[   38.996062] audit: type=1800 audit(1546206918.009:25): pid=7860 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[   39.032713] audit: type=1800 audit(1546206918.009:26): pid=7860 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[   39.066115] audit: type=1800 audit(1546206918.009:27): pid=7860 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.
[....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed!

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.127' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
syzkaller login: [   82.672080] Kernel panic - not syncing: corrupted stack end detected inside scheduler
[   82.680281] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 4.20.0+ #396
[   82.686951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   82.696353] Workqueue: writeback wb_workfn (flush-8:0)
[   82.701644] Call Trace:
[   82.704237]  dump_stack+0x1d3/0x2c6
[   82.707876]  ? dump_stack_print_info.cold.1+0x20/0x20
[   82.713115]  panic+0x2ad/0x55f
[   82.716314]  ? add_taint.cold.5+0x16/0x16
[   82.720461]  ? mark_held_locks+0xc7/0x130
[   82.724644]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   82.729408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   82.734992]  ? check_preemption_disabled+0x48/0x280
[   82.740025]  ? check_preemption_disabled+0x3a/0x280
[   82.745060]  __schedule+0x1ec6/0x1ed0
[   82.748869]  ? __lock_acquire+0x62f/0x4c20
[   82.753111]  ? __sched_text_start+0x8/0x8
[   82.757265]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   82.762037]  ? retint_kernel+0x2d/0x2d
[   82.765948]  ? check_preemption_disabled+0x3a/0x280
[   82.770968]  ? check_preemption_disabled+0x48/0x280
[   82.775989]  ? check_preemption_disabled+0x48/0x280
[   82.781036]  ? check_preemption_disabled+0x48/0x280
[   82.786096]  ? ___preempt_schedule_notrace+0x16/0x31
[   82.791241]  preempt_schedule_notrace+0x70/0x140
[   82.796010]  ___preempt_schedule_notrace+0x16/0x31
[   82.800947]  rcu_is_watching+0x23/0x30
[   82.804848]  rcu_read_lock_held+0x87/0xc0
[   82.809012]  list_lru_count_one+0x31a/0x450
[   82.813347]  ? list_lru_add+0x980/0x980
[   82.817313]  ? shmem_free_inode+0xd0/0xd0
[   82.821488]  super_cache_count+0x1b9/0x2e0
[   82.825727]  do_shrink_slab+0x1b1/0xd30
[   82.829715]  ? lock_acquire+0x1ed/0x520
[   82.833714]  ? snapshot_refaults+0x290/0x290
[   82.838105]  ? lock_release+0xa00/0xa00
[   82.842068]  ? rcu_read_unlock_special+0x370/0x370
[   82.847010]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   82.852548]  ? down_read_trylock+0xda/0x140
[   82.856877]  ? shrink_slab+0x207/0x8c0
[   82.860788]  ? downgrade_write+0x270/0x270
[   82.865033]  shrink_slab+0x389/0x8c0
[   82.868782]  ? unregister_memcg_shrinker.isra.43+0x50/0x50
[   82.874433]  ? kasan_check_read+0x11/0x20
[   82.878598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   82.884136]  shrink_node+0x647/0x17f0
[   82.887973]  ? shrink_node_memcg+0x19a0/0x19a0
[   82.892597]  ? __delayacct_freepages_start+0x41/0x80
[   82.897700]  ? __bpf_trace_preemptirq_template+0x30/0x30
[   82.903172]  ? kvm_clock_read+0x18/0x30
[   82.907160]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   82.912170]  ? ktime_get+0x2c1/0x400
[   82.915910]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[   82.920412]  do_try_to_free_pages+0x3df/0x12a0
[   82.924977]  ? graph_lock+0x270/0x270
[   82.928790]  ? shrink_node+0x17f0/0x17f0
[   82.932872]  ? __lock_is_held+0xb5/0x140
