Well, then Jesus and animals and plants and stones and electrons have sinned too. The "all" is delimited by other parts of theology, but don't let me stop your proof-texting.
-A8
Uh not quite. The animals and plants and stones and electrons may have sinned, but since they don't have a spirit breathed into them by God, it doesn't matter.
And since Jesus is God manifest in the flesh, that verse does not apply to Him. He didn't fall short of the glory of Himself. :)