31 lines
833 B
Diff
31 lines
833 B
Diff
From 08695683dbd78301aa95bf3042871256479bc6a6 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Mon, 30 Jan 2023 15:52:00 +0100
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Subject: [PATCH] malloc-fail: Add error check in xmlXPathEqualNodeSetFloat
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Avoid null deref.
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Found with libFuzzer, see #344.
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Reference:https://github.com/GNOME/libxml2/commit/08695683dbd78301aa95bf3042871256479bc6a6
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Conflict:NA
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---
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xpath.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/xpath.c b/xpath.c
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index 6d76e43..77d5434 100644
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--- a/xpath.c
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+++ b/xpath.c
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@@ -6799,6 +6799,7 @@ xmlXPathEqualNodeSetFloat(xmlXPathParserContextPtr ctxt,
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xmlFree(str2);
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xmlXPathNumberFunction(ctxt, 1);
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val = valuePop(ctxt);
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+ CHECK_ERROR0;
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v = val->floatval;
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xmlXPathReleaseObject(ctxt->context, val);
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if (!xmlXPathIsNaN(v)) {
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--
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2.27.0
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