Re: [PATCH] ptrace: it is fun to strace /sbin/init

[Andrew Morton]

On Sun, 23 Mar 2008 16:51:10 +0300
Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> Ptracing of /sbin/init is not allowed. Of course, this is dangerous, but may
> be useful. Introduce the kernel boot parameter to allow this, so that we can't
> surprise some special/secured systems.

I dunno, is this really needed?  If root wants to screw up his kernel then
he is free to do so.

And if we *really* want an extra foot-protector for this, it could be a
runtime /proc/sys/kernel/root-can-shoot-inits-foot rather than a boot-time
option?

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