[   82.936926]  try_to_free_pages+0x4d0/0xb90
[   82.941188]  ? do_try_to_free_pages+0x12a0/0x12a0
[   82.946050]  ? kasan_check_read+0x11/0x20
[   82.950184]  ? psi_memstall_enter+0x24f/0x2c0
[   82.954665]  ? __bpf_trace_preemptirq_template+0x30/0x30
[   82.960100]  ? lock_repin_lock+0x430/0x430
[   82.964329]  ? _raw_spin_unlock_irq+0x60/0x80
[   82.968826]  ? psi_memstall_enter+0x24f/0x2c0
[   82.973309]  ? psi_memstall_tick+0x230/0x230
[   82.977723]  ? __lock_acquire+0x62f/0x4c20
[   82.981956]  __alloc_pages_slowpath+0xa5a/0x2db0
[   82.986703]  ? find_held_lock+0x36/0x1c0
[   82.990780]  ? mark_held_locks+0xc7/0x130
[   82.994942]  ? warn_alloc+0x120/0x120
[   82.998786]  ? print_usage_bug+0xc0/0xc0
[   83.002853]  ? lockdep_hardirqs_on+0x421/0x5c0
[   83.007431]  ? kasan_check_write+0x14/0x20
[   83.011662]  ? __brelse+0x104/0x180
[   83.015273]  ? graph_lock+0x270/0x270
[   83.019059]  ? graph_lock+0x270/0x270
[   83.022858]  ? check_preemption_disabled+0x48/0x280
[   83.027872]  ? graph_lock+0x270/0x270
[   83.031685]  ? check_preemption_disabled+0x48/0x280
[   83.036689]  ? graph_lock+0x270/0x270
[   83.040473]  ? check_preemption_disabled+0x48/0x280
[   83.045479]  ? __lock_is_held+0xb5/0x140
[   83.049526]  ? find_held_lock+0x36/0x1c0
[   83.053608]  ? graph_lock+0x270/0x270
[   83.057420]  ? find_get_entry+0xa87/0x1120
[   83.061641]  ? lock_downgrade+0x900/0x900
[   83.065784]  ? check_preemption_disabled+0x48/0x280
[   83.070799]  ? __lock_is_held+0xb5/0x140
[   83.074871]  ? ___might_sleep+0x1ed/0x300
[   83.079048]  ? arch_local_save_flags+0x40/0x40
[   83.083631]  ? ext4_validate_block_bitmap+0x65b/0x10c0
[   83.088898]  ? __might_sleep+0x95/0x190
[   83.092878]  __alloc_pages_nodemask+0xa89/0xde0
[   83.097618]  ? __alloc_pages_slowpath+0x2db0/0x2db0
[   83.102667]  ? lock_acquire+0x1ed/0x520
[   83.106656]  ? ext4_lock_group+0x100/0x600
[   83.110913]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   83.116458]  alloc_pages_current+0x10c/0x210
[   83.120873]  __page_cache_alloc+0x38c/0x5b0
[   83.125233]  ? filemap_range_has_page+0x4e0/0x4e0
[   83.130082]  ? kasan_check_write+0x14/0x20
[   83.134317]  ? __brelse+0x104/0x180
[   83.137933]  pagecache_get_page+0x396/0xf00
[   83.142255]  ? find_get_pages_contig+0x18d0/0x18d0
[   83.147189]  ? ext4_mb_generate_from_pa+0x470/0x470
[   83.152199]  ? attach_entity_load_avg+0x860/0x860
[   83.157041]  ? __lock_is_held+0xb5/0x140
[   83.161120]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   83.166651]  ? unlock_page+0x2c2/0x4c0
[   83.170539]  ? wake_up_page_bit+0x6f0/0x6f0
[   83.174847]  ? ___might_sleep+0x1ed/0x300
[   83.178982]  ? arch_local_save_flags+0x40/0x40
[   83.183560]  ? print_usage_bug+0xc0/0xc0
[   83.187624]  ? __might_sleep+0x95/0x190
[   83.191603]  ext4_mb_load_buddy_gfp+0xa80/0x1e70
[   83.196353]  ? ext4_mb_good_group+0x730/0x730
[   83.200833]  ? mark_held_locks+0x130/0x130
[   83.205088]  ? print_usage_bug+0xc0/0xc0
[   83.209147]  ? mark_held_locks+0x130/0x130
[   83.213405]  ? mark_held_locks+0x130/0x130
[   83.217639]  ? graph_lock+0x270/0x270
[   83.221445]  ? print_usage_bug+0xc0/0xc0
[   83.225509]  ? __read_once_size_nocheck.constprop.8+0x10/0x10
[   83.231384]  ? ret_from_fork+0x3a/0x50
[   83.235286]  ? __lock_acquire+0x62f/0x4c20
[   83.239650]  ? print_usage_bug+0xc0/0xc0
[   83.243714]  ? graph_lock+0x270/0x270
[   83.247520]  ? mark_held_locks+0xc7/0x130
