Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 561 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Kernel panic - not syncing: corrupted stack end detected inside scheduler Free swap = 0kB CPU: 0 PID: 115 Comm: kworker/u4:3 Not tainted 4.20.0-rc7+ #384 Total swap = 0kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 1965979 pages RAM 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 0 pages HighMem/MovableOnly panic+0x2ad/0x55c kernel/panic.c:188 342859 pages reserved 0 pages cma reserved Out of memory: Kill process 10705 (syz-executor258) score 0 or sacrifice child Killed process 10705 (syz-executor258) total-vm:17852kB, anon-rss:2120kB, file-rss:0kB, shmem-rss:0kB schedule_debug kernel/sched/core.c:3285 [inline] __schedule+0x1ec6/0x1ed0 kernel/sched/core.c:3394 oom_reaper: reaped process 10705 (syz-executor258), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3699 retint_kernel+0x1b/0x2d RIP: 0010:vma_interval_tree_iter_next+0x4/0x240 mm/interval_tree.c:24 Code: e7 e8 10 b8 12 00 e9 21 ff ff ff e8 06 b8 12 00 e9 48 ff ff ff e8 fc b7 12 00 eb 9f e8 f5 b7 12 00 e9 74 ff ff ff 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 89 fb 48 83 ec 20 48 89 55 c8 48 89 RSP: 0018:ffff8881d97b1058 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8881d95be040 RBX: 0000000000000000 RCX: ffffffff81b670f5 RDX: 0000000000000042 RSI: 0000000000000042 RDI: ffff8881b99e0880 RBP: ffff8881d97b1058 R08: ffff8881d95be040 R09: 0000000000000008 R10: 0000000000001a75 R11: ffff8881d95be040 R12: dffffc0000000000 R13: ffffffff81b64b50 R14: ffffea0006b1e080 R15: ffff8881d97b1360 rmap_walk_file+0x886/0x1190 mm/rmap.c:1870 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_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] ext4_mb_load_buddy_gfp+0xddf/0x1e70 fs/ext4/mballoc.c:1158 ext4_mb_load_buddy fs/ext4/mballoc.c:1241 [inline] ext4_mb_find_by_goal+0x2fa/0x1040 fs/ext4/mballoc.c:1832 ext4_mb_regular_allocator+0x282/0x1590 fs/ext4/mballoc.c:2118 ext4_mb_new_blocks+0x1de3/0x4840 fs/ext4/mballoc.c:4538 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..