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Johan Hovold 98645a9c69 greybus: firmware: fix information leak 
Add missing sanity checks on get_firmware-request offset and size
parameters to fix potential information leaks.

This prevents remotely controlled information leaks as the requestor
currently controls both the 32-bit firmware-image offset and the amount
of data that is returned (up to host-device MTU).

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
History 2015-11-19 16:07:48 -08:00
drivers/staging/greybus greybus: firmware: fix information leak 2015-11-19 16:07:48 -08:00