[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.234418] audit: type=1800 audit(1545685124.321:25): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.277588] audit: type=1800 audit(1545685124.331:26): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.298946] audit: type=1800 audit(1545685124.331:27): pid=7930 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 '10.128.15.227' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 52.943041] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 52.951554] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 4.20.0-rc7+ #359 [ 52.958565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.967942] Workqueue: writeback wb_workfn (flush-8:0) [ 52.973220] Call Trace: [ 52.975814] dump_stack+0x1d3/0x2c6 [ 52.979464] ? dump_stack_print_info.cold.1+0x20/0x20 [ 52.984675] panic+0x2ad/0x55c [ 52.987874] ? add_taint.cold.5+0x16/0x16 [ 52.992046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.997590] ? check_preemption_disabled+0x48/0x280 [ 53.002606] ? check_preemption_disabled+0x3a/0x280 [ 53.007629] __schedule+0x1ec6/0x1ed0 [ 53.011466] ? __sched_text_start+0x8/0x8 [ 53.015621] ? graph_lock+0x270/0x270 [ 53.019454] ? mark_held_locks+0xc7/0x130 [ 53.023602] ? total_mapcount+0x2c8/0x940 [ 53.027755] ? preempt_schedule_irq+0x5e/0x110 [ 53.032356] ? preempt_schedule_irq+0x5e/0x110 [ 53.036939] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.041528] ? trace_hardirqs_on+0xbd/0x310 [ 53.045852] ? retint_kernel+0x1b/0x2d [ 53.049746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.055205] ? graph_lock+0x270/0x270 [ 53.059027] preempt_schedule_irq+0x87/0x110 [ 53.063467] retint_kernel+0x1b/0x2d [ 53.067200] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 53.072563] Code: 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 38 94 [ 53.091462] RSP: 0018:ffff8881d94294d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 53.099203] RAX: ffff8881d9422580 RBX: ffff8881bb1a8880 RCX: ffffffff81af1443 [ 53.106474] RDX: 0000000000000000 RSI: ffffffff81af1553 RDI: 0000000000000006 [ 53.113751] RBP: ffff8881d9429510 R08: ffff8881d9422580 R09: fffff94000d7f99e [ 53.121053] R10: fffff94000d7f99e R11: ffffea0006bfccf3 R12: dffffc0000000000 [ 53.128334] R13: 0000000000000014 R14: ffff8881bb1a88d8 R15: 00000000000000db [ 53.135638] ? vma_interval_tree_subtree_search.part.4+0x73/0x1e0 [ 53.141911] ? vma_interval_tree_subtree_search.part.4+0x183/0x1e0 [ 53.148236] ? vma_interval_tree_subtree_search.part.4+0x2a/0x1e0 [ 53.154479] vma_interval_tree_iter_next+0x1c9/0x240 [ 53.159608] ? page_remove_rmap+0x1a30/0x1a30 [ 53.164104] rmap_walk_file+0x886/0x1190 [ 53.168182] ? page_mkclean_one+0x7d0/0x7d0 [ 53.172518] ? page_mkclean_one+0x7d0/0x7d0 [ 53.176844] ? find_held_lock+0x36/0x1c0 [ 53.180922] ? mark_held_locks+0x130/0x130 [ 53.185167] ? print_usage_bug+0xc0/0xc0 [ 53.189235] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.194360] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 