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Merge "mediacodec: fix sepolicy for video playback/recording" into main

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Ernie Hsu 2024-07-19 06:47:07 +00:00 • committed by Android (Google) Code Review
commit 826a8afe4c
1 changed files with 15 additions and 0 deletions
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mediacodec/vpu/sepolicy/mediacodec_google.te
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@ -3,3 +3,18 @@ type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(mediacodec_google)
hal_server_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;
# 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 *;