Re: [PATCH] ubifs: prevent corrupted data write via error_remove_folio

From: xu.xin16

Date: Wed Feb 11 2026 - 04:33:34 EST


> From: Jinpeng Cui <cui.jinpeng2@xxxxxxxxxx>
>
> When a memory corruption event triggers memory_failure, ext4 releases references to the affected dirty pages,
> ensuring that no corrupted data is written to disk. However, ubifs currently lacks the error_remove_folio capability
> and therefore cannot release references to faulty private memory. As a result, corrupted data may eventually be
> written to flash storage.
>
> Add generic_error_remove_folio support to ubifs, preventing corrupted memory data from being persisted to flash.

The commit description is unwrapped (exceeds 75 chars per line).

>
> Signed-off-by: Jinpeng Cui <cui.jinpeng2@xxxxxxxxxx>
> Signed-off-by: Fan Yu <fan.yu9@xxxxxxxxxx>
> Cc: Shengming Hu <hu.shengming@xxxxxxxxxx>
> ---
> fs/ubifs/file.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
> index 3dc3ca1..34445b7 100644
> --- a/fs/ubifs/file.c
> +++ b/fs/ubifs/file.c
> @@ -1631,6 +1631,7 @@ static int ubifs_symlink_getattr(struct mnt_idmap *idmap,
> .dirty_folio = ubifs_dirty_folio,
> .migrate_folio = filemap_migrate_folio,
> .release_folio = ubifs_release_folio,
> + .error_remove_folio = generic_error_remove_folio,

There's a space at the start of a line. Try to use ./scripts/checkpatch.pl.

Thanks.


> };
>
> const struct inode_operations ubifs_file_inode_operations = {
> --
> 1.8.3.1
>

Xu Xin