From a33ac874c49ef018be9a1a0b82e5fbd3f2257da5 Mon Sep 17 00:00:00 2001
From: Otto Moerbeek <otto@cvs.openbsd.org>
Date: Thu, 2 Feb 2012 08:42:47 +0000
Subject: bound chaeck table expansion; problem seen by Michael Niedermayer; ok
 deraadt@ kili@

---
 bin/ksh/table.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'bin/ksh')

diff --git a/bin/ksh/table.c b/bin/ksh/table.c
index 5f052c9bafc..cedc15f2807 100644
--- a/bin/ksh/table.c
+++ b/bin/ksh/table.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: table.c,v 1.13 2009/01/17 22:06:44 millert Exp $	*/
+/*	$OpenBSD: table.c,v 1.14 2012/02/02 08:42:46 otto Exp $	*/
 
 /*
  * dynamic hashed associative table for commands and variables
@@ -108,7 +108,10 @@ ktenter(struct table *tp, const char *n, unsigned int h)
 	}
 
 	if (tp->nfree <= 0) {	/* too full */
-		texpand(tp, 2*tp->size);
+		if (tp->size <= SHRT_MAX/2)
+			texpand(tp, 2*tp->size);
+		else
+			internal_errorf(1, "too many vars");
 		goto Search;
 	}
 
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