Re: [PATCH v2] usbip: usbip_host: Replace strlcpy with strscpy

[Azeem Shaikh]

On Thu, Jun 15, 2023 at 5:33 AM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Jun 14, 2023 at 02:10:26PM +0000, 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().
> >
> > Direct replacement is safe here since return value of -errno
> > is used to check for truncation instead of sizeof(dest).
> >
> > [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@xxxxxxxxx>
> > ---
> > v1: https://lore.kernel.org/all/20230613004402.3540432-1-azeemshaikh38@xxxxxxxxx/
> >
> > Changes from v1 - uses "< 0" instead of "== -E2BIG".
>
> Please fix the reported errors from the build bot.
>

Sorry about that, I was hasty with sending out v2. Sent out a build tested v3.