[   83.251661]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   83.256749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   83.261867]  ? graph_lock+0x270/0x270
[   83.265669]  ? find_held_lock+0x36/0x1c0
[   83.269736]  ? __lock_is_held+0xb5/0x140
[   83.273793]  ? lock_downgrade+0x900/0x900
[   83.277941]  ? __sanitizer_cov_trace_switch+0x53/0x90
[   83.283128]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   83.288176]  ? ext4_mb_good_group+0x551/0x730
[   83.292687]  ext4_mb_regular_allocator+0x634/0x1590
[   83.297757]  ? ext4_mb_complex_scan_group+0xb10/0xb10
[   83.302964]  ? ext4_mb_free_metadata+0xc90/0xc90
[   83.307740]  ? ext4_mb_new_blocks+0x787/0x4840
[   83.312317]  ? rcu_read_lock_sched_held+0x108/0x120
[   83.317318]  ? kmem_cache_alloc+0x33f/0x730
[   83.321643]  ext4_mb_new_blocks+0x1de3/0x4840
[   83.326147]  ? graph_lock+0x270/0x270
[   83.329976]  ? ext4_discard_preallocations+0x13c0/0x13c0
[   83.335445]  ? find_held_lock+0x36/0x1c0
[   83.339520]  ? mark_held_locks+0xc7/0x130
[   83.343654]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   83.348743]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   83.353881]  ? lockdep_hardirqs_on+0x421/0x5c0
[   83.358470]  ? trace_hardirqs_on+0xbd/0x310
[   83.362794]  ? kasan_check_read+0x11/0x20
[   83.366936]  ? depot_save_stack+0x292/0x470
[   83.371259]  ? __bpf_trace_preemptirq_template+0x30/0x30
[   83.376727]  ? unwind_next_frame+0x3e/0x50
[   83.380965]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[   83.386063]  ? depot_save_stack+0x292/0x470
[   83.390403]  ? save_stack+0xa9/0xd0
[   83.394043]  ? save_stack+0x43/0xd0
[   83.397666]  ? kasan_kmalloc+0xcb/0xd0
[   83.401538]  ? __kmalloc+0x15d/0x760
[   83.405248]  ? ext4_find_extent+0x757/0x9b0
[   83.409604]  ? ext4_ext_map_blocks+0x2ad/0x6180
[   83.414271]  ? ext4_map_blocks+0x8f7/0x1b60
[   83.418639]  ? ext4_writepages+0x2564/0x4170
[   83.423051]  ? do_writepages+0x9a/0x1a0
[   83.427015]  ? __writeback_single_inode+0x20a/0x1660
[   83.432112]  ? writeback_sb_inodes+0x71f/0x1210
[   83.436773]  ? __writeback_inodes_wb+0x1b9/0x340
[   83.441535]  ? wb_writeback+0xa73/0xfc0
[   83.445503]  ? wb_workfn+0xee9/0x1790
[   83.449306]  ? process_one_work+0xc90/0x1c40
[   83.453717]  ? worker_thread+0x17f/0x1390
[   83.457882]  ? kthread+0x35a/0x440
[   83.461434]  ? ret_from_fork+0x3a/0x50
[   83.465329]  ? graph_lock+0x270/0x270
[   83.469148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.474679]  ? check_preemption_disabled+0x48/0x280
[   83.479716]  ? __lock_is_held+0xb5/0x140
[   83.483811]  ? rcu_read_lock_sched_held+0x108/0x120
[   83.488829]  ? __kmalloc+0x5ed/0x760
[   83.492592]  ? ext4_find_extent+0x757/0x9b0
[   83.496923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.502476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.508000]  ? ext4_inode_to_goal_block+0x2e3/0x3f0
[   83.513019]  ext4_ext_map_blocks+0x2eef/0x6180
[   83.517640]  ? ext4_ext_release+0x10/0x10
[   83.521792]  ? __pagevec_release+0x88/0x120
[   83.526123]  ? find_held_lock+0x36/0x1c0
[   83.530181]  ? graph_lock+0x270/0x270
[   83.534016]  ? graph_lock+0x270/0x270
[   83.537811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.543395]  ? lock_acquire+0x1ed/0x520
[   83.547380]  ? ext4_map_blocks+0x88f/0x1b60
[   83.551696]  ? lock_release+0xa00/0xa00
[   83.555698]  ? arch_local_save_flags+0x40/0x40
[   83.560267]  ? ext4_es_cache_extent+0x6a0/0x6a0
[   83.564944]  ? down_write+0x8a/0x130
[   83.568652]  ? ext4_map_blocks+0x88f/0x1b60
