forked from pool/xorg-x11-server
15 lines
417 B
Diff
15 lines
417 B
Diff
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diff --git a/Xext/cup.c b/Xext/cup.c
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index d0e820c..fd1409e 100644
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--- a/Xext/cup.c
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+++ b/Xext/cup.c
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@@ -176,6 +176,9 @@ int ProcGetReservedColormapEntries(
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REQUEST_SIZE_MATCH (xXcupGetReservedColormapEntriesReq);
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+ if (stuff->screen >= screenInfo.numScreens)
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+ return BadValue;
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+
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#ifndef HAVE_SPECIAL_DESKTOP_COLORS
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citems[CUP_BLACK_PIXEL].pixel =
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screenInfo.screens[stuff->screen]->blackPixel;
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