From: Mark Wielaard <mjw@redhat.com>
Date: Sat, 13 Feb 2016 18:48:57 +0000 (+0100)
Subject: libdwfl: Don't leak memory in proc_maps_report when ENOEXEC.
X-Git-Tag: elfutils-0.166~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee38add05d201eb79a36c89b92dddedbc909a1c7;p=thirdparty%2Felfutils.git

libdwfl: Don't leak memory in proc_maps_report when ENOEXEC.

We forgot to free last_file on error.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
---

diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog
index 903c0cc70..69fd23375 100644
--- a/libdwfl/ChangeLog
+++ b/libdwfl/ChangeLog
@@ -1,3 +1,7 @@
+2016-02-13  Mark Wielaard  <mjw@redhat.com>
+
+	* linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
+
 2016-02-13  Mark Wielaard  <mjw@redhat.com>
 
 	* frame_unwind.c (new_unwound): Check and return unwound.
diff --git a/libdwfl/linux-proc-maps.c b/libdwfl/linux-proc-maps.c
index 9e7b2a21f..94b26d59e 100644
--- a/libdwfl/linux-proc-maps.c
+++ b/libdwfl/linux-proc-maps.c
@@ -1,5 +1,5 @@
 /* Standard libdwfl callbacks for debugging a live Linux process.
-   Copyright (C) 2005-2010, 2013, 2014 Red Hat, Inc.
+   Copyright (C) 2005-2010, 2013, 2014, 2016 Red Hat, Inc.
    This file is part of elfutils.
 
    This file is free software; you can redistribute it and/or modify
@@ -218,6 +218,7 @@ proc_maps_report (Dwfl *dwfl, FILE *f, GElf_Addr sysinfo_ehdr, pid_t pid)
 	  || nread <= 0)
 	{
 	  free (line);
+	  free (last_file);
 	  return ENOEXEC;
 	}