44352 2010-08-20 13:28:27 -0700 AX: CSS first letter text transform causes crash 2010-08-25 19:03:31 -0700 1 1 1 Unclassified WebKit Accessibility 528+ (Nightly build) PC All RESOLVED FIXED P2 Normal --- 0 ctguil cfleizach abarth bdakin cfleizach ddkilzer eric webkit.review.bot oldest_to_newest 267381 0 ctguil 2010-08-20 13:28:27 -0700 This bug is causing the chromium renderer to crash. http://code.google.com/p/chromium/issues/detail?id=52758 A bad type cast is occurring and this might be a regression from r65095. http://trac.webkit.org/changeset/65095 I've attached a layout tests that reproduces the issue. 267382 1 64983 ctguil 2010-08-20 13:28:57 -0700 Created attachment 64983 Layout Tests 267437 2 64996 ctguil 2010-08-20 14:52:55 -0700 Created attachment 64996 Another Layout Test Here's another layout test that reproduces the same issue. DRT crashes if the assert failures are skipped. This is from http://code.google.com/p/chromium/issues/detail?id=52829. 267458 3 65003 cfleizach 2010-08-20 15:55:09 -0700 Created attachment 65003 Patch 267490 4 cfleizach 2010-08-20 17:07:20 -0700 it looks like isInline() is not the right check to use before casting to RenderInline 268836 5 ctguil 2010-08-24 15:09:16 -0700 Casting to RenderInline or RenderBlock only when exact class type is known. Change looks good to me. Can someone approve. This is currently a top chromium crasher. http://webkit.org/blog/115/webcore-rendering-ii-blocks-and-inlines 268882 6 cfleizach 2010-08-24 16:03:52 -0700 (In reply to comment #5) > Casting to RenderInline or RenderBlock only when exact class type is known. Change looks good to me. Can someone approve. This is currently a top chromium crasher. > http://webkit.org/blog/115/webcore-rendering-ii-blocks-and-inlines Chris, why is accessibility code being run for most people... in general, accessibility code should only be triggered when a screen reader is running 268886 7 ctguil 2010-08-24 16:21:43 -0700 In general you are correct. However, on certain systems configurations accessibility is being enabled even though no screen reader is in use. On windows tablets the Tablet PC Input Panel program accesses accessibility functions. On mac there are uses of accessibility functions by non screen readers; also if Universal Access System Preferences Pane -> Enable access for assistive devices is checked, accessibility will be on. I don't think the code is being run by most people. But since the crash occurs with relative ease it shows up often. 269550 8 cfleizach 2010-08-25 15:37:55 -0700 (In reply to comment #7) > On mac there are uses of accessibility functions by non screen readers; also if Universal Access System Preferences Pane -> Enable access for assistive devices is checked, accessibility will be on. As a FYI, even when this check box is on, accessibility code won't be run unless someone makes an accessibility request (like VoiceOver, Accessibility inspector, or whoever else actually uses accessibility) 269604 9 65003 ddkilzer 2010-08-25 16:44:10 -0700 Comment on attachment 65003 Patch r=me 269631 10 cfleizach 2010-08-25 17:31:44 -0700 http://trac.webkit.org/changeset/66061 269677 11 webkit.review.bot 2010-08-25 19:03:31 -0700 http://trac.webkit.org/changeset/66061 might have broken SnowLeopard Intel Release (Tests) 64983 2010-08-20 13:28:57 -0700 2010-08-20 15:55:04 -0700 Layout Tests MyPatch.txt text/plain 2173 ctguil SW5kZXg6IGZpcnN0LWxldHRlci10ZXh0LXRyYW5zZm9ybS1jYXVzZXMtY3Jhc2gtZXhwZWN0ZWQu dHh0Cj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT0KLS0tIGZpcnN0LWxldHRlci10ZXh0LXRyYW5zZm9ybS1jYXVzZXMtY3Jh c2gtZXhwZWN0ZWQudHh0CShyZXZpc2lvbiAwKQorKysgZmlyc3QtbGV0dGVyLXRleHQtdHJhbnNm 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