change coming with maverick's 2.6.34-5 kernels

[Steve Langasek]

On Sun, May 30, 2010 at 10:03:45PM -0700, Kees Cook wrote:
> Each option has a sysctl associated with it that you can toggle locally if
> you want to restore the original behavior:
> 
>  a) /proc/sys/kernel/ptrace_scope: "0" allows original ptrace behavior
> 
>  b) /proc/sys/fs/weak-sticky-symlinks: "1" allows original symlink behavior
> 
>  c) /proc/sys/fs/weak-nonaccess-hardlinks: "1" allows original link behavior

> I expect that the PTRACE changes will cause the greatest surprise.  Since
> PTRACE is rarely needed by normal users, this change makes sense for the
> default install, but is going to cause irritation for developers and system
> administrators.  To that end, I'd like to get feedback on how best to
> address this situation.

If a) does wind up being delivered in maverick (I see there's currently some
push-back), please open a bug on the ubuntu-release-notes project with this
information.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org