Re: writing to freed memory--issues

On 2006-03-27, bill pursell <bill.pursell@xxxxxxxxx> wrote:
1) what is special about 33790? Why does the segfault keep occurring
at that point?

I don't know if this is why it's special, but 33790=32768+1024-2

2) Why does the fault occur at idx==0 for SIZE between 2^15 and 2^27?

magic.

3) Why does malloc fail for 2^28 and 2^29, but succeed for 2^30?

magic. maybe 2^30 is where it switches to using mmap. no idea.

When you play with undefined behavior, sometimes you get funny results.
.

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