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authordsinclair <dsinclair@chromium.org>2016-09-07 13:53:51 -0700
committerCommit bot <commit-bot@chromium.org>2016-09-07 13:53:51 -0700
commitb1f5545e34375a5947004ee92cc808b3df9d4a5b (patch)
treea56cc60d4cb86d6c96953cf5084c7e5464abb4c1 /xfa
parent1df1efa3921841fb5fc7fc15e8112eed4375de9f (diff)
downloadpdfium-b1f5545e34375a5947004ee92cc808b3df9d4a5b.tar.xz
Verify pattern start values.
When calculating the starting x and y for a pattern it is possible to overflow the int value. Use checked math to make sure we don't overflow. BUG=chromium:637984 Review-Url: https://codereview.chromium.org/2317283002
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