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[Win32k]

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- Fix use after free crash in send messages timeout tests. See CORE-10482
- Dedicated to Thomas Faber.

svn path=/trunk/; revision=69818
This commit is contained in:
James Tabor 2015-11-06 09:37:30 +00:00
parent d1029d63a3
commit 9022021b6d
1 changed files with 7 additions and 1 deletions
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8
reactos/win32ss/user/ntuser/msgqueue.c
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@ -778,7 +778,7 @@ AllocateUserMessage(BOOL KEvent)
KeInitializeEvent(Message->pkCompletionEvent, NotificationEvent, FALSE);
}
SendMsgCount++;
//ERR("AUM pti %p msg %p\n",PsGetCurrentThreadWin32Thread(),Message);
TRACE("AUM pti %p msg %p\n",PsGetCurrentThreadWin32Thread(),Message);
return Message;
}
@ -2226,6 +2226,12 @@ MsqCleanupThreadMsgs(PTHREADINFO pti)
else if ( pti == CurrentSentMessage->ptiSender ||
pti == CurrentSentMessage->ptiCallBackSender )
{
// Determine whether this message is being processed or not.
if ((CurrentSentMessage->flags & (SMF_RECEIVERBUSY|SMF_RECEIVEDMESSAGE)) != SMF_RECEIVEDMESSAGE)
{
CurrentSentMessage->flags |= SMF_RECEIVERFREE;
}
if (!(CurrentSentMessage->flags & SMF_RECEIVERFREE))
{