From a91b113be8fca1a38b2b7f67be11039f3efd44e3 Mon Sep 17 00:00:00 2001
From: Siteshwar Vashisht <svashisht@redhat.com>
Date: Thu, 16 Nov 2017 12:18:00 +0100
Subject: [PATCH] Avoid integer overflow while allocating memory in
 read_comsub() function


diff --git a/subst.c b/subst.c
index eb855e9d..e48524e5 100644
--- a/subst.c
+++ b/subst.c
@@ -5803,7 +5803,8 @@ read_comsub (fd, quoted, flags, rflag)
      int *rflag;
 {
   char *istring, buf[128], *bufp, *s;
-  int istring_index, istring_size, c, tflag, skip_ctlesc, skip_ctlnul;
+  size_t istring_size, istring_index;
+  int c, tflag, skip_ctlesc, skip_ctlnul;
   ssize_t bufn;
   int nullbyte;
 
-- 
2.13.6