tree e4d9d630d4200a40bcc96b2a168828f8fb4ed1df
parent fc8e6e8668e74fbf8e00d6e143d7f43b20f73f32
author Lars-Peter Clausen <lars@metafoo.de> 1322469854 +0100
committer Mark Brown <broonie@opensource.wolfsonmicro.com> 1322567633 +0000

firmware: Sigma: Prevent out of bounds memory access

The SigmaDSP firmware loader currently does not perform enough boundary size
checks when processing the firmware. As a result it is possible that a
malformed firmware can cause an out of bounds memory access.

This patch adds checks which ensure that both the action header and the payload
are completely inside the firmware data boundaries before processing them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org