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https://github.com/reactos/reactos.git
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[win32k]
- Properly destroy the THREADINFO if we fail to create it. We don't leak the THREADINFO no in case of failure. It should also fix random assertion failure when running user32:desktop tests svn path=/trunk/; revision=55798
This commit is contained in:
Giannis Adamopoulos
parent
2c48227400
commit
d52969aa28
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@ -16,6 +16,7 @@ HANDLE hModuleWin;
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PGDI_HANDLE_TABLE NTAPI GDIOBJ_iAllocHandleTable(OUT PSECTION_OBJECT *SectionObject);
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BOOL NTAPI GDI_CleanupForProcess (struct _EPROCESS *Process);
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NTSTATUS NTAPI UserDestroyThreadInfo(struct _ETHREAD *Thread);
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HANDLE GlobalUserHeap = NULL;
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PSECTION_OBJECT GlobalUserHeapSection = NULL;
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@ -56,7 +57,6 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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ASSERT(Process->Peb);
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DPRINT("Enter Win32kProcessCallback\n");
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UserEnterExclusive();
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if (Create)
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@ -74,7 +74,10 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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USERTAG_PROCESSINFO);
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if (ppiCurrent == NULL)
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{
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ERR_CH(UserProcess, "Failed to allocate ppi for PID:%d\n", Process->UniqueProcessId);
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RETURN( STATUS_NO_MEMORY);
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}
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RtlZeroMemory(ppiCurrent, sizeof(PROCESSINFO));
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@ -84,7 +87,7 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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DbgInitDebugChannels();
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#endif
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TRACE_PPI(ppiCurrent, UserProcess,"Allocated ppi for PID:%d\n", Process->UniqueProcessId);
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TRACE_CH(UserProcess,"Allocated ppi 0x%x for PID:%d\n", ppiCurrent, Process->UniqueProcessId);
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/* map the global heap into the process */
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Offset.QuadPart = 0;
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@ -100,7 +103,7 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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PAGE_EXECUTE_READ); /* would prefer PAGE_READONLY, but thanks to RTL heaps... */
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to map the global heap! 0x%x\n", Status);
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TRACE_CH(UserProcess,"Failed to map the global heap! 0x%x\n", Status);
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RETURN(Status);
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}
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ppiCurrent->HeapMappings.Next = NULL;
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@ -155,7 +158,7 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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ASSERT(ppiCurrent);
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TRACE_CH(UserProcess, "Destroying W32 process PID:%d at IRQ level: %lu\n", Process->UniqueProcessId, KeGetCurrentIrql());
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TRACE_CH(UserProcess, "Destroying ppi 0x%x\n", ppiCurrent);
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ppiCurrent->W32PF_flags |= W32PF_TERMINATED;
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if (ppiScrnSaver == ppiCurrent)
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@ -200,6 +203,8 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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GdiPoolDestroy(ppiCurrent->pPoolBrushAttr);
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GdiPoolDestroy(ppiCurrent->pPoolRgnAttr);
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TRACE_CH(UserProcess,"Freeing ppi 0x%x\n", ppiCurrent);
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/* Ftee the PROCESSINFO */
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PsSetProcessWin32Process(Process, NULL);
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ExFreePoolWithTag(ppiCurrent, USERTAG_PROCESSINFO);
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@ -209,186 +214,193 @@ Win32kProcessCallback(struct _EPROCESS *Process,
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CLEANUP:
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UserLeave();
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DPRINT("Leave Win32kProcessCallback, ret=%i\n",_ret_);
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END_CLEANUP;
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}
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NTSTATUS
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APIENTRY
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Win32kThreadCallback(struct _ETHREAD *Thread,
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PSW32THREADCALLOUTTYPE Type)
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NTSTATUS NTAPI
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UserCreateThreadInfo(struct _ETHREAD *Thread)
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{
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struct _EPROCESS *Process;
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PCLIENTINFO pci;
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PTHREADINFO ptiCurrent;
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int i;
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NTSTATUS Status;
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NTSTATUS Status = STATUS_SUCCESS;
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PTEB pTeb;
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DPRINT("Enter Win32kThreadCallback\n");
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UserEnterExclusive();
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Process = Thread->ThreadsProcess;
