0 pages HighMem/MovableOnly
343430 pages reserved
0 pages cma reserved
Unreclaimable slab info:
2100 total pagecache pages
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 4.20.0+ #394
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Name                      Used          Total
Workqueue: writeback wb_workfn (flush-8:0)
pid_2                    137KB        152KB
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_common+0x1f/0xe0 kernel/sched/core.c:3596
 preempt_schedule+0x4d/0x60 kernel/sched/core.c:3622
 ___preempt_schedule+0x16/0x18
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
 _raw_spin_unlock_irqrestore+0xbb/0xd0 kernel/locking/spinlock.c:184
 __debug_object_init+0x57d/0x1290 lib/debugobjects.c:418
bio-3                      0KB          7KB
batadv_tt_change_cache          3KB          7KB
batadv_tl_cache            5KB          8KB
 debug_object_init+0x16/0x20 lib/debugobjects.c:431
 __init_work+0x50/0x60 kernel/workqueue.c:504
 drain_all_pages+0x2dc/0x670 mm/page_alloc.c:2751
TIPC                      10KB         21KB
 __alloc_pages_direct_reclaim mm/page_alloc.c:3956 [inline]
 __alloc_pages_slowpath+0xb73/0x2db0 mm/page_alloc.c:4335
SCTPv6                    26KB         32KB
DCCPv6                    17KB         21KB
0 pages in swap cache
 __alloc_pages_nodemask+0xa89/0xde0 mm/page_alloc.c:4549
DCCP                      16KB         27KB
Swap cache stats: add 0, delete 0, find 0/0
 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
bridge_fdb_cache           9KB         11KB
 pagecache_get_page+0x396/0xf00 mm/filemap.c:1615
Free swap  = 0kB
fib6_nodes                98KB        104KB
 find_or_create_page include/linux/pagemap.h:322 [inline]
 ext4_mb_load_buddy_gfp+0xa80/0x1e70 fs/ext4/mballoc.c:1194
Total swap = 0kB
ip6_dst_cache            457KB        457KB
1965979 pages RAM
0 pages HighMem/MovableOnly
 ext4_mb_load_buddy fs/ext4/mballoc.c:1241 [inline]
 ext4_mb_find_by_goal+0x2fa/0x1040 fs/ext4/mballoc.c:1832
RAWv6                     68KB         71KB
 ext4_mb_regular_allocator+0x282/0x1590 fs/ext4/mballoc.c:2118
UDPv6                      3KB          7KB
 ext4_mb_new_blocks+0x1de3/0x4840 fs/ext4/mballoc.c:4538
343430 pages reserved
0 pages cma reserved
TCPv6                     23KB         23KB
nf_conntrack               1KB          7KB
sd_ext_cdb                 0KB          7KB
 ext4_ext_map_blocks+0x2eef/0x6180 fs/ext4/extents.c:4404
scsi_sense_cache        1056KB       1060KB
 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
virtio_scsi_cmd           16KB         16KB
sgpool-128                 8KB          8KB
 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2335
 __writeback_single_inode+0x20a/0x1660 fs/fs-writeback.c:1316
sgpool-64                  4KB         12KB
sgpool-32                  2KB         15KB
 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
sgpool-16                  1KB          7KB
sgpool-8                   0KB          7KB
mqueue_inode_cache         10KB         21KB
 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
bio_post_read_ctx         14KB         15KB
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
bio-2                     14KB         15KB
jfs_mp                     7KB          7KB
nfs_commit_data            3KB         14KB
nfs_write_data            32KB         32KB
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
ext4_system_zone           1KB          7KB
 kthread+0x35a/0x440 kernel/kthread.c:246
bio-1                      1KB          7KB
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..