kmalloc-192 867KB 1488KB kmem_cache 168KB 172KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhclient,pid=8281,uid=0 Out of memory: Kill process 8281 (dhclient) score 0 or sacrifice child Killed process 8281 (dhclient) total-vm:9968kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 4.20.0+ #174 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113 panic+0x2ad/0x55f kernel/panic.c:189 schedule_debug kernel/sched/core.c:3285 [inline] __schedule+0x1ec6/0x1ed0 kernel/sched/core.c:3394 preempt_schedule_notrace+0x70/0x140 kernel/sched/core.c:3670 ___preempt_schedule_notrace+0x16/0x31 rcu_is_watching+0x23/0x30 kernel/rcu/tree.c:933 rcu_read_lock include/linux/rcupdate.h:608 [inline] wakeup_flusher_threads+0x44c/0x510 fs/fs-writeback.c:2001 shrink_inactive_list+0x1763/0x1c60 mm/vmscan.c:1999 shrink_list mm/vmscan.c:2273 [inline] shrink_node_memcg+0x7a8/0x19a0 mm/vmscan.c:2538 shrink_node+0x3e1/0x17f0 mm/vmscan.c:2753 shrink_zones mm/vmscan.c:2987 [inline] do_try_to_free_pages+0x3df/0x12a0 mm/vmscan.c:3049 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3265 __perform_reclaim mm/page_alloc.c:3920 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:3942 [inline] __alloc_pages_slowpath+0xa5a/0x2db0 mm/page_alloc.c:4335 __alloc_pages_nodemask+0xa89/0xde0 mm/page_alloc.c:4549 alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5b0 mm/filemap.c:924 pagecache_get_page+0x396/0xf00 mm/filemap.c:1615 find_or_create_page include/linux/pagemap.h:322 [inline] ext4_mb_load_buddy_gfp+0xddf/0x1e70 fs/ext4/mballoc.c:1158 ext4_mb_load_buddy fs/ext4/mballoc.c:1241 [inline] ext4_mb_find_by_goal+0x2fa/0x1040 fs/ext4/mballoc.c:1832 ext4_mb_regular_allocator+0x282/0x1590 fs/ext4/mballoc.c:2118 ext4_mb_new_blocks+0x1de3/0x4840 fs/ext4/mballoc.c:4538 ext4_ext_map_blocks+0x2eef/0x6180 fs/ext4/extents.c:4404 ext4_map_blocks+0x8f7/0x1b60 fs/ext4/inode.c:636 mpage_map_one_extent fs/ext4/inode.c:2480 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2533 [inline] ext4_writepages+0x2564/0x4170 fs/ext4/inode.c:2884 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2335 __writeback_single_inode+0x20a/0x1660 fs/fs-writeback.c:1316 writeback_sb_inodes+0x71f/0x1210 fs/fs-writeback.c:1580 __writeback_inodes_wb+0x1b9/0x340 fs/fs-writeback.c:1649 wb_writeback+0xa73/0xfc0 fs/fs-writeback.c:1758 wb_check_start_all fs/fs-writeback.c:1882 [inline] wb_do_writeback fs/fs-writeback.c:1908 [inline] wb_workfn+0xee9/0x1790 fs/fs-writeback.c:1942 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..