Re: [PATCH] coredump: fix pipe coredump when core limit is 0

[Oleg Nesterov]

On 08/25, Neil Horman wrote:
>
> On Thu, Aug 25, 2011 at 05:57:35PM +0200, Oleg Nesterov wrote:
> > On 08/24, Neil Horman wrote:
> > >
> > > The long and the short of it is, making RLIMIT_CORE == 0 for the ispipe case
> > > skip the core dump, breaks lots of user space expectations
> >
> > Not sure this really makes sense, but perhaps ispipe can skip the dump
> > if RLIMIT_CORE == 0 _and_ the signal was sent from the user-space.
> >
> If you can guarantee that the signal came from user space, yes, that would work
> I imagine.

No, I was wrong.

> alternatively I expect we could modify the kernel thread creation
> routine such that it sets PR_SET_DUMPABLE to zero for all kernel threads

Just curious... why?

Oleg.

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