14: ffffffff883378c0 R15: 0000000000000752 [ 71.580189] ? rmap_walk_file+0x710/0x1190 [ 71.584455] ___might_sleep+0x28a/0x300 [ 71.588449] ? arch_local_save_flags+0x40/0x40 [ 71.593061] ? vma_interval_tree_iter_next+0xf7/0x240 [ 71.598263] rmap_walk_file+0x73f/0x1190 [ 71.602335] ? page_mkclean_one+0x7d0/0x7d0 [ 71.606677] ? trace_hardirqs_on+0xbd/0x310 [ 71.611007] ? kasan_check_read+0x11/0x20 [ 71.615159] ? __remove_mapping+0x932/0x1af0 [ 71.619597] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 71.625059] ? mark_held_locks+0x130/0x130 [ 71.629319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 71.634439] ? __remove_mapping+0xb19/0x1af0 [ 71.638859] ? kasan_check_read+0x11/0x20 [ 71.643017] ? total_mapcount+0x2c8/0x940 [ 71.647174] ? vma_adjust_trans_huge+0x310/0x310 [ 71.651941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.657481] ? page_mapped+0x366/0x810 [ 71.661375] ? mark_held_locks+0xc7/0x130 [ 71.665559] ? page_mapping+0xa50/0xa50 [ 71.669553] ? free_unref_page_list+0xc0c/0x11e0 [ 71.674314] ? lockdep_hardirqs_on+0x421/0x5c0 [ 71.678914] ? graph_lock+0x270/0x270 [ 71.682737] rmap_walk+0x22c/0x350 [ 71.686294] ? page_get_anon_vma+0x6d0/0x6d0 [ 71.690717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.696261] ? page_rmapping+0xd9/0x160 [ 71.700244] ? vm_mmap+0xc0/0xc0 [ 71.703625] page_referenced+0x7d1/0xaa0 [ 71.707719] ? rmap_walk+0x350/0x350 [ 71.711440] ? kasan_check_read+0x11/0x20 [ 71.715606] ? rcu_softirq_qs+0x20/0x20 [ 71.719603] ? page_mapcount_is_zero+0x30/0x30 [ 71.724187] ? __anon_vma_prepare+0x6c0/0x6c0 [ 71.728693] ? page_evictable+0x305/0x540 [ 71.732847] ? kswapd_stop+0x100/0x100 [ 71.736738] ? ___might_sleep+0x1ed/0x300 [ 71.740910] ? arch_local_save_flags+0x40/0x40 [ 71.745528] shrink_page_list+0x4a05/0xc620 [ 71.749876] ? page_evictable+0x540/0x540 [ 71.754131] ? print_usage_bug+0xc0/0xc0 [ 71.758230] ? print_usage_bug+0xc0/0xc0 [ 71.762308] ? check_preemption_disabled+0x48/0x280 [ 71.767352] ? rcu_read_lock_sched_held+0x108/0x120 [ 71.772378] ? update_cfs_rq_load_avg.part.69+0x253/0x2e0 [ 71.777919] ? tg_unthrottle_up+0x220/0x220 [ 71.782241] ? update_load_avg+0x13b8/0x2470 [ 71.786646] ? attach_entity_load_avg+0x860/0x860 [ 71.791483] ? graph_lock+0x270/0x270 [ 71.795270] ? noop_count+0x40/0x40 [ 71.798898] ? lock_pin_lock+0x350/0x350 [ 71.802970] ? graph_lock+0x270/0x270 [ 71.806775] ? find_held_lock+0x36/0x1c0 [ 71.811351] ? cpuacct_charge+0x265/0x440 [ 71.815485] ? find_held_lock+0x36/0x1c0 [ 71.819548] ? lock_downgrade+0x900/0x900 [ 71.823698] ? check_preemption_disabled+0x48/0x280 [ 71.828703] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 71.833638] ? kasan_check_read+0x11/0x20 [ 71.837780] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 71.843054] ? rcu_softirq_qs+0x20/0x20 [ 71.847053] ? update_curr+0x4ec/0xbe0 [ 71.850951] ? rb_erase_cached+0xc78/0x3720 [ 71.855277] ? __account_cfs_rq_runtime+0x790/0x790 [ 71.860381] ? lockdep_on+0x50/0x50 [ 71.864015] ? rb_next+0x140/0x140 [ 71.867596] ? kasan_check_read+0x11/0x20 [ 71.871746] ? __cpu_to_node+0x7d/0xa0 [ 71.875633] ? account_entity_enqueue+0x3a3/0x660 [ 71.880505] ? graph_lock+0x270/0x270 [ 71.884321] ? noop_count+0x40/0x40 [ 71.887953] ? lock_pin_lock+0x350/0x350 [ 71.892033] ? __lock_is_held+0xb5/0x140 [ 71.896130] ? update_curr+0x344/0xbe0 [ 71.900032] ? graph_lock+0x270/0x270 [ 71.903840] ? check_usage+0x1aa/0x790 [ 71.907743] ? check_usage_forwards+0x3d0/0x3d0 [ 71.912439] ? graph_lock+0x270/0x270 [ 71.916244] ? print_usage_bug+0xc0/0xc0 [ 71.920352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.925936] ? __update_load_avg_blocked_se+0x690/0x690 [ 71.931308] ? graph_lock+0x270/0x270 [ 71.935125] ? rb_erase_cached+0xc78/0x3720 [ 71.939453] ? update_load_avg+0x387/0x2470 [ 71.943776] ? rb_next+0x140/0x140 [ 71.947325] ? attach_entity_load_avg+0x860/0x860 [ 71.952184] ? update_load_avg+0x387/0x2470 [ 71.956517] ? rb_erase_cached+0xc78/0x3720 [ 71.960872] ? attach_entity_load_avg+0x860/0x860 [ 71.965722] ? try_to_wake_up+0x11c/0x1460 [ 71.969988] ? check_usage_forwards+0x3d0/0x3d0 [ 71.974675] ? migrate_swap_stop+0x930/0x930 [ 71.979602] ? rb_erase+0x3710/0x3710 [ 71.983443] ? mark_held_locks+0x130/0x130 [ 71.987683] ? graph_lock+0x270/0x270 [ 71.991505] ? kasan_check_read+0x11/0x20 [ 71.995664] ? graph_lock+0x9c/0x270 [ 71.999384] ? noop_count+0x40/0x40 [ 72.003026] ? graph_lock+0x270/0x270 [ 72.006825] ? print_usage_bug+0xc0/0xc0 [ 72.010871] ? graph_lock+0x270/0x270 [ 72.014729] ? graph_lock+0x270/0x270 [ 72.018524] ? graph_lock+0x270/0x270 [ 72.022309] ? __lock_is_held+0xb5/0x140 [ 72.026360] ? __update_load_avg_blocked_se+0x690/0x690 [ 72.031774] ? __update_load_avg_se+0xae0/0xae0 [ 72.036445] ? graph_lock+0x270/0x270 [ 72.040269] ? print_usage_bug+0xc0/0xc0 [ 72.044336] ? update_load_avg+0x387/0x2470 [ 72.048673] ? attach_entity_load_avg+0x860/0x860 [ 72.053530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.059097] ? __isolate_lru_page+0xd05/0x1540 [ 72.063713] ? mark_held_locks+0x130/0x130 [ 72.067963] ? __lock_acquire+0x62f/0x4c20 [ 72.072202] ? __lock_acquire+0x62f/0x4c20 [ 72.076488] ? rb_erase+0x3710/0x3710 [ 72.080290] ? graph_lock+0x270/0x270 [ 72.084111] ? find_held_lock+0x36/0x1c0 [ 72.088189] ? graph_lock+0x270/0x270 [ 72.091989] ? graph_lock+0x270/0x270 [ 72.095806] ? print_usage_bug+0xc0/0xc0 [ 72.099862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.105405] ? check_preemption_disabled+0x48/0x280 [ 72.110447] ? trace_hardirqs_off+0xb8/0x310 [ 72.114859] ? trace_hardirqs_on+0x310/0x310 [ 72.119273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.124817] ? check_preemption_disabled+0x48/0x280 [ 72.129839] ? print_usage_bug+0xc0/0xc0 [ 72.133904] ? count_memcg_events+0x1ac/0x2a0 [ 72.138414] ? move_active_pages_to_lru+0x1461/0x19b0 [ 72.143632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.149171] ? __isolate_lru_page+0xd05/0x1540 [ 72.153771] ? putback_lru_page+0x280/0x280 [ 72.158098] ? __lock_acquire+0x62f/0x4c20 [ 72.162352] ? mark_held_locks+0x130/0x130 [ 72.166624] ? __lock_acquire+0x62f/0x4c20 [ 72.170863] ? putback_inactive_pages+0x1eb3/0x27e0 [ 72.175884] ? free_unref_page_list+0xc0c/0x11e0 [ 72.180665] ? mark_held_locks+0x130/0x130 [ 72.184937] ? graph_lock+0x270/0x270 [ 72.188751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.194295] ? check_preemption_disabled+0x48/0x280 [ 72.199319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.204857] ? check_preemption_disabled+0x48/0x280 [ 72.209878] ? __lock_is_held+0xb5/0x140 [ 72.213954] ? __this_cpu_preempt_check+0x1c/0x20 [ 72.218804] ? __mod_zone_page_state+0x8a/0xf0 [ 72.223409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.228948] ? isolate_lru_pages.isra.57+0xc7d/0x19e0 [ 72.234155] ? __isolate_lru_page+0x1540/0x1540 [ 72.238857] ? print_usage_bug+0xc0/0xc0 [ 72.242939] ? __lock_is_held+0xb5/0x140 [ 72.247021] ? __lock_acquire+0x62f/0x4c20 [ 72.251272] ? graph_lock+0x270/0x270 [ 72.255081] ? print_usage_bug+0xc0/0xc0 [ 72.259155] ? find_held_lock+0x36/0x1c0 [ 72.263232] ? mark_held_locks+0xc7/0x130 [ 72.267441] ? _raw_spin_unlock_irq+0x27/0x80 [ 72.271962] ? _raw_spin_unlock_irq+0x27/0x80 [ 72.276483] ? lockdep_hardirqs_on+0x421/0x5c0 [ 72.281084] ? trace_hardirqs_on+0xbd/0x310 [ 72.285462] ? kasan_check_read+0x11/0x20 [ 72.289624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 72.295085] ? trace_hardirqs_on+0x310/0x310 [ 72.299509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.305049] ? check_preemption_disabled+0x48/0x280 [ 72.310080] shrink_inactive_list+0x77b/0x1c60 [ 72.314661] ? putback_inactive_pages+0x27e0/0x27e0 [ 72.319674] ? kasan_check_read+0x11/0x20 [ 72.323827] ? mem_cgroup_get_nr_swap_pages+0xa1/0x340 [ 72.329101] ? blk_lld_busy+0x70/0x70 [ 72.332893] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 72.337841] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 72.342779] shrink_node_memcg+0x78b/0x18f0 [ 72.347100] ? shrink_slab+0x207/0x8c0 [ 72.350990] ? shrink_active_list+0x1f00/0x1f00 [ 72.355646] ? mem_cgroup_from_id+0x30/0x30 [ 72.359966] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 72.365625] ? print_usage_bug+0xc0/0xc0 [ 72.369705] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 72.374898] shrink_node+0x3bc/0x16b0 [ 72.378702] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 72.383999] ? shrink_node_memcg+0x18f0/0x18f0 [ 72.388590] ? kvm_clock_read+0x18/0x30 [ 72.392566] ? ktime_get+0x2c1/0x400 [ 72.396284] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 72.400783] ? blk_mq_dequeue_from_ctx+0xa70/0xa70 [ 72.405711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 72.410821] do_try_to_free_pages+0x3df/0x1290 [ 72.415531] ? graph_lock+0x270/0x270 [ 72.419375] ? shrink_node+0x16b0/0x16b0 [ 72.423452] ? __lock_is_held+0xb5/0x140 [ 72.427535] try_to_free_pages+0x4d0/0xb90 [ 72.431783] ? do_try_to_free_pages+0x1290/0x1290 [ 72.436662] ? kasan_check_read+0x11/0x20 [ 72.440815] ? psi_memstall_enter+0x24f/0x2c0 [ 72.445325] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 72.450779] ? lock_repin_lock+0x430/0x430 [ 72.455025] ? _raw_spin_unlock_irq+0x60/0x80 [ 72.459532] ? psi_memstall_enter+0x24f/0x2c0 [ 72.464030] ? psi_memstall_tick+0x230/0x230 [ 72.468457] __alloc_pages_slowpath+0xa48/0x2df0 [ 72.473362] ? warn_alloc+0x120/0x120 [ 72.477180] ? warn_alloc+0x120/0x120 [ 72.480986] ? warn_alloc+0x120/0x120 [ 72.484792] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 72.490331] ? blk_mq_do_dispatch_sched+0x443/0x580 [ 72.495354] ? print_usage_bug+0xc0/0xc0 [ 72.499434] ? blk_mq_do_dispatch_ctx+0x6d0/0x6d0 [ 72.504299] ? find_held_lock+0x36/0x1c0 [ 72.508398] ? graph_lock+0x270/0x270 [ 72.512222] ? hctx_unlock+0xde/0x150 [ 72.516038] ? __lock_is_held+0xb5/0x140 [ 72.520110] ? __lock_acquire+0x62f/0x4c20 [ 72.524354] ? graph_lock+0x270/0x270 [ 72.528184] ? ___might_sleep+0x1ed/0x300 [ 72.532340] ? arch_local_save_flags+0x40/0x40 [ 72.536932] ? check_preemption_disabled+0x48/0x280 [ 72.541965] ? __might_sleep+0x95/0x190 [ 72.545957] __alloc_pages_nodemask+0xad8/0xea0 [ 72.550655] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 72.555791] ? mark_held_locks+0xc7/0x130 [ 72.559990] ? cache_grow_begin+0x5a4/0x8c0 [ 72.564323] ? lockdep_hardirqs_on+0x421/0x5c0 [ 72.568913] ? trace_hardirqs_on+0xbd/0x310 [ 72.573243] ? fallback_alloc+0x203/0x2e0 [ 72.577404] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 72.582858] ? ____cache_alloc_node+0x16b/0x1e0 [ 72.587534] ? lock_downgrade+0x900/0x900 [ 72.591677] ? graph_lock+0x270/0x270 [ 72.595478] cache_grow_begin+0x91/0x8c0 [ 72.599527] ? do_raw_spin_unlock+0xa7/0x330 [ 72.603937] fallback_alloc+0x203/0x2e0 [ 72.607900] ____cache_alloc_node+0x1c7/0x1e0 [ 72.612415] kmem_cache_alloc+0x1f8/0x730 [ 72.616566] ? mempool_free+0x370/0x370 [ 72.620536] mempool_alloc_slab+0x44/0x60 [ 72.624685] mempool_alloc+0x193/0x4a0 [ 72.628583] ? mempool_destroy+0x30/0x30 [ 72.632671] ? blk_account_io_start+0x486/0xf90 [ 72.637347] ? lock_downgrade+0x900/0x900 [ 72.641613] ? check_preemption_disabled+0x48/0x280 [ 72.646652] bio_alloc_bioset+0x3a8/0x700 [ 72.650811] ? bvec_alloc+0x2d0/0x2d0 [ 72.654629] bio_clone_fast+0x26/0x110 [ 72.658520] bio_split+0x86/0x260 [ 72.661985] blk_queue_split+0xa22/0x20f0 [ 72.666135] ? blk_queue_bounce+0x126/0x292a [ 72.670561] ? blk_recount_segments+0x9e0/0x9e0 [ 72.675237] ? graph_lock+0x270/0x270 [ 72.679072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.684635] ? check_preemption_disabled+0x48/0x280 [ 72.689670] ? __lock_is_held+0xb5/0x140 [ 72.693750] blk_mq_make_request+0x2e9/0x2590 [ 72.698254] ? blk_mq_try_issue_directly+0x1e0/0x1e0 [ 72.703358] ? graph_lock+0x270/0x270 [ 72.707179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.712722] ? check_preemption_disabled+0x48/0x280 [ 72.717768] ? __lock_is_held+0xb5/0x140 [ 72.721861] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 72.727410] ? generic_make_request_checks+0x5fb/0x26c0 [ 72.732787] ? blk_queue_bypass_end+0x210/0x210 [ 72.737460] ? find_held_lock+0x36/0x1c0 [ 72.741557] ? __unlock_page_memcg+0x53/0x100 [ 72.746074] ? lock_downgrade+0x900/0x900 [ 72.750224] ? check_preemption_disabled+0x48/0x280 [ 72.755248] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 72.760184] ? kasan_check_read+0x11/0x20 [ 72.764358] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 72.769654] ? lockdep_hardirqs_on+0x421/0x5c0 [ 72.774244] ? rcu_softirq_qs+0x20/0x20 [ 72.778225] ? trace_hardirqs_on+0xbd/0x310 [ 72.782550] ? ext4_bio_write_page+0x505/0x19c3 [ 72.787223] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 72.792682] ? __unlock_page_memcg+0x70/0x100 [ 72.797177] ? unlock_page_memcg+0x2c/0x40 [ 72.801446] ? __test_set_page_writeback+0x386/0x1f30 [ 72.806654] ? wait_for_stable_page+0x570/0x570 [ 72.811337] generic_make_request+0x9be/0x15a0 [ 72.815927] ? blk_get_request+0x4e0/0x4e0 [ 72.820170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.825712] ? page_mapping+0x5a2/0xa50 [ 72.829710] ? find_held_lock+0x36/0x1c0 [ 72.833803] ? clear_page_dirty_for_io+0xa1a/0x1900 [ 72.838837] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 72.843788] submit_bio+0xba/0x460 [ 72.847345] ? submit_bio+0xba/0x460 [ 72.851071] ? generic_make_request+0x15a0/0x15a0 [ 72.855903] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 