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Allow Exoplayer access to the vstream-secure heap for secure playback

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Fixes the following denials:

avc: denied { read } for name="name" dev="sysfs" ino=63727 \
scontext=u:r:mediacodec:s0 tcontext=u:object_r:sysfs:s0 tclass=file \
permissive=0

avc: denied { read } for name="name" dev="sysfs" ino=63743 \
scontext=u:r:mediacodec:s0 tcontext=u:object_r:sysfs:s0 tclass=file \
permissive=0

avc: denied { read } for name="name" dev="sysfs" ino=64010 \
scontext=u:r:mediacodec:s0 tcontext=u:object_r:sysfs:s0 tclass=file \
permissive=0

Bug: 182525521
Test: no more denials and able to play video via ExoPlayer App
Change-Id: I21033bc78858fd407c16d2cd2df4549f97273221
This commit is contained in:
Charlie Chen 2021-03-25 14:02:43 +08:00
parent 90ed4cc72e
commit 7c92613185
2 changed files with 3 additions and 4 deletions
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4
whitechapel/vendor/google/file_contexts vendored
View file

@ -420,10 +420,6 @@
/dev/dma_heap/vstream-secure u:object_r:dmabuf_system_secure_heap_device:s0
# Video sysfs files
/sys/devices/platform/mfc/video4linux/video6/name u:object_r:sysfs_video:s0
/sys/devices/platform/mfc/video4linux/video7/name u:object_r:sysfs_video:s0
# BigOcean
/dev/bigocean u:object_r:video_device:s0

3
whitechapel/vendor/google/genfs_contexts vendored
View file

@ -243,3 +243,6 @@ genfscon sysfs /devices/platform/bigocean/sscoredump/sscd_bigocean/report_count
genfscon sysfs /devices/platform/debugcore/sscoredump/sscd_debugcore/report_count u:object_r:sysfs_sscoredump_subsystem_report_count:s0
genfscon sysfs /devices/platform/mfc-core/sscoredump/sscd_mfc-core/report_count u:object_r:sysfs_sscoredump_subsystem_report_count:s0
genfscon sysfs /devices/platform/wlan/sscoredump/sscd_wlan/report_count u:object_r:sysfs_sscoredump_subsystem_report_count:s0
# mediacodec
genfscon sysfs /devices/platform/mfc/video4linux/video u:object_r:sysfs_video:s0