[Webkit-unassigned] [Bug 113954] New: Regression(r147639) Causes assertion hit in HashTable

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 4 13:26:43 PDT 2013


https://bugs.webkit.org/show_bug.cgi?id=113954

           Summary: Regression(r147639) Causes assertion hit in HashTable
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dchris at gmail.com
                CC: andersca at apple.com, akling at apple.com
            Blocks: 111939


After <http://trac.webkit.org/changeset/147639>, we see the following crashes on the EFL bots:

ASSERTION FAILED: m_table
/home/buildslave-1/webkit-buildslave/efl-linux-64-debug-wk2/build/Source/WTF/wtf/HashTable.h(210) : void WTF::HashTableConstIterator<Key, Value, Extractor, HashFunctions, Traits, KeyTraits>::checkValidity() const [with Key = WebCore::FontPlatformDataCacheKey, Value = WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> >, Extractor = WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> > >, HashFunctions = WebCore::FontPlatformDataCacheKeyHash, Traits = WTF::HashMapValueTraits<WebCore::FontPlatformDataCacheKeyTraits, WTF::HashTraits<WTF::OwnPtr<WebCore::FontPlatformData> > >, KeyTraits = WebCore::FontPlatformDataCacheKeyTraits]
1   0x2b82fefeb70f WTF::HashTableConstIterator<WebCore::FontPlatformDataCacheKey, WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyHash, WTF::HashMapValueTraits<WebCore::FontPlatformDataCacheKeyTraits, WTF::HashTraits<WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyTraits>::checkValidity() const
2   0x2b82fefe90d8 WTF::HashTableConstIterator<WebCore::FontPlatformDataCacheKey, WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyHash, WTF::HashMapValueTraits<WebCore::FontPlatformDataCacheKeyTraits, WTF::HashTraits<WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyTraits>::get() const
3   0x2b82fefe644c WTF::HashTableIterator<WebCore::FontPlatformDataCacheKey, WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyHash, WTF::HashMapValueTraits<WebCore::FontPlatformDataCacheKeyTraits, WTF::HashTraits<WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyTraits>::get() const
4   0x2b82fefe4928 WTF::HashTableIterator<WebCore::FontPlatformDataCacheKey, WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> >, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WebCore::FontPlatformDataCacheKey, WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyHash, WTF::HashMapValueTraits<WebCore::FontPlatformDataCacheKeyTraits, WTF::HashTraits<WTF::OwnPtr<WebCore::FontPlatformData> > >, WebCore::FontPlatformDataCacheKeyTraits>::operator->() const
5   0x2b82fefe2cec WebCore::FontCache::getCachedFontPlatformData(WebCore::FontDescription const&, WTF::AtomicString const&, bool)
6   0x2b82fefe2d68 WebCore::FontCache::getCachedFontData(WebCore::FontDescription const&, WTF::AtomicString const&, bool, WebCore::FontCache::ShouldRetain)
7   0x2b82fe72406c
8   0x2b82fe724494 WebCore::CSSFontSelector::getFontData(WebCore::FontDescription const&, WTF::AtomicString const&)
9   0x2b82fefe39d8 WebCore::FontCache::getFontData(WebCore::Font const&, int&, WebCore::FontSelector*)
10  0x2b82feff00cb WebCore::FontFallbackList::fontDataAt(WebCore::Font const*, unsigned int) const
11  0x2b82febc5384 WebCore::FontFallbackList::primaryFontData(WebCore::Font const*) const
12  0x2b82febc5335 WebCore::FontFallbackList::primarySimpleFontData(WebCore::Font const*)
13  0x2b82febc545a WebCore::Font::primaryFont() const
14  0x2b82febc53ac WebCore::Font::fontMetrics() const
15  0x2b82ff346c86 WebCore::RenderStyle::fontMetrics() const
16  0x2b82ff346f72 WebCore::RenderStyle::computedLineHeight(WebCore::RenderView*) const
17  0x2b82ff156de6 WebCore::RenderBlock::lineHeight(bool, WebCore::LineDirectionMode, WebCore::LinePositionMode) const
18  0x2b82ff18a4e3
19  0x2b82ff19bd86 WebCore::LineWidth::updateAvailableWidth(WebCore::LayoutUnit)
20  0x2b82ff19bba6 WebCore::LineWidth::LineWidth(WebCore::RenderBlock*, bool, WebCore::IndentTextOrNot)
21  0x2b82ff19542a WebCore::RenderBlock::LineBreaker::nextSegmentBreak(WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::LineInfo&, WebCore::RenderBlock::RenderTextInfo&, WebCore::RenderBlock::FloatingObject*, unsigned int, WTF::Vector<WebCore::WordMeasurement, 64ul>&)
22  0x2b82ff194f65 WebCore::RenderBlock::LineBreaker::nextLineBreak(WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::LineInfo&, WebCore::RenderBlock::RenderTextInfo&, WebCore::RenderBlock::FloatingObject*, unsigned int, WTF::Vector<WebCore::WordMeasurement, 64ul>&)
23  0x2b82ff18fb07 WebCore::RenderBlock::layoutRunsAndFloatsInRange(WebCore::LineLayoutState&, WebCore::BidiResolver<WebCore::InlineIterator, WebCore::BidiRun>&, WebCore::InlineIterator const&, WebCore::BidiStatus const&, unsigned int)
24  0x2b82ff18f3fd WebCore::RenderBlock::layoutRunsAndFloats(WebCore::LineLayoutState&, bool)
25  0x2b82ff191dcc WebCore::RenderBlock::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
26  0x2b82ff13bb95 WebCore::RenderBlock::layoutBlock(bool, WebCore::LayoutUnit)
27  0x2b82ff13b143 WebCore::RenderBlock::layout()
28  0x2b82ff14092e WebCore::RenderBlock::layoutBlockChild(WebCore::RenderBox*, WebCore::RenderBlock::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
29  0x2b82ff14052a WebCore::RenderBlock::layoutBlockChildren(bool, WebCore::LayoutUnit&)
30  0x2b82ff13bbb6 WebCore::RenderBlock::layoutBlock(bool, WebCore::LayoutUnit)
31  0x2b82ff13b143 WebCore::RenderBlock::layout()

gdb backtrace:
http://pastebin.com/dVhBAXhy

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