======================================================= ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Mem abort info: ESR = 0x0000000086000006 EC = 0x21: IABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault user pgtable: 4k pages, 48-bit VAs, pgdp=0000000114aa5000 [0000000000000000] pgd=0800000113f2c003, p4d=0800000113f2c003, pud=0800000113f2d003, pmd=0000000000000000 Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4221 Comm: syz-executor197 Not tainted 6.1.64-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : 0x0 lr : folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2749 sp : ffff80001db37640 x29: ffff80001db37640 x28: 0000000000000000 x27: 0000000000000800 x26: 0000000000000000 x25: fffffc00062012c8 x24: 05ffc00000000007 x23: 1fffff8000c40259 x22: dfff800000000000 x21: ffff800012591e98 x20: ffff0000df1ff318 x19: fffffc00062012c0 x18: ffff80001db370c0 x17: 0004060000000014 x16: ffff8000120877c0 x15: 000000000000b6e1 x14: 0000000052a27f7f x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000877645c x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff800009688b24 x2 : 0000000000000001 x1 : fffffc00062012c0 x0 : ffff0000df1ff318 Call trace: 0x0 set_page_dirty+0x58/0x78 mm/folio-compat.c:62 ntfs_sparse_cluster+0x6fc/0xa58 fs/ntfs3/file.c:335 ntfs_fallocate+0x8b0/0xd88 fs/ntfs3/file.c:727 vfs_fallocate+0x478/0x5b4 fs/open.c:323 ioctl_preallocate+0x278/0x324 fs/ioctl.c:290 do_vfs_ioctl+0x1ad8/0x26f8 fs/ioctl.c:849 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: bad PC value ---[ end trace 0000000000000000 ]---