libxml2/backport-malloc-fail-Fix-memory-leak-in-xmlDocDumpFormatMemoryEnc.patch
zhuofeng feb7e8218d backport upstream patches
(cherry picked from commit ec64ed27a9add0f7a9bf6ee351ad67302a60c383)
2023-06-20 11:16:46 +08:00

30 lines
809 B
Diff

From c82701ff0b24bc56c6814e690198599cfc8c273a Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Tue, 14 Feb 2023 15:13:06 +0100
Subject: [PATCH] malloc-fail: Fix memory leak in xmlDocDumpFormatMemoryEnc
Found with libFuzzer, see #344.
Reference:https://github.com/GNOME/libxml2/commit/c82701ff0b24bc56c6814e690198599cfc8c273a
Conflict:NA
---
xmlsave.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/xmlsave.c b/xmlsave.c
index 489505f..90e1856 100644
--- a/xmlsave.c
+++ b/xmlsave.c
@@ -2402,6 +2402,7 @@ xmlDocDumpFormatMemoryEnc(xmlDocPtr out_doc, xmlChar **doc_txt_ptr,
if ((out_buff = xmlAllocOutputBuffer(conv_hdlr)) == NULL ) {
xmlSaveErrMemory("creating buffer");
+ xmlCharEncCloseFunc(conv_hdlr);
return;
}
--
2.27.0