| TITLE: kernel panic: corrupted stack end in wb_workfn |
| |
| [ 839.617079] Kernel panic - not syncing: corrupted stack end detected inside scheduler |
| [ 839.619019] CPU: 0 PID: 7895 Comm: kworker/u12:6 Not tainted 4.20.0+ #11 |
| [ 839.620030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 |
| [ 839.621165] Workqueue: writeback wb_workfn (flush-8:0) |
| [ 839.621888] Call Trace: |
| [ 839.622253] dump_stack+0x1d3/0x2c6 |
| [ 839.623492] panic+0x2ad/0x55f |
| [ 839.627987] __schedule+0x1ec6/0x1ed0 |
| [ 839.633474] schedule+0xef/0x370 |
| [ 839.636799] schedule_timeout+0x140/0x260 |
| [ 839.638901] schedule_timeout_uninterruptible+0x75/0x90 |
| [ 839.639786] __alloc_pages_slowpath+0x14c9/0x2db0 |
| [ 839.653639] __alloc_pages_nodemask+0xa89/0xde0 |
| [ 839.658370] alloc_pages_current+0x10c/0x210 |
| [ 839.659154] __page_cache_alloc+0x38c/0x5b0 |
| [ 839.662126] pagecache_get_page+0x396/0xf00 |
| [ 839.670212] ext4_mb_load_buddy_gfp+0xa80/0x1e70 |
| [ 839.685979] ext4_mb_find_by_goal+0x2fa/0x1040 |
| [ 839.690920] ext4_mb_regular_allocator+0x282/0x1590 |
| [ 839.695735] ext4_mb_new_blocks+0x1de3/0x4840 |
| [ 839.723338] ext4_ext_map_blocks+0x2eef/0x6180 |
| [ 839.733924] ext4_map_blocks+0x8f7/0x1b60 |
| [ 839.737730] ext4_writepages+0x2564/0x4170 |
| [ 839.749193] do_writepages+0x9a/0x1a0 |
| [ 839.751229] __writeback_single_inode+0x20a/0x1660 |
| [ 839.765951] writeback_sb_inodes+0x71f/0x1210 |
| [ 839.771338] __writeback_inodes_wb+0x1b9/0x340 |
| [ 839.773483] wb_writeback+0xa73/0xfc0 |
| [ 839.784905] wb_workfn+0xd65/0x1790 |
| [ 839.802711] process_one_work+0xc90/0x1c40 |
| [ 839.825054] worker_thread+0x17f/0x1390 |
| [ 839.838890] kthread+0x35a/0x440 |
| [ 839.840051] ret_from_fork+0x3a/0x50 |
| [ 839.841422] Dumping ftrace buffer: |
| [ 839.842800] (ftrace buffer empty) |
| [ 839.843307] Kernel Offset: disabled |
| [ 839.843804] Rebooting in 86400 seconds.. |
| |
