[U-Boot] [PATCH v3 2/4] usb/gadget: fastboot: add eMMC support for flash command

Marek Vasut marex at denx.de
Thu Aug 7 15:43:44 CEST 2014


On Thursday, August 07, 2014 at 03:28:14 PM, Pantelis Antoniou wrote:
> Hi Marek,
> 
> [snip]
> 
> >> I don't want to be the first to defined it for all of armv7....
> > 
> > Honestly, we should just enable this CONFIG_SYS_VSNPRINTF by default for
> > the good of humanity and all the things, since this unbounded string
> > handling is just evil (see how OpenSSL ended up, partly because of that
> > ... and I am just starting to see the pattern in all the security code).
> > I don't want to go down that road with U-Boot.
> > 
> > So, would you please cook a separate patch to enable this by default, so
> > it would spur the right kind of discussion on this matter ?
> 
> We should enable this by default. Unbounded string handling scares me.
> 
> If we have problems with blowing over SPL size restrictions, perhaps have
> it disabled only on those cases (that are known to have a problem).

Right, I fully agree with what you said. The SPL and TPL might have issues with 
this being enabled, but then this can be enabled for full-blown U-Boot only.

But this discussion should happen in a thread associated with patch enabling 
this. ;-)

Best regards,
Marek Vasut


More information about the U-Boot mailing list