[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[   37.836282] audit: type=1800 audit(1545690049.345:25): pid=7607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[   37.874154] audit: type=1800 audit(1545690049.345:26): pid=7607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[   37.895556] audit: type=1800 audit(1545690049.355:27): pid=7607 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 '10.128.10.2' (ECDSA) to the list of known hosts.
syzkaller login: [  373.512408] IPVS: ftp: loaded support on port[0] = 21
[  373.512415] IPVS: ftp: loaded support on port[0] = 21
[  373.522850] IPVS: ftp: loaded support on port[0] = 21
[  373.526671] IPVS: ftp: loaded support on port[0] = 21
[  373.530584] IPVS: ftp: loaded support on port[0] = 21
[  373.537820] IPVS: ftp: loaded support on port[0] = 21
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
[  375.715190] Kernel panic - not syncing: corrupted stack end detected inside scheduler
[  375.723764] CPU: 0 PID: 90 Comm: kworker/u4:3 Not tainted 4.20.0-rc7+ #359
[  375.730801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.740271] Workqueue: writeback wb_workfn (flush-8:0)
[  375.745627] Call Trace:
[  375.748261]  dump_stack+0x1d3/0x2c6
[  375.751908]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.757163]  panic+0x2ad/0x55c
[  375.760372]  ? add_taint.cold.5+0x16/0x16
[  375.764597]  ? graph_lock+0x270/0x270
[  375.768464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.774079]  ? check_preemption_disabled+0x48/0x280
[  375.779114]  ? check_preemption_disabled+0x3a/0x280
[  375.784189]  __schedule+0x1ec6/0x1ed0
[  375.788010]  ? graph_lock+0x270/0x270
[  375.791826]  ? __sched_text_start+0x8/0x8
[  375.795979]  ? find_held_lock+0x36/0x1c0
[  375.800105]  ? page_vma_mapped_walk+0x2ec/0x27f0
[  375.804886]  ? lock_downgrade+0x900/0x900
[  375.809037]  ? preempt_schedule+0x4d/0x60
[  375.813202]  preempt_schedule_common+0x1f/0xe0
[  375.817784]  preempt_schedule+0x4d/0x60
[  375.821781]  ___preempt_schedule+0x16/0x18
[  375.826034]  _raw_spin_unlock+0x3f/0x50
[  375.830015]  page_vma_mapped_walk+0x2ec/0x27f0
[  375.834604]  ? check_pte+0x5a0/0x5a0
[  375.838317]  ? cpumask_next+0x41/0x50
[  375.842132]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.847141]  ? cpumask_any_but+0xb1/0xe0
[  375.851231]  ? flush_tlb_mm_range+0x2d4/0x5e0
[  375.855741]  ? lockdep_hardirqs_on+0x421/0x5c0
[  375.860322]  ? retint_kernel+0x2d/0x2d
[  375.864220]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.869141]  ? native_flush_tlb_others+0x690/0x690
[  375.874060]  ? trace_hardirqs_off+0x310/0x310
[  375.878574]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.883323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.888884]  ? PageHuge+0x183/0x2b0
[  375.892508]  ? vma_kernel_pagesize+0xb0/0xb0
[  375.896920]  ? ptep_clear_flush+0xe3/0x250
[  375.901175]  ? pmd_clear_bad+0x150/0x150
[  375.905225]  ? cpumask_next+0x41/0x50
[  375.909023]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.914043]  ? cpumask_any_but+0xb1/0xe0
[  375.918107]  try_to_unmap_one+0x6d0/0x3b60
[  375.922340]  ? page_remove_rmap+0x1a30/0x1a30
[  375.926875]  ? lockdep_hardirqs_on+0x421/0x5c0
[  375.931455]  ? trace_hardirqs_on+0xbd/0x310
[  375.935783]  ? mark_held_locks+0x130/0x130
[  375.940018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.945577]  ? finish_task_switch+0x1f4/0x910
[  375.950063]  ? finish_task_switch+0x1b4/0x910
[  375.954552]  ? __switch_to_asm+0x34/0x70
[  375.958609]  ? preempt_notifier_register+0x200/0x200
[  375.963704]  ? __switch_to_asm+0x34/0x70
[  375.967766]  ? __switch_to_asm+0x34/0x70
[  375.971812]  ? __switch_to_asm+0x40/0x70
