[Webkit-unassigned] [Bug 81012] New: Assertion failure in PlatformPasteboardMac constructor causing multiple tests to "crash" on the Lion Intel WebKit2 Debug bots

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Mar 13 11:03:41 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=81012

           Summary: Assertion failure in PlatformPasteboardMac constructor
                    causing multiple tests to "crash" on the Lion Intel
                    WebKit2 Debug bots
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://build.webkit.org/results/Lion%20Intel%20Debug%2
                    0(WebKit2%20Tests)/r110566%20(4846)/editing/execComman
                    d/copy-without-selection-crash-log.txt
        OS/Version: Mac OS X 10.7
            Status: NEW
          Keywords: LayoutTestFailure, MakingBotsRed, NeedsRadar,
                    Regression
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jberlin at webkit.org
                CC: ap at webkit.org, enrica at apple.com,
                    webkit-bug-importer at group.apple.com,
                    timothy_horton at apple.com


I am not sure when it regressed, since it appears to be happening for at least last 200 builds:

http://build.webkit.org/results/Lion%20Intel%20Debug%20(WebKit2%20Tests)/r110578%20(4851)/editing/execCommand/4128080-2-crash-log.txt
http://build.webkit.org/old-results/Lion%20Intel%20Debug%20(WebKit2%20Tests)/r110129%20(4652)/editing/execCommand/4128080-2-crash-log.txt

Here is a sample log:

http://build.webkit.org/results/Lion%20Intel%20Debug%20(WebKit2%20Tests)/r110566%20(4846)/editing/execCommand/copy-without-selection-crash-log.txt

Process:         WebKitTestRunner [18527]
Path:            /Volumes/VOLUME/*/WebKitTestRunner
Identifier:      WebKitTestRunner
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  Python [18327]

Date/Time:       2012-03-13 08:55:12.652 -0700
OS Version:      Mac OS X 10.7.2 (11C74)
Report Version:  9

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef

VM Regions Near 0xbbadbeef:
--> 
    __TEXT                 0000000108eba000-0000000108ed0000 [   88K] r-x/rwx SM=COW  /Volumes/VOLUME/*

