[Mesa-dev] [PATCH 01/16] glsl: check for leading zeros in array index validation

Timothy Arceri t_arceri at yahoo.com.au
Fri Jul 17 18:25:28 PDT 2015


---
 src/glsl/linker.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index b7a783c..cb679bd 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;
 }
-- 
2.4.3



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