From: Ayush Mittal <ayush.m@samsung.com>
Date: Fri, 19 Feb 2021 04:59:03 +0000 (-0700)
Subject: [PATCH v2] libiberty(argv.c): Fix memory leak in expandargv
X-Git-Tag: basepoints/gcc-12~967
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b2b7ef3676920c120d9b329e5b65924650ab44c;p=thirdparty%2Fgcc.git

[PATCH v2] libiberty(argv.c): Fix memory leak in expandargv

libiberty:
	* argv.c (expandargv): free allocated buffer if read fails.
---

diff --git a/libiberty/argv.c b/libiberty/argv.c
index cd97f9071c2f..48dcd102461f 100644
--- a/libiberty/argv.c
+++ b/libiberty/argv.c
@@ -442,7 +442,10 @@ expandargv (int *argcp, char ***argvp)
 	     due to CR/LF->CR translation when reading text files.
 	     That does not in-and-of itself indicate failure.  */
 	  && ferror (f))
-	goto error;
+	{
+	  free (buffer);
+	  goto error;
+	}
       /* Add a NUL terminator.  */
       buffer[len] = '\0';
       /* If the file is empty or contains only whitespace, buildargv would