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Date:      Tue, 20 Jul 1999 18:33:17 +0000
From:      Bob Bishop <rb@gid.co.uk>
To:        "Kelly Yancey" <kbyanc@alcnet.com>
Cc:        <crandall@matchlogic.com>, <freebsd-hackers@FreeBSD.ORG>
Subject:   RE: Overcommit and calloc()
Message-ID:  <l0302092bb3ba6fac9d72@[194.32.164.2]>
In-Reply-To: <005101bed2d5$433a16e0$291c453f@kbyanc.alcnet.com>

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Hi,

At 1:28 pm -0400 20/7/99, Kelly Yancey wrote:
>[...]
>  On recent thought though, I seem to recall having read in the 4.4BSD
>Daemon book that having the kernel zero memory is not the preferred
>practice, but present because when they tried to stop many progrems dies
>which assumed memory was initialized to zero.

Handing out unzeroed memory is a potential security hole.


--
Bob Bishop              (0118) 977 4017  international code +44 118
rb@gid.co.uk        fax (0118) 989 4254  between 0800 and 1800 UK




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