Single device tree fix for 4.0
A single patch to avoid an overflow when loading device trees.
# gpg: Signature made Wed 10 Apr 2019 00:52:16 BST
# gpg: using RSA key
F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* remotes/alistair/tags/pull-device-tree-
20190409-1:
device_tree: Fix integer overflowing in load_device_tree()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
filename_path);
goto fail;
}
+ if (dt_size > INT_MAX / 2 - 10000) {
+ error_report("Device tree file '%s' is too large", filename_path);
+ goto fail;
+ }
/* Expand to 2x size to give enough room for manipulation. */
dt_size += 10000;