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[WIN32K:NTUSER] Add missing probe in NtUserGetClassName.

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Thomas Faber 2019-12-29 16:14:17 +01:00
parent 771b87dc8f
commit be92be2e37
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1 changed files with 6 additions and 0 deletions
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6
win32ss/user/ntuser/class.c
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@ -2815,6 +2815,12 @@ NtUserGetClassName (IN HWND hWnd,
{ {
ProbeForWriteUnicodeString(ClassName); ProbeForWriteUnicodeString(ClassName);
CapturedClassName = *ClassName; CapturedClassName = *ClassName;
if (CapturedClassName.Length != 0)
{
ProbeForRead(CapturedClassName.Buffer,
CapturedClassName.Length,
sizeof(WCHAR));
}
/* Get the class name */ /* Get the class name */
Ret = UserGetClassName(Window->pcls, Ret = UserGetClassName(Window->pcls,