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pTeb = NtCurrentTeb();
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ASSERT(pTeb);
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if (Type == PsW32ThreadCalloutInitialize)
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ptiCurrent = ExAllocatePoolWithTag(NonPagedPool,
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sizeof(THREADINFO),
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USERTAG_THREADINFO);
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if (ptiCurrent == NULL)
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{
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ERR_CH(UserThread, "Failed to allocate pti for TID %d\n", Thread->Cid.UniqueThread);
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return STATUS_NO_MEMORY;
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}
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RtlZeroMemory(ptiCurrent, sizeof(THREADINFO));
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PsSetThreadWin32Thread(Thread, ptiCurrent);
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pTeb->Win32ThreadInfo = ptiCurrent;
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ptiCurrent->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
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TRACE_CH(UserThread, "Allocated pti 0x%x for TID %d\n", ptiCurrent, Thread->Cid.UniqueThread);
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/* Initialize the THREADINFO */
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InitializeListHead(&ptiCurrent->WindowListHead);
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InitializeListHead(&ptiCurrent->W32CallbackListHead);
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InitializeListHead(&ptiCurrent->PtiLink);
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for (i = 0; i < NB_HOOKS; i++)
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{
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InitializeListHead(&ptiCurrent->aphkStart[i]);
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}
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ptiCurrent->pEThread = Thread;
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ptiCurrent->ppi = PsGetCurrentProcessWin32Process();
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ptiCurrent->ptiSibling = ptiCurrent->ppi->ptiList;
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ptiCurrent->ppi->ptiList = ptiCurrent;
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ptiCurrent->ppi->cThreads++;
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ptiCurrent->MessageQueue = MsqCreateMessageQueue(Thread);
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if(ptiCurrent->MessageQueue == NULL)
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{
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ERR_CH(UserThread,"Failed to allocate message loop\n");
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Status = STATUS_NO_MEMORY;
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goto error;
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}
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ptiCurrent->KeyboardLayout = W32kGetDefaultKeyLayout();
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if (ptiCurrent->KeyboardLayout)
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UserReferenceObject(ptiCurrent->KeyboardLayout);
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ptiCurrent->TIF_flags &= ~TIF_INCLEANUP;
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/* Initialize the CLIENTINFO */
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pci = (PCLIENTINFO)pTeb->Win32ClientInfo;
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RtlZeroMemory(pci, sizeof(CLIENTINFO));
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pci->ppi = ptiCurrent->ppi;
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pci->fsHooks = ptiCurrent->fsHooks;
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pci->dwTIFlags = ptiCurrent->TIF_flags;
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if (ptiCurrent->KeyboardLayout)
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pci->hKL = ptiCurrent->KeyboardLayout->hkl;
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/* Assign a default window station and desktop to the process */
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/* Do not try to open a desktop or window station before winlogon initializes */
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if(ptiCurrent->ppi->hdeskStartup == NULL && LogonProcess != NULL)
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{
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HWINSTA hWinSta = NULL;
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PCLIENTINFO pci;
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HDESK hDesk = NULL;
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UNICODE_STRING DesktopPath;
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PDESKTOP pdesk;
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PRTL_USER_PROCESS_PARAMETERS ProcessParams = Process->Peb->ProcessParameters;
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PRTL_USER_PROCESS_PARAMETERS ProcessParams;
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ASSERT(PsGetThreadWin32Thread(Thread)==NULL);
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/*
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* inherit the thread desktop and process window station (if not yet inherited) from the process startup
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* info structure. See documentation of CreateProcess()
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*/
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ProcessParams = pTeb->ProcessEnvironmentBlock->ProcessParameters;
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ptiCurrent = ExAllocatePoolWithTag(NonPagedPool,
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sizeof(THREADINFO),
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USERTAG_THREADINFO);
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if (ptiCurrent == NULL)
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Status = STATUS_UNSUCCESSFUL;
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if(ProcessParams && ProcessParams->DesktopInfo.Length > 0)
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{
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Status = STATUS_NO_MEMORY;
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goto leave;
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Status = IntSafeCopyUnicodeStringTerminateNULL(&DesktopPath, &ProcessParams->DesktopInfo);
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}
