14 lines
343 B
Diff
14 lines
343 B
Diff
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diff --git a/src/gd_gd2.c b/src/gd_gd2.c
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index 6f28461..a50b33d 100644
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--- a/src/gd_gd2.c
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+++ b/src/gd_gd2.c
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@@ -165,6 +165,8 @@ _gd2GetHeader (gdIOCtxPtr in, int *sx, int *sy,
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if (gdGetInt (&cidx[i].size, in) != 1) {
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goto fail2;
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};
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+ if (cidx[i].offset < 0 || cidx[i].size < 0)
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+ goto fail2;
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};
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*chunkIdx = cidx;
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};
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