tree 516d8e3e328cfb6dab6586d7f9b8b06674ccd7ec
parent 2901ff5e4e69a0581fa3c11adee192fce658b8f0
author Janis Danisevskis <jdanis@google.com> 1553534790 -0700
committer android-build-team Robot <android-build-team-robot@google.com> 1557809930 +0000

Fix keystore wifi concurrency issue.

Keystore was conceptually single threaded. Even with the introduction of
Keymaster workers it was always assumed that the service dispatcher
thread was single threaded. The wifi keystore service, however, calls
into the keystore service concurrently.

This patch adds a lock around all keystore service entry points to make
sure all dispatcher executions are serialised despite being called from
both the binder and hwbinder service thread.

Bug: 128810613
Bug: 129145334
Bug: 128774635
Bug: 130045583
Bug: 131622568
Test: Regressions tested with Keystore CTS test suite.
Merged-In: I8c5602d2c2cb1dd9423df713037e99b247cee71f
Change-Id: I8c5602d2c2cb1dd9423df713037e99b247cee71f
(cherry picked from commit 4ea6d7a447cc9d192277df528b71fed0fbae960c)