53.199466] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.204052] ? kasan_check_read+0x11/0x20 [ 53.208204] ? total_mapcount+0x2c8/0x940 [ 53.212359] ? vma_adjust_trans_huge+0x310/0x310 [ 53.217119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.222664] ? page_mapped+0x366/0x810 [ 53.226571] ? mark_held_locks+0xc7/0x130 [ 53.230723] ? page_mapping+0xa50/0xa50 [ 53.234698] ? free_unref_page_list+0xc0c/0x11e0 [ 53.239458] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.244047] rmap_walk+0x22c/0x350 [ 53.247596] ? page_get_anon_vma+0x6d0/0x6d0 [ 53.252010] ? rmap_walk+0x231/0x350 [ 53.255731] ? page_get_anon_vma+0x6d0/0x6d0 [ 53.260151] try_to_unmap+0x1f3/0xa40 [ 53.263960] ? rmap_walk_locked+0x360/0x360 [ 53.268407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.273963] ? page_remove_rmap+0x1a30/0x1a30 [ 53.278455] ? page_not_mapped+0x20/0x20 [ 53.282519] ? __anon_vma_prepare+0x6c0/0x6c0 [ 53.287018] ? page_referenced+0x2d5/0xaa0 [ 53.291255] ? page_mapping+0xa50/0xa50 [ 53.295245] ? rmap_walk+0x350/0x350 [ 53.298959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 53.304266] ? rcu_softirq_qs+0x20/0x20 [ 53.308263] ? page_mapcount_is_zero+0x30/0x30 [ 53.312853] ? __anon_vma_prepare+0x6c0/0x6c0 [ 53.317375] ? trace_event_raw_event_writeback_sb_inodes_requeue+0x7b0/0x7b0 [ 53.324569] ? ___might_sleep+0x1ed/0x300 [ 53.328739] ? check_preemption_disabled+0x48/0x280 [ 53.333757] ? arch_local_save_flags+0x40/0x40 [ 53.338352] ? count_memcg_events+0x1ac/0x2a0 [ 53.342882] shrink_page_list+0x72b8/0xc620 [ 53.347244] ? page_evictable+0x540/0x540 [ 53.351427] ? rb_erase_cached+0xc78/0x3720 [ 53.355758] ? rb_next+0x140/0x140 [ 53.359316] ? rb_erase_cached+0xc78/0x3720 [ 53.363642] ? rb_next+0x140/0x140 [ 53.367199] ? rb_next+0x140/0x140 [ 53.370767] ? print_usage_bug+0xc0/0xc0 [ 53.374847] ? print_usage_bug+0xc0/0xc0 [ 53.378923] ? check_preemption_disabled+0x48/0x280 [ 53.383949] ? graph_lock+0x270/0x270 [ 53.387768] ? __update_load_avg_blocked_se+0x690/0x690 [ 53.393157] ? __update_load_avg_se+0xae0/0xae0 [ 53.397872] ? graph_lock+0x270/0x270 [ 53.401682] ? graph_lock+0x270/0x270 [ 53.405486] ? rb_erase_cached+0xc78/0x3720 [ 53.409827] ? update_load_avg+0x387/0x2470 [ 53.414156] ? rb_next+0x140/0x140 [ 53.417706] ? __update_load_avg_se+0xae0/0xae0 [ 53.422379] ? graph_lock+0x270/0x270 [ 53.426195] ? update_load_avg+0x387/0x2470 [ 53.430529] ? attach_entity_load_avg+0x860/0x860 [ 53.435387] ? update_load_avg+0x387/0x2470 [ 53.439714] ? update_load_avg+0x387/0x2470 [ 53.444061] ? attach_entity_load_avg+0x860/0x860 [ 53.448914] ? attach_entity_load_avg+0x860/0x860 [ 53.453766] ? rb_erase+0x3710/0x3710 [ 53.457570] ? lock_downgrade+0x900/0x900 [ 53.461737] ? check_preemption_disabled+0x48/0x280 [ 53.466756] ? rb_erase+0x3710/0x3710 [ 53.470557] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 53.475491] ? kasan_check_read+0x11/0x20 [ 53.479639] ? graph_lock+0x270/0x270 [ 53.483454] ? print_usage_bug+0xc0/0xc0 [ 53.487517] ? graph_lock+0x270/0x270 [ 53.491342] ? graph_lock+0x270/0x270 [ 