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authordsinclair <dsinclair@chromium.org>2016-09-12 14:04:08 -0700
committerCommit bot <commit-bot@chromium.org>2016-09-12 14:04:08 -0700
commitdb319ec6a9330e75276b873f6027caddf2a15ec0 (patch)
tree846a18c97bdd9f2649c7bc868ab37cde591ec3d4 /core/fpdfdoc/cpdf_actionfields.cpp
parent01b67ed9b441cd485997bc08482def1f2ab265db (diff)
downloadpdfium-db319ec6a9330e75276b873f6027caddf2a15ec0.tar.xz
Verify value of prec before using
The fx_codec_jpx_opj code will attempt to do a 1 << (prec - 1). If the prec value is >=32 then that shift will overflow the int value. This CL adds a check that prec is < 32 before attempting the shift. BUG=chromium:633208 Review-Url: https://codereview.chromium.org/2334823002
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