[   83.572969]  ? down_read+0x120/0x120
[   83.576699]  ext4_map_blocks+0x8f7/0x1b60
[   83.580858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.586475]  ? check_preemption_disabled+0x48/0x280
[   83.591510]  ? ext4_issue_zeroout+0x160/0x160
[   83.596001]  ? __lock_is_held+0xb5/0x140
[   83.600087]  ext4_writepages+0x2564/0x4170
[   83.604370]  ? ext4_mark_inode_dirty+0xb20/0xb20
[   83.609122]  ? graph_lock+0x270/0x270
[   83.612948]  ? print_usage_bug+0xc0/0xc0
[   83.617006]  ? __lock_acquire+0x62f/0x4c20
[   83.621226]  ? hctx_unlock+0xde/0x150
[   83.625013]  ? print_usage_bug+0xc0/0xc0
[   83.629070]  ? __lock_acquire+0x62f/0x4c20
[   83.633303]  ? mark_held_locks+0x130/0x130
[   83.637526]  ? __ext4_get_inode_loc+0x470/0x1330
[   83.642283]  ? mark_held_locks+0x130/0x130
[   83.646522]  ? graph_lock+0x270/0x270
[   83.650311]  ? kasan_check_write+0x14/0x20
[   83.654671]  ? __brelse+0x104/0x180
[   83.658297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.663816]  ? check_preemption_disabled+0x48/0x280
[   83.668840]  ? ext4_mark_inode_dirty+0xb20/0xb20
[   83.673628]  do_writepages+0x9a/0x1a0
[   83.677479]  ? ext4_mark_inode_dirty+0xb20/0xb20
[   83.682265]  ? do_writepages+0x9a/0x1a0
[   83.686272]  __writeback_single_inode+0x20a/0x1660
[   83.691217]  ? __lock_acquire+0x62f/0x4c20
[   83.695457]  ? __mark_inode_dirty+0x1510/0x1510
[   83.700130]  ? mark_held_locks+0x130/0x130
[   83.704363]  ? find_held_lock+0x36/0x1c0
[   83.708428]  ? find_held_lock+0x36/0x1c0
[   83.712488]  ? wbc_attach_and_unlock_inode+0x5c0/0xa30
[   83.717784]  ? lock_downgrade+0x900/0x900
[   83.721980]  ? find_held_lock+0x13f/0x1c0
[   83.726157]  ? kasan_check_read+0x11/0x20
[   83.730326]  ? do_raw_spin_unlock+0xa7/0x330
[   83.734746]  ? do_raw_spin_trylock+0x270/0x270
[   83.739331]  ? __lock_is_held+0xb5/0x140
[   83.743424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   83.748948]  ? wbc_attach_and_unlock_inode+0x675/0xa30
[   83.754220]  ? __writeback_single_inode+0x1660/0x1660
[   83.759409]  writeback_sb_inodes+0x71f/0x1210
[   83.763909]  ? wbc_detach_inode+0x960/0x960
[   83.768224]  ? lock_release+0xa00/0xa00
[   83.772224]  ? down_read_trylock+0xda/0x140
[   83.776564]  ? trylock_super+0x22/0x110
[   83.780551]  ? downgrade_write+0x270/0x270
[   83.784795]  ? up_read_non_owner+0x100/0x100
[   83.789227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   83.794767]  __writeback_inodes_wb+0x1b9/0x340
[   83.799425]  ? writeback_sb_inodes+0x1210/0x1210
[   83.804169]  ? __lock_is_held+0xb5/0x140
[   83.808259]  wb_writeback+0xa73/0xfc0
[   83.812200]  ? writeback_inodes_wb.constprop.50+0x330/0x330
[   83.817896]  ? widen_string+0xe0/0x2e0
[   83.821808]  ? __sanitizer_cov_trace_switch+0x53/0x90
[   83.826997]  ? print_usage_bug+0xc0/0xc0
[   83.831056]  ? string+0x225/0x2d0
[   83.834527]  ? widen_string+0x2e0/0x2e0
[   83.838500]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   83.843545]  ? find_next_bit+0x104/0x130
[   83.847640]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   83.852650]  ? find_next_bit+0x104/0x130
[   83.856696]  ? cpumask_next+0x41/0x50
[   83.860493]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   83.865522]  ? get_nr_dirty_inodes+0xd6/0x130
[   83.870001]  ? __local_bh_enable_ip+0x160/0x260
[   83.874654]  ? get_nr_dirty_pages+0x17c/0x1f0
[   83.879169]  ? _raw_spin_unlock_bh+0x30/0x40
