Omar Sandoval <osandov@xxxxxxxxxxx> wrote:
> From: Omar Sandoval <osandov@xxxxxx>
>
> The recent conversion to inline functions made two mistakes:
>
> 1. It tries to copy the full amount requested (bytes), not just what's
> available in the kmap'd page (n).
> 2. It's not applying the offset in the first page.
>
> Note that copy_page_to_iter_nofault() is only used by /proc/kcore. This
> was detected by drgn's test suite.
>
> Fixes: f1982740f5e7 ("iov_iter: Convert iterate*() to inline funcs")
> Signed-off-by: Omar Sandoval <osandov@xxxxxx>
Acked-by: David Howells <dhowells@xxxxxxxxxx>