53.495161] ? graph_lock+0x270/0x270 [ 53.498966] ? __lock_is_held+0xb5/0x140 [ 53.503028] ? __update_load_avg_blocked_se+0x690/0x690 [ 53.508393] ? __update_load_avg_se+0xae0/0xae0 [ 53.513063] ? graph_lock+0x270/0x270 [ 53.516873] ? update_load_avg+0x387/0x2470 [ 53.521195] ? __lock_is_held+0xb5/0x140 [ 53.525261] ? attach_entity_load_avg+0x860/0x860 [ 53.530114] ? update_load_avg+0x387/0x2470 [ 53.534446] ? attach_entity_load_avg+0x860/0x860 [ 53.539284] ? set_next_entity+0x2f0/0xaf0 [ 53.543523] ? __lock_acquire+0x62f/0x4c20 [ 53.547767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.553308] ? update_load_avg+0x2470/0x2470 [ 53.557721] ? __enqueue_entity+0x10d/0x1f0 [ 53.562046] ? rb_erase+0x3710/0x3710 [ 53.565858] ? pick_next_task_fair+0xa05/0x1b40 [ 53.570530] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.575548] ? rcu_note_context_switch+0x12ad/0x2150 [ 53.580662] ? rcu_note_context_switch+0x12ad/0x2150 [ 53.585798] ? graph_lock+0x270/0x270 [ 53.589621] ? print_usage_bug+0xc0/0xc0 [ 53.593694] ? print_usage_bug+0xc0/0xc0 [ 53.597760] ? print_usage_bug+0xc0/0xc0 [ 53.601837] ? graph_lock+0x270/0x270 [ 53.605634] ? print_usage_bug+0xc0/0xc0 [ 53.609731] ? graph_lock+0x270/0x270 [ 53.613547] ? find_held_lock+0x36/0x1c0 [ 53.617622] ? __lock_acquire+0x62f/0x4c20 [ 53.621872] ? __lock_acquire+0x62f/0x4c20 [ 53.626121] ? mark_held_locks+0x130/0x130 [ 53.630365] ? mark_held_locks+0x130/0x130 [ 53.634601] ? set_next_entity+0x2f0/0xaf0 [ 53.638838] ? __lock_acquire+0x62f/0x4c20 [ 53.643104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.648709] ? rb_erase_cached+0xc78/0x3720 [ 53.653032] ? __enqueue_entity+0x10d/0x1f0 [ 53.657368] ? rb_next+0x140/0x140 [ 53.660930] ? pick_next_task_fair+0xa05/0x1b40 [ 53.665599] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.670620] ? rcu_note_context_switch+0x12ad/0x2150 [ 53.675740] ? graph_lock+0x270/0x270 [ 53.679564] ? graph_lock+0x270/0x270 [ 53.683369] ? print_usage_bug+0xc0/0xc0 [ 53.687436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 53.692207] ? find_held_lock+0x36/0x1c0 [ 53.696282] ? page_vma_mapped_walk+0x2ec/0x27f0 [ 53.701041] ? lock_downgrade+0x900/0x900 [ 53.705197] ? mark_held_locks+0xc7/0x130 [ 53.709364] ? kasan_check_read+0x11/0x20 [ 53.713527] ? do_raw_spin_unlock+0xa7/0x330 [ 53.717936] ? do_raw_spin_trylock+0x270/0x270 [ 53.722522] ? __ia32_sys_msync+0x510/0x510 [ 53.726856] ? print_usage_bug+0xc0/0xc0 [ 53.730926] ? _raw_spin_unlock+0x2c/0x50 [ 53.735078] ? page_vma_mapped_walk+0x2f1/0x27f0 [ 53.739850] ? kasan_check_write+0x14/0x20 [ 53.744089] ? graph_lock+0x270/0x270 [ 53.747902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.753441] ? __isolate_lru_page+0xd05/0x1540 [ 53.758029] ? graph_lock+0x270/0x270 [ 53.761845] ? __sched_text_start+0x8/0x8 [ 53.766004] ? attach_entity_load_avg+0x860/0x860 [ 53.770856] ? update_load_avg+0x387/0x2470 [ 53.775182] ? lock_downgrade+0x900/0x900 [ 53.779347] ? page_referenced_one+0x5aa/0x840 [ 53.783948] ? graph_lock+0x270/0x270 [ 53.787755] ? graph_lock+0x270/0x270 [ 53.791559] ? print_usage_bug+0xc0/0xc0 [ 53.795624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.801182] ? check_preemption_disabled+0x48/0x280 [ 53.806209] ? trace_hardirqs_off+0xb8/0x310 [ 53.810627] ? trace_hardirqs_on+0x310/0x310 [ 53.815052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.820594] ? check_preemption_disabled+0x48/0x280 [ 53.825618] ? count_memcg_events+0x1ac/0x2a0 [ 53.830145] ? move_active_pages_to_lru+0x1461/0x19b0 [ 53.835364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.840903] ? __isolate_lru_page+0xd05/0x1540 [ 53.845495] ? putback_lru_page+0x280/0x280 [ 53.849835] ? mark_held_locks+0x130/0x130 [ 53.854115] ? mark_held_locks+0xc7/0x130 [ 53.858264] ? __lock_is_held+0xb5/0x140 [ 53.862330] ? free_unref_page_list+0xc0c/0x11e0 [ 53.867089] ? free_unref_page_list+0xc0c/0x11e0 [ 53.871849] ? trace_hardirqs_on+0xbd/0x310 [ 53.876182] ? shrink_active_list+0x14f4/0x1f00 [ 53.880855] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.886307] ? graph_lock+0x270/0x270 [ 53.890106] ? update_load_avg+0x2470/0x2470 [ 53.894537] ? graph_lock+0x270/0x270 [ 53.898348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.903887] ? check_preemption_disabled+0x48/0x280 [ 53.908938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.914473] ? check_preemption_disabled+0x48/0x280 [ 53.919508] ? __lock_is_held+0xb5/0x140 [ 53.923605] ? __this_cpu_preempt_check+0x1c/0x20 [ 53.928452] ? __mod_zone_page_state+0x8a/0xf0 [ 53.933042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.938585] ? isolate_lru_pages.isra.57+0xc7d/0x19e0 [ 53.943800] ? __isolate_lru_page+0x1540/0x1540 [ 53.948503] ? shrink_inactive_list+0x1c60/0x1c60 [ 53.953345] ? trace_hardirqs_on+0xbd/0x310 [ 53.957716] ? preempt_notifier_register+0x200/0x200 [ 53.962814] ? shrink_inactive_list+0xa4a/0x1c60 [ 53.967578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.973037] ? __switch_to_asm+0x40/0x70 [ 53.977104] ? __switch_to_asm+0x34/0x70 [ 53.981174] ? __switch_to_asm+0x40/0x70 [ 53.985238] ? __switch_to_asm+0x34/0x70 [ 53.989302] ? __switch_to_asm+0x34/0x70 [ 53.993367] ? __switch_to_asm+0x40/0x70 [ 53.997443] ? graph_lock+0x270/0x270 [ 54.001250] ? print_usage_bug+0xc0/0xc0 [ 54.005312] ? __sched_text_start+0x8/0x8 [ 54.009465] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.014083] ? find_held_lock+0x36/0x1c0 [ 54.018155] ? mark_held_locks+0xc7/0x130 [ 54.022309] ? _raw_spin_unlock_irq+0x27/0x80 [ 54.026805] ? _raw_spin_unlock_irq+0x27/0x80 [ 54.031314] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.035916] ? trace_hardirqs_on+0xbd/0x310 [ 54.040236] ? kasan_check_read+0x11/0x20 [ 54.044385] ? shrink_inactive_list+0x741/0x1c60 [ 54.049146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.054607] ? trace_hardirqs_on+0x310/0x310 [ 54.059020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.064563] ? check_preemption_disabled+0x48/0x280 [ 54.069594] shrink_inactive_list+0x77b/0x1c60 [ 54.074198] ? putback_inactive_pages+0x27e0/0x27e0 [ 