------------[ 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: 8657 Comm: syz.0.355 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 : ffff80009e8c6980 x29: ffff80009e8c6aa0 x28: 0000000000001000 x27: 1fffffbff87ee398 x26: fffffdffc3f71cc0 x25: 0000000000000003 x24: 0000000000001d01 x23: dfff800000000000 x22: 0000000000001000 x21: 0000000000001d01 x20: 0000000000000d01 x19: fff1000040000000 x18: ffff80009e8c63e0 x17: 0000000000048f01 x16: ffff8000831615b0 x15: 0000000000000001 x14: 1fffe0001e252874 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001e252875 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000f5940000 x7 : ffff80008184ffa8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800080cd0454 x2 : 0000000000000001 x1 : 0000000000001d01 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 __kernel_write+0x11c/0x174 fs/read_write.c:636 __dump_emit fs/coredump.c:807 [inline] dump_emit+0x248/0x358 fs/coredump.c:844 writenote+0x1b8/0x334 fs/binfmt_elf.c:1469 write_note_info fs/binfmt_elf.c:1957 [inline] elf_core_dump+0x2c44/0x387c fs/binfmt_elf.c:2114 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 ]---