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Make sure to attach to the specified process before dereferencing ClientInfo, which is a user mode structure.
CORE-l0017 #resolve

svn path=/trunk/; revision=68702
This commit is contained in:
Timo Kreuzer 2015-08-12 10:34:05 +00:00
parent ec86c24e97
commit 7052282507
1 changed files with 5 additions and 0 deletions
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5
reactos/win32ss/user/ntuser/message.c
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@ -2870,6 +2870,7 @@ NtUserWaitForInputIdle( IN HANDLE hProcess,
NTSTATUS Status;
HANDLE Handles[3];
LARGE_INTEGER Timeout;
KAPC_STATE ApcState;
UserEnterExclusive();
@ -2915,6 +2916,8 @@ NtUserWaitForInputIdle( IN HANDLE hProcess,
if (dwMilliseconds != INFINITE)
Timeout.QuadPart = (LONGLONG) dwMilliseconds * (LONGLONG) -10000;
KeStackAttachProcess(&Process->Pcb, &ApcState);
W32Process->W32PF_flags |= W32PF_WAITFORINPUTIDLE;
for (pti = W32Process->ptiList; pti; pti = pti->ptiSibling)
{
@ -2922,6 +2925,8 @@ NtUserWaitForInputIdle( IN HANDLE hProcess,
pti->pClientInfo->dwTIFlags = pti->TIF_flags;
}
KeUnstackDetachProcess(&ApcState);
TRACE("WFII: ppi %p\n", W32Process);
TRACE("WFII: waiting for %p\n", Handles[1] );