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if(!NT_SUCCESS(Status))
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{
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RtlInitUnicodeString(&DesktopPath, NULL);
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}
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RtlZeroMemory(ptiCurrent, sizeof(THREADINFO));
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Status = IntParseDesktopPath(Process,
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&DesktopPath,
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&hWinSta,
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&hDesk);
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PsSetThreadWin32Thread(Thread, ptiCurrent);
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pTeb->Win32ThreadInfo = ptiCurrent;
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ptiCurrent->pClientInfo = (PCLIENTINFO)pTeb->Win32ClientInfo;
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if (DesktopPath.Buffer)
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ExFreePoolWithTag(DesktopPath.Buffer, TAG_STRING);
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TRACE_CH(UserThread, "Creating W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
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/* Initialize the THREADINFO */
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InitializeListHead(&ptiCurrent->WindowListHead);
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InitializeListHead(&ptiCurrent->W32CallbackListHead);
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InitializeListHead(&ptiCurrent->PtiLink);
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for (i = 0; i < NB_HOOKS; i++)
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if(!NT_SUCCESS(Status))
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{
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InitializeListHead(&ptiCurrent->aphkStart[i]);
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ERR_CH(UserThread, "Failed to assign default dekstop and winsta to process\n");
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goto error;
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}
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ptiCurrent->pEThread = Thread;
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ptiCurrent->ppi = PsGetCurrentProcessWin32Process();
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ptiCurrent->ptiSibling = ptiCurrent->ppi->ptiList;
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ptiCurrent->ppi->ptiList = ptiCurrent;
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ptiCurrent->ppi->cThreads++;
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ptiCurrent->MessageQueue = MsqCreateMessageQueue(Thread);
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ptiCurrent->KeyboardLayout = W32kGetDefaultKeyLayout();
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if (ptiCurrent->KeyboardLayout)
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UserReferenceObject(ptiCurrent->KeyboardLayout);
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ptiCurrent->TIF_flags &= ~TIF_INCLEANUP;
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/* Initialize the CLIENTINFO */
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pci = (PCLIENTINFO)pTeb->Win32ClientInfo;
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RtlZeroMemory(pci, sizeof(CLIENTINFO));
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pci->ppi = ptiCurrent->ppi;
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pci->fsHooks = ptiCurrent->fsHooks;
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pci->dwTIFlags = ptiCurrent->TIF_flags;
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if (ptiCurrent->KeyboardLayout)
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pci->hKL = ptiCurrent->KeyboardLayout->hkl;
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/* Assign a default window station and desktop to the process */
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/* Do not try to open a desktop or window station before winlogon initializes */
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if(ptiCurrent->ppi->hdeskStartup == NULL && LogonProcess != NULL)
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if(!UserSetProcessWindowStation(hWinSta))
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{
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/*
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* inherit the thread desktop and process window station (if not yet inherited) from the process startup
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* info structure. See documentation of CreateProcess()
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*/
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Status = STATUS_UNSUCCESSFUL;
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if(ProcessParams && ProcessParams->DesktopInfo.Length > 0)
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{
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Status = IntSafeCopyUnicodeStringTerminateNULL(&DesktopPath, &ProcessParams->DesktopInfo);
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}
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if(!NT_SUCCESS(Status))
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{
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RtlInitUnicodeString(&DesktopPath, NULL);
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}
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Status = IntParseDesktopPath(Process,
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&DesktopPath,
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&hWinSta,
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&hDesk);
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if (DesktopPath.Buffer)
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ExFreePoolWithTag(DesktopPath.Buffer, TAG_STRING);
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if(!NT_SUCCESS(Status))
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{
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ERR_CH(UserThread, "Failed to assign default dekstop and winsta to process\n");
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goto leave;
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}
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if(!UserSetProcessWindowStation(hWinSta))
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{
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Status = STATUS_UNSUCCESSFUL;
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goto leave;
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}
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/* Validate the new desktop. */
