BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6375, name: syz.4.85
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by syz.4.85/6375:
 #0: ffff888148d4da48 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #0: ffff888148d4da48 (&mapping->i_private_lock){+.+.}-{3:3}, at: __buffer_migrate_folio+0x240/0x620 mm/migrate.c:853
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 6375 Comm: syz.4.85 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __might_resched+0x495/0x610 kernel/sched/core.c:8818
 folio_mc_copy+0x141/0x1d0 mm/util.c:743
 __migrate_folio mm/migrate.c:758 [inline]
 filemap_migrate_folio+0xba/0x4c0 mm/migrate.c:943
 __buffer_migrate_folio+0x430/0x620 mm/migrate.c:874
 move_to_new_folio+0x2df/0xb10 mm/migrate.c:1050
 migrate_folio_move mm/migrate.c:1358 [inline]
 migrate_folios_move mm/migrate.c:1710 [inline]
 migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1957
 migrate_pages_sync mm/migrate.c:1987 [inline]
 migrate_pages+0x1b3b/0x2850 mm/migrate.c:2096
 do_mbind mm/mempolicy.c:1425 [inline]
 kernel_mbind mm/mempolicy.c:1568 [inline]
 __do_sys_mbind mm/mempolicy.c:1642 [inline]
 __se_sys_mbind+0xa3e/0xc30 mm/mempolicy.c:1638
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf70fe539
Code: 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 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f50ee55c EFLAGS: 00000206 ORIG_RAX: 0000000000000112
RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 0000000000600000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   4:	10 07                	adc    %al,(%rdi)
   6:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   a:	10 08                	adc    %cl,(%rax)
   c:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop