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Prevent writing to FRP partition during factory reset.
authorCharles He <qiurui@google.com>
Thu, 24 Nov 2016 14:05:00 +0000 (14:05 +0000)
committerCharles He <qiurui@google.com>
Thu, 1 Dec 2016 09:30:45 +0000 (09:30 +0000)
commita629c772f4a7a5ddf7ff9f78fb19f7ab86c2a9c2
tree4a74d78282b5663b00acd0c83141f9cfc5b39df1
parent9276b0adfbe1948af67443ce60a49b25cb0f2bfb
Prevent writing to FRP partition during factory reset.

Avoid potential race condition between FRP wipe and write operations
during factory reset by making the FRP partition unwritable after
wipe.

Bug: 30352311
Test: manual
Change-Id: If3f024a1611366c0677a996705724458094fcfad
core/java/android/service/persistentdata/PersistentDataBlockManager.java
services/core/java/com/android/server/PersistentDataBlockService.java