arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:154! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 8925 Comm: syz.3.689 Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:filemap_unaccount_folio+0x715/0x790 mm/filemap.c:154 Code: 58 c9 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 c3 f2 10 00 90 0f 0b e8 5b 58 c9 ff 48 89 df 48 c7 c6 c0 35 94 8b e8 ac f2 10 00 90 <0f> 0b e8 44 58 c9 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 95 f2 10 00 RSP: 0018:ffffc9000b5b70e0 EFLAGS: 00010046 RAX: 0d9564cb5d68bf00 RBX: ffffea0001228000 RCX: 0d9564cb5d68bf00 RDX: 0000000000000005 RSI: ffffffff8db6dd50 RDI: ffff8880250f8000 RBP: 0000000000000001 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040 R13: 1ffffd4000245000 R14: 1ffffd4000245001 R15: ffffea0001228008 FS: 00007f247376d6c0(0000) GS:ffff888125d52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f247376dd58 CR3: 00000000796d0000 CR4: 00000000003526f0 Call Trace: __filemap_remove_folio+0xc3/0x500 mm/filemap.c:223 filemap_remove_folio+0xe6/0x1f0 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+0x594/0x1100 fs/hugetlbfs/inode.c:596 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline] hugetlbfs_fallocate+0xbc7/0x1100 fs/hugetlbfs/inode.c:745 vfs_fallocate+0x6a0/0x830 fs/open.c:341 madvise_remove mm/madvise.c:1041 [inline] madvise_vma_behavior mm/madvise.c:1272 [inline] madvise_walk_vmas mm/madvise.c:1539 [inline] madvise_do_behavior+0x169d/0x2e70 mm/madvise.c:1731 do_madvise+0x174/0x220 mm/madvise.c:1824 __do_sys_madvise mm/madvise.c:1833 [inline] __se_sys_madvise mm/madvise.c:1831 [inline] __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:1831 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f247298e929 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:00007f247376d038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f2472bb6400 RCX: 00007f247298e929 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000 RBP: 00007f2472a10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f2472bb6400 R15: 00007f2472cdfa28 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0x715/0x790 mm/filemap.c:154 Code: 58 c9 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 c3 f2 10 00 90 0f 0b e8 5b 58 c9 ff 48 89 df 48 c7 c6 c0 35 94 8b e8 ac f2 10 00 90 <0f> 0b e8 44 58 c9 ff 48 89 df 48 c7 c6 e0 36 94 8b e8 95 f2 10 00 RSP: 0018:ffffc9000b5b70e0 EFLAGS: 00010046 RAX: 0d9564cb5d68bf00 RBX: ffffea0001228000 RCX: 0d9564cb5d68bf00 RDX: 0000000000000005 RSI: ffffffff8db6dd50 RDI: ffff8880250f8000 RBP: 0000000000000001 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040 R13: 1ffffd4000245000 R14: 1ffffd4000245001 R15: ffffea0001228008 FS: 00007f247376d6c0(0000) GS:ffff888125d52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f247376dd58 CR3: 00000000796d0000 CR4: 00000000003526f0