tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:397 [inline]
 tlb_flush_mmu+0xe9/0x5a0 mm/mmu_gather.c:404
 zap_pte_range mm/memory.c:1765 [inline]
 zap_pmd_range mm/memory.c:1818 [inline]
 zap_pud_range mm/memory.c:1847 [inline]
 zap_p4d_range mm/memory.c:1868 [inline]
 unmap_page_range+0x1f43/0x42c0 mm/memory.c:1889
 unmap_single_vma.constprop.0+0x153/0x240 mm/memory.c:1932
 unmap_vmas+0x218/0x470 mm/memory.c:1976
 exit_mmap+0x1b9/0xb90 mm/mmap.c:1280
 __mmput+0x12a/0x410 kernel/fork.c:1130
 mmput+0x62/0x70 kernel/fork.c:1152
 exit_mm kernel/exit.c:582 [inline]
 do_exit+0x7c7/0x2bf0 kernel/exit.c:949
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102
 get_signal+0x2673/0x26d0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 13581 Comm: syz.3.1536 Not tainted syzkaller #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: 17 1f c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 4a 1a c9 ff 85 ed 7e 17 e8 01 1f c9 ff 48 c7 c6 40 1d b9 8b 48 89 df e8 72 cf 11 00 90 <0f> 0b e8 ea 1e c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9000476f310 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0001ee0000 RCX: ffffc90010491000
RDX: 0000000000080000 RSI: ffffffff81f26f5e RDI: ffff88802684ccc4
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880232ceaa0
R13: ffffea0001ee0030 R14: 00000000000003f0 R15: ffffea0001ee0000
FS:  00007f11841346c0(0000) GS:ffff8881246b5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33d02ff8 CR3: 00000000669cc000 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:331 [inline]
 remove_inode_single_folio fs/hugetlbfs/inode.c:536 [inline]
 remove_inode_hugepages+0x74a/0xed0 fs/hugetlbfs/inode.c:593
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:716 [inline]
 hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:742
 vfs_fallocate+0x5b1/0x10e0 fs/open.c:342
 madvise_remove mm/madvise.c:1049 [inline]
 madvise_vma_behavior+0x2ad7/0x2d60 mm/madvise.c:1346
 madvise_walk_vmas+0x31f/0x9c0 mm/madvise.c:1669
 madvise_do_behavior+0x1e2/0x530 mm/madvise.c:1885
 do_madvise+0x176/0x240 mm/madvise.c:1978
 __do_sys_madvise mm/madvise.c:1987 [inline]
 __se_sys_madvise mm/madvise.c:1985 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1985
 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: 0033:0x7f118338ebe9
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:00007f1184134038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f11835c6270 RCX: 00007f118338ebe9
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007f1183411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f11835c6308 R14: 00007f11835c6270 R15: 00007ffcddbaa518
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154
Code: 17 1f c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 4a 1a c9 ff 85 ed 7e 17 e8 01 1f c9 ff 48 c7 c6 40 1d b9 8b 48 89 df e8 72 cf 11 00 90 <0f> 0b e8 ea 1e c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc9000476f310 EFLAGS: 00010046
RAX: 0000000000080000 RBX: ffffea0001ee0000 RCX: ffffc90010491000
RDX: 0000000000080000 RSI: ffffffff81f26f5e RDI: ffff88802684ccc4
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880232ceaa0
R13: ffffea0001ee0030 R14: 00000000000003f0 R15: ffffea0001ee0000
FS:  00007f11841346c0(0000) GS:ffff8881246b5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33d02ff8 CR3: 00000000669cc000 CR4: 00000000003526f0