On Thu, Dec 16, 2021 at 8:22 AM David Howells <dhowe...@redhat.com> wrote:
>
> It is possible for the len argument to afs_write_end() to overrun the end
> of the page (len is used to key the size of the page in afs_write_start()
> when compound pages become a regular thing).
This smells like a bug in the caller.
It's just insane to call "write_end()" with a range that doesn't
actually fit in the page provided.
Exactly how does that happen, and why should AFS deal with it, not
whoever called write_end()?
Linus
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