Subject: Re: reproduceable "integer divide fault trap"
To: Jonathan A. Kollasch <jakllsch@kollasch.net>
From: Pavel Cahyna <pcah8322@artax.karlin.mff.cuni.cz>
List: netbsd-help
Date: 11/27/2005 11:21:04
On Sun, Nov 27, 2005 at 08:50:55AM +0000, David Laight wrote:
> On Sat, Nov 26, 2005 at 10:08:07PM -0600, Jonathan A. Kollasch wrote:
> > 
> >         cgsize = fs->fs_fsize * fs->fs_fpg;
> >         dirsize = fs->fs_avgfilesize * fs->fs_avgfpdir;
> > # fs->fs_avgfilesize == 0x40000000, fs->fs_avgfpdir == 0x20
> 
> fs_avgfilesize and fs_avgfpdir are both int32_t, dirsize is bound to be wrong
> if the product is > 2^31.

cgsize has the same problem as fs_fsize and fs_fpg are also int32_t.

Pavel Cahyna