From 282bb94471cbb29fb46bbfb06d716071bb4c3816 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 26 Feb 2023 16:54:03 +0100
Subject: [PATCH] malloc-fail: Fix memory leak in exsltFuncRegisterImportFunc

Found with libFuzzer, see #84.
---
 libexslt/functions.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libexslt/functions.c b/libexslt/functions.c
index dc9bdb71..9497d7e0 100644
--- a/libexslt/functions.c
+++ b/libexslt/functions.c
@@ -114,6 +114,7 @@ exsltFuncRegisterImportFunc (void *payload, void *vctxt,
 	    xsltGenericError(xsltGenericErrorContext,
 		    "Failed to register function {%s}%s\n",
 		    URI, name);
+            xmlFree(func);
 	} else {		/* Do the registration */
 	    xsltGenericDebug(xsltGenericDebugContext,
 	            "exsltFuncRegisterImportFunc: register {%s}%s\n",