kvm: apic: phys broadcast and lowest prio Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 22864 Comm: kworker/u4:4 Not tainted 4.20.0-rc7+ #384 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:constant_test_bit arch/x86/include/asm/bitops.h:325 [inline] RIP: 0010:PageUnevictable include/linux/page-flags.h:361 [inline] RIP: 0010:shrink_page_list+0x2a54/0xc620 mm/vmscan.c:1496 Code: 42 ad d7 ff 4d 85 ff 4c 8b ad b0 dd ff ff 0f 85 5e 1f 00 00 e8 fd ab d7 ff 4c 89 e8 48 c1 e8 03 80 3c 18 00 0f 85 4c 69 00 00 <4d> 8b 6d 00 31 ff 41 81 e5 00 00 10 00 4c 89 ee e8 07 ad d7 ff 4d RSP: 0018:ffff88817de19ba8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 RAX: 1ffffd4000d37ac8 RBX: dffffc0000000000 RCX: ffffffff81a70bce RDX: 0000000000000000 RSI: ffffffff81a70be3 RDI: 0000000000000007 RBP: ffff88817de1bec8 R08: ffff888190676040 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88817de1bea0 R13: ffffea00069bd640 R14: ffffea00069d5208 R15: 0000000000000000 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_current+0x10c/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc+0x38c/0x5b0 mm/filemap.c:924 pagecache_get_page+0x396/0xf00 mm/filemap.c:1554 find_or_create_page include/linux/pagemap.h:322 [inline] grow_dev_page fs/buffer.c:947 [inline] grow_buffers fs/buffer.c:1016 [inline] __getblk_slow fs/buffer.c:1043 [inline] __getblk_gfp+0x3aa/0xd50 fs/buffer.c:1320 __getblk include/linux/buffer_head.h:380 [inline] __breadahead+0x8c/0x160 fs/buffer.c:1330 sb_breadahead include/linux/buffer_head.h:319 [inline] __ext4_get_inode_loc+0xdc4/0x1330 fs/ext4/inode.c:4682 ext4_get_inode_loc fs/ext4/inode.c:4710 [inline] ext4_reserve_inode_write+0xfa/0x260 fs/ext4/inode.c:5868 ext4_mark_inode_dirty+0x19c/0xb20 fs/ext4/inode.c:6020 __ext4_ext_dirty+0x1f5/0x260 fs/ext4/extents.c:165 ext4_ext_insert_extent+0x118d/0x45a0 fs/ext4/extents.c:2144 ext4_ext_map_blocks+0x32fc/0x6180 fs/ext4/extents.c:4430 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..