54.079221] ? inactive_list_is_low+0x305/0x880 [ 54.083895] ? __lock_is_held+0xb5/0x140 [ 54.087966] ? ___might_sleep+0x1ed/0x300 [ 54.092121] ? arch_local_save_flags+0x40/0x40 [ 54.096721] shrink_node_memcg+0x78b/0x18f0 [ 54.101042] ? shrink_slab+0x207/0x8c0 [ 54.104947] ? shrink_active_list+0x1f00/0x1f00 [ 54.109636] ? mem_cgroup_from_id+0x30/0x30 [ 54.113973] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 54.119623] ? print_usage_bug+0xc0/0xc0 [ 54.123724] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 54.128924] shrink_node+0x3bc/0x16b0 [ 54.132728] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 54.138073] ? shrink_node_memcg+0x18f0/0x18f0 [ 54.142667] ? kvm_clock_read+0x18/0x30 [ 54.146668] ? ktime_get+0x2c1/0x400 [ 54.150391] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 54.154893] ? blk_mq_dequeue_from_ctx+0xa70/0xa70 [ 54.159836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.165390] ? vmpressure+0x1a2/0x340 [ 54.169218] do_try_to_free_pages+0x3df/0x1290 [ 54.173801] ? graph_lock+0x270/0x270 [ 54.177621] ? shrink_node+0x16b0/0x16b0 [ 54.181699] ? __lock_is_held+0xb5/0x140 [ 54.185777] try_to_free_pages+0x4d0/0xb90 [ 54.190032] ? do_try_to_free_pages+0x1290/0x1290 [ 54.194883] ? kasan_check_read+0x11/0x20 [ 54.199060] ? psi_memstall_enter+0x24f/0x2c0 [ 54.203577] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.209029] ? lock_repin_lock+0x430/0x430 [ 54.213273] ? _raw_spin_unlock_irq+0x60/0x80 [ 54.217772] ? psi_memstall_enter+0x24f/0x2c0 [ 54.222274] ? psi_memstall_tick+0x230/0x230 [ 54.226710] __alloc_pages_slowpath+0xa48/0x2df0 [ 54.231496] ? warn_alloc+0x120/0x120 [ 54.235302] ? warn_alloc+0x120/0x120 [ 54.239109] ? warn_alloc+0x120/0x120 [ 54.242911] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.248452] ? blk_mq_do_dispatch_sched+0x443/0x580 [ 54.253478] ? print_usage_bug+0xc0/0xc0 [ 54.257539] ? blk_mq_do_dispatch_ctx+0x6d0/0x6d0 [ 54.262405] ? find_held_lock+0x36/0x1c0 [ 54.266483] ? graph_lock+0x270/0x270 [ 54.270290] ? hctx_unlock+0xde/0x150 [ 54.274102] ? __lock_is_held+0xb5/0x140 [ 54.278171] ? __lock_acquire+0x62f/0x4c20 [ 54.282412] ? graph_lock+0x270/0x270 [ 54.286215] ? ___might_sleep+0x1ed/0x300 [ 54.290367] ? arch_local_save_flags+0x40/0x40 [ 54.294957] ? check_preemption_disabled+0x48/0x280 [ 54.300033] ? __might_sleep+0x95/0x190 [ 54.304044] __alloc_pages_nodemask+0xad8/0xea0 [ 54.308729] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 54.313758] ? mark_held_locks+0xc7/0x130 [ 54.317919] ? cache_grow_begin+0x5a4/0x8c0 [ 54.322246] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.326828] ? trace_hardirqs_on+0xbd/0x310 [ 54.331148] ? fallback_alloc+0x203/0x2e0 [ 54.335317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.340765] ? ____cache_alloc_node+0x16b/0x1e0 [ 54.345432] ? lock_downgrade+0x900/0x900 [ 54.349576] ? graph_lock+0x270/0x270 [ 54.353381] cache_grow_begin+0x91/0x8c0 [ 54.357440] ? do_raw_spin_unlock+0xa7/0x330 [ 54.361862] fallback_alloc+0x203/0x2e0 [ 54.365844] ____cache_alloc_node+0x1c7/0x1e0 [ 54.370373] kmem_cache_alloc+0x1f8/0x730 [ 54.374538] ? mempool_free+0x370/0x370 [ 54.378513] mempool_alloc_slab+0x44/0x60 [ 54.382668] mempool_alloc+0x193/0x4a0 [ 54.386564] ? mempool_destroy+0x30/0x30 [ 54.390630] ? blk_account_io_start+0x486/0xf90 [ 54.395309] ? lock_downgrade+0x900/0x900 [ 54.399926] ? check_preemption_disabled+0x48/0x280 [ 54.404964] bio_alloc_bioset+0x3a8/0x700 [ 54.409119] ? bvec_alloc+0x2d0/0x2d0 [ 54.412934] bio_clone_fast+0x26/0x110 [ 54.416826] bio_split+0x86/0x260 [ 54.420284] blk_queue_split+0xa22/0x20f0 [ 54.424465] ? blk_queue_bounce+0x126/0x292a [ 54.428891] ? blk_recount_segments+0x9e0/0x9e0 [ 54.433577] ? graph_lock+0x270/0x270 [ 54.437388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.442928] ? check_preemption_disabled+0x48/0x280 [ 54.447956] ? __lock_is_held+0xb5/0x140 [ 54.452031] blk_mq_make_request+0x2e9/0x2590 [ 54.456535] ? blk_mq_try_issue_directly+0x1e0/0x1e0 [ 54.461640] ? graph_lock+0x270/0x270 [ 54.465468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.471035] ? check_preemption_disabled+0x48/0x280 [ 54.476078] ? __lock_is_held+0xb5/0x140 [ 54.480152] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.485702] ? generic_make_request_checks+0x5fb/0x26c0 [ 54.491103] ? blk_queue_bypass_end+0x210/0x210 [ 54.495775] ? find_held_lock+0x36/0x1c0 [ 54.499850] ? __unlock_page_memcg+0x53/0x100 [ 54.504352] ? lock_downgrade+0x900/0x900 [ 54.508507] ? check_preemption_disabled+0x48/0x280 [ 54.513530] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 54.518458] ? kasan_check_read+0x11/0x20 [ 54.522605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 54.527882] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.532468] ? rcu_softirq_qs+0x20/0x20 [ 54.536439] ? trace_hardirqs_on+0xbd/0x310 [ 54.540795] ? ext4_bio_write_page+0x505/0x19c3 [ 54.545471] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.550932] ? __unlock_page_memcg+0x70/0x100 [ 54.555443] ? unlock_page_memcg+0x2c/0x40 [ 54.559683] ? __test_set_page_writeback+0x386/0x1f30 [ 54.564877] ? wait_for_stable_page+0x570/0x570 [ 54.569556] generic_make_request+0x9be/0x15a0 [ 54.574149] ? blk_get_request+0x4e0/0x4e0 [ 54.578396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.583933] ? page_mapping+0x5a2/0xa50 [ 54.587919] ? find_held_lock+0x36/0x1c0 [ 54.591987] ? clear_page_dirty_for_io+0xa1a/0x1900 [ 54.597007] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 54.601948] submit_bio+0xba/0x460 [ 54.605518] ? submit_bio+0xba/0x460 [ 54.609241] ? generic_make_request+0x15a0/0x15a0 [ 54.614092] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 54.619628] ? __bio_try_merge_page+0x113/0x240 [ 54.624312] ext4_io_submit+0x197/0x230 [ 54.628305] ext4_bio_write_page+0xb4d/0x19c3 [ 54.632812] ? ext4_io_submit_init+0x90/0x90 [ 54.637227] ? ext4_es_free_extent+0x790/0x790 [ 54.641824] ? find_held_lock+0x36/0x1c0 [ 54.645899] ? lock_downgrade+0x900/0x900 [ 54.650049] ? ext4_es_insert_extent+0x491/0xbd0 [ 