[   83.883603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   83.888627]  ? wb_split_bdi_pages.isra.29+0x134/0x1b0
[   83.893813]  ? wb_wait_for_completion+0x2d0/0x2d0
[   83.898658]  ? wb_workfn+0x521/0x1790
[   83.902478]  ? __local_bh_enable_ip+0x160/0x260
[   83.907146]  wb_workfn+0xee9/0x1790
[   83.910762]  ? __lock_acquire+0x62f/0x4c20
[   83.915004]  ? inode_wait_for_writeback+0x40/0x40
[   83.919837]  ? mark_held_locks+0x130/0x130
[   83.924103]  ? graph_lock+0x270/0x270
[   83.927947]  ? mark_held_locks+0x130/0x130
[   83.932231]  ? lock_is_held_type+0x210/0x210
[   83.936660]  ? graph_lock+0x270/0x270
[   83.940480]  ? debug_object_deactivate+0x2eb/0x450
[   83.945408]  ? lock_downgrade+0x900/0x900
[   83.949540]  ? find_held_lock+0x36/0x1c0
[   83.953598]  ? graph_lock+0x270/0x270
[   83.957389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   83.962925]  ? check_preemption_disabled+0x48/0x280
[   83.967984]  ? __lock_is_held+0xb5/0x140
[   83.972072]  process_one_work+0xc90/0x1c40
[   83.976293]  ? mark_held_locks+0x130/0x130
[   83.980549]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[   83.985213]  ? preempt_notifier_register+0x200/0x200
[   83.990309]  ? __switch_to_asm+0x34/0x70
[   83.994364]  ? __switch_to_asm+0x34/0x70
[   83.998437]  ? __switch_to_asm+0x40/0x70
[   84.002508]  ? __switch_to_asm+0x34/0x70
[   84.006551]  ? __switch_to_asm+0x40/0x70
[   84.010625]  ? __switch_to_asm+0x34/0x70
[   84.014713]  ? __switch_to_asm+0x34/0x70
[   84.018805]  ? __switch_to_asm+0x40/0x70
[   84.022867]  ? __switch_to_asm+0x34/0x70
[   84.026920]  ? __switch_to_asm+0x40/0x70
[   84.031016]  ? __switch_to_asm+0x34/0x70
[   84.035095]  ? __switch_to_asm+0x40/0x70
[   84.039174]  ? __switch_to_asm+0x34/0x70
[   84.043242]  ? __sched_text_start+0x8/0x8
[   84.047383]  ? graph_lock+0x270/0x270
[   84.051182]  ? lock_downgrade+0x900/0x900
[   84.055333]  ? kasan_check_read+0x11/0x20
[   84.059546]  ? do_raw_spin_unlock+0xa7/0x330
[   84.063993]  ? find_held_lock+0x36/0x1c0
[   84.068083]  ? lock_acquire+0x1ed/0x520
[   84.072081]  ? worker_thread+0x3e0/0x1390
[   84.076247]  ? kasan_check_read+0x11/0x20
[   84.080403]  ? do_raw_spin_lock+0x14f/0x350
[   84.084742]  ? __schedule+0x1ed0/0x1ed0
[   84.088721]  ? rwlock_bug.part.2+0x90/0x90
[   84.092961]  ? trace_hardirqs_on+0x310/0x310
[   84.097379]  worker_thread+0x17f/0x1390
[   84.101344]  ? preempt_notifier_register+0x200/0x200
[   84.106470]  ? process_one_work+0x1c40/0x1c40
[   84.110956]  ? __schedule+0x874/0x1ed0
[   84.114843]  ? __sched_text_start+0x8/0x8
[   84.118997]  ? __sched_text_start+0x8/0x8
[   84.123171]  ? __kthread_parkme+0xce/0x1a0
[   84.127410]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   84.132511]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   84.137605]  ? lockdep_hardirqs_on+0x421/0x5c0
[   84.142170]  ? trace_hardirqs_on+0xbd/0x310
[   84.146475]  ? kasan_check_read+0x11/0x20
[   84.150620]  ? __kthread_parkme+0xce/0x1a0
[   84.154877]  ? __bpf_trace_preemptirq_template+0x30/0x30
[   84.160325]  ? __schedule+0x1ed0/0x1ed0
[   84.164287]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[   84.169384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   84.174926]  ? __kthread_parkme+0xfb/0x1a0
[   84.179177]  ? process_one_work+0x1c40/0x1c40
[   84.183715]  kthread+0x35a/0x440
[   84.187089]  ? kthread_bind+0x40/0x40
[   84.190889]  ret_from_fork+0x3a/0x50
[   84.195939] Kernel Offset: disabled
[   84.199662] Rebooting in 86400 seconds..