d35b61f390
08-28 16:33:56.280 1046 720 720 I auditd : type=1400 audit(0.0:469): avc: denied { write } for comm="TracingMuxer" name="traced_producer" dev="tmpfs" ino=1604 scontext=u:r:mediacodec_google:s0 tcontext=u:object_r:traced_producer_socket:s0 tclass=sock_file permissive=0
Flag: EXEMPT bugfix
Test: atest-dev com.google.android.selinux.pts.SELinuxTest#scanAvcDeniedLogRightAfterReboot
Bug: 361093311
Change-Id: I0aad9d771069cd0d660708e41c29c79d83e04704
31 lines
1.2 KiB
Text
31 lines
1.2 KiB
Text
type mediacodec_google, domain;
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type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
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init_daemon_domain(mediacodec_google)
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hal_server_domain(mediacodec_google, hal_codec2)
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hal_client_domain(mediacodec_google, hal_graphics_allocator)
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add_service(mediacodec_google, eco_service)
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allow mediacodec_google dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediacodec_google video_device:chr_file { read write open ioctl map };
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# mediacodec_google should never execute any executable without a domain transition
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neverallow mediacodec_google { file_type fs_type }:file execute_no_trans;
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# Media processing code is inherently risky and thus should have limited
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# permissions and be isolated from the rest of the system and network.
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# Lengthier explanation here:
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# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
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neverallow mediacodec_google domain:{ udp_socket rawip_socket } *;
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neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_socket *;
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# Allow HAL to send trace packets to Perfetto
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userdebug_or_eng(`perfetto_producer(mediacodec_google)')
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userdebug_or_eng(`
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allow mediacodec_google vendor_media_data_file:dir rw_dir_perms;
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allow mediacodec_google vendor_media_data_file:file create_file_perms;
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')
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