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authorYu-Ping Wu <yupingso@chromium.org>2020-06-24 17:28:22 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-06-28 21:52:18 +0000
commit373ae2e7346b4bcba8837ed87a12741fd7d9c107 (patch)
tree47152fcfc150a38b86e4971aa4d160418da0817f /src/northbridge
parentbe1ff7eb724bc674eb0f501b4b42675a679adbab (diff)
downloadcoreboot-373ae2e7346b4bcba8837ed87a12741fd7d9c107.tar.xz
libpayload/cbgfx: Fix overflow in transform_vector()
Fix potential overflow when multiplying integers in transform_vector(). This issue is causing the absolute coordinate of the bottom right corner of the box to be incorrectly calculated for draw_rounded_box(), which is used in menu UI to clear the previous screen. In addition, check the lower bound in within_box(). BRANCH=none BUG=b:146399181, b:159772149 TEST=emerge-puff libpayload TEST=Previous screen is cleared properly for menu UI Change-Id: I57845f54e18e5bdbd0d774209ee9632cb860b0c2 Signed-off-by: Yu-Ping Wu <yupingso@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42770 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Shelley Chen <shchen@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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