__folio_put+0x2b5/0x360 mm/swap.c:112
 free_huge_folio+0xeb0/0x1340 mm/hugetlb.c:-1
 folios_put_refs+0x5a2/0x800 mm/swap.c:973
 folio_batch_release include/linux/pagevec.h:101 [inline]
 remove_inode_hugepages+0xf39/0x11b0 fs/hugetlbfs/inode.c:602
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline]
 hugetlbfs_fallocate+0xc3f/0x11f0 fs/hugetlbfs/inode.c:745
 vfs_fallocate+0x627/0x7a0 fs/open.c:338
 madvise_remove mm/madvise.c:1034 [inline]
 madvise_vma_behavior mm/madvise.c:1263 [inline]
 madvise_walk_vmas mm/madvise.c:1530 [inline]
 madvise_do_behavior+0x1eda/0x4640 mm/madvise.c:1695
 do_madvise mm/madvise.c:1782 [inline]
 __do_sys_madvise mm/madvise.c:1790 [inline]
 __se_sys_madvise mm/madvise.c:1788 [inline]
 __ia32_sys_madvise+0x183/0x220 mm/madvise.c:1788
 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
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 19958 Comm: syz.3.3237 Not tainted 6.14.0-syzkaller-13546-g16cd1c265776 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154
Code: 5b c6 ff 48 89 df 48 c7 c6 c0 10 54 8c e8 ab a4 12 00 90 0f 0b e8 33 5b c6 ff 48 89 df 48 c7 c6 a0 0f 54 8c e8 94 a4 12 00 90 <0f> 0b e8 1c 5b c6 ff 48 89 df 48 c7 c6 c0 10 54 8c e8 7d a4 12 00
RSP: 0018:ffffc900039ceff0 EFLAGS: 00010046
RAX: a014076159f75500 RBX: ffffea0000ef0000 RCX: 0000000000000005
RDX: ffffc90011831000 RSI: ffffffff8e4fd4fc RDI: ffffffff8ca1b660
RBP: 0000000000000000 R08: ffffffff823946f6 R09: 1ffff110170c47d2
R10: dffffc0000000000 R11: ffffed10170c47d3 R12: dffffc0000000000
R13: 1ffffd40001de001 R14: ffff88805b2e2aa0 R15: ffffea0000ef0008
FS:  0000000000000000(0000) GS:ffff888124f96000(0063) knlGS:00000000f4be1b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080035018 CR3: 000000002f3b6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __filemap_remove_folio+0xc9/0x660 mm/filemap.c:223
 filemap_remove_folio+0xe1/0x1f0 mm/filemap.c:253
 hugetlb_delete_from_page_cache fs/hugetlbfs/inode.c:334 [inline]
 remove_inode_single_folio fs/hugetlbfs/inode.c:539 [inline]
 remove_inode_hugepages+0x5d2/0x11b0 fs/hugetlbfs/inode.c:596
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline]
 hugetlbfs_fallocate+0xc3f/0x11f0 fs/hugetlbfs/inode.c:745
 vfs_fallocate+0x627/0x7a0 fs/open.c:338
 madvise_remove mm/madvise.c:1034 [inline]
 madvise_vma_behavior mm/madvise.c:1263 [inline]
 madvise_walk_vmas mm/madvise.c:1530 [inline]
 madvise_do_behavior+0x1eda/0x4640 mm/madvise.c:1695
 do_madvise mm/madvise.c:1782 [inline]
 __do_sys_madvise mm/madvise.c:1790 [inline]
 __se_sys_madvise mm/madvise.c:1788 [inline]
 __ia32_sys_madvise+0x183/0x220 mm/madvise.c:1788
 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: 0023:0xf7f23579
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 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f4be155c EFLAGS: 00000206 ORIG_RAX: 00000000000000db
RAX: ffffffffffffffda RBX: 0000000080000000 RCX: 0000000000600002
RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x73d/0x7d0 mm/filemap.c:154
Code: 5b c6 ff 48 89 df 48 c7 c6 c0 10 54 8c e8 ab a4 12 00 90 0f 0b e8 33 5b c6 ff 48 89 df 48 c7 c6 a0 0f 54 8c e8 94 a4 12 00 90 <0f> 0b e8 1c 5b c6 ff 48 89 df 48 c7 c6 c0 10 54 8c e8 7d a4 12 00
RSP: 0018:ffffc900039ceff0 EFLAGS: 00010046
RAX: a014076159f75500 RBX: ffffea0000ef0000 RCX: 0000000000000005
RDX: ffffc90011831000 RSI: ffffffff8e4fd4fc RDI: ffffffff8ca1b660
RBP: 0000000000000000 R08: ffffffff823946f6 R09: 1ffff110170c47d2
R10: dffffc0000000000 R11: ffffed10170c47d3 R12: dffffc0000000000
R13: 1ffffd40001de001 R14: ffff88805b2e2aa0 R15: ffffea0000ef0008
FS:  0000000000000000(0000) GS:ffff888124f96000(0063) knlGS:00000000f4be1b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080035018 CR3: 000000002f3b6000 CR4: 00000000003526f0
----------------
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:	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