sm-ext-CSSFixes/gamedata/CSSFixes.txt

"Games"
{
	"#default"
	{
		"Signatures"
		{
			"CBaseFilter_InputTestActivator"
			{
				"library"	"server"
				"linux"		"@_ZN11CBaseFilter18InputTestActivatorER11inputdata_t"
			}
		}
	}
}