blkdev_ioc                23KB         23KB
bio-0                   1462KB       1462KB
Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
biovec-max              2070KB       2070KB
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 51 Comm: kworker/u4:2 Not tainted 4.20.0-rc7+ #360
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/0x55c kernel/panic.c:188
Node 0 DMA32: 123*4kB (UME) 82*8kB (UME) 52*16kB (UME) 32*32kB (ME) 14*64kB (ME) 3*128kB (UME) 28*256kB (UME) 28*512kB (UME) 2*1024kB (U) 6*2048kB (UME) 1*4096kB (M) = 44220kB
 schedule_debug kernel/sched/core.c:3285 [inline]
 __schedule+0x1ec6/0x1ed0 kernel/sched/core.c:3394
Node 0 Normal: 366*4kB (UME) 410*8kB (UME) 271*16kB (UME) 130*32kB (UME) 37*64kB (UME) 2*128kB (ME) 33*256kB (UME) 11*512kB (U) 3*1024kB (U) 2*2048kB (U) 0*4096kB = 37112kB
 preempt_schedule_notrace+0x70/0x140 kernel/sched/core.c:3670
 ___preempt_schedule_notrace+0x16/0x31
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
 rcu_is_watching+0x23/0x30 kernel/rcu/tree.c:907
 rcu_read_lock+0x43/0x70 include/linux/rcupdate.h:608
 mem_cgroup_iter+0x208/0x1160 mm/memcontrol.c:934
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
577 total pagecache pages
lowmem_reserve[]: 0 2816 6319 6319
Node 0 DMA32 free:43576kB min:30040kB low:37548kB high:45056kB active_anon:2336kB inactive_anon:8kB active_file:452kB inactive_file:508kB unevictable:0kB writepending:224kB present:3129332kB managed:2886748kB mlocked:0kB kernel_stack:192kB pagetables:56kB bounce:0kB free_pcp:1356kB local_pcp:1312kB free_cma:0kB
 shrink_node+0x340/0x16b0 mm/vmscan.c:2723
 shrink_zones mm/vmscan.c:2987 [inline]
 do_try_to_free_pages+0x3df/0x1290 mm/vmscan.c:3049
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0xa48/0x2df0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
 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:1554
 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+0x2573/0x4180 fs/ext4/inode.c:2884
 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2328
 __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..