BUG: sleeping function called from invalid context at mm/util.c:761
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1664, name: khugepaged
1 lock held by khugepaged/1664:
 #0: ffff88801115e670 (&mapping->private_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:359 [inline]
 #0: ffff88801115e670 (&mapping->private_lock){+.+.}-{2:2}, at: __buffer_migrate_page+0x3a8/0xa80 mm/migrate.c:722
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 1664 Comm: khugepaged Not tainted 5.14.0-rc2-next-20210722-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
 ___might_sleep.cold+0x1f3/0x239 kernel/sched/core.c:9182
 folio_copy+0x10c/0x1a0 mm/util.c:761
 folio_migrate_copy+0x19/0x30 mm/migrate.c:619
 __buffer_migrate_page+0x820/0xa80 mm/migrate.c:757
 move_to_new_page+0x339/0xf00 mm/migrate.c:904
 __unmap_and_move mm/migrate.c:1069 [inline]
 unmap_and_move mm/migrate.c:1210 [inline]
 migrate_pages+0x2867/0x3890 mm/migrate.c:1487
 compact_zone+0x1abb/0x3860 mm/compaction.c:2393
 compact_zone_order+0x165/0x270 mm/compaction.c:2513
 try_to_compact_pages+0x275/0x7e0 mm/compaction.c:2579
 __alloc_pages_direct_compact+0x132/0x510 mm/page_alloc.c:4356
 __alloc_pages_slowpath.constprop.0+0x92f/0x21b0 mm/page_alloc.c:5022
 __alloc_pages+0x412/0x500 mm/page_alloc.c:5387
 __alloc_pages_node include/linux/gfp.h:566 [inline]
 khugepaged_alloc_page+0xa0/0x170 mm/khugepaged.c:881
 collapse_huge_page mm/khugepaged.c:1084 [inline]
 khugepaged_scan_pmd mm/khugepaged.c:1367 [inline]
 khugepaged_scan_mm_slot mm/khugepaged.c:2149 [inline]
 khugepaged_do_scan mm/khugepaged.c:2230 [inline]
 khugepaged+0x3104/0x5390 mm/khugepaged.c:2275
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295