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Allow tachyon service to make binder calls to GCA

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This permission is needed for tachyon service to call callbacks.

AVC Error seen when tachyon tries accessing GCA:
12-02 11:40:03.212  6987  6987 W com.google.edge: type=1400 audit(0.0:17): avc:  denied  { call } for  scontext=u:r:edgetpu_tachyon_server:s0 tcontext=u:r:google_camera_app:s0:c145,c256,c512,c768 tclass=binder permissive=0
12-03 07:12:26.424  4166  4166 W com.google.edge: type=1400 audit(0.0:254): avc:  denied  { call } for  scontext=u:r:edgetpu_tachyon_server:s0 tcontext=u:r:debug_camera_app:s0:c67,c257,c512,c768 tclass=binder permissive=0

Bug: 381787911
Flag: EXEMPT updates device sepolicy only
Change-Id: I5544fbc11cea0d98dfdeffd9d2871fc037d87c61
This commit is contained in:
Dinesh Yadav
2024-12-06 03:53:02 +00:00
parent e547b08ebd
commit 1b7a5a0078
2 changed files with 7 additions and 0 deletions
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4
vendor/debug_camera_app.te vendored
View File

@@ -1,3 +1,4 @@
# File containing sepolicies for GCA-Eng & GCA-Next.
userdebug_or_eng(`
# Allows GCA-Eng & GCA-Next access the GXP device and properties.
allow debug_camera_app gxp_device:chr_file rw_file_perms;
@@ -9,4 +10,7 @@ userdebug_or_eng(`
# Allows GCA_Eng & GCA-Next to access the hw_jpeg /dev/video12.
allow debug_camera_app hw_jpg_device:chr_file rw_file_perms;
# Allow tachyon_service to communicate with GCA-Eng via binder.
binder_call(edgetpu_tachyon_server, debug_camera_app);
')

3
vendor/google_camera_app.te vendored
View File

@@ -8,3 +8,6 @@ allow google_camera_app edgetpu_device:chr_file { getattr read write ioctl map }
# Allows GCA to access the hw_jpeg /dev/video12.
allow google_camera_app hw_jpg_device:chr_file rw_file_perms;
# Allow tachyon service to communicate with google_camera_app via binder.
binder_call(edgetpu_tachyon_server, google_camera_app);