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27 lines
1005 B
Diff
27 lines
1005 B
Diff
From 1b821d7a8398741a164800039535aaad396c299e Mon Sep 17 00:00:00 2001
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From: Nikolay Sivov <nsivov@codeweavers.com>
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Date: Tue, 31 Jul 2018 08:35:01 +0300
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Subject: [PATCH] dwrite: Avoid possible out-of-bounds cluster metrics access.
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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
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---
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dlls/dwrite/layout.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c
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index 306c1178d4..903e7e8978 100644
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--- a/dlls/dwrite/layout.c
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+++ b/dlls/dwrite/layout.c
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@@ -2089,7 +2089,7 @@ static HRESULT layout_compute_effective_runs(struct dwrite_textlayout *layout)
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*/
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if (layout->len == 0)
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hr = layout_set_dummy_line_metrics(layout, 0);
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- else if (layout->clustermetrics[layout->cluster_count - 1].isNewline)
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+ else if (layout->cluster_count && layout->clustermetrics[layout->cluster_count - 1].isNewline)
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hr = layout_set_dummy_line_metrics(layout, layout->len - 1);
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if (FAILED(hr))
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return hr;
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--
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2.18.0
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