[  375.975860]  ? __switch_to_asm+0x34/0x70
[  375.979915]  ? __switch_to_asm+0x40/0x70
[  375.983984]  ? __switch_to_asm+0x34/0x70
[  375.988046]  ? __switch_to_asm+0x40/0x70
[  375.992104]  ? __switch_to_asm+0x34/0x70
[  375.996160]  ? __switch_to_asm+0x40/0x70
[  376.000230]  ? print_usage_bug+0xc0/0xc0
[  376.004317]  ? __switch_to_asm+0x40/0x70
[  376.008374]  ? __switch_to_asm+0x34/0x70
[  376.012422]  ? __switch_to_asm+0x40/0x70
[  376.016474]  ? print_usage_bug+0xc0/0xc0
[  376.020517]  ? __schedule+0x874/0x1ed0
[  376.024412]  ? graph_lock+0x270/0x270
[  376.028202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.033750]  ? page_mapped+0x366/0x810
[  376.037630]  ? __lock_acquire+0x62f/0x4c20
[  376.041856]  ? find_held_lock+0x36/0x1c0
[  376.045913]  ? mark_held_locks+0x130/0x130
[  376.050157]  ? kasan_check_read+0x11/0x20
[  376.054291]  ? do_raw_spin_unlock+0xa7/0x330
[  376.058688]  ? do_raw_spin_trylock+0x270/0x270
[  376.063269]  ? __ia32_sys_msync+0x510/0x510
[  376.067627]  ? _raw_spin_unlock+0x2c/0x50
[  376.071776]  ? page_vma_mapped_walk+0x2f1/0x27f0
[  376.076520]  ? check_pte+0x5a0/0x5a0
[  376.080235]  ? __sanitizer_cov_trace_cmp1+0x17/0x20
[  376.085276]  ? total_mapcount+0x2c8/0x940
[  376.089429]  ? graph_lock+0x270/0x270
[  376.093219]  ? vma_adjust_trans_huge+0x310/0x310
[  376.097959]  ? graph_lock+0x270/0x270
[  376.101763]  ? graph_lock+0x270/0x270
[  376.105593]  ? lock_acquire+0x1ed/0x520
[  376.109573]  ? rmap_walk_file+0xa7e/0x1190
[  376.113801]  ? __lock_is_held+0xb5/0x140
[  376.117853]  ? ___might_sleep+0x1ed/0x300
[  376.121987]  ? arch_local_save_flags+0x40/0x40
[  376.126572]  ? vma_interval_tree_iter_next+0xf7/0x240
[  376.131749]  ? page_remove_rmap+0x1a30/0x1a30
[  376.136231]  rmap_walk_file+0x80a/0x1190
[  376.140299]  ? page_mkclean_one+0x7d0/0x7d0
[  376.144618]  ? page_mkclean_one+0x7d0/0x7d0
[  376.148928]  ? trace_hardirqs_on+0xbd/0x310
[  376.153264]  ? __remove_mapping+0x932/0x1af0
[  376.157663]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.163119]  ? mark_held_locks+0x130/0x130
[  376.167356]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.172444]  ? __remove_mapping+0xb19/0x1af0
[  376.176839]  ? kasan_check_read+0x11/0x20
[  376.180994]  ? total_mapcount+0x2c8/0x940
[  376.185162]  ? vma_adjust_trans_huge+0x310/0x310
[  376.189910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.195443]  ? page_mapped+0x366/0x810
[  376.199331]  ? mark_held_locks+0xc7/0x130
[  376.203476]  ? page_mapping+0xa50/0xa50
[  376.207458]  ? free_unref_page_list+0xc0c/0x11e0
[  376.212204]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.216803]  rmap_walk+0x22c/0x350
[  376.220353]  ? page_get_anon_vma+0x6d0/0x6d0
[  376.224749]  ? rmap_walk+0x231/0x350
[  376.228466]  ? page_get_anon_vma+0x6d0/0x6d0
[  376.232972]  try_to_unmap+0x1f3/0xa40
[  376.236763]  ? rmap_walk_locked+0x360/0x360
[  376.241086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.246638]  ? page_remove_rmap+0x1a30/0x1a30
[  376.251120]  ? page_not_mapped+0x20/0x20
[  376.255168]  ? __anon_vma_prepare+0x6c0/0x6c0
[  376.259671]  ? page_referenced+0x2d5/0xaa0
[  376.263919]  ? page_mapping+0xa50/0xa50
[  376.267893]  ? rmap_walk+0x350/0x350
[  376.271591]  ? kasan_check_read+0x11/0x20
[  376.275760]  ? rcu_softirq_qs+0x20/0x20
[  376.279739]  ? page_mapcount_is_zero+0x30/0x30
[  376.284335]  ? __anon_vma_prepare+0x6c0/0x6c0
[  376.288846]  ? page_evictable+0x305/0x540
[  376.293018]  ? kswapd_stop+0x100/0x100
[  376.296925]  ? ___might_sleep+0x1ed/0x300
[  376.301097]  ? arch_local_save_flags+0x40/0x40
[  376.305672]  shrink_page_list+0x72b8/0xc620
[  376.309993]  ? page_evictable+0x540/0x540
