------------[ cut here ]------------ kernel BUG at include/linux/highmem.h:275! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 7000 Comm: syz.1.74 Not tainted 6.12.0-rc1-syzkaller-g80cb3fb61135 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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:215 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:215 sp : ffff8000a0326b00 x29: ffff8000a0326c20 x28: 0000000000001000 x27: 1fffffbff87946c8 x26: fffffdffc3ca3640 x25: 0000000000000c00 x24: 0000000000001400 x23: dfff800000000000 x22: 0000000000001000 x21: 0000000000001400 x20: 0000000000000400 x19: fff1000040000000 x18: 0000000000002fff x17: 0004060000000014 x16: ffff8000830b4cd8 x15: 0000000000000003 x14: 0000000000000000 x13: 0000000000000406 x12: ffff0000edaa0000 x11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000edaa0000 x7 : ffff80008086b71c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000001400 x0 : 0000000000001000 Call trace: zero_user_segments include/linux/highmem.h:275 [inline] folio_zero_range include/linux/highmem.h:647 [inline] ntfs_extend_initialized_size+0x92c/0x938 fs/ntfs3/file.c:215 ntfs_extend+0x37c/0x3f0 fs/ntfs3/file.c:403 ntfs_file_write_iter+0x320/0x610 fs/ntfs3/file.c:1187 __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+0x30a8/0x3854 fs/binfmt_elf.c:2121 do_coredump+0x1d74/0x2764 fs/coredump.c:758 get_signal+0xf98/0x152c kernel/signal.c:2902 do_signal+0x1d8/0x4c44 arch/arm64/kernel/signal.c:1587 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:593 el0t_64_sync_handler+0xcc/0x108 arch/arm64/kernel/entry-common.c:753 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: aa1a03e0 97c4f8c6 d4210000 97b646b7 (d4210000) ---[ end trace 0000000000000000 ]---