Subject: Re: kern/35278: veriexec sometimes feeds user va to log(9)
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Elad Efrat <elad@NetBSD.org>
List: netbsd-bugs
Date: 12/20/2006 10:15:05
The following reply was made to PR kern/35278; it has been noted by GNATS.
From: Elad Efrat <elad@NetBSD.org>
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Cc: gnats-bugs@NetBSD.org
Subject: Re: kern/35278: veriexec sometimes feeds user va to log(9)
Date: Wed, 20 Dec 2006 12:05:05 +0200
YAMAMOTO Takashi wrote:
> i'm not a fan of adding more functionalities to namei().
"more" :)
> it's better to simplify namei() instead.
> i'd suggest something like this.
>
> sys_xxx()
> {
> pathname_t *pn;
>
> error = pathname_get(user_pointer, &pn); /* allocate buffer and copyinstr */
> NDINIT(.., pn, ..);
>
> pathname_put(pn);
> }
this just combines the segflg check/allocation/copyinstr. I thought we
wanted to hide these, but okay.
> how about just disabling pathname logging?
suboptimal...
-e.