BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 25487, name: syz.2.4178
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz.2.4178/25487:
 #0: ffff888028eb8420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 fs/splice.c:1157
 #1: ffff888022dc20c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #1: ffff888022dc20c8 (&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: 25487 Comm: syz.2.4178 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
 compact_zone+0x2734/0x4be0 mm/compaction.c:2689
 compact_node mm/compaction.c:2958 [inline]
 compact_nodes mm/compaction.c:2980 [inline]
 sysctl_compaction_handler+0x3a4/0x7b0 mm/compaction.c:3031
 proc_sys_call_handler+0x509/0x7c0 fs/proc/proc_sysctl.c:601
 iter_file_splice_write+0x937/0x1000 fs/splice.c:738
 do_splice_from fs/splice.c:935 [inline]
 direct_splice_actor+0xfe/0x160 fs/splice.c:1158
 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1102
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368
 __do_compat_sys_sendfile fs/read_write.c:1444 [inline]
 __se_compat_sys_sendfile fs/read_write.c:1433 [inline]
 __ia32_compat_sys_sendfile+0x120/0x1d0 fs/read_write.c:1433
 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: 0023:0xf7fd8539
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:00000000f50f655c EFLAGS: 00000206 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000003
RDX: 00000000800000c0 RSI: 000000000000000a RDI: 0000000000000000
RBP: 0000000000000000 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