------------[ cut here ]------------
WARNING: ./include/linux/memcontrol.h:381 at obj_cgroup_memcg include/linux/memcontrol.h:381 [inline], CPU#0: syz.7.2085/13841
WARNING: ./include/linux/memcontrol.h:381 at folio_memcg+0x1a8/0x310 include/linux/memcontrol.h:449, CPU#0: syz.7.2085/13841
Modules linked in:
CPU: 0 UID: 0 PID: 13841 Comm: syz.7.2085 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:obj_cgroup_memcg include/linux/memcontrol.h:381 [inline]
RIP: 0010:folio_memcg+0x1a8/0x310 include/linux/memcontrol.h:449
Code: 80 3c 28 00 74 08 4c 89 f7 e8 14 af fb ff 4d 8b 36 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 e9 b6 95 ff 90 <0f> 0b 90 eb c5 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c fe fe ff ff
RSP: 0018:ffffc90003cfede8 EFLAGS: 00010287
RAX: ffffffff822b9377 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cd49000 RSI: 0000000000000e7a RDI: 0000000000000e7b
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: ffffed100eaf6219 R12: ffffea00018a8030
R13: dffffc0000000000 R14: ffff88802908bf80 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff888126094000(0063) knlGS:00000000f54a5b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7fc6e40 CR3: 000000004c6de000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 get_deferred_split_queue mm/huge_memory.c:1084 [inline]
 __folio_split+0xb3/0x1af0 mm/huge_memory.c:3611
 madvise_cold_or_pageout_pte_range+0xbe5/0x1d00 mm/madvise.c:505
 walk_pmd_range mm/pagewalk.c:130 [inline]
 walk_pud_range mm/pagewalk.c:224 [inline]
 walk_p4d_range mm/pagewalk.c:262 [inline]
 walk_pgd_range+0xfe9/0x1d40 mm/pagewalk.c:303
 __walk_page_range+0x14c/0x710 mm/pagewalk.c:410
 walk_page_range_vma+0x393/0x440 mm/pagewalk.c:717
 madvise_cold_page_range mm/madvise.c:588 [inline]
 madvise_cold mm/madvise.c:608 [inline]
 madvise_vma_behavior+0x20cd/0x39c0 mm/madvise.c:1350
 madvise_walk_vmas+0x51c/0xa30 mm/madvise.c:1669
 madvise_do_behavior+0x38e/0x550 mm/madvise.c:1885
 do_madvise+0x1bc/0x270 mm/madvise.c:1978
 __do_sys_madvise mm/madvise.c:1987 [inline]
 __se_sys_madvise mm/madvise.c:1985 [inline]
 __ia32_sys_madvise+0xa7/0xc0 mm/madvise.c:1985
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x1f7/0x570 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fd2539
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:00000000f54a555c EFLAGS: 00000206 ORIG_RAX: 00000000000000db
RAX: ffffffffffffffda RBX: 0000000080003000 RCX: 0000000084acbfff
RDX: 0000000000000014 RSI: 0000000000000000 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