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SubjectRe: [PATCH] vboxsf: Replace all non-returning strlcpy with strscpy
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Hi,

On 5/10/23 23:11, Azeem Shaikh wrote:
> strlcpy() reads the entire source buffer first.
> This read may exceed the destination size limit.
> This is both inefficient and can lead to linear read
> overflows if a source string is not NUL-terminated [1].
> In an effort to remove strlcpy() completely [2], replace
> strlcpy() here with strscpy().
> No return values were used, so direct replacement is safe.
>
> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
> [2] https://github.com/KSPP/linux/issues/89
>
> Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans



> ---
> fs/vboxsf/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
> index d2f6df69f611..1fb8f4df60cb 100644
> --- a/fs/vboxsf/super.c
> +++ b/fs/vboxsf/super.c
> @@ -176,7 +176,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
> }
> folder_name->size = size;
> folder_name->length = size - 1;
> - strlcpy(folder_name->string.utf8, fc->source, size);
> + strscpy(folder_name->string.utf8, fc->source, size);
> err = vboxsf_map_folder(folder_name, &sbi->root);
> kfree(folder_name);
> if (err) {

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