Nmap Development: Re: --min-rate assertion failure

[David Fifield <david () bamsoftware com>]

On Fri, Apr 18, 2008 at 08:58:16PM -0500, Kris Katterjohn wrote:
> I've run into a --min-rate assertion failure.  Actually, it's not
> --min-rate specifically as I didn't use it, but the RateMeter stuff that
> is run regardless is the culprit.
>
> I've attached a file with the command used and all of the normal output
> from the scan.
Thanks, Kris, I've verified and reproduced the bug. There's an integer
overflow when subtracting two timevals, the one for the current time and
the one for the time of the start of the scan. It happens after
(1 << 31) / 1000000.0 / 60.0 ~= 35.79 minutes elapsed, which is why it
showed up with a slow UDP scan.

I'm working on a fix.

David Fifield

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