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Status = IntValidateDesktopHandle(hDesk, UserMode, 0, &pdesk);
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if(!NT_SUCCESS(Status))
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{
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goto leave;
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}
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/* Store the parsed desktop as the initial desktop */
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ptiCurrent->ppi->hdeskStartup = hDesk;
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ptiCurrent->ppi->rpdeskStartup = pdesk;
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ERR_CH(UserThread,"Failed to set initial process winsta\n");
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goto error;
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}
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if (ptiCurrent->ppi->hdeskStartup != NULL)
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/* Validate the new desktop. */
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Status = IntValidateDesktopHandle(hDesk, UserMode, 0, &pdesk);
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if(!NT_SUCCESS(Status))
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{
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if (!IntSetThreadDesktop(ptiCurrent->ppi->hdeskStartup, FALSE))
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{
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ERR_CH(UserThread,"Unable to set thread desktop\n");
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Status = STATUS_UNSUCCESSFUL;
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goto leave;
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}
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ERR_CH(UserThread,"Failed to validate initial desktop handle\n");
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goto error;
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}
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/* Store the parsed desktop as the initial desktop */
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ptiCurrent->ppi->hdeskStartup = hDesk;
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ptiCurrent->ppi->rpdeskStartup = pdesk;
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}
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if (ptiCurrent->ppi->hdeskStartup != NULL)
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{
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if (!IntSetThreadDesktop(ptiCurrent->ppi->hdeskStartup, FALSE))
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{
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ERR_CH(UserThread,"Failed to set thread desktop\n");
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Status = STATUS_UNSUCCESSFUL;
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goto error;
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}
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}
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else
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/* mark the thread as fully initialized */
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ptiCurrent->TIF_flags |= TIF_GUITHREADINITIALIZED;
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ptiCurrent->pClientInfo->dwTIFlags = ptiCurrent->TIF_flags;
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return STATUS_SUCCESS;
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error:
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UserDestroyThreadInfo(Thread);
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return Status;
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}
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NTSTATUS
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NTAPI
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UserDestroyThreadInfo(struct _ETHREAD *Thread)
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{
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PTHREADINFO *ppti;
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PSINGLE_LIST_ENTRY psle;
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PPROCESSINFO ppiCurrent;
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struct _EPROCESS *Process;
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PTHREADINFO ptiCurrent;
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Process = Thread->ThreadsProcess;
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/* Get the Win32 Thread */
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ptiCurrent = PsGetThreadWin32Thread(Thread);
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ASSERT(ptiCurrent);
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TRACE_CH(UserThread,"Destroying pti 0x%x\n", ptiCurrent);
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ppiCurrent = ptiCurrent->ppi;
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ptiCurrent->TIF_flags |= TIF_INCLEANUP;
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ptiCurrent->pClientInfo->dwTIFlags = ptiCurrent->TIF_flags;
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/* Decrement thread count and check if its 0 */
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ppiCurrent->cThreads--;
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if(ptiCurrent->TIF_flags & TIF_GUITHREADINITIALIZED)
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{
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PTHREADINFO *ppti;
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PSINGLE_LIST_ENTRY psle;
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PPROCESSINFO ppiCurrent;
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/* Get the Win32 Thread */
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ptiCurrent = PsGetThreadWin32Thread(Thread);
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ASSERT(ptiCurrent);
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TRACE_CH(UserThread,"Destroying W32 thread TID:%d at IRQ level: %lu\n", Thread->Cid.UniqueThread, KeGetCurrentIrql());
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ppiCurrent = ptiCurrent->ppi;
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ptiCurrent->TIF_flags |= TIF_INCLEANUP;
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ptiCurrent->pClientInfo->dwTIFlags = ptiCurrent->TIF_flags;
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/* Find the THREADINFO in the PROCESSINFO's list */
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ppti = &ppiCurrent->ptiList;
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while (*ppti != NULL && *ppti != ptiCurrent)
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{