[  376.314126]  ? page_vma_mapped_walk+0x2f1/0x27f0
[  376.318871]  ? __sanitizer_cov_trace_cmp2+0x10/0x20
[  376.323885]  ? rb_erase_cached+0xc78/0x3720
[  376.328211]  ? rb_next+0x140/0x140
[  376.331736]  ? graph_lock+0x270/0x270
[  376.335526]  ? total_mapcount+0x2c8/0x940
[  376.339701]  ? __lock_acquire+0x62f/0x4c20
[  376.343953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.349478]  ? llist_add_batch+0x106/0x170
[  376.353703]  ? llist_reverse_order+0x70/0x70
[  376.358125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.363689]  ? x2apic_send_IPI+0xbf/0x110
[  376.367903]  ? generic_exec_single+0x1f0/0x5f0
[  376.372489]  ? smp_call_on_cpu+0x560/0x560
[  376.376710]  ? page_remove_rmap+0x1a30/0x1a30
[  376.381196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.386722]  ? graph_lock+0x270/0x270
[  376.390510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.396035]  ? smp_call_function_single+0x2df/0x660
[  376.401043]  ? __update_load_avg_blocked_se+0x690/0x690
[  376.406396]  ? __update_load_avg_se+0xae0/0xae0
[  376.411073]  ? graph_lock+0x270/0x270
[  376.414884]  ? update_load_avg+0x387/0x2470
[  376.419195]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.424287]  ? attach_entity_load_avg+0x860/0x860
[  376.429119]  ? update_load_avg+0x387/0x2470
[  376.433442]  ? mark_held_locks+0xc7/0x130
[  376.437599]  ? attach_entity_load_avg+0x860/0x860
[  376.442442]  ? free_unref_page_list+0xc0c/0x11e0
[  376.447186]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.451757]  ? shrink_page_list+0x6d2b/0xc620
[  376.456248]  ? rb_erase+0x3710/0x3710
[  376.460046]  ? lock_pin_lock+0x350/0x350
[  376.464124]  ? __page_frag_cache_drain+0x210/0x210
[  376.469049]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.473634]  ? check_usage+0x1aa/0x790
[  376.477604]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.483045]  ? print_usage_bug+0xc0/0xc0
[  376.487106]  ? graph_lock+0x270/0x270
[  376.490908]  ? check_usage_forwards+0x3d0/0x3d0
[  376.495572]  ? cpumask_next+0x41/0x50
[  376.499358]  ? __bfs+0x385/0x7a0
[  376.502747]  ? graph_lock+0x270/0x270
[  376.506562]  ? __lock_is_held+0xb5/0x140
[  376.510635]  ? __lock_acquire+0x62f/0x4c20
[  376.514875]  ? print_usage_bug+0xc0/0xc0
[  376.518933]  ? __lock_is_held+0xb5/0x140
[  376.522981]  ? __account_cfs_rq_runtime+0x790/0x790
[  376.527987]  ? mark_held_locks+0x130/0x130
[  376.532212]  ? set_next_entity+0x2f0/0xaf0
[  376.536430]  ? __lock_acquire+0x282a/0x4c20
[  376.540744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.546273]  ? __lock_acquire+0x62f/0x4c20
[  376.550526]  ? mark_held_locks+0x130/0x130
[  376.554773]  ? rcu_note_context_switch+0x12ad/0x2150
[  376.559885]  ? print_usage_bug+0xc0/0xc0
[  376.563936]  ? rb_next+0x140/0x140
[  376.567497]  ? mark_held_locks+0xc7/0x130
[  376.571647]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.576142]  ? graph_lock+0x270/0x270
[  376.579936]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.584512]  ? trace_hardirqs_on+0xbd/0x310
[  376.588842]  ? kasan_check_read+0x11/0x20
[  376.593041]  ? finish_task_switch+0x1f4/0x910
[  376.597557]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.603032]  ? compat_start_thread+0x80/0x80
[  376.607434]  ? find_held_lock+0x36/0x1c0
[  376.611489]  ? page_vma_mapped_walk+0x2ec/0x27f0
[  376.616241]  ? lock_downgrade+0x900/0x900
[  376.620398]  ? __switch_to_asm+0x34/0x70
[  376.624448]  ? kasan_check_read+0x11/0x20
[  376.628590]  ? do_raw_spin_unlock+0xa7/0x330
[  376.632998]  ? do_raw_spin_trylock+0x270/0x270
[  376.637589]  ? __ia32_sys_msync+0x510/0x510
[  376.641908]  ? __schedule+0x874/0x1ed0
[  376.645781]  ? print_usage_bug+0xc0/0xc0
[  376.649829]  ? _raw_spin_unlock+0x2c/0x50
[  376.653978]  ? page_vma_mapped_walk+0x2f1/0x27f0
[  376.658741]  ? __lock_acquire+0x62f/0x4c20
[  376.662972]  ? __isolate_lru_page+0xd05/0x1540
[  376.667571]  ? rb_erase_cached+0xc78/0x3720
[  376.671884]  ? rb_next+0x140/0x140
[  376.675418]  ? rb_next+0x140/0x140
[  376.678953]  ? lock_downgrade+0x900/0x900
[  376.683096]  ? page_referenced_one+0x5aa/0x840
[  376.687676]  ? graph_lock+0x270/0x270
[  376.691476]  ? kasan_check_write+0x14/0x20
[  376.695695]  ? up_read+0x225/0x2c0
[  376.699223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.704760]  ? page_mapping+0x5a2/0xa50
[  376.708721]  ? rb_next+0x140/0x140
[  376.712250]  ? print_usage_bug+0xc0/0xc0
[  376.716315]  ? print_usage_bug+0xc0/0xc0
[  376.720373]  ? check_preemption_disabled+0x48/0x280
[  376.725389]  ? rcu_read_unlock_special+0x1d0/0x1d0
[  376.730328]  ? kasan_check_read+0x11/0x20
[  376.734487]  ? graph_lock+0x270/0x270
[  376.738289]  ? __lock_acquire+0x62f/0x4c20
[  376.742520]  ? graph_lock+0x270/0x270
[  376.746337]  ? __update_load_avg_blocked_se+0x690/0x690
[  376.751721]  ? mark_held_locks+0x130/0x130
[  376.755958]  ? update_load_avg+0x387/0x2470
[  376.760304]  ? attach_entity_load_avg+0x860/0x860
[  376.765150]  ? update_load_avg+0x387/0x2470
[  376.769462]  ? attach_entity_load_avg+0x860/0x860
[  376.774295]  ? graph_lock+0x270/0x270
[  376.778081]  ? lock_pin_lock+0x350/0x350
[  376.782125]  ? __update_load_avg_blocked_se+0x690/0x690
[  376.787472]  ? graph_lock+0x270/0x270
[  376.791257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.796780]  ? page_mapping+0x5a2/0xa50
[  376.800746]  ? find_held_lock+0x36/0x1c0
[  376.804803]  ? print_usage_bug+0xc0/0xc0
[  376.808849]  ? lock_downgrade+0x900/0x900
[  376.812995]  ? check_preemption_disabled+0x48/0x280
[  376.818043]  ? rcu_read_unlock_special+0x1d0/0x1d0
[  376.822964]  ? kasan_check_read+0x11/0x20
[  376.827101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.832633]  ? __isolate_lru_page+0xd05/0x1540
[  376.837218]  ? putback_lru_page+0x280/0x280
[  376.841525]  ? __lock_acquire+0x62f/0x4c20
[  376.845759]  ? page_evictable+0x305/0x540
[  376.849906]  ? kswapd_stop+0x100/0x100
[  376.853778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.859306]  ? mark_held_locks+0x130/0x130
[  376.863528]  ? __lock_acquire+0x62f/0x4c20
[  376.867776]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.873326]  ? putback_inactive_pages+0x1eb3/0x27e0
[  376.878349]  ? mark_held_locks+0x130/0x130
[  376.882590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.888133]  ? update_load_avg+0x2470/0x2470
[  376.892561]  ? graph_lock+0x270/0x270
[  376.896365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.901891]  ? check_preemption_disabled+0x48/0x280
[  376.906912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.912450]  ? check_preemption_disabled+0x48/0x280
[  376.917453]  ? __lock_is_held+0xb5/0x140
[  376.921517]  ? __this_cpu_preempt_check+0x1c/0x20
[  376.926395]  ? __mod_zone_page_state+0x8a/0xf0
[  376.930972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.936504]  ? isolate_lru_pages.isra.57+0xc7d/0x19e0
[  376.941712]  ? __isolate_lru_page+0x1540/0x1540
[  376.946394]  ? print_usage_bug+0xc0/0xc0
[  376.950471]  ? __lock_is_held+0xb5/0x140
[  376.954563]  ? __lock_acquire+0x62f/0x4c20
[  376.958799]  ? graph_lock+0x270/0x270
[  376.962590]  ? print_usage_bug+0xc0/0xc0
[  376.966653]  ? find_held_lock+0x36/0x1c0
[  376.970706]  ? mark_held_locks+0xc7/0x130
[  376.974859]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.979357]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.983840]  ? lockdep_hardirqs_on+0x421/0x5c0
[  376.988427]  ? trace_hardirqs_on+0xbd/0x310
[  376.992737]  ? kasan_check_read+0x11/0x20
[  376.996882]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.002334]  ? trace_hardirqs_on+0x310/0x310
[  377.006730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.012290]  ? check_preemption_disabled+0x48/0x280
[  377.017317]  shrink_inactive_list+0x77b/0x1c60
[  377.021923]  ? putback_inactive_pages+0x27e0/0x27e0
[  377.026937]  ? kasan_check_read+0x11/0x20
[  377.031145]  ? mem_cgroup_get_nr_swap_pages+0xa1/0x340
[  377.036465]  ? blk_lld_busy+0x70/0x70
[  377.040263]  ? rcu_read_unlock_special+0x1d0/0x1d0
[  377.045184]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  377.050104]  shrink_node_memcg+0x78b/0x18f0
[  377.054411]  ? shrink_slab+0x207/0x8c0
[  377.058312]  ? shrink_active_list+0x1f00/0x1f00
[  377.062969]  ? mem_cgroup_from_id+0x30/0x30
[  377.067283]  ? vmpressure+0x218/0x340
[  377.071086]  ? lock_downgrade+0x900/0x900
[  377.075239]  ? kasan_check_read+0x11/0x20
[  377.079388]  ? do_raw_spin_trylock+0x270/0x270
[  377.083955]  ? print_usage_bug+0xc0/0xc0
[  377.088002]  ? do_raw_spin_trylock+0x270/0x270
[  377.092589]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  377.097782]  shrink_node+0x3bc/0x16b0
[  377.101588]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  377.106876]  ? shrink_node_memcg+0x18f0/0x18f0
[  377.111477]  ? kvm_clock_read+0x18/0x30
[  377.115463]  ? ktime_get+0x2c1/0x400
[  377.119198]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.123694]  ? __lock_acquire+0x62f/0x4c20
[  377.127924]  do_try_to_free_pages+0x3df/0x1290
[  377.132489]  ? graph_lock+0x270/0x270
[  377.136297]  ? shrink_node+0x16b0/0x16b0
[  377.140344]  ? __lock_is_held+0xb5/0x140
[  377.144417]  try_to_free_pages+0x4d0/0xb90
[  377.148670]  ? do_try_to_free_pages+0x1290/0x1290
[  377.153530]  ? kasan_check_read+0x11/0x20
[  377.157688]  ? psi_memstall_enter+0x24f/0x2c0
[  377.162210]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.167658]  ? lock_repin_lock+0x430/0x430
[  377.171884]  ? _raw_spin_unlock_irq+0x60/0x80
[  377.176366]  ? psi_memstall_enter+0x24f/0x2c0
[  377.180848]  ? psi_memstall_tick+0x230/0x230
[  377.185255]  ? __lock_acquire+0x62f/0x4c20
[  377.189522]  __alloc_pages_slowpath+0xa48/0x2df0
[  377.194289]  ? warn_alloc+0x120/0x120
[  377.198105]  ? find_held_lock+0x36/0x1c0
[  377.202159]  ? graph_lock+0x270/0x270
[  377.205947]  ? graph_lock+0x270/0x270
[  377.209748]  ? check_preemption_disabled+0x48/0x280
[  377.214775]  ? graph_lock+0x270/0x270
[  377.218581]  ? check_preemption_disabled+0x48/0x280
[  377.223590]  ? __lock_is_held+0xb5/0x140
[  377.227638]  ? find_held_lock+0x36/0x1c0
[  377.231688]  ? graph_lock+0x270/0x270
[  377.235490]  ? find_get_entry+0xa87/0x1120
[  377.239741]  ? lock_downgrade+0x900/0x900
[  377.243903]  ? check_preemption_disabled+0x48/0x280
[  377.248923]  ? __lock_is_held+0xb5/0x140
[  377.252977]  ? rcu_softirq_qs+0x20/0x20
[  377.256978]  ? ___might_sleep+0x1ed/0x300
[  377.261149]  ? arch_local_save_flags+0x40/0x40
[  377.265729]  ? __sanitizer_cov_trace_cmp2+0x18/0x20
[  377.270746]  ? __might_sleep+0x95/0x190
[  377.274718]  __alloc_pages_nodemask+0xad8/0xea0
[  377.279399]  ? __alloc_pages_slowpath+0x2df0/0x2df0
[  377.284415]  ? __lock_acquire+0x62f/0x4c20
[  377.288651]  ? find_held_lock+0x36/0x1c0
[  377.292743]  ? blk_mq_try_issue_directly+0x1e0/0x1e0
[  377.297836]  ? graph_lock+0x270/0x270
[  377.301626]  ? mark_held_locks+0x130/0x130
[  377.305851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.311389]  ? pagecache_get_page+0x2d8/0xf00
[  377.315901]  ? __lock_is_held+0xb5/0x140
[  377.319964]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  377.325504]  alloc_pages_current+0x10c/0x210
[  377.329903]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.335436]  __page_cache_alloc+0x38c/0x5b0
[  377.339746]  ? print_usage_bug+0xc0/0xc0
[  377.343793]  ? filemap_range_has_page+0x4e0/0x4e0
[  377.348635]  ? ret_from_fork+0x3a/0x50
[  377.352538]  pagecache_get_page+0x396/0xf00
[  377.356882]  ? find_get_pages_contig+0x18d0/0x18d0
[  377.361859]  ? __find_get_block+0x2f7/0xf20
[  377.366180]  ? __find_get_block+0x2f7/0xf20
[  377.370511]  ? lockdep_hardirqs_on+0x421/0x5c0
[  377.375372]  ? trace_hardirqs_on+0xbd/0x310
[  377.379693]  ? __getblk_gfp+0x2b3/0xd50
[  377.383665]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.389113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.394655]  ? check_preemption_disabled+0x48/0x280
[  377.399668]  ? lock_downgrade+0x900/0x900
[  377.403818]  ? __find_get_block+0x3be/0xf20
[  377.408143]  ? try_to_free_buffers+0xc80/0xc80
[  377.412738]  ? ___might_sleep+0x1ed/0x300
[  377.416889]  ? arch_local_save_flags+0x40/0x40
[  377.421462]  ? blk_get_request+0x4e0/0x4e0
[  377.425691]  ? __might_sleep+0x95/0x190
[  377.429682]  __getblk_gfp+0x3aa/0xd50
[  377.433486]  ? __find_get_block+0xf20/0xf20
[  377.437816]  ? lock_downgrade+0x900/0x900
[  377.442017]  ? check_preemption_disabled+0x48/0x280
[  377.447153]  ? submit_bio+0xba/0x460
[  377.450858]  ? submit_bio+0xba/0x460
[  377.454575]  ? rcu_softirq_qs+0x20/0x20
[  377.458559]  ? generic_make_request+0x15a0/0x15a0
[  377.463387]  ? __bio_add_page+0x134/0x290
[  377.467523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.472567]  ? guard_bio_eod+0x2bb/0x630
[  377.476639]  ? kasan_check_write+0x14/0x20
[  377.480875]  ? __brelse+0x104/0x180
[  377.484518]  ? block_commit_write+0x30/0x30
[  377.488844]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  377.493861]  ? ll_rw_block+0x189/0x220
[  377.497767]  __breadahead+0x8c/0x160
[  377.501482]  ? write_boundary_block+0x1a0/0x1a0
[  377.506391]  __ext4_get_inode_loc+0xdc4/0x1330
[  377.510977]  ? __ext4_journalled_invalidatepage+0x750/0x750
[  377.516681]  ? __lock_is_held+0xb5/0x140
[  377.520734]  ext4_reserve_inode_write+0xfa/0x260
[  377.525486]  ext4_mark_inode_dirty+0x19c/0xb20
[  377.530090]  ? unwind_next_frame+0x3e/0x50
[  377.534348]  ? __ext4_ext_dirty+0x1f5/0x260
[  377.538677]  ? ext4_expand_extra_isize+0x5b0/0x5b0
[  377.543629]  ? depot_save_stack+0x292/0x470
[  377.547945]  ? save_stack+0xa9/0xd0
[  377.551572]  ? save_stack+0x43/0xd0
[  377.555197]  ? kasan_kmalloc+0xc7/0xe0
[  377.559069]  ? __kmalloc+0x15b/0x770
[  377.562771]  ? ext4_find_extent+0x757/0x9b0
[  377.567079]  ? ext4_ext_map_blocks+0x2ad/0x6180
[  377.571733]  ? ext4_map_blocks+0x8f7/0x1b60
[  377.576056]  ? ext4_writepages+0x2573/0x4180
[  377.580453]  ? do_writepages+0x9a/0x1a0
[  377.584416]  ? __writeback_single_inode+0x20a/0x1660
[  377.589523]  ? writeback_sb_inodes+0x71f/0x1210
[  377.594195]  ? __writeback_inodes_wb+0x1b9/0x340
[  377.598949]  ? wb_writeback+0xa73/0xfc0
[  377.602906]  ? wb_workfn+0xee9/0x1790
[  377.606750]  ? process_one_work+0xc90/0x1c40
[  377.611157]  ? worker_thread+0x17f/0x1390
[  377.615327]  ? kthread+0x35a/0x440
[  377.618859]  ? ret_from_fork+0x3a/0x50
[  377.622760]  __ext4_ext_dirty+0x1f5/0x260
[  377.626912]  ? ext4_alloc_file_blocks+0xaf0/0xaf0
[  377.631757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.637308]  ? ext4_ext_correct_indexes+0xeb/0x450
[  377.642230]  ext4_ext_insert_extent+0x118d/0x45a0
[  377.647078]  ? __lock_is_held+0xb5/0x140
[  377.651144]  ? ext4_ext_shift_extents+0x1190/0x1190
[  377.656149]  ? ext4_find_extent+0x757/0x9b0
