Subject: Re: disabling PTHREAD_CONCURRENCY for 3.0
To: Manuel Bouyer <firstname.lastname@example.org>
From: Chuck Silvers <email@example.com>
Date: 12/12/2005 09:09:24
On Sun, Dec 11, 2005 at 01:22:02PM +0100, Manuel Bouyer wrote:
> On Sat, Dec 10, 2005 at 04:41:29PM -0800, Chuck Silvers wrote:
> > since the code triggered by setting PTHREAD_CONCURRENCY causes
> > library aborts and kernel panics, I'd like to disable it for 3.0
> > since it doesn't appear that it can be fixed in time.
> > any objections to the attached patch? I'll just ask for it to be
> If PTHREAD_CONCURRENCY > 1 can cause kernel panics, just removing it from
> libpthread isn't enouth. The kernel has to be patched as well, otherwise a
> local user could start an application linked with a bad libpthread and
> cause a local DOS.
I was more worried about us advertising a feature that crashes the system
than a malicious user. but disabling the sa_setconcurrency() syscall
as well is easy enough, I'll add that to the patch.