On Mon, Feb 06, 2023 at 09:19:26PM -0500, Mouse wrote: > Perhaps the simplest is > > dd if=/dev/urandom bs=65536 of=/dev/mem > > but there are others. > > Yet I can't help feeling that there is some sense in which it *is* fair > to say that userland should never be able to crash the kernel. I have > been mulling over this paradox for some time but have not come up with > an alternative phrasing that avoids the reasonable crashes while still > capturing a significant fraction of the useful meaning.
Arguably, /dev/mem just shouldn't exist... I'm not sure there are actually reasonable crashes. -- David A. Holland dholl...@netbsd.org