[  377.660458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.665981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.671513]  ? ext4_inode_to_goal_block+0x2e3/0x3f0
[  377.676523]  ext4_ext_map_blocks+0x32fc/0x6180
[  377.681140]  ? ext4_ext_release+0x10/0x10
[  377.685295]  ? __pagevec_release+0x88/0x120
[  377.689620]  ? find_held_lock+0x36/0x1c0
[  377.693678]  ? graph_lock+0x270/0x270
[  377.697476]  ? graph_lock+0x270/0x270
[  377.701293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.706853]  ? lock_acquire+0x1ed/0x520
[  377.710811]  ? ext4_map_blocks+0x88f/0x1b60
[  377.715123]  ? lock_release+0xa00/0xa00
[  377.719088]  ? arch_local_save_flags+0x40/0x40
[  377.723657]  ? ext4_es_cache_extent+0x6a0/0x6a0
[  377.728334]  ? down_write+0x8a/0x130
[  377.732063]  ? ext4_map_blocks+0x88f/0x1b60
[  377.736442]  ? down_read+0x120/0x120
[  377.740147]  ext4_map_blocks+0x8f7/0x1b60
[  377.744297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.749833]  ? check_preemption_disabled+0x48/0x280
[  377.754849]  ? ext4_issue_zeroout+0x160/0x160
[  377.759328]  ? __lock_is_held+0xb5/0x140
[  377.763415]  ext4_writepages+0x2573/0x4180
[  377.767689]  ? ext4_mark_inode_dirty+0xb20/0xb20
[  377.772444]  ? print_usage_bug+0xc0/0xc0
[  377.776502]  ? find_held_lock+0x36/0x1c0
[  377.780567]  ? hctx_unlock+0xde/0x150
[  377.784361]  ? __lock_acquire+0x62f/0x4c20
[  377.788599]  ? rcu_softirq_qs+0x20/0x20
[  377.792622]  ? print_usage_bug+0xc0/0xc0
[  377.796704]  ? __lock_acquire+0x62f/0x4c20
[  377.800941]  ? mark_held_locks+0x130/0x130
[  377.805162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.810705]  ? __ext4_get_inode_loc+0x470/0x1330
[  377.815461]  ? mark_held_locks+0x130/0x130
[  377.819680]  ? graph_lock+0x270/0x270
[  377.823474]  ? kasan_check_write+0x14/0x20
[  377.827704]  ? __brelse+0x104/0x180
[  377.831333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.836854]  ? check_preemption_disabled+0x48/0x280
[  377.841859]  ? ext4_mark_inode_dirty+0xb20/0xb20
[  377.846611]  do_writepages+0x9a/0x1a0
[  377.850409]  ? ext4_mark_inode_dirty+0xb20/0xb20
[  377.855150]  ? do_writepages+0x9a/0x1a0
[  377.859128]  __writeback_single_inode+0x20a/0x1660
[  377.864077]  ? __mark_inode_dirty+0x1510/0x1510
[  377.868745]  ? find_held_lock+0x36/0x1c0
[  377.872814]  ? find_held_lock+0x36/0x1c0
[  377.876873]  ? wbc_attach_and_unlock_inode+0x5c0/0xa30
[  377.882133]  ? lock_downgrade+0x900/0x900
[  377.886266]  ? find_held_lock+0x13f/0x1c0
[  377.890405]  ? kasan_check_read+0x11/0x20
[  377.894538]  ? do_raw_spin_unlock+0xa7/0x330
[  377.898944]  ? do_raw_spin_trylock+0x270/0x270
[  377.903510]  ? __lock_is_held+0xb5/0x140
[  377.907574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.913111]  ? wbc_attach_and_unlock_inode+0x675/0xa30
[  377.918385]  ? __writeback_single_inode+0x1660/0x1660
[  377.923578]  writeback_sb_inodes+0x71f/0x1210
[  377.928076]  ? wbc_detach_inode+0x940/0x940
[  377.932383]  ? lock_release+0xa00/0xa00
[  377.936353]  ? down_read_trylock+0xda/0x140
[  377.940716]  ? trylock_super+0x22/0x110
[  377.944696]  ? downgrade_write+0x270/0x270
[  377.948917]  ? up_read_non_owner+0x100/0x100
[  377.953313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.958849]  __writeback_inodes_wb+0x1b9/0x340
[  377.963448]  ? writeback_sb_inodes+0x1210/0x1210
[  377.968230]  ? __lock_is_held+0xb5/0x140
[  377.972322]  wb_writeback+0xa73/0xfc0
[  377.976143]  ? writeback_inodes_wb.constprop.50+0x330/0x330
[  377.981868]  ? widen_string+0xe0/0x2e0
[  377.985763]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  377.990939]  ? print_usage_bug+0xc0/0xc0
[  377.994988]  ? string+0x225/0x2d0
[  377.998435]  ? widen_string+0x2e0/0x2e0
