tree 26f49f8c279f680d080eaf5a3634473238052a16
parent 40a76662aebde227e98509c6f6143950089c10f3
author Yurii Zubrytskyi <zyy@google.com> 1634621595 -0700
committer Yurii Zubrytskyi <zyy@google.com> 1635877239 -0700

[vold] Check incremental paths before mounting

Vold was trusting system_server too much and allowed for pretty
much any path in mount()/bindMount() calls for incremental.
This CL adds validation to make sure it's only accessing own
directories. This includes enforcing no symlinks in the paths

Ignore-AOSP-First: security fix
Bug: 198657657
Test: manual
Change-Id: I6035447f94ef44c4ae3294c3ae47de2d7210683a