72.861428] ? __bio_try_merge_page+0x113/0x240 [ 72.866084] ext4_io_submit+0x197/0x230 [ 72.870065] ext4_bio_write_page+0xb4d/0x19c3 [ 72.874552] ? ext4_io_submit_init+0x90/0x90 [ 72.878956] ? trace_hardirqs_on_caller+0xc0/0x310 [ 72.883884] ? trace_hardirqs_off+0x310/0x310 [ 72.888380] ? retint_kernel+0x1b/0x2d [ 72.892255] ? trace_hardirqs_on+0x310/0x310 [ 72.896667] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.901417] mpage_submit_page+0x15e/0x270 [ 72.905638] mpage_map_and_submit_buffers+0x55e/0xa40 [ 72.910819] ? mpage_process_page_bufs+0x600/0x600 [ 72.915729] ? ext4_map_blocks+0x429/0x1b60 [ 72.920041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.925591] ext4_writepages+0x2720/0x4180 [ 72.929853] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 72.934614] ? print_usage_bug+0xc0/0xc0 [ 72.938702] ? __lock_acquire+0x62f/0x4c20 [ 72.942940] ? rcu_softirq_qs+0x20/0x20 [ 72.946915] ? print_usage_bug+0xc0/0xc0 [ 72.950982] ? __lock_acquire+0x62f/0x4c20 [ 72.955215] ? mark_held_locks+0x130/0x130 [ 72.959456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.965000] ? __ext4_get_inode_loc+0x470/0x1330 [ 72.969776] ? mark_held_locks+0x130/0x130 [ 72.974033] ? graph_lock+0x270/0x270 [ 72.978010] ? kasan_check_write+0x14/0x20 [ 72.982244] ? __brelse+0x104/0x180 [ 72.985874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.991434] ? check_preemption_disabled+0x48/0x280 [ 72.996461] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 73.001234] do_writepages+0x9a/0x1a0 [ 73.005049] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 73.009807] ? do_writepages+0x9a/0x1a0 [ 73.013804] __writeback_single_inode+0x20a/0x1660 [ 73.018749] ? __mark_inode_dirty+0x1510/0x1510 [ 73.023447] ? find_held_lock+0x36/0x1c0 [ 73.027548] ? find_held_lock+0x36/0x1c0 [ 73.031619] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 73.036902] ? lock_downgrade+0x900/0x900 [ 73.041059] ? find_held_lock+0x13f/0x1c0 [ 73.045215] ? kasan_check_read+0x11/0x20 [ 73.049373] ? do_raw_spin_unlock+0xa7/0x330 [ 73.053789] ? do_raw_spin_trylock+0x270/0x270 [ 73.058379] ? __lock_is_held+0xb5/0x140 [ 73.062454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.067999] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 73.073290] ? __writeback_single_inode+0x1660/0x1660 [ 73.078502] writeback_sb_inodes+0x71f/0x1210 [ 73.083017] ? wbc_detach_inode+0x940/0x940 [ 73.087354] ? lock_release+0xa00/0xa00 [ 73.091381] ? down_read_trylock+0xda/0x140 [ 73.095724] ? trylock_super+0x22/0x110 [ 73.099702] ? downgrade_write+0x270/0x270 [ 73.103946] ? queue_io+0x3dd/0x800 [ 73.107575] ? graph_lock+0x270/0x270 [ 73.111394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.116938] __writeback_inodes_wb+0x1b9/0x340 [ 73.121534] ? writeback_sb_inodes+0x1210/0x1210 [ 73.126294] ? __lock_is_held+0xb5/0x140 [ 73.130382] wb_writeback+0xa73/0xfc0 [ 73.134217] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 73.139940] ? widen_string+0xe0/0x2e0 [ 73.143862] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 73.149061] ? print_usage_bug+0xc0/0xc0 [ 73.153144] ? string+0x225/0x2d0 [ 73.156606] ? widen_string+0x2e0/0x2e0 [ 73.160583] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 73.165597] ? find_next_bit+0x104/0x130 [ 73.169651] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 