| TITLE: kernel panic: corrupted stack end in wb_workfn |
| |
| [ 281.244340] Kernel panic - not syncing: corrupted stack end detected inside scheduler |
| [ 281.245754] CPU: 2 PID: 6265 Comm: kworker/u12:4 Not tainted 4.20.0-rc7+ #6 |
| [ 281.246887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 |
| [ 281.248240] Workqueue: writeback wb_workfn (flush-8:0) |
| [ 281.248992] Call Trace: |
| [ 281.249364] dump_stack+0x1d4/0x2b5 |
| [ 281.252261] panic+0x25e/0x49c |
| [ 281.255403] __schedule+0x1be8/0x21d0 |
| [ 281.263754] preempt_schedule_common+0x35/0xe0 |
| [ 281.264425] preempt_schedule+0x23/0x30 |
| [ 281.265010] ___preempt_schedule+0x16/0x18 |
| [ 281.265635] _raw_spin_unlock_irqrestore+0xbf/0xe0 |
| [ 281.266357] __remove_mapping+0x77b/0x17e0 |
| [ 281.291388] shrink_page_list+0x5232/0xa6b0 |
| [ 281.414732] shrink_inactive_list+0x997/0x1ab0 |
| [ 281.419009] shrink_node_memcg+0x9de/0x16a0 |
| [ 281.424799] shrink_node+0x3af/0x1530 |
| [ 281.433316] do_try_to_free_pages+0x3bc/0x1170 |
| [ 281.435723] try_to_free_pages+0x43c/0x9e0 |
| [ 281.442644] __alloc_pages_slowpath+0xa4c/0x2c10 |
| [ 281.459197] __alloc_pages_nodemask+0xa6c/0xe10 |
| [ 281.466504] alloc_pages_current+0xb6/0x1e0 |
| [ 281.467326] __page_cache_alloc+0x332/0x560 |
| [ 281.471049] pagecache_get_page+0x2af/0xdd0 |
| [ 281.487360] __getblk_gfp+0x36e/0xd50 |
| [ 281.497989] ext4_read_block_bitmap_nowait+0x2ed/0x1e10 |
| [ 281.509111] ext4_read_block_bitmap+0x23/0x80 |
| [ 281.509934] ext4_mb_mark_diskspace_used+0x180/0x10a0 |
| [ 281.512755] ext4_mb_new_blocks+0xeb7/0x4260 |
| [ 281.540189] ext4_ext_map_blocks+0x2776/0x5b00 |
| [ 281.556040] ext4_map_blocks+0xcaa/0x1860 |
| [ 281.559967] ext4_writepages+0x1e4c/0x3a20 |
| [ 281.575738] do_writepages+0xfc/0x170 |
| [ 281.578546] __writeback_single_inode+0x1cd/0x12e0 |
| [ 281.592498] writeback_sb_inodes+0x6c7/0x1040 |
| [ 281.598601] __writeback_inodes_wb+0x1a3/0x310 |
| [ 281.600816] wb_writeback+0x92c/0xe10 |
| [ 281.618064] wb_workfn+0xdf3/0x1600 |
| [ 281.635970] process_one_work+0xcf3/0x1be0 |
| [ 281.662614] worker_thread+0x17d/0x12f0 |
| [ 281.680989] kthread+0x354/0x430 |
| [ 281.682529] ret_from_fork+0x3a/0x50 |
