kern/83622: [ patch ] add network interfaces labeling support

[Robert Watson]

The following reply was made to PR kern/83622; it has been noted by GNATS.

From: Robert Watson <rwatson at FreeBSD.org>
To: Roman Bogorodskiy <novel at FreeBSD.org>
Cc: FreeBSD-gnats-submit at FreeBSD.org
Subject: Re: kern/83622: [ patch ] add network interfaces labeling support
Date: Sun, 17 Jul 2005 20:58:54 +0100 (BST)

 On Sun, 17 Jul 2005, Roman Bogorodskiy wrote:
 
 > +	case SIOCGIFDESCR:
 > +		strlcpy(ifdescrbuf, ifp->if_description, IFDESCRSIZE);
 > +		error = copyout(ifdescrbuf, ifr->ifr_data, IFDESCRSIZE);
 > +		break;
 
 No comment on the patch as a whole just now, but...
 
 You should bzero the buffer first, or risk leaking kernel memory (which 
 might include sensitive information, such as passwords that were in socket 
 buffers) to untrusted user space processes.
 
 Robert N M Watson