Sorry for the late answer. On Mon, Mar 14, 2005 at 11:37:19AM +0100, Eric Dumazet wrote: > > Hi Andi > > I tried to read /dev/kmem on x86_64 (linux-2.6.11) and got no success. > > read() or pread() returns EINVAL
Yes. I fixed this once for 2.4, but somehow the changes never made it into 2.6. The VFS code doesn't like negative offsets, and the kernel addresses are negative. > > I tried mmap() too : mmap() calls succeed, but as soon the user process > dereference memory, we get : Hmm, looks like a bug yes. I can reproduce it. Thanks for the report. Will investigate later. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
