From 2b028564f14d20cdda0c00d8ba100695b40501f5 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Mon, 23 Mar 2015 16:12:38 +0100
Subject: Avoid SIGFPE in wordexp [BZ #18100]

Check for a zero divisor and integer overflow before performing
division in arithmetic expansion.
---
 manual/pattern.texi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'manual')

diff --git a/manual/pattern.texi b/manual/pattern.texi
index da848c340b..d1b9275cf9 100644
--- a/manual/pattern.texi
+++ b/manual/pattern.texi
@@ -2006,7 +2006,8 @@ allocate room for.
 @comment POSIX.2
 @item WRDE_SYNTAX
 There was a syntax error in the input string.  For example, an unmatched
-quoting character is a syntax error.
+quoting character is a syntax error.  This error code is also used to
+signal division by zero and overflow in arithmetic expansion.
 @end table
 @end deftypefun
 
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