0 pages HighMem/MovableOnly 342853 pages reserved 0 pages cma reserved Out of memory: Kill process 6071 (syz-executor401) score 0 or sacrifice child Killed process 6071 (syz-executor401) total-vm:17720kB, anon-rss:2100kB, file-rss:24kB, shmem-rss:0kB Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 4.20.0-rc7+ #379 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+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 schedule_debug kernel/sched/core.c:3285 [inline] __schedule+0x21c6/0x21d0 kernel/sched/core.c:3394 preempt_schedule_irq+0xb9/0x140 kernel/sched/core.c:3699 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:3884 Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d 8c 29 f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 RSP: 0018:ffff8881d9449178 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000282 RCX: ffffffff81b7a470 RDX: 1ffffffff12a401e RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff8881d9449198 R08: ffff8881d9442580 R09: ffffed1037da5216 R10: ffffed1037da5216 R11: ffff8881bed290b3 R12: ffff8881d9442580 R13: 0000000000000000 R14: ffffffff88337e40 R15: 0000000000000752 lock_is_held include/linux/lockdep.h:339 [inline] ___might_sleep+0x27f/0x340 kernel/sched/core.c:6113 rmap_walk_file+0x73f/0x1190 mm/rmap.c:1874 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+0x4aab/0xccd0 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+0x3e7/0x1290 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+0xa48/0x2de0 mm/page_alloc.c:4185