paycheck: Check MOVE operations for start block 0.
paycheck now blocks payloads that read or write to block 0 in a MOVE
operation. It must do this because old versions of PReadAll and
PWriteAll could not seek to 0.
BUG=chromium:480751
TEST=unit tests, test_paycheck.sh
Change-Id: I042de444c92896496795af235e9386dca6c77be2
Reviewed-on: https://chromium-review.googlesource.com/267088
Reviewed-by: Gilad Arnold <garnold@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Allie Wood <alliewood@chromium.org>
Trybot-Ready: Allie Wood <alliewood@chromium.org>
Tested-by: Allie Wood <alliewood@chromium.org>
2 files changed
