------------[ cut here ]------------ kernel BUG at include/linux/highmem.h:275! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 9993 Comm: syz.3.352 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : zero_user_segments include/linux/highmem.h:275 [inline] pc : folio_zero_range include/linux/highmem.h:647 [inline] pc : ntfs_extend_initialized_size+0x92c/0x938 fs/ntfs3/file.c:225 lr : zero_user_segments include/linux/highmem.h:275 [inline] lr : folio_zero_range include/linux/highmem.h:647 [inline] lr : ntfs_extend_initialized_size+0x92c/0x938 fs/ntfs3/file.c:225 sp : ffff80009bf06a80 x29: ffff80009bf06ba0 x28: 0000000000001000 x27: 1fffffbff881fff0 x26: fffffdffc40fff80 x25: 0000000000000800 x24: 0000000000001800 x23: dfff800000000000 x22: 0000000000001000 x21: 0000000000001800 x20: 0000000000000800 x19: fff1000040000000 x18: 0000000000002fff x17: 0004060000000014 x16: ffff800083161638 x15: 0000000000000003 x14: 0000000000000000 x13: 0000000000000406 x12: ffff0000c5181e40 x11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c5181e40 x7 : ffff80008086bf84 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000001800 x0 : 0000000000001000 Call trace: zero_user_segments include/linux/highmem.h:275 [inline] (P) folio_zero_range include/linux/highmem.h:647 [inline] (P) ntfs_extend_initialized_size+0x92c/0x938 fs/ntfs3/file.c:225 (P) zero_user_segments include/linux/highmem.h:275 [inline] (L) folio_zero_range include/linux/highmem.h:647 [inline] (L) ntfs_extend_initialized_size+0x92c/0x938 fs/ntfs3/file.c:225 (L) ntfs_extend+0x454/0x8e8 fs/ntfs3/file.c:413 ntfs_file_write_iter+0x324/0x630 fs/ntfs3/file.c:1254 __kernel_write_iter+0x340/0x794 fs/read_write.c:616 dump_emit_page fs/coredump.c:884 [inline] dump_user_range+0x378/0x6b4 fs/coredump.c:945 elf_core_dump+0x30e0/0x387c fs/binfmt_elf.c:2127 do_coredump+0x1d74/0x2764 fs/coredump.c:758 get_signal+0xf98/0x152c kernel/signal.c:2903 do_signal+0x1b0/0x391c arch/arm64/kernel/signal.c:1645 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_da+0xbc/0x178 arch/arm64/kernel/entry-common.c:605 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: aa1a03e0 97c299d4 d4210000 97b3e5db (d4210000) ---[ end trace 0000000000000000 ]---