[Webkit-unassigned] [Bug 48746] Webkit r70599 crashes opening a URL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48746


Adam Roben (aroben) <aroben at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Webkit r 70599 crashes      |Webkit r70599 crashes
                   |opening a URL               |opening a URL




--- Comment #5 from Adam Roben (aroben) <aroben at apple.com>  2010-11-02 04:22:29 PST ---
I can reproduce on Windows XP with the r70599 nightly. Here's the backtrace:

0012f468 015e3b63 08312cf4 7fe92c4c 04bf0080 0x6941dcd
0012f4ac 015e39d0 04bf0000 0012f4f0 7fa46108 JavaScriptCore!JSC::Interpreter::execute+0x143 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\javascriptcore\interpreter\interpreter.cpp @ 751]
0012f4f8 032e1809 0012f540 7fbf51d8 7fbf51a0 JavaScriptCore!JSC::evaluate+0xa0 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\javascriptcore\runtime\completion.cpp @ 65]
0012f550 032e194e 0012f588 0012f5d8 7fea0ae0 WebKit!WebCore::ScriptController::evaluateInWorld+0x129 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\bindings\js\scriptcontroller.cpp @ 149]
0012f564 035b1649 7fec7cf4 0012f5d8 00000001 WebKit!WebCore::ScriptController::evaluate+0x3e [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\bindings\js\scriptcontroller.cpp @ 171]
0012f594 037b5818 0012f5c8 0012f5d8 00000001 WebKit!WebCore::ScriptController::executeScript+0x99 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\bindings\scriptcontrollerbase.cpp @ 62]
0012f624 037b5708 7fd1f9d8 7fb5e000 7fd1f9d8 WebKit!WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent+0xd8 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\html\parser\htmlscriptrunner.cpp @ 143]
0012f670 037b5990 0012f6f4 036c93e8 0012f698 WebKit!WebCore::HTMLScriptRunner::executeParsingBlockingScript+0x68 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\html\parser\htmlscriptrunner.cpp @ 124]
0012f678 036c93e8 0012f698 7fbf7000 7fbf7000 WebKit!WebCore::HTMLScriptRunner::executeParsingBlockingScripts+0x50 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\html\parser\htmlscriptrunner.cpp @ 203]
0012f688 036d8441 7fbf7000 00000000 7fbf7008 WebKit!WebCore::HTMLDocumentParser::notifyFinished+0x68 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\html\parser\htmldocumentparser.cpp @ 458]
0012f6a8 036d8407 7f9e4cb0 7fbce948 7fbf7000 WebKit!WebCore::CachedScript::checkNotify+0x31 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\loader\cachedscript.cpp @ 100]
0012f6b8 03697028 7fbd0190 00000001 076d2838 WebKit!WebCore::CachedScript::data+0xb7 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\loader\cachedscript.cpp @ 90]
0012f6f4 037a6ca4 7fbe4000 0647d970 0012f660 WebKit!WebCore::Loader::Host::didFinishLoading+0x108 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\loader\loader.cpp @ 422]
0012f760 035dcde1 00000000 00000000 0369af02 WebKit!WebCore::SubresourceLoader::didFinishLoading+0x34 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\loader\subresourceloader.cpp @ 183]
0012f76c 0369af02 7f9efbc0 00000000 00000000 WebKit!WebCore::ResourceLoader::didFinishLoading+0x11 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\loader\resourceloader.cpp @ 422]
0012f7b4 0286bfd4 06463378 7f9efbc0 076d2818 WebKit!WebCore::didFinishLoading+0x22 [c:\cygwin\home\buildbot\slave\windows-release-archive\build\opensource\webcore\platform\network\cf\resourcehandlecfnet.cpp @ 245]

Apparently we're dereferencing null.

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