tree 499fca93f3bdfb0549e49a2fa2736e002b9bd698
parent fdc88efc259a7f702c93ecf5afbf0d2453fc0ac1
author Phil Burk <philburk@google.com> 1583268675 -0800
committer Anis Assi <anisassi@google.com> 1602202168 -0700

spdif: fix possible buffer overflow

SPDIF burst buffer could overflow if given bad data.
Check for frmsiz in header being too low.
Prevent numeric overflow in pending bytes calculation.
Prevent numeric overflow when checking for buffer overflow.

Bug: 145262423
Test: tests/spdif_tests.cpp
Change-Id: Ifc7f8c8946388e19f39f35d649a5936568f8b9b2
Merged-In: Ifc7f8c8946388e19f39f35d649a5936568f8b9b2
(cherry picked from commit 1f73a728ef4b6d7d350c0715bdb10d59e5b5f9be)