32 lines
1018 B
Diff
32 lines
1018 B
Diff
From 112340c6c0d6554865220d61f169074aae64da57 Mon Sep 17 00:00:00 2001
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From: Nick Wellnhofer <wellnhofer@aevum.de>
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Date: Sun, 5 Mar 2023 14:07:57 +0100
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Subject: [PATCH] malloc-fail: Fix null deref in xmlSchemaInitTypes
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Found with libFuzzer, see #344.
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Reference:https://github.com/GNOME/libxml2/commit/112340c6c0d6554865220d61f169074aae64da57
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Conflict:NA
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---
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xmlschemastypes.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/xmlschemastypes.c b/xmlschemastypes.c
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index d4864b7..160777f 100644
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--- a/xmlschemastypes.c
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+++ b/xmlschemastypes.c
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@@ -406,6 +406,10 @@ xmlSchemaInitTypes(void)
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xmlSchemaTypeAnyTypeDef = xmlSchemaInitBasicType("anyType",
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XML_SCHEMAS_ANYTYPE,
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NULL);
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+ if (xmlSchemaTypeAnyTypeDef == NULL) {
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+ xmlSchemaTypeErrMemory(NULL, NULL);
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+ return;
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+ }
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xmlSchemaTypeAnyTypeDef->baseType = xmlSchemaTypeAnyTypeDef;
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xmlSchemaTypeAnyTypeDef->contentType = XML_SCHEMA_CONTENT_MIXED;
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/*
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--
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2.27.0
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