73.174653] ? find_next_bit+0x104/0x130 [ 73.178706] ? cpumask_next+0x41/0x50 [ 73.182492] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 73.187521] ? get_nr_dirty_inodes+0xd6/0x130 [ 73.192005] ? __local_bh_enable_ip+0x160/0x260 [ 73.196668] ? get_nr_dirty_pages+0x17c/0x1f0 [ 73.201161] ? _raw_spin_unlock_bh+0x30/0x40 [ 73.205580] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 73.210598] ? wb_split_bdi_pages.isra.29+0x134/0x1b0 [ 73.215791] ? wb_wait_for_completion+0x2d0/0x2d0 [ 73.220639] ? wb_workfn+0x521/0x1790 [ 73.224460] ? __local_bh_enable_ip+0x160/0x260 [ 73.229147] wb_workfn+0xee9/0x1790 [ 73.232783] ? __lock_acquire+0x62f/0x4c20 [ 73.237026] ? inode_wait_for_writeback+0x40/0x40 [ 73.241886] ? mark_held_locks+0x130/0x130 [ 73.246127] ? mark_held_locks+0x130/0x130 [ 73.250372] ? set_next_entity+0x2f0/0xaf0 [ 73.254611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.260152] ? update_load_avg+0x2470/0x2470 [ 73.264590] ? pick_next_task_fair+0xa05/0x1b40 [ 73.269288] ? graph_lock+0x270/0x270 [ 73.273099] ? debug_object_deactivate+0x2eb/0x450 [ 73.278044] ? lock_downgrade+0x900/0x900 [ 73.282217] ? native_load_gs_index+0x10/0x30 [ 73.286723] ? find_held_lock+0x36/0x1c0 [ 73.290802] ? graph_lock+0x270/0x270 [ 73.294614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.300158] ? check_preemption_disabled+0x48/0x280 [ 73.305204] ? __lock_is_held+0xb5/0x140 [ 73.309289] process_one_work+0xc90/0x1c40 [ 73.313530] ? mark_held_locks+0x130/0x130 [ 73.317788] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 73.322462] ? __switch_to_asm+0x40/0x70 [ 73.326525] ? __switch_to_asm+0x34/0x70 [ 73.330606] ? __switch_to_asm+0x34/0x70 [ 73.334670] ? __switch_to_asm+0x40/0x70 [ 73.338734] ? __switch_to_asm+0x34/0x70 [ 73.342794] ? __switch_to_asm+0x40/0x70 [ 73.346854] ? __switch_to_asm+0x34/0x70 [ 73.350918] ? __switch_to_asm+0x40/0x70 [ 73.354987] ? __schedule+0x874/0x1ed0 [ 73.358894] ? lock_downgrade+0x900/0x900 [ 73.363055] ? graph_lock+0x270/0x270 [ 73.366894] ? find_held_lock+0x36/0x1c0 [ 73.370983] ? lock_acquire+0x1ed/0x520 [ 73.374964] ? worker_thread+0x3e0/0x1390 [ 73.379119] ? kasan_check_read+0x11/0x20 [ 73.383285] ? do_raw_spin_lock+0x14f/0x350 [ 73.387604] ? kasan_check_read+0x11/0x20 [ 73.391758] ? rwlock_bug.part.2+0x90/0x90 [ 73.395990] ? trace_hardirqs_on+0x310/0x310 [ 73.400400] worker_thread+0x17f/0x1390 [ 73.404384] ? __switch_to_asm+0x34/0x70 [ 73.408450] ? process_one_work+0x1c40/0x1c40 [ 73.412965] ? __sched_text_start+0x8/0x8 [ 73.417105] ? __kthread_parkme+0xce/0x1a0 [ 73.421334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 73.426439] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 73.431574] ? lockdep_hardirqs_on+0x421/0x5c0 [ 73.436161] ? trace_hardirqs_on+0xbd/0x310 [ 73.440483] ? kasan_check_read+0x11/0x20 [ 73.444634] ? __kthread_parkme+0xce/0x1a0 [ 73.448884] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 73.454327] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 73.459426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.465064] ? __kthread_parkme+0xfb/0x1a0 [ 73.469292] ? process_one_work+0x1c40/0x1c40 [ 73.473785] kthread+0x35a/0x440 [ 73.477151] ? kthread_bind+0x40/0x40 [ 73.480939] ret_from_fork+0x3a/0x50 [ 73.486417] Kernel Offset: disabled [ 73.490400] Rebooting in 86400 seconds..