tree f6b783b860da9ced2583554c60726cc4ae01abf8
parent 9dfbc8dc03d2339c7deac0c1c44fe1968b402d4a
author Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> 1566252888 -0700
committer Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> 1566402053 -0700

pan/decode: Add static bounds checking utility

Many structures in the command stream have a GPU address and size
determined statically. We should check that the pointers we are passed
are valid and the buffers they point to are big enough for the given
size. If they're not, an MMU fault would be raised.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>