[Webkit-unassigned] [Bug 68361] New: [Qt][WK2] Crash in Qt when loading plugins in the UI process

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68361

           Summary: [Qt][WK2] Crash in Qt when loading plugins in the UI
                    process
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbalazs at webkit.org


64 bit Linux, up-to-date Qt5.

#0  0x00007ffff227cab5 in raise () from /lib64/libc.so.6
#1  0x00007ffff227dfb6 in abort () from /lib64/libc.so.6
#2  0x00007ffff22b7dd3 in __libc_message () from /lib64/libc.so.6
#3  0x00007ffff22bd3b6 in malloc_printerr () from /lib64/libc.so.6
#4  0x00007ffff22c22dc in free () from /lib64/libc.so.6
#5  0x00007ffff32fb026 in qFree (ptr=0x614b40) at global/qmalloc.cpp:60
#6  0x00007ffff3356400 in QString::free (d=0x614b40) at tools/qstring.cpp:1219
#7  0x00007ffff32dd159 in QString::~QString (this=0x86d668, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:851
#8  0x00007ffff33c5eff in QFileInfoPrivate::~QFileInfoPrivate (this=0x86d5d0, __in_chrg=<value optimized out>) at io/qfileinfo_p.h:69
#9  0x00007ffff33c602b in QSharedDataPointer<QFileInfoPrivate>::~QSharedDataPointer (this=0x7fffffffbf30, __in_chrg=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:90
#10 0x00007ffff33c2e28 in QFileInfo::~QFileInfo (this=0x7fffffffbf30, __in_chrg=<value optimized out>) at io/qfileinfo.cpp:364
#11 0x00007ffff342e45a in QLibraryPrivate::load_sys (this=0x7fe110) at plugin/qlibrary_unix.cpp:87
#12 0x00007ffff34281cc in QLibraryPrivate::load (this=0x7fe110) at plugin/qlibrary.cpp:460
#13 0x00007ffff34290b1 in QLibrary::load (this=0x7fe228) at plugin/qlibrary.cpp:817
#14 0x00007ffff681bc0d in WebKit::Module::load() () from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#15 0x00007ffff67b1ed7 in WebKit::NetscapePluginModule::tryLoad() () from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#16 0x00007ffff67b2275 in WebKit::NetscapePluginModule::load() () from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#17 0x00007ffff67b2475 in WebKit::NetscapePluginModule::getOrCreate(WTF::String const&) ()
   from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#18 0x00007ffff67b2c0e in WebKit::NetscapePluginModule::getPluginInfo(WTF::String const&, WebKit::PluginModuleInfo&) ()
   from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#19 0x00007ffff67d07a7 in WebKit::PluginInfoStore::loadPlugin(WTF::Vector<WebKit::PluginModuleInfo, 0ul>&, WTF::String const&) ()
   from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#20 0x00007ffff67d15cb in WebKit::PluginInfoStore::loadPluginsIfNecessary() () from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#21 0x00007ffff67d235c in WebKit::PluginInfoStore::plugins() () from /home/balazs/work/WebKitGit/wk2Build/Release/bin/../lib/libQtWebKit.so.4
#22 0x00007ffff672f50d in WebKit::WebContext::getPlugins(bool, WTF::Vector<WebCore::PluginInfo, 0ul>&) ()

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