[tor-bugs] #17097 [Tor Browser]: Print dialog sometimes causes OS X Tor Browser to crash

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Sep 17 19:43:43 UTC 2015


#17097: Print dialog sometimes causes OS X Tor Browser to crash
---------------------------------------------+--------------------------
 Reporter:  arthuredelstein                  |          Owner:  tbb-team
     Type:  defect                           |         Status:  new
 Priority:  normal                           |      Milestone:
Component:  Tor Browser                      |        Version:
 Keywords:  tbb-crash, TorBrowserTeam201509  |  Actual Points:
Parent ID:                                   |         Points:
---------------------------------------------+--------------------------
 On OS X, when I launch the Print dialog (using command+P) and then cancel
 (by hitting ESC) a few times, I can get Tor Browser 5.0.2 to crash. Here's
 the stack trace:

 {{{
 * thread #1: tid = 0x1f6347, 0x0000000101f32460
 XUL`nsCOMPtr<nsIDOMWindow>::operator->(this=0x00007fff5fbfc668) const + 96
 at nsCOMPtr.h:697, queue = 'com.apple.main-thread, stop reason =
 EXC_BAD_ACCESS (code=1, address=0x0)
     frame #0: 0x0000000101f32460
 XUL`nsCOMPtr<nsIDOMWindow>::operator->(this=0x00007fff5fbfc668) const + 96
 at nsCOMPtr.h:697
    694
    695    T* operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN
    696    {
 -> 697      MOZ_ASSERT(mRawPtr != 0,
    698                 "You can't dereference a NULL nsCOMPtr with
 operator->().");
    699      return get();
    700    }
 (lldb) bt
 * thread #1: tid = 0x1f6347, 0x0000000101f32460
 XUL`nsCOMPtr<nsIDOMWindow>::operator->(this=0x00007fff5fbfc668) const + 96
 at nsCOMPtr.h:697, queue = 'com.apple.main-thread, stop reason =
 EXC_BAD_ACCESS (code=1, address=0x0)
     frame #0: 0x0000000101f32460
 XUL`nsCOMPtr<nsIDOMWindow>::operator->(this=0x00007fff5fbfc668) const + 96
 at nsCOMPtr.h:697
     frame #1: 0x00000001033f2b21
 XUL`ThirdPartyUtil::GetFirstPartyURIInternal(this=0x0000000117104550,
 aChannel=0x0000000000000000, aNode=0x0000000128659000, aLogErrors=true,
 aOutput=0x00007fff5fbfc898) + 1809 at ThirdPartyUtil.cpp:651
     frame #2: 0x00000001033f2404
 XUL`ThirdPartyUtil::GetFirstPartyURI(this=0x0000000117104550,
 aChannel=0x0000000000000000, aNode=0x0000000128659000,
 aOutput=0x00007fff5fbfc898) + 52 at ThirdPartyUtil.cpp:575
     frame #3: 0x00000001033f238e
 XUL`ThirdPartyUtil::GetFirstPartyIsolationURI(this=0x0000000117104550,
 aChannel=0x0000000000000000, aNode=0x0000000128659000,
 aOutput=0x00007fff5fbfc898) + 174 at ThirdPartyUtil.cpp:561
     frame #4: 0x00000001033f01e3
 XUL`ThirdPartyUtil::GetFirstPartyHost(aChannel=0x0000000000000000,
 aDocument=0x0000000128659000, aResult=0x00007fff5fbfc958) + 163 at
 ThirdPartyUtil.cpp:47
     frame #5: 0x000000010344a48a
 XUL`ThirdPartyUtil::GetFirstPartyHost(aDocument=0x0000000128659000,
 aResult=0x00007fff5fbfc958) + 42 at ThirdPartyUtil.h:36
     frame #6: 0x000000010348f7c5
 XUL`nsDocument::cycleCollection::Unlink(this=0x000000010a2f2a80,
 p=0x0000000128659000) + 1237 at nsDocument.cpp:2166
     frame #7: 0x000000010474c2cd
 XUL`nsHTMLDocument::cycleCollection::Unlink(this=0x000000010a2f2a80,
 p=0x0000000128659000) + 61 at nsHTMLDocument.cpp:203
     frame #8: 0x0000000101e1aad2
 XUL`nsCycleCollector::CollectWhite(this=0x0000000112097000) + 882 at
 nsCycleCollector.cpp:3297
     frame #9: 0x0000000101e1c1d6
 XUL`nsCycleCollector::Collect(this=0x0000000112097000, aCCType=SliceCC,
 aBudget=0x00007fff5fbfcc18, aManualListener=0x0000000000000000,
