105961 2013-01-02 15:31:56 -0800 Fix overflow in LayoutUnit::ceil and floor for SATURATED_LAYOUT_ARITHMETIC 2013-01-03 13:52:29 -0800 1 1 1 Unclassified WebKit Platform 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 95053 1 eae eae abarth eric inferno leviw webkit.review.bot oldest_to_newest 798993 0 eae 2013-01-02 15:31:56 -0800 The LayoutUnit::ceil and floor methods overflows if given the intMaxForLayoutUnit and intMinForLayoutUnit values respectively. 799001 1 181086 eae 2013-01-02 15:37:11 -0800 Created attachment 181086 Patch 799034 2 181095 eae 2013-01-02 16:02:11 -0800 Created attachment 181095 Patch 799097 3 181112 eae 2013-01-02 17:06:48 -0800 Created attachment 181112 Patch 799098 4 eae 2013-01-02 17:07:17 -0800 Updated tests to also cover MAX - 1, MAX - 0.5, MIN + 1 and MIN + 0.5 799584 5 181112 leviw 2013-01-03 12:54:45 -0800 Comment on attachment 181112 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=181112&action=review This seems fine to me. I'd be curious to see the perf results (which I suspect are negligible), but since this flag isn't enabled, I think it's enough to watch the overall impact of enabling it. > Source/WebCore/ChangeLog:3 > + Fix overflow in LayoutUnit::ceil and flor for SATURATED_LAYOUT_ARITHMETIC Typo: 'flor' > Source/WebCore/platform/LayoutUnit.h:230 > + if (UNLIKELY(m_value <= INT_MIN + kEffectiveFixedPointDenominator - 1)) > + return intMinForLayoutUnit; I'm not used to seeing UNLIKELY in WebCore code, but I imagine if I'm going to run into it, I'd expect it in platform/. > Tools/ChangeLog:3 > + Fix overflow in LayoutUnit::ceil and flor for SATURATED_LAYOUT_ARITHMETIC 'flor' 799593 6 181208 eae 2013-01-03 13:05:16 -0800 Created attachment 181208 Patch for landing 799643 7 181208 webkit.review.bot 2013-01-03 13:52:26 -0800 Comment on attachment 181208 Patch for landing Clearing flags on attachment: 181208 Committed r138736: <http://trac.webkit.org/changeset/138736> 799644 8 webkit.review.bot 2013-01-03 13:52:29 -0800 All reviewed patches have been landed. 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