106329 2013-01-08 08:47:25 -0800 REGRESSION (r138921): Crash in JSC::Arguments::create 2013-01-09 08:19:57 -0800 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Mac (Intel) OS X 10.8 RESOLVED FIXED http://www.warcaststudios.com/atom-icon-gallery InRadar, Regression P1 Critical --- 106459 105845 1 kevin fpizlo ap fpizlo oldest_to_newest 802278 0 kevin 2013-01-08 08:47:25 -0800 This is spawned off testing Bug 105845 where the gallery is not even working correctly since a previous bug, but now... View the gallery link and click to view a picture. As soon as I move the mouse after... Crash. Process: WebProcess [8205] Path: /Applications/WebKit.app/Contents/Frameworks/10.8/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess Identifier: com.apple.WebProcess Version: 537+ (537.25+) Code Type: X86-64 (Native) Parent Process: SafariForWebKitDevelopment [8202] User ID: 501 Date/Time: 2013-01-07 23:38:08.342 -0500 OS Version: Mac OS X 10.8.2 (12C60) Report Version: 10 Interval Since Last Report: 1161632 sec Crashes Since Last Report: -7 Per-App Interval Since Last Report: 84921 sec Per-App Crashes Since Last Report: 2 Anonymous UUID: 3FB4F99D-AA2A-BF09-84EE-B9783AA375CE Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000018 VM Regions Near 0x18: --> __TEXT 000000010845b000-000000010845c000 [ 4K] r-x/rwx SM=COW /Applications/WebKit.app/Contents/Frameworks/10.8/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess Application Specific Information: Bundle controller class: BrowserBundleController Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000010890b207 JSC::Arguments::create(JSC::JSGlobalData&, JSC::ExecState*, JSC::InlineCallFrame*) + 199 1 ??? 0x000000010aa33df6 0 + 4473437686 2 com.apple.JavaScriptCore 0x00000001089952f4 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 548 3 com.apple.JavaScriptCore 0x00000001088a34a5 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 69 4 com.apple.WebCore 0x000000010926bf1f WebCore::JSMainThreadExecState::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 143 5 com.apple.WebCore 0x00000001097d7f7f WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext*) + 479 6 com.apple.WebCore 0x00000001097d7c1c WebCore::ScheduledAction::execute(WebCore::Document*) + 156 7 com.apple.WebCore 0x0000000108f88573 WebCore::DOMTimer::fired() + 323 8 com.apple.WebCore 0x000000010999e83f WebCore::ThreadTimers::sharedTimerFiredInternal() + 159 9 com.apple.WebCore 0x0000000109827cb3 WebCore::timerFired(__CFRunLoopTimer*, void*) + 51 10 com.apple.CoreFoundation 0x00007fff8ef4cda4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20 11 com.apple.CoreFoundation 0x00007fff8ef4c8bd __CFRunLoopDoTimer + 557 12 com.apple.CoreFoundation 0x00007fff8ef32099 __CFRunLoopRun + 1513 13 com.apple.CoreFoundation 0x00007fff8ef316b2 CFRunLoopRunSpecific + 290 14 com.apple.HIToolbox 0x00007fff94dad0a4 RunCurrentEventLoopInMode + 209 15 com.apple.HIToolbox 0x00007fff94dace42 ReceiveNextEventCommon + 356 16 com.apple.HIToolbox 0x00007fff94daccd3 BlockUntilNextEventMatchingListInMode + 62 17 com.apple.AppKit 0x00007fff929ec613 _DPSNextEvent + 685 18 com.apple.AppKit 0x00007fff929ebed2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128 19 com.apple.AppKit 0x00007fff929e3283 -[NSApplication run] + 517 20 com.apple.WebCore 0x00000001097d39d3 WebCore::RunLoop::run() + 67 21 com.apple.WebKit2 0x00000001085b443f int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMainDelegate>(WebKit::CommandLine const&) + 575 22 com.apple.WebKit2 0x0000000108557557 WebKitMain + 299 23 com.apple.WebProcess 0x000000010845be7b main + 214 24 libdyld.dylib 0x00007fff904cc7e1 start + 1 802327 1 ap 2013-01-08 10:21:57 -0800 For me, this is a little tricky to reproduce - sometimes, I have to click multiple thumbnails before crashing. But it looks like this started with <http://trac.webkit.org/changeset/138921>. 802328 2 ap 2013-01-08 10:22:28 -0800 <rdar://problem/12974196> 802596 3 fpizlo 2013-01-08 13:56:52 -0800 Ooops, this is a really silly regression. I will have a patch shortly. 802598 4 181752 fpizlo 2013-01-08 13:59:33 -0800 Created attachment 181752 the patch 802602 5 181752 mhahnenberg 2013-01-08 14:02:37 -0800 Comment on attachment 181752 the patch r=me 802605 6 fpizlo 2013-01-08 14:03:38 -0800 Landed in http://trac.webkit.org/changeset/139109 181752 2013-01-08 13:59:33 -0800 2013-01-08 14:02:37 -0800 the patch fixargs.patch text/plain 10814 fpizlo SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTM5MTA4KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDIyIEBA CisyMDEzLTAxLTA4ICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CisKKyAgICAgICAg UkVHUkVTU0lPTiAocjEzODkyMSk6IENyYXNoIGluIEpTQzo6QXJndW1lbnRzOjpjcmVhdGUKKyAg ICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTEwNjMyOQorICAg 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