From: Timothy Arceri <t_arceri@yahoo.com.au>
Date: Thu, 2 Jul 2015 22:45:30 +0000 (+1000)
Subject: glsl: check for leading zeros in array index validation
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=09c440c718992d48ef118c1aad6929ad215ccd3b;p=mesa.git

glsl: check for leading zeros in array index validation

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
---

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index 28ad2f38e0e..58dd9fbfdae 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -462,6 +462,10 @@ parse_program_resource_name(const GLchar *name,
    if (array_index < 0)
       return -1;
 
+   /* Check for leading zero */
+   if (name[i] == '0' && name[i+1] != ']')
+      return -1;
+
    *out_base_name_end = name + (i - 1);
    return array_index;
 }