54.654808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.660348] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.665890] mpage_submit_page+0x15e/0x270 [ 54.670137] mpage_map_and_submit_buffers+0x55e/0xa40 [ 54.675357] ? mpage_process_page_bufs+0x600/0x600 [ 54.680304] ? ext4_map_blocks+0x429/0x1b60 [ 54.684626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.690208] ext4_writepages+0x2720/0x4180 [ 54.694473] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 54.699236] ? __lock_acquire+0x62f/0x4c20 [ 54.703480] ? rcu_note_context_switch+0x12ad/0x2150 [ 54.708603] ? __lock_acquire+0x62f/0x4c20 [ 54.712850] ? print_usage_bug+0xc0/0xc0 [ 54.716924] ? __lock_acquire+0x62f/0x4c20 [ 54.721161] ? mark_held_locks+0x130/0x130 [ 54.725419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.730958] ? __ext4_get_inode_loc+0x470/0x1330 [ 54.735731] ? _raw_spin_unlock_irq+0x27/0x80 [ 54.740239] ? mark_held_locks+0x130/0x130 [ 54.744494] ? graph_lock+0x270/0x270 [ 54.748316] ? kasan_check_write+0x14/0x20 [ 54.752550] ? __brelse+0x104/0x180 [ 54.756199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.761737] ? check_preemption_disabled+0x48/0x280 [ 54.766762] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 54.771531] do_writepages+0x9a/0x1a0 [ 54.775333] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 54.780085] ? do_writepages+0x9a/0x1a0 [ 54.784069] __writeback_single_inode+0x20a/0x1660 [ 54.789010] ? __mark_inode_dirty+0x1510/0x1510 [ 54.793690] ? do_raw_spin_unlock+0xa7/0x330 [ 54.798102] ? do_raw_spin_trylock+0x270/0x270 [ 54.802713] ? find_held_lock+0x36/0x1c0 [ 54.806785] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 54.812070] ? lock_downgrade+0x900/0x900 [ 54.816223] ? find_held_lock+0x13f/0x1c0 [ 54.820392] ? kasan_check_read+0x11/0x20 [ 54.824540] ? do_raw_spin_unlock+0xa7/0x330 [ 54.828952] ? do_raw_spin_trylock+0x270/0x270 [ 54.833538] ? __lock_is_held+0xb5/0x140 [ 54.837613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.843151] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 54.848455] ? __writeback_single_inode+0x1660/0x1660 [ 54.853663] writeback_sb_inodes+0x71f/0x1210 [ 54.858183] ? wbc_detach_inode+0x940/0x940 [ 54.862510] ? lock_release+0xa00/0xa00 [ 54.866499] ? down_read_trylock+0xda/0x140 [ 54.870826] ? trylock_super+0x22/0x110 [ 54.874800] ? downgrade_write+0x270/0x270 [ 54.879040] ? up_read_non_owner+0x100/0x100 [ 54.883451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.888995] __writeback_inodes_wb+0x1b9/0x340 [ 54.893587] ? writeback_sb_inodes+0x1210/0x1210 [ 54.898350] ? __lock_is_held+0xb5/0x140 [ 54.902423] wb_writeback+0xa73/0xfc0 [ 54.906231] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 54.911949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 54.916983] ? wb_over_bg_thresh+0x88c/0xcb0 [ 54.921398] ? wb_update_bandwidth+0x1e0/0x1e0 [ 54.925985] ? print_usage_bug+0xc0/0xc0 [ 54.930048] ? string+0x225/0x2d0 [ 54.933525] ? widen_string+0x2e0/0x2e0 [ 54.937508] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 54.942526] ? find_next_bit+0x104/0x130 [ 54.946645] ? cpumask_next+0x41/0x50 [ 54.950457] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 54.955482] ? inode_sleep_on_writeback+0x240/0x240 [ 54.960501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.966039] ? check_preemption_disabled+0x48/0x280 [ 54.971053] ? wb_workfn+0x521/0x1790 [ 54.974852] ? wb_workfn+0x521/0x1790 [ 54.978681] ? __local_bh_enable_ip+0x160/0x260 [ 54.983359] wb_workfn+0xd65/0x1790 [ 54.986992] ? __lock_acquire+0x62f/0x4c20 [ 54.991234] ? inode_wait_for_writeback+0x40/0x40 [ 54.996087] ? set_next_entity+0x2f0/0xaf0 [ 55.000336] ? graph_lock+0x270/0x270 [ 55.004150] ? pick_next_task_fair+0xa05/0x1b40 [ 55.008834] ? graph_lock+0x270/0x270 [ 55.012675] ? debug_object_deactivate+0x2eb/0x450 [ 55.017623] ? lock_downgrade+0x900/0x900 [ 55.021789] ? find_held_lock+0x36/0x1c0 [ 55.025860] ? graph_lock+0x270/0x270 [ 55.029675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.035247] ? check_preemption_disabled+0x48/0x280 [ 55.040274] ? __lock_is_held+0xb5/0x140 [ 55.044380] process_one_work+0xc90/0x1c40 [ 55.048617] ? mark_held_locks+0x130/0x130 [ 55.052868] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 55.057537] ? __switch_to_asm+0x40/0x70 [ 55.061596] ? __switch_to_asm+0x34/0x70 [ 55.065664] ? __switch_to_asm+0x40/0x70 [ 55.069724] ? __switch_to_asm+0x34/0x70 [ 55.073783] ? __switch_to_asm+0x40/0x70 [ 55.077846] ? __switch_to_asm+0x34/0x70 [ 55.081907] ? __switch_to_asm+0x40/0x70 [ 55.085969] ? __switch_to_asm+0x34/0x70 [ 55.090032] ? __switch_to_asm+0x40/0x70 [ 55.094116] ? __schedule+0x874/0x1ed0 [ 55.098021] ? graph_lock+0x270/0x270 [ 55.101830] ? lock_downgrade+0x900/0x900 [ 55.105990] ? kasan_check_read+0x11/0x20 [ 55.110138] ? do_raw_spin_unlock+0xa7/0x330 [ 55.114578] ? lock_acquire+0x1ed/0x520 [ 55.118563] ? worker_thread+0x3e0/0x1390 [ 55.122716] ? kasan_check_read+0x11/0x20 [ 55.126867] ? do_raw_spin_lock+0x14f/0x350 [ 55.131193] ? kasan_check_read+0x11/0x20 [ 55.135345] ? rwlock_bug.part.2+0x90/0x90 [ 55.139603] ? trace_hardirqs_on+0x310/0x310 [ 55.144027] worker_thread+0x17f/0x1390 [ 55.148007] ? __switch_to_asm+0x34/0x70 [ 55.152087] ? process_one_work+0x1c40/0x1c40 [ 55.156595] ? __sched_text_start+0x8/0x8 [ 55.160766] ? __kthread_parkme+0xce/0x1a0 [ 55.165008] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 55.170112] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 55.175216] ? lockdep_hardirqs_on+0x421/0x5c0 [ 55.179800] ? trace_hardirqs_on+0xbd/0x310 [ 55.184136] ? kasan_check_read+0x11/0x20 [ 55.188293] ? __kthread_parkme+0xce/0x1a0 [ 55.192529] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 55.197999] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 55.203137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.208699] ? __kthread_parkme+0xfb/0x1a0 [ 55.212937] ? process_one_work+0x1c40/0x1c40 [ 55.217446] kthread+0x35a/0x440 [ 55.220814] ? kthread_bind+0x40/0x40 [ 55.224621] ret_from_fork+0x3a/0x50 [ 55.229561] Kernel Offset: disabled [ 55.233463] Rebooting in 86400 seconds..