Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 2485 Comm: kworker/u4:4 Not tainted 4.20.0 #290
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
 schedule_debug kernel/sched/core.c:3285 [inline]
 __schedule+0x1ec6/0x1ed0 kernel/sched/core.c:3394
 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3699
 retint_kernel+0x1b/0x2d
RIP: 0010:lock_is_held_type+0x35/0x210 kernel/locking/lockdep.c:3875
Code: 48 89 e5 41 55 49 89 fd 41 54 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 83 ec 08 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 6e 01 00 00 8b
RSP: 0018:ffff8881cf1e1518 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff8881cf1ce540 RCX: ffffffff81b61080
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8881cf1cedbc
RBP: ffff8881cf1e1538 R08: ffff8881cf1ce540 R09: ffffed10398f5a00
R10: ffffed10398f5a00 R11: ffff8881cc7ad003 R12: 1ffff11039e3c2aa
R13: ffffffff8959af40 R14: ffffffff883378c0 R15: 0000000000000752
 lock_is_held include/linux/lockdep.h:339 [inline]
 ___might_sleep+0x28a/0x300 kernel/sched/core.c:6113
 rmap_walk_file+0x73f/0x1190 mm/rmap.c:1874
 rmap_walk+0x22c/0x350 mm/rmap.c:1897
 page_referenced+0x7d1/0xaa0 mm/rmap.c:874
 page_check_references mm/vmscan.c:1024 [inline]
 shrink_page_list+0x4a05/0xc620 mm/vmscan.c:1264
 shrink_inactive_list+0x77b/0x1c60 mm/vmscan.c:1963
 shrink_list mm/vmscan.c:2275 [inline]
 shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2540
 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2755
 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 include/linux/gfp.h:473 [inline]
 __alloc_pages_node include/linux/gfp.h:486 [inline]
 kmem_getpages mm/slab.c:1409 [inline]
 cache_grow_begin+0x91/0x8c0 mm/slab.c:2677
 fallback_alloc+0x203/0x2e0 mm/slab.c:3219
 ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287
 __do_cache_alloc mm/slab.c:3356 [inline]
 slab_alloc mm/slab.c:3384 [inline]
 kmem_cache_alloc+0x1f8/0x730 mm/slab.c:3552
 mempool_alloc_slab+0x44/0x60 mm/mempool.c:505
 mempool_alloc+0x193/0x4a0 mm/mempool.c:385
 bio_alloc_bioset+0x3a8/0x700 block/bio.c:489
 bio_clone_fast+0x26/0x110 block/bio.c:629
 bio_split+0x86/0x260 block/bio.c:1802
 blk_bio_segment_split block/blk-merge.c:231 [inline]
 blk_queue_split+0xa22/0x20f0 block/blk-merge.c:262
 blk_mq_make_request+0x2e9/0x2590 block/blk-mq.c:1840
 generic_make_request+0x9be/0x15a0 block/blk-core.c:2452
 submit_bio+0xba/0x460 block/blk-core.c:2560
 ext4_io_submit+0x197/0x230 fs/ext4/page-io.c:356
 io_submit_add_bh fs/ext4/page-io.c:396 [inline]
 ext4_bio_write_page+0xb4d/0x19c3 fs/ext4/page-io.c:506
 mpage_submit_page+0x15e/0x270 fs/ext4/inode.c:2237
 mpage_map_and_submit_buffers+0x55e/0xa40 fs/ext4/inode.c:2434
 mpage_map_and_submit_extent fs/ext4/inode.c:2572 [inline]
 ext4_writepages+0x2720/0x4180 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..