On Tue 2014-06-03 11:25:55, Greg KH wrote: > On Tue, Jun 03, 2014 at 10:14:41AM -0700, Linus Torvalds wrote: > > On Tue, Jun 3, 2014 at 10:02 AM, Greg KH <gre...@linuxfoundation.org> wrote: > > > > > > Hm, I got two different bug reports, and this same patch from two > > > different people insisting that we broke their drivers with the above > > > patches, and asked for this patch to be applied. > > > > So I do think that we might be able to apply this patch, but I think > > it needs a *lot* more thought than was obviously spent on it so far. > > > > For example, right now it's actively insecure. Do we care? Maybe we > > don't. The user-space uio side presumably is root-owned, and hopefully > > trusted. > > It better be trusted, as userspace has access to the "raw" hardware > here, and is getting notified about every irq that happens to the > device.
At the very least, we have (CAP_SYS_ADMIN?) should be required before allowing root to compromise kernel, no? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
