From: Jonathan McDowell <noodles@earth.li>
Date: Mon, 22 Aug 2016 16:30:14 +0000 (+0100)
Subject: Prevent sign extension when parsing large packet sizes
X-Git-Tag: onak-0.5.0~6
X-Git-Url: https://the.earth.li/gitweb/?a=commitdiff_plain;h=a75148cf51de7fe9112f5ba260e62828d5297979;hp=a75148cf51de7fe9112f5ba260e62828d5297979;p=onak.git

Prevent sign extension when parsing large packet sizes

A 2GB+ packet is likely to be a mistake, but in the event it was
legitimate sign extension could result in a much larger amount of
memory being allocated (and probably failing). Fix this by trying
to ensure we're doing an unsigned left shift.
---