On Thu, Nov 05, 2015 at 04:18:58PM -0500, Lennart Sorensen wrote:
> OK blowing up here:
>
> /*
> * Search for a range of contiguous pages in
> * the free page list of the current
> * extent. The range must be 'bsize' long.
> */
> do {
> lastpage = freepage;
> ----> freepage = *((caddr_t *) freepage);
> freecont += heap->pagesize;
> }
> while (freepage == lastpage + heap->pagesize
> && freecont < bsize);
>
> I wonder if I am getting to the end of the list and trying to derefence
> a NULL pointer as a result. I see nothing in the code to make sure it
> doesn't try to do that, although I hope I am just misreading the code.
Well it does handle NULL checking at the top with while (freepage !=
NULL), so how is this derefencing doing that. Hmm.
--
Len Sorensen
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