seems that in this function: mMediaData.backedUpData() might be NULL
void SessionMachine::restoreSnapshotHandler(RestoreSnapshotTask &aTask)
{
// Normally we "detach" the medium by removing the attachment object
// from the current machine data; saveSettings() below would then
// compare the current machine data with the one in the backup
// and actually call Medium::detachFrom(). But that works only half
// the time in our case so instead we force a detachment here:
// remove from machine data
mMediaData->mAttachments.remove(pAttach);
// remove it from the backup or else saveSettings will try to detach
// it again and assert
mMediaData.backedUpData()->mAttachments.remove(pAttach);
// then clean up backrefs
pMedium->detachFrom(mData->mUuid);
}
VBoxSVC.exe!std::list<ComObjPtr<MediumAttachment>,std::allocator<ComObjPtr<MediumAttachment>
> >::end() Line 538 + 0x7 bytes C++
VBoxSVC.exe!std::list<ComObjPtr<MediumAttachment>,std::allocator<ComObjPtr<MediumAttachment>
> >::remove(const ComObjPtr<MediumAttachment> & _Val_arg={...}) Line 907 C++
> VBoxSVC.exe!SessionMachine::restoreSnapshotHandler(SessionMachine::RestoreSnapshotTask
> & aTask={...}) Line 1916 C++
VBoxSVC.exe!SessionMachine::RestoreSnapshotTask::handler() Line 1178 C++
VBoxSVC.exe!SessionMachine::taskHandler(RTTHREADINT * __formal=0x0357d9d8,
void * pvUser=0x039c76a0) Line 1215 + 0xe bytes C++
VBoxRT.dll!rtThreadMain(RTTHREADINT * pThread=0x0357d9d8, unsigned int
NativeThread=7124, const char * pszThreadName=0x0357df54) Line 679 + 0xa
bytes C++
VBoxRT.dll!rtThreadNativeMain(void * pvArgs=0x0357d9d8) Line 102 + 0xe
bytes C++
msvcr80.dll!_callthreadstartex() Line 348 + 0x6 bytes C
msvcr80.dll!_threadstartex(void * ptd=0x034a0b28) Line 326 + 0x5 bytes C
kernel32.d...@basethreadinitthunk@12() + 0x12 bytes
ntdll.dll!___rtluserthreadst...@8() + 0x27 bytes
ntdll.dll!__rtluserthreadst...@8() + 0x1b bytes
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