Application Specific Information:
objc[18527]: garbage collection is OFF

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x000000010c271d31 WebCore::PlatformPasteboard::PlatformPasteboard(WTF::String const&) + 177 (PlatformPasteboardMac.mm:35)
1   com.apple.WebCore                 0x000000010c271c6d WebCore::PlatformPasteboard::PlatformPasteboard(WTF::String const&) + 29 (PlatformPasteboardMac.mm:36)
2   com.apple.WebKit2                 0x000000010909b378 WebKit::WebContext::getPasteboardChangeCount(WTF::String const&, unsigned long long&) + 40 (WebContextMac.mm:193)
3   com.apple.WebKit2                 0x00000001090a49ef void CoreIPC::callMemberFunction<WebKit::WebContext, void (WebKit::WebContext::*)(WTF::String const&, unsigned long long&), WTF::String, unsigned long long>(CoreIPC::Arguments1<WTF::String> const&, CoreIPC::Arguments1<unsigned long long>&, WebKit::WebContext*, void (WebKit::WebContext::*)(WTF::String const&, unsigned long long&)) + 143 (HandleMessage.h:94)
4   com.apple.WebKit2                 0x00000001090a4581 void CoreIPC::handleMessage<Messages::WebContext::GetPasteboardChangeCount, WebKit::WebContext, void (WebKit::WebContext::*)(WTF::String const&, unsigned long long&)>(CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*, WebKit::WebContext*, void (WebKit::WebContext::*)(WTF::String const&, unsigned long long&)) + 161 (HandleMessage.h:308)
5   com.apple.WebKit2                 0x00000001090a35e7 WebKit::WebContext::didReceiveSyncWebContextMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, WTF::OwnPtr<CoreIPC::ArgumentEncoder>&) + 647 (WebContextMessageReceiver.cpp:143)
6   com.apple.WebKit2                 0x0000000109086453 WebKit::WebContext::didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, WTF::OwnPtr<CoreIPC::ArgumentEncoder>&) + 99 (WebContext.cpp:741)
7   com.apple.WebKit2                 0x0000000109203f87 WebKit::WebProcessProxy::didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, WTF::OwnPtr<CoreIPC::ArgumentEncoder>&) + 215 (WebProcessProxy.cpp:344)
8   com.apple.WebKit2                 0x000000010907e9ed WebKit::WebConnectionToWebProcess::didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, WTF::OwnPtr<CoreIPC::ArgumentEncoder>&) + 93 (WebConnectionToWebProcess.cpp:98)
9   com.apple.WebKit2                 0x000000010907ea45 non-virtual thunk to WebKit::WebConnectionToWebProcess::didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, WTF::OwnPtr<CoreIPC::ArgumentEncoder>&) + 69
10  com.apple.WebKit2                 0x0000000108f1d961 CoreIPC::Connection::dispatchSyncMessage(CoreIPC::MessageID, CoreIPC::ArgumentDecoder*) + 289 (Connection.cpp:650)
11  com.apple.WebKit2                 0x0000000108f1af38 CoreIPC::Connection::dispatchMessage(CoreIPC::Connection::Message<CoreIPC::ArgumentDecoder>&) + 328 (Connection.cpp:690)
12  com.apple.WebKit2                 0x0000000108f1adc5 CoreIPC::Connection::SyncMessageState::dispatchMessages() + 277 (Connection.cpp:167)
13  com.apple.WebKit2                 0x0000000108f1ac9e CoreIPC::Connection::SyncMessageState::dispatchMessageAndResetDidScheduleDispatchMessagesWork() + 158 (Connection.cpp:182)
14  com.apple.WebKit2                 0x0000000108f27190 WTF::FunctionWrapper<void (CoreIPC::Connection::SyncMessageState::*)()>::operator()(CoreIPC::Connection::SyncMessageState*) + 112 (Functional.h:173)
15  com.apple.WebKit2                 0x0000000108f27115 WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::SyncMessageState::*)()>, void ()(CoreIPC::Connection::SyncMessageState*)>::operator()() + 53 (Functional.h:373)
16  com.apple.WebCore                 0x000000010c57592d WTF::Function<void ()()>::operator()() const + 141 (Functional.h:581)
17  com.apple.WebCore                 0x000000010c5756b3 WebCore::RunLoop::performWork() + 147 (RunLoop.cpp:66)
18  com.apple.WebCore                 0x000000010c576ad0 WebCore::RunLoop::performWork(void*) + 96 (RunLoopMac.mm:65)
19  com.apple.CoreFoundation          0x00007fff875e2b51 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
20  com.apple.CoreFoundation          0x00007fff875e23bd __CFRunLoopDoSources0 + 253
21  com.apple.CoreFoundation          0x00007fff876091a9 __CFRunLoopRun + 905
22  com.apple.CoreFoundation          0x00007fff87608ae6 CFRunLoopRunSpecific + 230
23  com.apple.Foundation              0x00007fff80f4e04f -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 267
24  WebKitTestRunner                  0x0000000108ec4ddc WTR::TestController::platformRunUntil(bool&, double) + 204 (TestControllerMac.mm:60)
25  WebKitTestRunner                  0x0000000108ec06f5 WTR::TestController::runUntil(bool&, WTR::TestController::TimeoutDuration) + 149 (TestController.cpp:563)
26  WebKitTestRunner                  0x0000000108ec5b64 WTR::TestInvocation::invoke() + 1396 (TestInvocation.cpp:171)
27  WebKitTestRunner                  0x0000000108ec0d78 WTR::TestController::runTest(char const*) + 1656 (TestController.cpp:513)
28  WebKitTestRunner                  0x0000000108ec0e82 WTR::TestController::runTestingServerLoop() + 178 (TestController.cpp:529)
29  WebKitTestRunner                  0x0000000108ebf500 WTR::TestController::run() + 48 (TestController.cpp:537)
30  WebKitTestRunner                  0x0000000108ebe1c6 WTR::TestController::TestController(int, char const**) + 614 (TestController.cpp:88)
31  WebKitTestRunner                  0x0000000108ebdf53 WTR::TestController::TestController(int, char const**) + 35 (TestController.cpp:89)
32  WebKitTestRunner                  0x0000000108ebbeaf main + 143 (main.mm:36)
33  WebKitTestRunner                  0x0000000108ebbe14 start + 52

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