Debian GNU/Linux 7 syzkaller ttyS0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 166.792742] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 166.792742] [ 166.793959] CPU: 3 PID: 73 Comm: kworker/u10:1 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 166.795371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 166.796841] Workqueue: writeback wb_workfn (flush-8:0) [ 166.797787] Call Trace: [ 166.798248] dump_stack+0x194/0x257 [ 166.798919] ? arch_local_irq_restore+0x53/0x53 [ 166.799767] panic+0x1e4/0x41c [ 166.800291] ? refcount_error_report+0x214/0x214 [ 166.800815] ? blk_init_request_from_bio+0x3d0/0x3d0 [ 166.801354] __schedule+0x1ab2/0x2070 [ 166.801788] ? unwind_dump+0x4c0/0x4c0 [ 166.802197] ? __sched_text_start+0x8/0x8 [ 166.802666] ? print_usage_bug+0x480/0x480 [ 166.803115] ? find_held_lock+0x39/0x1d0 [ 166.803619] schedule+0x108/0x440 [ 166.803980] ? __schedule+0x2070/0x2070 [ 166.804384] ? do_raw_spin_trylock+0x190/0x190 [ 166.804869] ? mark_held_locks+0xb2/0x100 [ 166.805290] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 166.805838] rwsem_down_read_failed+0x3f5/0x6c0 [ 166.806381] ? rt_mutex_futex_unlock+0x110/0x110 [ 166.806948] ? lock_acquire+0x1d5/0x580 [ 166.807373] ? find_get_pages_contig+0x1330/0x1330 [ 166.807922] ? check_same_owner+0x320/0x320 [ 166.808360] ? kstrndup+0xd0/0xd0 [ 166.808752] call_rwsem_down_read_failed+0x18/0x30 [ 166.809251] ? call_rwsem_down_read_failed+0x18/0x30 [ 166.809822] ? shrink_inactive_list+0x6b2/0x1370 [ 166.810307] down_read+0xa4/0x150 [ 166.810662] ? rmap_walk_file+0x766/0xd10 [ 166.811087] ? __down_interruptible+0x6a0/0x6a0 [ 166.811580] rmap_walk_file+0x766/0xd10 [ 166.811991] ? check_noncircular+0x20/0x20 [ 166.812428] ? rmap_walk_anon+0xd30/0xd30 [ 166.812821] ? lock_downgrade+0x990/0x990 [ 166.813183] ? workingset_eviction+0x48f/0x760 [ 166.813828] ? mark_held_locks+0xb2/0x100 [ 166.814201] ? total_mapcount+0x262/0x7a0 [ 166.814569] ? vma_adjust_trans_huge+0x260/0x260 [ 166.814984] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 166.815427] ? page_mapped+0x2eb/0x710 [ 166.815772] ? __page_mapcount+0x460/0x460 [ 166.816144] ? mark_free_pages+0x390/0x390 [ 166.816514] ? trace_hardirqs_on+0xd/0x10 [ 166.816888] rmap_walk+0x1c8/0x2e0 [ 166.817202] ? __anon_vma_prepare+0x6b0/0x6b0 [ 166.817600] ? page_rmapping+0xc3/0x140 [ 166.817955] ? vm_mmap+0x90/0x90 [ 166.818261] page_referenced+0x6a9/0x970 [ 166.818615] ? kstrndup+0xd0/0xd0 [ 166.818921] ? rmap_walk+0x2e0/0x2e0 [ 166.819259] ? page_referenced+0x7ed/0x970 [ 166.819668] ? page_mapping+0x387/0x530 [ 166.820031] ? kstrndup+0xd0/0xd0 [ 166.820348] ? __lock_is_held+0xbc/0x140 [ 166.820719] ? page_evictable+0x135/0x1a0 [ 166.821123] ? page_mapcount_is_zero+0x20/0x20 [ 166.821528] ? page_get_anon_vma+0x3b0/0x3b0 [ 166.821943] shrink_page_list+0x255e/0x4e20 [ 166.822339] ? putback_lru_page+0x770/0x770 [ 166.822720] ? save_stack_trace+0x16/0x20 [ 166.823086] ? __lock_acquire+0x20f4/0x4620 [ 166.823478] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.823927] ? add_lock_to_list.isra.33+0x1ff/0x4f0 [ 166.824371] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.824837] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.825273] ? unwind_dump+0x4c0/0x4c0 [ 166.825615] ? unwind_dump+0x4c0/0x4c0 [ 166.825965] ? __unwind_start+0x169/0x330 [ 166.826324] ? unwind_get_return_address+0x61/0xa0 [ 166.826759] ? __save_stack_trace+0x61/0xd0 [ 166.827152] ? shrink_node_memcg+0x729/0x16b0 [ 166.827557] ? save_stack_trace+0x16/0x20 [ 166.827929] ? check_noncircular+0x20/0x20 [ 166.828320] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.828778] ? find_held_lock+0x39/0x1d0 [ 166.829152] ? lock_downgrade+0x990/0x990 [ 166.829544] ? page_vma_mapped_walk+0x9c4/0x2080 [ 166.830011] ? do_raw_spin_trylock+0x190/0x190 [ 166.830427] ? linear_hugepage_index+0x1c0/0x1c0 [ 166.830846] ? kmem_cache_alloc+0x12e/0x760 [ 166.831240] ? trace_hardirqs_off+0x10/0x10 [ 166.831645] ? _raw_spin_unlock+0x22/0x30 [ 166.832016] ? page_vma_mapped_walk+0x295/0x2080 [ 166.832436] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.832893] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 166.833417] ? check_noncircular+0x20/0x20 [ 166.833793] ? try_to_free_pages+0x418/0x9c0 [ 166.834210] ? check_noncircular+0x20/0x20 [ 166.834602] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.835402] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.835849] ? unwind_dump+0x4c0/0x4c0 [ 166.836228] ? unwind_dump+0x4c0/0x4c0 [ 166.836589] ? __unwind_start+0x169/0x330 [ 166.836961] ? unwind_get_return_address+0x61/0xa0 [ 166.837407] ? __save_stack_trace+0x61/0xd0 [ 166.837801] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 166.838369] ? try_to_free_pages+0x418/0x9c0 [ 166.838760] ? page_mapcount_is_zero+0x20/0x20 [ 166.839182] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.839625] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.840076] ? unwind_dump+0x4c0/0x4c0 [ 166.840422] ? unwind_dump+0x4c0/0x4c0 [ 166.840763] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 166.841274] ? __unwind_start+0x169/0x330 [ 166.841639] ? unwind_get_return_address+0x61/0xa0 [ 166.842071] ? __isolate_lru_page+0x4e6/0x880 [ 166.842460] ? remove_mapping+0x2c0/0x2c0 [ 166.842820] ? check_noncircular+0x20/0x20 [ 166.843192] ? try_to_free_pages+0x418/0x9c0 [ 166.843585] ? save_stack_trace+0x16/0x20 [ 166.843951] ? __lock_acquire+0x20f4/0x4620 [ 166.844340] ? __unwind_start+0x169/0x330 [ 166.844708] ? __lock_is_held+0xbc/0x140 [ 166.845079] ? isolate_lru_pages.isra.59+0xec5/0x16d0 [ 166.845547] ? __isolate_lru_page+0x880/0x880 [ 166.845952] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.846401] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.846851] ? __lock_acquire+0x732/0x4620 [ 166.847238] ? unwind_dump+0x4c0/0x4c0 [ 166.847590] ? check_noncircular+0x20/0x20 [ 166.847995] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.848491] ? unwind_get_return_address+0x61/0xa0 [ 166.848933] ? __save_stack_trace+0x61/0xd0 [ 166.849329] ? print_usage_bug+0x480/0x480 [ 166.849706] ? __alloc_pages_slowpath+0xbf1/0x2ee0 [ 166.850149] ? find_held_lock+0x39/0x1d0 [ 166.850515] ? lock_downgrade+0x990/0x990 [ 166.850888] ? shrink_inactive_list+0x39a/0x1370 [ 166.851332] ? retint_kernel+0x10/0x10 [ 166.851669] ? do_raw_spin_trylock+0x190/0x190 [ 166.852061] ? mark_held_locks+0xb2/0x100 [ 166.852419] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 166.852851] shrink_inactive_list+0x6b2/0x1370 [ 166.853271] ? putback_inactive_pages+0x1620/0x1620 [ 166.853714] ? blk_start_plug+0xbb/0x370 [ 166.854095] ? blk_lld_busy+0x60/0x60 [ 166.854380] ? check_noncircular+0x20/0x20 [ 166.854660] ? lruvec_lru_size+0x26b/0x3e0 [ 166.854951] ? pgdat_reclaimable_pages+0xdf0/0xdf0 [ 166.855290] ? __lock_is_held+0xbc/0x140 [ 166.855589] shrink_node_memcg+0xa03/0x16b0 [ 166.855900] ? shrink_active_list+0x1280/0x1280 [ 166.856353] ? mem_cgroup_nr_lru_pages+0x80/0x80 [ 166.856792] ? rcu_read_lock_sched_held+0x108/0x120 [ 166.857449] ? compaction_suitable+0x152/0x490 [ 166.857755] ? rcu_read_lock_sched_held+0x108/0x120 [ 166.858099] ? lock_downgrade+0x990/0x990 [ 166.858388] ? mem_cgroup_split_huge_fixup+0xf0/0xf0 [ 166.858731] ? mem_cgroup_from_id+0x30/0x30 [ 166.859022] ? sum_zone_node_page_state+0x1f0/0x1f0 [ 166.859355] ? _raw_spin_unlock+0x22/0x30 [ 166.859658] shrink_node+0x3c0/0xe00 [ 166.859917] ? shrink_node+0x3c0/0xe00 [ 166.860195] ? shrink_node_memcg+0x16b0/0x16b0 [ 166.860590] ? ktime_get_resolution_ns+0x300/0x300 [ 166.861017] ? compact_zone_order+0x4df/0x640 [ 166.861416] ? find_held_lock+0x39/0x1d0 [ 166.861716] do_try_to_free_pages+0x394/0x1050 [ 166.862048] ? shrink_node+0xe00/0xe00 [ 166.862337] try_to_free_pages+0x418/0x9c0 [ 166.862649] ? do_try_to_free_pages+0x1050/0x1050 [ 166.862994] ? isolate_lru_page+0x11d0/0x11d0 [ 166.863330] ? __lock_is_held+0xbc/0x140 [ 166.863641] __alloc_pages_slowpath+0xbf1/0x2ee0 [ 166.863984] ? lock_downgrade+0x990/0x990 [ 166.864300] ? warn_alloc+0x2f0/0x2f0 [ 166.864580] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 166.864977] ? trace_hardirqs_on+0xd/0x10 [ 166.865266] ? _raw_spin_unlock_irq+0x27/0x70 [ 166.865561] ? cfq_set_request+0x6d5/0xce0 [ 166.865847] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.866191] ? check_noncircular+0x20/0x20 [ 166.866464] ? unwind_dump+0x4c0/0x4c0 [ 166.866736] ? unwind_dump+0x4c0/0x4c0 [ 166.867037] ? find_held_lock+0x39/0x1d0 [ 166.867321] ? lock_downgrade+0x990/0x990 [ 166.867616] ? __lock_is_held+0xbc/0x140 [ 166.867898] ? check_same_owner+0x320/0x320 [ 166.868194] ? rcu_note_context_switch+0x710/0x710 [ 166.868546] ? __might_sleep+0x95/0x190 [ 166.868811] __alloc_pages_nodemask+0x9f7/0xd80 [ 166.869123] ? ret_from_fork+0x2a/0x40 [ 166.869383] ? blk_account_io_start+0x3b3/0xba0 [ 166.869711] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 166.870056] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.870387] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.870726] ? unwind_dump+0x4c0/0x4c0 [ 166.870985] ? blk_rq_bio_prep+0x15b/0x290 [ 166.871265] ? unwind_dump+0x4c0/0x4c0 [ 166.871531] ? blk_queue_bio+0x799/0x1440 [ 166.871826] ? __unwind_start+0x169/0x330 [ 166.872110] alloc_pages_current+0xb6/0x1e0 [ 166.872402] depot_save_stack+0x3e7/0x490 [ 166.872707] save_stack+0xa3/0xd0 [ 166.872935] ? save_stack_trace+0x16/0x20 [ 166.873229] ? save_stack+0x43/0xd0 [ 166.873497] ? kasan_kmalloc+0xad/0xe0 [ 166.873784] ? kasan_slab_alloc+0x12/0x20 [ 166.874072] ? kmem_cache_alloc+0x11b/0x760 [ 166.874362] ? ext4_init_io_end+0x8e/0x200 [ 166.874664] ? ext4_writepages+0x132a/0x3c30 [ 166.874974] ? do_writepages+0xff/0x170 [ 166.875271] ? __writeback_single_inode+0x1b4/0x1250 [ 166.875642] ? writeback_sb_inodes+0x6a0/0x1180 [ 166.875964] ? __writeback_inodes_wb+0x19b/0x2f0 [ 166.876307] ? wb_writeback+0x8d3/0xdb0 [ 166.876594] ? wb_workfn+0x2a7/0x1340 [ 166.876871] ? process_one_work+0xbfd/0x1be0 [ 166.877167] ? worker_thread+0x223/0x1860 [ 166.877697] ? kthread+0x39c/0x470 [ 166.878062] ? ret_from_fork+0x2a/0x40 [ 166.878442] ? lock_downgrade+0x990/0x990 [ 166.878852] ? __lock_is_held+0xbc/0x140 [ 166.879187] ? check_same_owner+0x320/0x320 [ 166.879485] ? kasan_unpoison_shadow+0x35/0x50 [ 166.879796] kasan_kmalloc+0xad/0xe0 [ 166.880074] kasan_slab_alloc+0x12/0x20 [ 166.880345] kmem_cache_alloc+0x11b/0x760 [ 166.880639] ext4_init_io_end+0x8e/0x200 [ 166.880929] ? ext4_end_io_rsv_work+0x9f0/0x9f0 [ 166.881241] ? generic_make_request+0xe60/0xe60 [ 166.881558] ? __lock_is_held+0xbc/0x140 [ 166.881843] ? ext4_io_submit+0x18e/0x220 [ 166.882167] ext4_writepages+0x132a/0x3c30 [ 166.882479] ? __unwind_start+0x169/0x330 [ 166.882770] ? __save_stack_trace+0x61/0xd0 [ 166.883091] ? ext4_mark_inode_dirty+0xa10/0xa10 [ 166.883410] ? save_stack_trace+0x16/0x20 [ 166.883699] ? __lock_acquire+0x20f4/0x4620 [ 166.884024] ? __unwind_start+0x169/0x330 [ 166.884321] ? unwind_get_return_address+0x61/0xa0 [ 166.884694] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.885080] ? process_one_work+0xbfd/0x1be0 [ 166.885397] ? save_stack_trace+0x16/0x20 [ 166.885682] ? __lock_acquire+0x20f4/0x4620 [ 166.885999] ? __unwind_start+0x169/0x330 [ 166.886294] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.886650] ? process_one_work+0xbfd/0x1be0 [ 166.886960] ? save_stack_trace+0x16/0x20 [ 166.887261] ? __lock_acquire+0x20f4/0x4620 [ 166.887561] ? check_noncircular+0x20/0x20 [ 166.887857] ? __lock_acquire+0x732/0x4620 [ 166.888178] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 166.888547] ? ext4_mark_inode_dirty+0xa10/0xa10 [ 166.888891] do_writepages+0xff/0x170 [ 166.889169] ? do_writepages+0xff/0x170 [ 166.889448] __writeback_single_inode+0x1b4/0x1250 [ 166.889786] ? check_noncircular+0x20/0x20 [ 166.890095] ? __mark_inode_dirty+0x1170/0x1170 [ 166.890412] ? find_held_lock+0x39/0x1d0 [ 166.890698] ? lock_downgrade+0x990/0x990 [ 166.890982] ? check_noncircular+0x20/0x20 [ 166.891293] ? find_held_lock+0x13c/0x1d0 [ 166.891584] ? do_raw_spin_trylock+0x190/0x190 [ 166.891898] ? __lock_is_held+0xbc/0x140 [ 166.892197] ? _raw_spin_unlock+0x22/0x30 [ 166.892481] ? wbc_attach_and_unlock_inode+0x1ad/0x8f0 [ 166.892844] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 166.893200] ? __writeback_single_inode+0x1250/0x1250 [ 166.893579] writeback_sb_inodes+0x6a0/0x1180 [ 166.893927] ? wbc_detach_inode+0x870/0x870 [ 166.894264] ? lock_release+0xd70/0xd70 [ 166.894568] ? down_read_trylock+0xdb/0x170 [ 166.894876] ? trylock_super+0x20/0x100 [ 166.895180] __writeback_inodes_wb+0x19b/0x2f0 [ 166.895491] ? writeback_sb_inodes+0x1180/0x1180 [ 166.895823] ? __lock_is_held+0xbc/0x140 [ 166.896120] wb_writeback+0x8d3/0xdb0 [ 166.896400] ? writeback_inodes_wb.constprop.61+0x340/0x340 [ 