dburger@ will look at this as a starter bug. He starts tomorrow.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/portage-stable/+/e36cc804973930bc2acd5a2694288273b06c7c5f

commit e36cc804973930bc2acd5a2694288273b06c7c5f
Author: David Burger <dburger@google.com>
Date: Tue Aug 07 08:50:53 2018

unzip: upgraded package to upstream

Upgraded app-arch/unzip to version 6.0_p21-r2 on amd64, arm

BUG=chromium:763062
TEST=`emerge unzip`
     `emerge-amd-64-generic unzip`
     `emerge-arm-generic unzip`

Change-Id: Ie184856cd507af49b833448765c7a0a7a5a5ea52
Reviewed-on: https://chromium-review.googlesource.com/1162935
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>

[modify] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/app-arch/unzip/Manifest
[delete] https://crrev.com/1d0367326dc8a4f2a04a6625394ecb4cd2214698/app-arch/unzip/unzip-6.0-r3.ebuild
[delete] https://crrev.com/1d0367326dc8a4f2a04a6625394ecb4cd2214698/app-arch/unzip/files/unzip-5.52-no-exec-stack.patch
[add] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/app-arch/unzip/unzip-6.0_p21-r2.ebuild
[add] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/app-arch/unzip/files/unzip-6.0-format-security.patch
[modify] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/app-arch/unzip/metadata.xml
[modify] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/app-arch/unzip/files/unzip-6.0-natspec.patch
[rename] https://crrev.com/e36cc804973930bc2acd5a2694288273b06c7c5f/metadata/md5-cache/app-arch/unzip-6.0_p21-r2
[delete] https://crrev.com/1d0367326dc8a4f2a04a6625394ecb4cd2214698/app-arch/unzip/files/unzip-5.52-CVE-2008-0888.patch