Bug 199061

Summary: REGRESSION(r245912): Crash in TextIterator::range via visiblePositionForIndexUsingCharacterIterator
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: AccessibilityAssignee: Ryosuke Niwa <rniwa>
Status: RESOLVED FIXED    
Severity: Normal CC: agomez, cfleizach, jcraig, webkit-bug-importer, wenson_hsieh
Priority: P2 Keywords: InRadar, Regression
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=199431
Attachments:
Description Flags
Fixes the bug wenson_hsieh: review+

Ryosuke Niwa
Reported 2019-06-20 00:01:49 PDT
e.g. Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00007fff488112cd WebCore::TextIterator::range() const + 61 1 com.apple.WebCore 0x00007fff488110ec WebCore::CharacterIterator::range() const + 28 2 com.apple.WebCore 0x00007fff49a2cb6a WebCore::visiblePositionForIndexUsingCharacterIterator(WebCore::Node&, int) + 2090 3 com.apple.WebCore 0x00007fff4967a49e WebCore::AccessibilityRenderObject::visiblePositionForIndex(int) const + 174 4 com.apple.WebCore 0x00007fff49647d93 WebCore::AXObjectCache::characterOffsetForIndex(int, WebCore::AccessibilityObject const*) + 67 5 com.apple.WebCore 0x00007fff4966a11f WebCore::AccessibilityObject::rangeForPlainTextRange(WebCore::PlainTextRange const&) const + 191 <rdar://problem/51765259>
Attachments
Fixes the bug (1.44 KB, patch)
2019-06-20 00:07 PDT, Ryosuke Niwa 		wenson_hsieh: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1 2019-06-20 00:07:54 PDT
Created attachment 372543 [details] Fixes the bug
chris fleizach
Comment 2 2019-06-20 00:12:29 PDT
(In reply to Ryosuke Niwa from comment #1) > Created attachment 372543 [details] > Fixes the bug Thanks for handling this Ryosuke.
Ryosuke Niwa
Comment 3 2019-06-20 14:42:52 PDT
Committed r246653: <https://trac.webkit.org/changeset/246653>
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