Re: [patch 7/8] fdmap v2 - implement sys_socket2

[Ulrich Drepper]

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Al Viro wrote:
> Exactly.  Put it another way, randomizer is a stress-tester.

... and a security mechanism.  And as such it is only useful if it is
used.  Probably it should be policy-controlled whether you can turn it off.


> Note that
> #define NR_FILES <some constant>
> 
> for (i = 0; i < NR_FILES; i++)
> 	close(i);

You're confusing the problems.  This is not the argument for having a
separate file descriptor set.  It is the argument to have hidden file
descriptors.  Randomization has nothing whatsoever to do with this example.

- --
â Ulrich Drepper â Red Hat, Inc. â 444 Castro St â Mountain View, CA â
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