[  378.002427]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.007443]  ? find_next_bit+0x104/0x130
[  378.011493]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.016494]  ? find_next_bit+0x104/0x130
[  378.020560]  ? cpumask_next+0x41/0x50
[  378.024372]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  378.029401]  ? get_nr_dirty_inodes+0xd6/0x130
[  378.033885]  ? __local_bh_enable_ip+0x160/0x260
[  378.038539]  ? get_nr_dirty_pages+0x17c/0x1f0
[  378.043045]  ? _raw_spin_unlock_bh+0x30/0x40
[  378.047442]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.052456]  ? wb_split_bdi_pages.isra.29+0x134/0x1b0
[  378.057640]  ? wb_wait_for_completion+0x2d0/0x2d0
[  378.062469]  ? wb_workfn+0x521/0x1790
[  378.066289]  ? __local_bh_enable_ip+0x160/0x260
[  378.070959]  wb_workfn+0xee9/0x1790
[  378.074596]  ? __lock_acquire+0x62f/0x4c20
[  378.078835]  ? inode_wait_for_writeback+0x40/0x40
[  378.083681]  ? mark_held_locks+0x130/0x130
[  378.087916]  ? mark_held_locks+0x130/0x130
[  378.092159]  ? set_next_entity+0x2f0/0xaf0
[  378.096388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.101921]  ? update_load_avg+0x2470/0x2470
[  378.106337]  ? pick_next_task_fair+0xa05/0x1b40
[  378.111019]  ? graph_lock+0x270/0x270
[  378.114824]  ? debug_object_deactivate+0x2eb/0x450
[  378.119740]  ? lock_downgrade+0x900/0x900
[  378.123881]  ? find_held_lock+0x36/0x1c0
[  378.127932]  ? graph_lock+0x270/0x270
[  378.131737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.137280]  ? check_preemption_disabled+0x48/0x280
[  378.142304]  ? __lock_is_held+0xb5/0x140
[  378.146373]  process_one_work+0xc90/0x1c40
[  378.150613]  ? mark_held_locks+0x130/0x130
[  378.154853]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  378.159516]  ? __switch_to_asm+0x40/0x70
[  378.163591]  ? __switch_to_asm+0x34/0x70
[  378.167645]  ? __switch_to_asm+0x40/0x70
[  378.171701]  ? __switch_to_asm+0x34/0x70
[  378.175753]  ? __switch_to_asm+0x40/0x70
[  378.179803]  ? __switch_to_asm+0x34/0x70
[  378.183850]  ? __switch_to_asm+0x40/0x70
[  378.187906]  ? __switch_to_asm+0x34/0x70
[  378.191984]  ? __switch_to_asm+0x40/0x70
[  378.196062]  ? __schedule+0x874/0x1ed0
[  378.199950]  ? lock_downgrade+0x900/0x900
[  378.204100]  ? graph_lock+0x270/0x270
[  378.207910]  ? lockdep_hardirqs_on+0x421/0x5c0
[  378.212499]  ? lock_acquire+0x1ed/0x520
[  378.216474]  ? worker_thread+0x3e0/0x1390
[  378.220625]  ? kasan_check_read+0x11/0x20
[  378.224762]  ? do_raw_spin_lock+0x14f/0x350
[  378.229069]  ? kasan_check_read+0x11/0x20
[  378.233204]  ? rwlock_bug.part.2+0x90/0x90
[  378.237436]  ? trace_hardirqs_on+0x310/0x310
[  378.241860]  worker_thread+0x17f/0x1390
[  378.245843]  ? __switch_to_asm+0x34/0x70
[  378.249909]  ? process_one_work+0x1c40/0x1c40
[  378.254396]  ? graph_lock+0x270/0x270
[  378.258215]  ? __kthread_parkme+0xce/0x1a0
[  378.262459]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.267563]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.272657]  ? lockdep_hardirqs_on+0x421/0x5c0
[  378.277254]  ? trace_hardirqs_on+0xbd/0x310
[  378.281579]  ? kasan_check_read+0x11/0x20
[  378.285711]  ? __kthread_parkme+0xce/0x1a0
[  378.289934]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.295386]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.300833]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.305926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.311459]  ? __kthread_parkme+0xfb/0x1a0
[  378.315684]  ? process_one_work+0x1c40/0x1c40
[  378.320164]  kthread+0x35a/0x440
[  378.323515]  ? kthread_bind+0x40/0x40
[  378.327303]  ret_from_fork+0x3a/0x50
[  378.332446] Kernel Offset: disabled
[  378.336373] Rebooting in 86400 seconds..