From d3b6303a6853f612a56848ee4e59eaa0b0ab9489 Mon Sep 17 00:00:00 2001
From: Zhang Xiao <xiao.zhang@windriver.com>
Date: Tue, 21 Feb 2017 11:30:14 +0800
Subject: [PATCH] bash: memleak bug fix for builtin command read

Built in command "read" with "-e" use Readline to obtain the line
in an interactive shell. In this process, a string "rlbuf" is
just allocated without free operation thus cause memory leak. Fix it.

Upstream-Status: Submitted [http://lists.gnu.org/archive/html/bug-bash/2017-02/msg00061.html]

Signed-off-by: Zhang Xiao <xiao.zhang@windriver.com>
---
 builtins/read.def | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/builtins/read.def b/builtins/read.def
index 4397154..ee0c5a6 100644
--- a/builtins/read.def
+++ b/builtins/read.def
@@ -674,6 +674,11 @@ add_char:
   input_string[i] = '\0';
   CHECK_ALRM;
 
+#if defined (READLINE)
+  if (edit)
+    xfree (rlbuf);
+#endif
+
   if (retval < 0)
     {
       t_errno = errno;
-- 
1.9.1