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wined3d: Validate WINED3DSPR_TEXCRDOUT indices in shader_get_registers_used() (AFL). 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2017-02-21 00:40:07 +01:00 committed by Alexandre Julliard
parent 3a7df733c4
commit e27f31d18c
1 changed files with 10 additions and 0 deletions
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10
dlls/wined3d/shader.c
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@ -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))
{