Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 2479 Comm: kworker/u4:4 Not tainted 4.20.0-rc7+ #161
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_common+0x1f/0xe0 kernel/sched/core.c:3596
 preempt_schedule+0x4d/0x60 kernel/sched/core.c:3622
 ___preempt_schedule+0x16/0x18
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock_irq+0x75/0x80 kernel/locking/spinlock.c:192
 spin_unlock_irq include/linux/spinlock.h:379 [inline]
 shrink_inactive_list+0xa3a/0x1c60 mm/vmscan.c:1984
 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_current+0x10c/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 depot_save_stack+0x3f1/0x470 lib/stackdepot.c:260
 save_stack+0xa9/0xd0 mm/kasan/kasan.c:454
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490
 slab_post_alloc_hook mm/slab.h:444 [inline]
 slab_alloc mm/slab.c:3392 [inline]
 kmem_cache_alloc+0x11b/0x730 mm/slab.c:3552
 kmem_cache_zalloc include/linux/slab.h:731 [inline]
 alloc_buffer_head+0x7c/0x1b0 fs/buffer.c:3360
 alloc_page_buffers+0x1cd/0x6b0 fs/buffer.c:829
 grow_dev_page fs/buffer.c:966 [inline]
 grow_buffers fs/buffer.c:1016 [inline]
 __getblk_slow fs/buffer.c:1043 [inline]
 __getblk_gfp+0x60b/0xd50 fs/buffer.c:1320
 sb_getblk include/linux/buffer_head.h:325 [inline]
 ext4_read_block_bitmap_nowait+0x314/0x1f50 fs/ext4/balloc.c:427
 ext4_read_block_bitmap+0x1f/0x90 fs/ext4/balloc.c:527
 ext4_mb_mark_diskspace_used+0x19e/0x10d0 fs/ext4/mballoc.c:2938
 ext4_mb_new_blocks+0xea5/0x4840 fs/ext4/mballoc.c:4555
 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..