131280 2014-04-06 10:57:36 -0700 Rework CSS calc logic, fixing some reference count mistakes in Length 2015-12-08 14:07:17 -0800 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 darin darin allan.jensen andersca benjamin bfulgham commit-queue ddkilzer esprehn+autocc glenn gyuyoung.kim kling koivisto kondapallykalyan macpherson menard oldest_to_newest 998016 0 darin 2014-04-06 10:57:36 -0700 Rework calculation logic, fixing some reference count mistakes in Length 998018 1 228701 darin 2014-04-06 11:29:14 -0700 Created attachment 228701 Patch 998019 2 darin 2014-04-06 11:33:36 -0700 The following commit in Blink drew my attention to the problems in Length: http://src.chromium.org/viewvc/blink?view=revision&revision=170739 That fixes one particular reference counting problem, but not the other I found. 998031 3 228701 kling 2014-04-06 14:43:32 -0700 Comment on attachment 228701 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=228701&action=review r=me > Source/WebCore/css/CSSCalculationValue.h:94 > + PassRef<CalculationValue> toCalcValue(const RenderStyle* currentStyle, const RenderStyle* rootStyle, double zoom = 1.0) const; This name seems a bit evil, since doing someValue->toCalcValue().get().something(); would leak and assert. > Source/WebCore/platform/Length.h:411 > +// FIXME: Is it really valuable to inline this? I wonder if the compiler even bothers. > Source/WebCore/rendering/style/RenderStyle.cpp:1357 > case Auto: > fontWordSpacing = 0; > - FALLTHROUGH; > + break; Huh. 998045 4 darin 2014-04-06 17:17:02 -0700 Committed r166860: <http://trac.webkit.org/changeset/166860> 998093 5 benjamin 2014-04-07 00:18:26 -0700 It looks like this is causing crashes on the debug bots: http://build.webkit.org/results/Apple%20Mavericks%20Debug%20WK2%20(Tests)/r166860%20(3814)/results.html 998205 6 bfulgham 2014-04-07 12:34:34 -0700 This patch introduced some test failures due to the new assertions triggering. Could you please take a look at them? For example, see the four crash logs in <http://build.webkit.org/results/Apple%20Mavericks%20Debug%20WK2%20(Tests)/r166860%20(3814)/results.html>. 998249 7 darin 2014-04-07 14:54:17 -0700 (In reply to comment #6) > This patch introduced some test failures due to the new assertions triggering. Could you please take a look at them? > > For example, see the four crash logs in <http://build.webkit.org/results/Apple%20Mavericks%20Debug%20WK2%20(Tests)/r166860%20(3814)/results.html>. Please remove the new assertions that are triggering. I have no doubt that they are showing us real pre-existing bugs, but they were not firing on my local machine, or I would have held off on adding them until the problems were fixed. 998250 8 darin 2014-04-07 15:00:32 -0700 Darn it, it looks like only one or two of the failures is due to a new assertion. The other failure seems to be due to hash table related assertions caused by the new code and I have no idea what the root cause is. 998273 9 bfulgham 2014-04-07 16:08:17 -0700 There seems to be some dependency on prior tests. For example, running the test "fast/shapes/shape-outside-floats/shape-outside-boxes-001.html" by itself does not generate the crash due to a missing hash table. However, if you run the "fast/shapes/shape-outside-floats/shape-outside-animation.html" first, then you will encounter the error. 998438 10 darin 2014-04-07 22:41:56 -0700 A fix for the isCalculated() assertion is in bug 131346. 998440 11 darin 2014-04-07 22:56:53 -0700 Now, fixes for all the assertions are in the patch attached to bug 131346. 999452 12 ap 2014-04-09 23:39:00 -0700 One test is still crashing with this assertion, filed bug 131480. 1147459 13 bfulgham 2015-12-08 13:56:40 -0800 Part of the fix for CVE-2014-4410. 228701 2014-04-06 11:29:14 -0700 2014-04-06 14:43:32 -0700 Patch bug-131280-20140406112856.patch text/plain 119020 darin U3VidmVyc2lvbiBSZXZpc2lvbjogMTY2ODQ5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggYzhkYzM3MWYzYmIxZDAx ZWRlNWZhNWFiZmRjODM3YWQ2ZmRkNGQ3OC4uYzNmODY2N2I1MmNhZjhmOWRiNWUwZWE2YjJkY2Mw OGEzZTc4Njg3MyAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv 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