Re: mprotect abuse in slim

From: Pekka Enberg
Date: Thu Jan 11 2007 - 02:39:53 EST


On 1/10/07, Serge E. Hallyn <serue@xxxxxxxxxx> wrote:
But since it looks like you just munmap the region now, shouldn't a
subsequent munmap by the app just return -EINVAL? that seems appropriate
to me.

Applications don't know about revoke and neither should they.
Therefore close(2) and munmap(2) must work the same way they would for
non-revoked inodes so that applications can release resources
properly.

Pekka
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