BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6194, name: syz.0.71
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by syz.0.71/6194:
 #0: ffff8880425c1548 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #0: ffff8880425c1548 (&mapping->i_private_lock){+.+.}-{3:3}, at: __buffer_migrate_folio+0x25b/0x690 mm/migrate.c:853
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 2 UID: 0 PID: 6194 Comm: syz.0.71 Not tainted 6.15.0-rc3-syzkaller-00244-gc3137514f1f1 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 __might_resched+0x3c0/0x5e0 kernel/sched/core.c:8818
 folio_mc_copy+0xfb/0x190 mm/util.c:743
 __migrate_folio.constprop.0+0xa1/0x3d0 mm/migrate.c:758
 filemap_migrate_folio mm/migrate.c:943 [inline]
 __buffer_migrate_folio+0x5cd/0x690 mm/migrate.c:874
 move_to_new_folio+0x1d9/0x700 mm/migrate.c:1050
 migrate_folio_move mm/migrate.c:1358 [inline]
 migrate_folios_move mm/migrate.c:1710 [inline]
 migrate_pages_batch+0x201d/0x31a0 mm/migrate.c:1957
 migrate_pages_sync+0x12d/0x8a0 mm/migrate.c:1987
 migrate_pages+0x1b28/0x2350 mm/migrate.c:2096
 do_mbind+0x6f0/0xf30 mm/mempolicy.c:1425
 kernel_mbind+0x1e3/0x1f0 mm/mempolicy.c:1568
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fd8579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f50b455c EFLAGS: 00000296 ORIG_RAX: 0000000000000112
RAX: ffffffffffffffda RBX: 0000000080001000 RCX: 0000000000800000
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi