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-rw-r--r--src/mesa/shader/arbprogparse.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index b596b79bc7..cdf1b3dc1d 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -1538,12 +1538,20 @@ parse_attrib_binding(GLcontext * ctx, GLubyte ** inst,
GLuint attrib;
if (!parse_generic_attrib_num(ctx, inst, Program, &attrib)) {
*is_generic = 1;
+ if (attrib >= MAX_VERTEX_PROGRAM_ATTRIBS) {
+ const char *msg = "Invalid generic vertex attribute reference";
+ _mesa_set_program_error (ctx, Program->Position, msg);
+ _mesa_error (ctx, GL_INVALID_OPERATION, msg);
+ return 1;
+ }
/* Add VERT_ATTRIB_GENERIC0 here because ARB_vertex_program's
* attributes do not alias the conventional vertex
* attributes.
*/
if (attrib > 0)
*inputReg = attrib + VERT_ATTRIB_GENERIC0;
+ else
+ *inputReg = 0;
}
}
break;