tree 9d367be630c1eebb27be99c4b9a01fdc6f55c7fd
parent 313e8556a6fe5b23f4cc0e83fbdc2b0933f5d65c
author Yurii Zubrytskyi <zyy@google.com> 1634621595 -0700
committer Alex Buynytskyy <alexbuy@google.com> 1643667194 +0000

[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

Bug: 198657657
Bug: 216722132
Test: manual
Change-Id: I6035447f94ef44c4ae3294c3ae47de2d7210683a
Merged-In: I6035447f94ef44c4ae3294c3ae47de2d7210683a