[lkml]   [2001]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Subtle MM bug

On Thu, 11 Jan 2001, Stephen C. Tweedie wrote:

> Hi,
> On Wed, Jan 10, 2001 at 12:11:16PM -0800, Linus Torvalds wrote:
> >
> > That said, we can easily support the notion of CLONE_CRED if we absolutely
> > have to (and sane people just shouldn't use it), so if somebody wants to
> > work on this for 2.5.x...
> But is it really worth the pain? I'd hate to have to audit the entire
> VFS to make sure that it works if another thread changes our
> credentials in the middle of a syscall, so we either end up having to
> lock the credentials over every VFS syscall, or take a copy of the
> credentials and pass it through every VFS internal call that we make.

COW. Pthreads are simply irrelevant here - if you want set*id in one
thread to change the credentials of the rest you can do it in libpthreads.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:28    [W:0.106 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site