From b477d16f2cce7ba44dd4072c269d86059b4e3ca4 Mon Sep 17 00:00:00 2001
From: Stefan Esser
Date: Fri, 13 Apr 2012 15:52:21 +0200
Subject: Fix potential out of bounds access

---
 execute.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'execute.c')

diff --git a/execute.c b/execute.c
index a3766b8..5255052 100644
--- a/execute.c
+++ b/execute.c
@@ -1056,7 +1056,7 @@ static int ih_function_exists(IH_HANDLER_PARAMS)
 	}
 
 	/* Ignore leading "\" */
-	if (lcname[0] == '\\') {
+	if (func_name_len > 0 && lcname[0] == '\\') {
 		lcname = &lcname[1];
 		func_name_len--;
 	}
-- 
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