1fac6fa5de3f0516f1f49c2016e93b016e7f1ca4
[ Merge of http://go/wvgerrit/148158 ]
[ Cherry pick of http://ag/16982989 ]
A rare race condition was found where a key is selected as the session
is closed. This results in a null pointer dereference in
CryptoSession::SelectKey(). Two additional checks have been added to
SelectKey() to prevent this from occuring.
Bug: 217749078
Test: CDM unit tests, atest GtsMediaTestCases
Change-Id: Iec390cc7d1f28ddc18a30a68bc78922ec4fdbb89
(cherry picked from commit 1cd85a6b79)
Description
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