tree fbaa2047d6a09d349e0ad78faaf75d6ffc3aff00
parent 56d2f601bdd89439f2cd4c1a6cba8f4a8415b836
author Simon Glass <sjg@chromium.org> 1613434086 -0700
committer Tom Rini <trini@konsulko.com> 1613434645 -0500

fit: Don't allow verification of images with @ nodes

When searching for a node called 'fred', any unit address appended to the
name is ignored by libfdt, meaning that 'fred' can match 'fred@1'. This
means that we cannot be sure that the node originally intended is the one
that is used.

Disallow use of nodes with unit addresses.

Update the forge test also, since it uses @ addresses.

CVE-2021-27138

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Bruce Monroe <bruce.monroe@intel.com>
Reported-by: Arie Haenel <arie.haenel@intel.com>
Reported-by: Julien Lenoir <julien.lenoir@intel.com>