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Update SELinux policy to allow camera HAL to send Perfetto trace packets

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Example denials:

03-04 04:25:37.524   823   823 I TracingMuxer: type=1400 audit(0.0:31): avc: denied { use } for path=2F6D656D66643A706572666574746F5F73686D656D202864656C6574656429 dev="tmpfs" ino=20229 scontext=u:r:hal_camera_default:s0 tcontext=u:r:tr
aced:s0 tclass=fd permissive=1
03-04 04:25:37.524   823   823 I TracingMuxer: type=1400 audit(0.0:32): avc: denied { read write } for path=2F6D656D66643A706572666574746F5F73686D656D202864656C6574656429 dev="tmpfs" ino=20229 scontext=u:r:hal_camera_default:s0 tcontext
=u:object_r:traced_tmpfs:s0 tclass=file permissive=1
03-04 04:25:37.524   823   823 I TracingMuxer: type=1400 audit(0.0:33): avc: denied { getattr } for path=2F6D656D66643A706572666574746F5F73686D656D202864656C6574656429 dev="tmpfs" ino=20229 scontext=u:r:hal_camera_default:s0 tcontext=u:
object_r:traced_tmpfs:s0 tclass=file permissive=1
03-04 04:25:37.524   823   823 I TracingMuxer: type=1400 audit(0.0:34): avc: denied { map } for path=2F6D656D66643A706572666574746F5F73686D656D202864656C6574656429 dev="tmpfs" ino=20229 scontext=u:r:hal_camera_default:s0 tcontext=u:object_r:traced_tmpfs:s0 tclass=file permissive=1

Bug: 222684359
Test: Build and push new SELinux policy. Verify that trace packets are received by Perfetto.
Change-Id: I443e84c5bcc701c1c983db19280719655ff02080
This commit is contained in:
Michael Eastwood
2022-03-04 08:12:06 -08:00
committed by TreeHugger Robot
parent db1196932e
commit 07bf62c387
1 changed files with 4 additions and 1 deletions
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5
whitechapel_pro/hal_camera_default.te
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@@ -85,6 +85,9 @@ allow hal_camera_default apex_info_file:file r_file_perms;
# Allow camera HAL to query current device clock frequencies.
allow hal_camera_default sysfs_devfreq_cur:file r_file_perms;
# allow camera HAL to read backlight of display
# Allow camera HAL to read backlight of display
allow hal_camera_default sysfs_leds:dir r_dir_perms;
allow hal_camera_default sysfs_leds:file r_file_perms;
# Allow camera HAL to send trace packets to Perfetto
userdebug_or_eng(`perfetto_producer(hal_camera_default)')