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tama-common: sepolicy: dontaudit untrusted_app to open ashmem_device

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- Fixes scroll lag in many apps, such as Twitter:
    W RenderThread: type=1400 audit(0.0:12371): avc: denied { open } for path=/dev/ashmem dev=tmpfs ino=10848 scontext=u:r:untrusted_app:s0:c123,c256,c512,c768 tcontext=u:object_r:ashmem_device:s0 tclass=chr_file permissive=0 app=com.twitter.android

- Apps are no longer allowed open access to /dev/ashmem, unless they
  target API level < Q.

- https://android.googlesource.com/platform/system/sepolicy/+/8b12ff5f218139102d8eec90c91b114078be4402

Signed-off-by: Sorayukii <sorayukii69@gmail.com>
This commit is contained in:
Bruno Martins 2022-12-16 19:47:09 +05:30 • committed by aoitsme
commit 68308bc3b8
1 changed files with 4 additions and 0 deletions
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4
sepolicy/vendor/dontaudit.te vendored
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@ -6,3 +6,7 @@ dontaudit {
bt_firmware_file
firmware_file
}:filesystem getattr;
# Apps are no longer allowed open access to /dev/ashmem, unless they
# target API level < Q.
dontaudit untrusted_app ashmem_device:chr_file open;