------------[ cut here ]------------
WARNING: CPU: 1 PID: 11445 at ./include/linux/memcontrol.h:382 folio_memcg+0x1a8/0x310
Modules linked in:
CPU: 1 UID: 0 PID: 11445 Comm: syz.8.1007 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:folio_memcg+0x1a8/0x310
Code: 80 3c 28 00 74 08 4c 89 f7 e8 44 dc fa ff 4d 8b 36 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 59 f7 94 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:ffffc90005ec6d88 EFLAGS: 00010246
RAX: ffffffff822b24b7 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90028d49000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed102244be55 R12: ffffea0000e44030
R13: dffffc0000000000 R14: ffff888109ea3480 R15: 0000000000000002
FS:  00007f96123f66c0(0000) GS:ffff8882a9f32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96143b8638 CR3: 000000012010c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __folio_split+0xb1/0x25e0
 split_folio_to_list+0x76/0x150
 madvise_cold_or_pageout_pte_range+0xbf3/0x1cd0
 walk_pgd_range+0x1037/0x1d30
 __walk_page_range+0x14c/0x710
 walk_page_range_vma+0x393/0x440
 madvise_vma_behavior+0x2f27/0x3d70
 madvise_walk_vmas+0x51c/0xa30
 madvise_do_behavior+0x38e/0x550
 do_madvise+0x1bc/0x270
 __x64_sys_madvise+0xa7/0xc0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f961418efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96123f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f96143e6090 RCX: 00007f961418efc9
RDX: 0000000000000015 RSI: 7fffffffffffffff RDI: 0000200000000000
RBP: 00007f9614211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f96143e6128 R14: 00007f96143e6090 R15: 00007ffeaeb04668
 </TASK>
