midori crashed with SIGSEGV in operator!()

[dino99]

Was trying to open one of my own reported bug for checking, when a whole midori freeze happened, then crashed.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: midori 0.4.3+dfsg-0.1
ProcVersionSignature: Ubuntu 3.16.0-12.18-generic 3.16.1
Uname: Linux 3.16.0-12-generic i686
ApportVersion: 2.14.7-0ubuntu1
Architecture: i386
CurrentDesktop: GNOME
Date: Wed Sep 3 11:25:31 2014
ExecutablePath: /usr/bin/midori
ProcCmdline: midori
SegvAnalysis:
 Segfault happened at: 0xb526a29f: mov 0xc(%eax),%ecx
 PC (0xb526a29f) ok
 source "0xc(%eax)" (0x4034000c) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: midori
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libwebkitgtk-1.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libwebkitgtk-1.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libwebkitgtk-1.0.so.0
 JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const () from /usr/lib/i386-linux-gnu/libjavascriptcoregtk-1.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libjavascriptcoregtk-1.0.so.0
Title: midori crashed with SIGSEGV in JSC::JSValue::get()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 operator! (this=0x4034000c) at ../Source/WTF/wtf/RefPtr.h:66
 isEmpty (this=0x4034000c) at ../Source/WebCore/dom/SpaceSplitString.h:116
 hasClass (this=0x40340000) at ../Source/WebCore/dom/ElementData.h:107
 hasClass (this=0xb94e91b0) at ../Source/WebCore/dom/Element.h:801
 nodeMatchesInlined (testNode=0xb94e91b0, this=0x9fba2570) at ../Source/WebCore/dom/ClassNodeList.h:62

[dino99 (9d9)]

no more crash now