libxml2/backport-malloc-fail-Fix-null-deref-with-xmllint-copy.patch
2024-05-06 16:53:04 +08:00

34 lines
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Diff

From 305a75ccbec4e4b14ab6c05d581d82bd9801b19f Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Tue, 6 Jun 2023 13:15:46 +0200
Subject: [PATCH] malloc-fail: Fix null-deref with xmllint --copy
See #344. Fixes #552.
Reference:https://github.com/GNOME/libxml2/commit/305a75ccbec4e4b14ab6c05d581d82bd9801b19f
Conflict:NA
---
xmllint.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/xmllint.c b/xmllint.c
index 4093b4c..084c24a 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -2483,6 +2483,11 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
startTimer();
}
doc = xmlCopyDoc(doc, 1);
+ if (doc == NULL) {
+ progresult = XMLLINT_ERR_MEM;
+ xmlFreeDoc(tmp);
+ return;
+ }
if (timing) {
endTimer("Copying");
}
--
2.33.0