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

[Neil Horman]

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

Either would work I imagine.
Neil

> Oleg.
> 
> 
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