166.896787] ? check_noncircular+0x20/0x20 [ 166.897079] ? print_usage_bug+0x480/0x480 [ 166.897377] ? __unwind_start+0x169/0x330 [ 166.897666] ? unwind_next_frame+0x3e/0x50 [ 166.897964] ? widen_string+0xa1/0x1e0 [ 166.898239] ? __save_stack_trace+0x6e/0xd0 [ 166.898946] ? find_held_lock+0x39/0x1d0 [ 166.899331] ? check_noncircular+0x20/0x20 [ 166.899723] ? wb_workfn+0x2ca/0x1340 [ 166.900004] wb_workfn+0x2a7/0x1340 [ 166.900254] ? wb_workfn+0x2a7/0x1340 [ 166.900542] ? inode_wait_for_writeback+0x40/0x40 [ 166.900886] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.901228] ? unwind_next_frame.part.6+0x1ae/0xc70 [ 166.901580] ? unwind_dump+0x4c0/0x4c0 [ 166.901853] ? check_noncircular+0x20/0x20 [ 166.902155] ? unwind_dump+0x4c0/0x4c0 [ 166.902435] ? n_tty_receive_char_special+0x2c90/0x2c90 [ 166.902831] ? check_noncircular+0x20/0x20 [ 166.903159] ? __unwind_start+0x169/0x330 [ 166.903457] ? unwind_next_frame+0x3e/0x50 [ 166.903948] ? __save_stack_trace+0x6e/0xd0 [ 166.904498] ? find_held_lock+0x39/0x1d0 [ 166.904858] ? check_noncircular+0x20/0x20 [ 166.905181] ? find_held_lock+0x39/0x1d0 [ 166.905505] ? lock_acquire+0x1d5/0x580 [ 166.905854] ? process_one_work+0xb2c/0x1be0 [ 166.906175] ? lock_downgrade+0x990/0x990 [ 166.906491] ? __lock_is_held+0xbc/0x140 [ 166.906897] process_one_work+0xbfd/0x1be0 [ 166.907315] ? check_noncircular+0x20/0x20 [ 166.907699] ? pwq_dec_nr_in_flight+0x450/0x450 [ 166.908082] ? finish_task_switch+0x1d3/0x740 [ 166.908507] ? finish_task_switch+0x1aa/0x740 [ 166.908995] ? __sched_text_start+0x8/0x8 [ 166.909322] ? check_noncircular+0x20/0x20 [ 166.909686] ? select_task_rq_fair+0x3da/0x3380 [ 166.910050] ? find_held_lock+0x39/0x1d0 [ 166.910337] ? lock_acquire+0x1d5/0x580 [ 166.910679] ? worker_thread+0x4a3/0x1860 [ 166.910983] ? lock_downgrade+0x990/0x990 [ 166.911275] ? lock_release+0xd70/0xd70 [ 166.911576] ? do_raw_spin_trylock+0x190/0x190 [ 166.911946] ? find_held_lock+0x39/0x1d0 [ 166.912285] worker_thread+0x223/0x1860 [ 166.912597] ? process_one_work+0x1be0/0x1be0 [ 166.912951] ? __update_load_avg_blocked_se.isra.21+0x16a/0x310 [ 166.913363] ? __update_load_avg_blocked_se.isra.21+0x16a/0x310 [ 166.913826] ? account_kernel_stack+0x155/0x1f0 [ 166.914188] ? put_task_stack+0x116/0x270 [ 166.914472] ? finish_task_switch+0x4c9/0x740 [ 166.914850] ? preempt_notifier_dec+0x20/0x20 [ 166.915198] ? __schedule+0x8f0/0x2070 [ 166.915462] ? __x2apic_send_IPI_dest.constprop.7+0x5b/0x80 [ 166.915991] ? try_to_wake_up+0xf9/0x1600 [ 166.916439] ? find_held_lock+0x39/0x1d0 [ 166.916959] ? lock_downgrade+0x990/0x990 [ 166.917432] ? complete+0x18/0x80 [ 166.917784] ? __schedule+0x2070/0x2070 [ 166.918208] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 166.918644] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 166.919048] ? trace_hardirqs_on+0xd/0x10 [ 166.919457] ? __kthread_parkme+0x173/0x240 [ 166.920235] kthread+0x39c/0x470 [ 166.920569] ? process_one_work+0x1be0/0x1be0 [ 166.921027] ? kthread_create_on_node+0x100/0x100 [ 166.921523] ret_from_fork+0x2a/0x40 [ 166.922236] Dumping ftrace buffer: [ 166.922685] (ftrace buffer empty) [ 166.923042] Kernel Offset: disabled [ 166.923427] Rebooting in 86400 seconds..