Re: [RFC PATCH 3/3a] ptrace: add _ptrace_may_access()

[Chris Wright]

* Ingo Molnar (mingo@xxxxxxx) wrote:
> * Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> > Agreed, but what about security_operations->ptrace_may_access ?
> > It has the same (bad) name, but returns the error code or 0 on 
> > success.
> 
> Bad code should generally be fixed, or in exceptional circumstances 
> it can tolerated if it's pre-existing bad code, but it should never 
> be propagated. It has not spread _that_ widely yet, and is isolated 
> to the security subsystem:

And the security hooks tend to all follow the 0 success -ve ERR on error.
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