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ppti = &((*ppti)->ptiSibling);
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}
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/* we must have found it */
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ASSERT(*ppti == ptiCurrent);
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/* Remove it from the list */
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*ppti = ptiCurrent->ptiSibling;
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/* Decrement thread count and check if its 0 */
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ppiCurrent->cThreads--;
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/* Do now some process cleanup that requires a valid win32 thread */
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if(ptiCurrent->ppi->cThreads == 0)
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{
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/* Check if we have registered the user api hook */
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if(ptiCurrent->ppi == ppiUahServer)
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{
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/* Unregister the api hook without blocking */
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/* Unregister the api hook */
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UserUnregisterUserApiHook();
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}
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@ -399,7 +411,7 @@ Win32kThreadCallback(struct _ETHREAD *Thread,
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{
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DWORD ExitCode = PsGetProcessExitStatus(Process);
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TRACE_PPI(ppiCurrent, UserProcess, "Shell process is exiting (%d)\n", ExitCode);
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TRACE_CH(UserProcess, "Shell process is exiting (%d)\n", ExitCode);
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UserPostMessage(hwndSAS,
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WM_LOGONNOTIFY,
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@ -414,18 +426,12 @@ Win32kThreadCallback(struct _ETHREAD *Thread,
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DceFreeThreadDCE(ptiCurrent);
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HOOK_DestroyThreadHooks(Thread);
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EVENT_DestroyThreadEvents(Thread);
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/* Cleanup timers */
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DestroyTimersForThread(ptiCurrent);
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KeSetEvent(ptiCurrent->MessageQueue->NewMessages, IO_NO_INCREMENT, FALSE);
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UnregisterThreadHotKeys(Thread);
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co_DestroyThreadWindows(Thread);
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IntBlockInput(ptiCurrent, FALSE);
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MsqDestroyMessageQueue(ptiCurrent->MessageQueue);
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IntCleanupThreadCallbacks(ptiCurrent);
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if (ptiCurrent->KeyboardLayout)
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UserDereferenceObject(ptiCurrent->KeyboardLayout);
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/* cleanup user object references stack */
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psle = PopEntryList(&ptiCurrent->ReferencesList);
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@ -437,20 +443,62 @@ Win32kThreadCallback(struct _ETHREAD *Thread,
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psle = PopEntryList(&ptiCurrent->ReferencesList);
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}
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IntSetThreadDesktop(NULL, TRUE);
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/* Free the THREADINFO */
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PsSetThreadWin32Thread(Thread, NULL);
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ExFreePoolWithTag(ptiCurrent, USERTAG_THREADINFO);
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}
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Status = STATUS_SUCCESS;
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/* Free the message queue */
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if(ptiCurrent->MessageQueue)
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MsqDestroyMessageQueue(ptiCurrent->MessageQueue);
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|
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/* Find the THREADINFO in the PROCESSINFO's list */
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ppti = &ppiCurrent->ptiList;
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while (*ppti != NULL && *ppti != ptiCurrent)
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{
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ppti = &((*ppti)->ptiSibling);
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}
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/* we must have found it */
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ASSERT(*ppti == ptiCurrent);
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/* Remove it from the list */
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*ppti = ptiCurrent->ptiSibling;
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if (ptiCurrent->KeyboardLayout)
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UserDereferenceObject(ptiCurrent->KeyboardLayout);
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IntSetThreadDesktop(NULL, TRUE);
|
||||
|
||||
TRACE_CH(UserThread,"Freeing pti 0x%x\n", ptiCurrent);
|
||||
|
||||
/* Free the THREADINFO */
|
||||
PsSetThreadWin32Thread(Thread, NULL);
|
||||
ExFreePoolWithTag(ptiCurrent, USERTAG_THREADINFO);
|
||||
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
APIENTRY
|
||||
Win32kThreadCallback(struct _ETHREAD *Thread,
|
||||
PSW32THREADCALLOUTTYPE Type)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
|
||||
UserEnterExclusive();
|
||||
|
||||
ASSERT(NtCurrentTeb());
|
||||
|
||||
if (Type == PsW32ThreadCalloutInitialize)
|
||||
{
|
||||
ASSERT(PsGetThreadWin32Thread(Thread) == NULL);
|
||||
Status = UserCreateThreadInfo(Thread);
|
||||
}
|
||||
else
|
||||
{
|
||||
ASSERT(PsGetThreadWin32Thread(Thread) != NULL);
|
||||
Status = UserDestroyThreadInfo(Thread);
|
||||
}
|
||||
|
||||
leave:
|
||||
UserLeave();
|
||||
DPRINT("Leave Win32kThreadCallback, Status=0x%lx\n",Status);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue