__update_and_free_hugetlb_folio+0x1e3/0x420 mm/hugetlb.c:1653
 update_and_free_hugetlb_folio+0xce/0x210 mm/hugetlb.c:1708
 free_huge_folio+0x85b/0x1050 mm/hugetlb.c:1886
 folios_put_refs+0x4e7/0x740 mm/swap.c:973
 folio_batch_release include/linux/pagevec.h:101 [inline]
 remove_inode_hugepages+0xbef/0xed0 fs/hugetlbfs/inode.c:603
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:720 [inline]
 hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:746
 vfs_fallocate+0x592/0x10c0 fs/open.c:342
 madvise_remove mm/madvise.c:1043 [inline]
 madvise_vma_behavior+0x21ca/0x2420 mm/madvise.c:1274
 madvise_walk_vmas+0x1d1/0x2c0 mm/madvise.c:1541
 madvise_do_behavior+0x15d/0x3f0 mm/madvise.c:1733
 do_madvise+0x161/0x230 mm/madvise.c:1826
 __do_sys_madvise mm/madvise.c:1835 [inline]
 __se_sys_madvise mm/madvise.c:1833 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1833
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 20279 Comm: syz.1.3749 Not tainted 6.16.0-syzkaller-08685-g260f6f4fda93 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154
Code: 87 3c c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 ba 37 c9 ff 85 ed 7e 17 e8 71 3c c9 ff 48 c7 c6 60 19 b9 8b 48 89 df e8 d2 b8 11 00 90 <0f> 0b e8 5a 3c c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9001c64f3d0 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0000f20000 RCX: ffffc90012a7a000
RDX: 0000000000080000 RSI: ffffffff81f246de RDI: ffff888069158444
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888057696590
R13: ffffea0000f20030 R14: 00000000000005a0 R15: ffffea0000f20000
FS:  00007f61316516c0(0000) GS:ffff888124819000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000140 CR3: 000000002a6fe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __filemap_remove_folio mm/filemap.c:223 [inline]
 filemap_remove_folio+0xf1/0x250 mm/filemap.c:253
 hugetlb_delete_from_page_cache fs/hugetlbfs/inode.c:335 [inline]
 remove_inode_single_folio fs/hugetlbfs/inode.c:540 [inline]
 remove_inode_hugepages+0x74a/0xed0 fs/hugetlbfs/inode.c:597
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:720 [inline]
 hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:746
 vfs_fallocate+0x592/0x10c0 fs/open.c:342
 madvise_remove mm/madvise.c:1043 [inline]
 madvise_vma_behavior+0x21ca/0x2420 mm/madvise.c:1274
 madvise_walk_vmas+0x1d1/0x2c0 mm/madvise.c:1541
 madvise_do_behavior+0x15d/0x3f0 mm/madvise.c:1733
 do_madvise+0x161/0x230 mm/madvise.c:1826
 __do_sys_madvise mm/madvise.c:1835 [inline]
 __se_sys_madvise mm/madvise.c:1833 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1833
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f613078e9a9
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:00007f6131651038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f61309b6320 RCX: 00007f613078e9a9
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007f6130810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f61309b6320 R15: 00007fffb35d93d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154
Code: 87 3c c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 ba 37 c9 ff 85 ed 7e 17 e8 71 3c c9 ff 48 c7 c6 60 19 b9 8b 48 89 df e8 d2 b8 11 00 90 <0f> 0b e8 5a 3c c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9001c64f3d0 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0000f20000 RCX: ffffc90012a7a000
RDX: 0000000000080000 RSI: ffffffff81f246de RDI: ffff888069158444
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888057696590
R13: ffffea0000f20030 R14: 00000000000005a0 R15: ffffea0000f20000
FS:  00007f61316516c0(0000) GS:ffff888124819000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000140 CR3: 000000002a6fe000 CR4: 00000000003526f0