[Webkit-unassigned] [Bug 142814] New: Crash with SIGSEGV `WebCore::WidthIterator::advanceInternal`
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Mar 18 00:04:39 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=142814
Bug ID: 142814
Summary: Crash with SIGSEGV
`WebCore::WidthIterator::advanceInternal`
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit Gtk
Assignee: webkit-unassigned at lists.webkit.org
Reporter: paulepanter at users.sourceforge.net
Created attachment 248919
--> https://bugs.webkit.org/attachment.cgi?id=248919&action=review
(gdb) t a a bt f
Using Debian Sid/unstable with WebKitGTK+ 2.4.8, Evolution 3.12.10 crashed with a segmentation fault in `WebCore::WidthIterator::advanceInternal`.
evolution[3038]: segfault at bf920ffc ip b579cca7 sp bf921000 error 6 in libwebkitgtk-3.0.so.0.22.14[b5527000+1c5c000]
With the core dump file, the following backtrace is recovered.
Core was generated by `evolution'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0xb579cca7 in WebCore::WidthIterator::advanceInternal<WebCore::Latin1TextIterator> (this=0xbf92167c, textIterator=...,
glyphBuffer=0xbf921700) at ../Source/WebCore/platform/graphics/WidthIterator.cpp:162
162 ../Source/WebCore/platform/graphics/WidthIterator.cpp: Datei oder Verzeichnis nicht gefunden.
(gdb) t a a bt f
[…]
Thread 1 (Thread 0xb0255900 (LWP 3038)):
#0 0xb579cca7 in WebCore::WidthIterator::advanceInternal<WebCore::Latin1TextIterator> (this=0xbf92167c, textIterator=...,
glyphBuffer=0xbf921700) at ../Source/WebCore/platform/graphics/WidthIterator.cpp:162
hasExtraSpacing = false
lastFontData = <optimized out>
lastGlyphCount = <optimized out>
character = <optimized out>
widthSinceLastRounding = -0
lastRoundingWidth = <optimized out>
bounds = <optimized out>
clusterLength = <optimized out>
charactersTreatedAsSpace = {<WTF::VectorBuffer<std::pair<int, WebCore::OriginalAdvancesForCharacterTreatedAsSpace>, 64u>> = {<WTF::VectorBufferBase<std::pair<int, WebCore::OriginalAdvancesForCharacterTreatedAsSpace> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0},
m_inlineBuffer = {{__data = '\000' <repeats 15 times>, __align = {<No data fields>}} <repeats 64 times>}}, <No data fields>}
consumedCharacters = <optimized out>
#1 0xb5799035 in WebCore::WidthIterator::advance (this=0xbf92167c, offset=<optimized out>, glyphBuffer=0xbf921700)
at ../Source/WebCore/platform/graphics/WidthIterator.cpp:349
textIterator = {m_characters = 0x9ad85074 "Von:\002", m_currentCharacter = 0, m_lastCharacter = 4}
textIterator = {m_characters = 0x9ad85074, m_currentCharacter = 0, m_lastCharacter = 4, m_endCharacter = -1250325171}
[…]
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