95845654bf
For dumping output buffer of HDR to SDR fliter.
This patch fixes the following denial:
05-10 21:42:49.427 890 890 W HwBinder:890_4: type=1400 audit(0.0:2944): avc: denied { search } for name="data" dev="dm-41" ino=105 scontext=u:r:mediacodec_samsung:s0 tcontext=u:object_r:system_data_file:s0:c512,c768 tclass=dir permissive=0
05-10 21:42:49.499 890 890 W HwBinder:890_4: type=1400 audit(0.0:2946): avc: denied { getattr } for name="/" dev="dmabuf" ino=1 scontext=u:r:mediacodec_samsung:s0 tcontext=u:object_r:unlabeled:s0 tclass=filesystem permissive=0
05-10 21:46:27.735 885 885 W google.hardware: type=1400 audit(0.0:3198): avc: denied { search } for name="data" dev="dm-41" ino=105 scontext=u:r:mediacodec_google:s0 tcontext=u:object_r:system_data_file:s0:c512,c768 tclass=dir permissive=0
05-10 21:46:27.795 885 885 W google.hardware: type=1400 audit(0.0:3200): avc: denied { getattr } for name="/" dev="dmabuf" ino=1 scontext=u:r:mediacodec_google:s0 tcontext=u:object_r:unlabeled:s0 tclass=filesystem permissive=0
Bug: 229360116
Test: atest android.media.decoder.cts.DecoderTest
Change-Id: I11403b20e8608f50907db561b8232b1b64bea298
36 lines
1.5 KiB
Text
36 lines
1.5 KiB
Text
type mediacodec_google, domain;
|
|
type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
|
|
|
|
init_daemon_domain(mediacodec_google)
|
|
|
|
# can route /dev/binder traffic to /dev/vndbinder
|
|
vndbinder_use(mediacodec_google)
|
|
|
|
hal_server_domain(mediacodec_google, hal_codec2)
|
|
|
|
# mediacodec_google may use an input surface from a different Codec2 service
|
|
hal_client_domain(mediacodec_google, hal_codec2)
|
|
|
|
hal_client_domain(mediacodec_google, hal_graphics_allocator)
|
|
|
|
allow mediacodec_google dmabuf_system_heap_device:chr_file r_file_perms;
|
|
allow mediacodec_google dmabuf_system_secure_heap_device:chr_file r_file_perms;
|
|
allow mediacodec_google video_device:chr_file rw_file_perms;
|
|
allow mediacodec_google gpu_device:chr_file rw_file_perms;
|
|
|
|
crash_dump_fallback(mediacodec_google)
|
|
|
|
# mediacodec_google should never execute any executable without a domain transition
|
|
neverallow mediacodec_google { file_type fs_type }:file execute_no_trans;
|
|
|
|
# Media processing code is inherently risky and thus should have limited
|
|
# permissions and be isolated from the rest of the system and network.
|
|
# Lengthier explanation here:
|
|
# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
|
|
neverallow mediacodec_google domain:{ udp_socket rawip_socket } *;
|
|
neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_socket *;
|
|
|
|
userdebug_or_eng(`
|
|
allow mediacodec_google vendor_media_data_file:dir rw_dir_perms;
|
|
allow mediacodec_google vendor_media_data_file:file create_file_perms;
|
|
')
|