[PATCH 5/6] wined3d: Validate WINED3DSPR_TEXCRDOUT indices in shader_get_registers_used() (AFL).
Henri Verbeet
hverbeet at codeweavers.com
Mon Feb 20 17:40:07 CST 2017
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
dlls/wined3d/shader.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index 6278392..0bf8e26 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1195,9 +1195,19 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const st
case WINED3DSPR_TEXCRDOUT:
if (shader_version.major >= 3)
{
+ if (idx >= ARRAY_SIZE(reg_maps->u.output_registers_mask))
+ {
+ WARN("Invalid output register index %u.\n", idx);
+ break;
+ }
reg_maps->u.output_registers_mask[idx] |= ins.dst[i].write_mask;
break;
}
+ if (idx >= ARRAY_SIZE(reg_maps->u.texcoord_mask))
+ {
+ WARN("Invalid texcoord index %u.\n", idx);
+ break;
+ }
reg_maps->u.texcoord_mask[idx] |= ins.dst[i].write_mask;
if (reg_maps->output_registers & (1u << idx))
{
--
2.1.4
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