30018 2009-10-02 08:34:11 -0700 WebGL crashes with recent CanvasArray change 2009-12-15 14:43:02 -0800 1 1 1 Unclassified WebKit WebGL 528+ (Nightly build) All All RESOLVED FIXED P1 Blocker --- 0 kbr kbr cmarrin dglazkov kbr oliver oldest_to_newest 151848 0 kbr 2009-10-02 08:34:11 -0700 https://bugs.webkit.org/show_bug.cgi?id=29906 introduced a change to the CanvasArray base class which tests a PassRefPtr after its contents have been transferred to a RefPtr, causing the NULL check to always fail and the base pointer of the CanvasArray to always be NULL. This results in crashes on most if not all WebGL content. Patch is attached. 151849 1 40519 kbr 2009-10-02 08:41:11 -0700 Created attachment 40519 Patch 151850 2 40520 kbr 2009-10-02 08:43:26 -0700 Created attachment 40520 Replacement patch eliminating stray tab 151853 3 40520 oliver 2009-10-02 08:52:51 -0700 Comment on attachment 40520 Replacement patch eliminating stray tab Can you add a testcase for this? 151867 4 40526 kbr 2009-10-02 09:25:40 -0700 Created attachment 40526 Patch including test case Added unit test. Verified that test crashes before fix and runs successfully after fix. 151875 5 40526 oliver 2009-10-02 09:52:11 -0700 Comment on attachment 40526 Patch including test case > +<html xmlns="http://www.w3.org/1999/xhtml"> we don't use namespaces -- tests should basically be html5 doctype if you want strict mode. But in this case you're also using the xml namespace which is also incorrect due to the file extension not being .xhtml, and not having an xml doctype :D And you need expected output Cheers, Oliver 151877 6 dglazkov 2009-10-02 09:59:52 -0700 ... and don't forget -- WebKit style in JS also. 4-space, func brace on new line, etc. :) 151889 7 40533 cmarrin 2009-10-02 10:44:04 -0700 Created attachment 40533 Replacement patch with layouttest expected results 151891 8 40533 oliver 2009-10-02 10:45:56 -0700 Comment on attachment 40533 Replacement patch with layouttest expected results remove the superfluous namespace decl from <html> in the testcase 151893 9 cmarrin 2009-10-02 10:50:07 -0700 Sending LayoutTests/ChangeLog Adding LayoutTests/fast/canvas/webgl/array-unit-tests-expected.txt Adding LayoutTests/fast/canvas/webgl/array-unit-tests.html Sending WebCore/ChangeLog Sending WebCore/html/canvas/CanvasArray.cpp Transmitting file data ..... 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