libxml2/backport-malloc-fail-Fix-type-confusion-after-xmlSchemaFixupT.patch
zhuofeng feb7e8218d backport upstream patches
(cherry picked from commit ec64ed27a9add0f7a9bf6ee351ad67302a60c383)
2023-06-20 11:16:46 +08:00

38 lines
1.0 KiB
Diff

From 73bd5d52ae314a17a6b60f7c0ab893c812e714e7 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 5 Mar 2023 14:11:55 +0100
Subject: [PATCH] malloc-fail: Fix type confusion after
xmlSchemaFixupTypeAttributeUses
Found with libFuzzer, see #344.
Reference:https://github.com/GNOME/libxml2/commit/73bd5d52ae314a17a6b60f7c0ab893c812e714e7
Conflict:NA
---
xmlschemas.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xmlschemas.c b/xmlschemas.c
index dd79d2e..46cbe0f 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -14572,6 +14572,7 @@ xmlSchemaFixupTypeAttributeUses(xmlSchemaParserCtxtPtr pctxt,
{
PERROR_INT("xmlSchemaFixupTypeAttributeUses",
"failed to expand attributes");
+ return(-1);
}
if (pctxt->attrProhibs->nbItems != 0)
prohibs = pctxt->attrProhibs;
@@ -14582,6 +14583,7 @@ xmlSchemaFixupTypeAttributeUses(xmlSchemaParserCtxtPtr pctxt,
{
PERROR_INT("xmlSchemaFixupTypeAttributeUses",
"failed to expand attributes");
+ return(-1);
}
}
}
--
2.27.0