Re: [PATCH v35 0/1] MR10192: kernelbase: Handle extended length path prefix in GetLongPathNameW

[Akihiro Sagawa (＠sgwaki)]

Akihiro Sagawa (@sgwaki) commented about dlls/kernelbase/file.c:
> return 0;
>      }
>
> +    /* Handle \\?\ prefix (Extended Length Path) */
> +    if (shortpath[0] == '\\' && shortpath[1] == '\\' && shortpath[2] == '?' &&
> +        shortpath[3] == '\\') {

At this point, we haven't yet confirmed that `shortpath` has at least four characters, so its length should be checked before comparison.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10192#note_133722