Simple Cache: validate lengths before allocations.

Simple Cache: validate lengths before allocations.

This bug was most unfortunate. A corrupt entry could cause Chrome to
crash when opening it, without removing the entry. Not a good loop to
be in. Now we are much more careful with casts around the data coming
from disk to confirm sanity before proceeding.

R=juliatuttle@chromium.org
BUG=541720
Review-Url: https://codereview.chromium.org/2086053003
Cr-Commit-Position: refs/heads/master@{#408134}
(cherry picked from commit bf840cc6c21c5a5b6e95d120e5493e0a7eb61498)

Committed: https://chromium.googlesource.com/chromium/src/+/4cf894119c534fbf3fce69ef3d684cfc16b59fbf

[gavinp, 2016-07-27 17:58:45]

Description was changed from

==========
Simple Cache: validate lengths before allocations.

This bug was most unfortunate. A corrupt entry could cause Chrome to
crash when opening it, without removing the entry. Not a good loop to
be in. Now we are much more careful with casts around the data coming
from disk to confirm sanity before proceeding.

R=juliatuttle@chromium.org
BUG=541720

Review-Url: https://codereview.chromium.org/2086053003
Cr-Commit-Position: refs/heads/master@{#408134}
(cherry picked from commit bf840cc6c21c5a5b6e95d120e5493e0a7eb61498)
==========

to

==========
Simple Cache: validate lengths before allocations.

This bug was most unfortunate. A corrupt entry could cause Chrome to
crash when opening it, without removing the entry. Not a good loop to
be in. Now we are much more careful with casts around the data coming
from disk to confirm sanity before proceeding.

R=juliatuttle@chromium.org
BUG=541720

Review-Url: https://codereview.chromium.org/2086053003
Cr-Commit-Position: refs/heads/master@{#408134}
(cherry picked from commit bf840cc6c21c5a5b6e95d120e5493e0a7eb61498)

Committed:
https://chromium.googlesource.com/chromium/src/+/4cf894119c534fbf3fce69ef3d68...
==========

[gavinp, 2016-07-27 17:58:47]

Committed patchset #1 (id:1) manually as
4cf894119c534fbf3fce69ef3d684cfc16b59fbf (tree was closed).