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[Gnu-arch-users] Re: give us a hand with arch
From: |
Miles Bader |
Subject: |
[Gnu-arch-users] Re: give us a hand with arch |
Date: |
03 Oct 2003 17:54:12 +0900 |
Ollivier Robert <address@hidden> writes:
> > present in the page cache. You won't see it normally, because you
> > cannot read() beyond the end of the file, but mmap() can only map
> > complete pages, so you suddenly see the data (and it was random data
> > from kernel or user space, typically not something which ever was on
> > disk).
>
> Am I the only one that sees that as a potential security problem?
Nope; that's the usual reason given why this is a very bad thing.
-Miles
--
Saa, shall we dance? (from a dance-class advertisement)