 aPreferShorterSlices=false) + 534 at nsCycleCollector.cpp:3648
     frame #10: 0x0000000101e1e40a
 XUL`nsCycleCollector_collectSlice(budget=0x00007fff5fbfcc18,
 aPreferShorterSlices=false) + 298 at nsCycleCollector.cpp:4249
     frame #11: 0x0000000103550dbd
 XUL`nsJSContext::RunCycleCollectorSlice() + 493 at
 nsJSEnvironment.cpp:1533
     frame #12: 0x00000001035510ff
 XUL`ICCTimerFired(aTimer=0x0000000113c239a0, aClosure=0x0000000000000000)
 + 127 at nsJSEnvironment.cpp:1591
     frame #13: 0x0000000101f0487a
 XUL`nsTimerImpl::Fire(this=0x0000000113c239a0) + 986 at
 nsTimerImpl.cpp:631
     frame #14: 0x0000000101f04c91
 XUL`nsTimerEvent::Run(this=0x00000001172a72f0) + 209 at
 nsTimerImpl.cpp:724
     frame #15: 0x0000000101eff653
 XUL`nsThread::ProcessNextEvent(this=0x000000010044e7c0, aMayWait=false,
 aResult=0x00007fff5fbfcf83) + 1699 at nsThread.cpp:855
     frame #16: 0x0000000101f57e2b
 XUL`NS_ProcessPendingEvents(aThread=0x000000010044e7c0, aTimeout=20) + 171
 at nsThreadUtils.cpp:207
     frame #17: 0x0000000105103279
 XUL`nsBaseAppShell::NativeEventCallback(this=0x00000001125e70c0) + 201 at
 nsBaseAppShell.cpp:98
     frame #18: 0x000000010517d3c1
 XUL`nsAppShell::ProcessGeckoEvents(aInfo=0x00000001125e70c0) + 433 at
 nsAppShell.mm:378
     frame #19: 0x00007fff8b9835b1
 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
 + 17
     frame #20: 0x00007fff8b974c62 CoreFoundation`__CFRunLoopDoSources0 +
 242
     frame #21: 0x00007fff8b9743ef CoreFoundation`__CFRunLoopRun + 831
     frame #22: 0x00007fff8b973e75 CoreFoundation`CFRunLoopRunSpecific +
 309
     frame #23: 0x00007fff91922a0d HIToolbox`RunCurrentEventLoopInMode +
 226
     frame #24: 0x00007fff919227b7 HIToolbox`ReceiveNextEventCommon + 479
     frame #25: 0x00007fff919225bc
 HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 65
     frame #26: 0x00007fff8f04724e AppKit`_DPSNextEvent + 1434
     frame #27: 0x00007fff8f04689b AppKit`-[NSApplication
 nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
     frame #28: 0x000000010517bff7 XUL`-[GeckoNSApplication
 nextEventMatchingMask:untilDate:inMode:dequeue:](self=0x0000000100405980,
 _cmd=0x00007fff8fa7a5c3, mask=18446744073709551615,
 expiration=0x422d63c37f00000d, mode=0x00007fff758c3d00, flag='\x01') + 119
 at nsAppShell.mm:120
     frame #29: 0x00007fff8f03a99c AppKit`-[NSApplication run] + 553
     frame #30: 0x000000010517dd6c
 XUL`nsAppShell::Run(this=0x00000001125e70c0) + 172 at nsAppShell.mm:653
     frame #31: 0x0000000105d9d55c
 XUL`nsAppStartup::Run(this=0x0000000113c76f60) + 156 at
 nsAppStartup.cpp:281
     frame #32: 0x0000000105e49130
 XUL`XREMain::XRE_mainRun(this=0x00007fff5fbfef50) + 5104 at
 nsAppRunner.cpp:4444
     frame #33: 0x0000000105e49a6e
 XUL`XREMain::XRE_main(this=0x00007fff5fbfef50, argc=5,
 argv=0x00007fff5fbff8a8, aAppData=0x00007fff5fbff230) + 1006 at
 nsAppRunner.cpp:4524
     frame #34: 0x0000000105e49ebd XUL`XRE_main(argc=5,
 argv=0x00007fff5fbff8a8, aAppData=0x00007fff5fbff230, aFlags=0) + 77 at
 nsAppRunner.cpp:4743
     frame #35: 0x0000000100001d66 firefox`do_main(argc=5,
 argv=0x00007fff5fbff8a8, xreDirectory=0x0000000100420100) + 1750 at
 nsBrowserApp.cpp:294
     frame #36: 0x00000001000011f1 firefox`main(argc=5,
 argv=0x00007fff5fbff8a8) + 321 at nsBrowserApp.cpp:667
     frame #37: 0x0000000100000c54 firefox`start + 52
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17097>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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