Re: Signed divides vs shifts (Re: [Security] /dev/urandom uses uninit bytes, leaks user data)
From: Ray Lee
Date: Mon Dec 17 2007 - 13:05:48 EST
On Dec 17, 2007 9:55 AM, Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:
> - mid = (last - first) / 2 + first;
> + while (low <= high) {
> + mid = (low + high) / 2;
I think you just introduced a bug. Think about what happens if
low=high=MAX_LONG/2 + 1.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/