Subject: Re: kernel stack overflow detection
To: None <email@example.com>
From: None <firstname.lastname@example.org>
Date: 05/30/2002 09:43:14
At Thu, 30 May 2002 14:05:43 +0000 (UTC), "YAMAMOTO Takashi" wrote:
you've given yourself an extra page, so fill it all with the magic
number. It's possible for a stack overflow to get 'lucky' and miss
a single magic location.
Actually, while you're at it...
You might provide a more generally-useful mechanism for debugging and
* fill _all_ kernel stack areas _completely_ with a magic number, and
* provide a mechanism to check all of them to see how much has been
(VxWorks provides a similar facility.) I don't know that anybody's
really looked at the actual kernel stack usage on most ports...