free_huge_folio+0x85b/0x1050 mm/hugetlb.c:1885
 folios_put_refs+0x4e7/0x740 mm/swap.c:973
 folio_batch_release include/linux/pagevec.h:101 [inline]
 remove_inode_hugepages+0xbd6/0xeb0 fs/hugetlbfs/inode.c:602
 hugetlbfs_evict_inode+0x90/0x250 fs/hugetlbfs/inode.c:617
 evict+0x3e6/0x920 fs/inode.c:810
 iput_final fs/inode.c:1898 [inline]
 iput fs/inode.c:1924 [inline]
 iput+0x521/0x880 fs/inode.c:1910
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:457
 __dentry_kill+0x1d0/0x600 fs/dcache.c:660
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:902
 dput+0x1f/0x30 fs/dcache.c:892
 __fput+0x51c/0xb70 fs/file_table.c:473
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 9213 Comm: syz.4.877 Not tainted 6.15.0-rc6-syzkaller-00208-g3c21441eeffc #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154
Code: 27 db c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 5a d6 c9 ff 85 ed 7e 17 e8 11 db c9 ff 48 c7 c6 a0 e3 98 8b 48 89 df e8 f2 ae 11 00 90 <0f> 0b e8 fa da c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90003f7f550 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0001340000 RCX: ffffc90013318000
RDX: 0000000000080000 RSI: ffffffff81f16a8e RDI: ffff88801f7b0444
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888022ebe080
R13: ffffea0001340030 R14: 0000000000000000 R15: ffffea0001340000
FS:  00007fc79c9b06c0(0000) GS:ffff888124ae3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000002b4b0 CR3: 000000007de48000 CR4: 0000000000350ef0
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:334 [inline]
 remove_inode_single_folio fs/hugetlbfs/inode.c:539 [inline]
 remove_inode_hugepages+0x731/0xeb0 fs/hugetlbfs/inode.c:596
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline]
 hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:745
 vfs_fallocate+0x60b/0x10b0 fs/open.c:338
 madvise_remove mm/madvise.c:1034 [inline]
 madvise_vma_behavior+0x1a75/0x1d50 mm/madvise.c:1263
 madvise_walk_vmas+0x1d1/0x2c0 mm/madvise.c:1530
 madvise_do_behavior+0x12b/0x3b0 mm/madvise.c:1695
 do_madvise mm/madvise.c:1782 [inline]
 do_madvise+0x10b/0x170 mm/madvise.c:1773
 __do_sys_madvise mm/madvise.c:1790 [inline]
 __se_sys_madvise mm/madvise.c:1788 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1788
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc79f38e969
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:00007fc79c9b0038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fc79f5b6320 RCX: 00007fc79f38e969
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007fc79f410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc79f5b6320 R15: 00007fff165c7da8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154
Code: 27 db c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 5a d6 c9 ff 85 ed 7e 17 e8 11 db c9 ff 48 c7 c6 a0 e3 98 8b 48 89 df e8 f2 ae 11 00 90 <0f> 0b e8 fa da c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90003f7f550 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0001340000 RCX: ffffc90013318000
RDX: 0000000000080000 RSI: ffffffff81f16a8e RDI: ffff88801f7b0444
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888022ebe080
R13: ffffea0001340030 R14: 0000000000000000 R15: ffffea0001340000
FS:  00007fc79c9b06c0(0000) GS:ffff888124ae3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000002b4b0 CR3: 000000007de48000 CR4: 0000000000350ef0