sepolicy_neverallows_vendor causes emulator build failure

[Mohammad Tauqir Ansari]

Hello all, 

I am new to AOSP devlopment. 

I am trying to build source code following guidelines here.

https://source.android.com/docs/setup/download/downloading
https://source.android.com/docs/setup/build/building

I am getting below error. Not sure what is wrong. I am not able to fix this. Tried m -j8 several times along with m clean however the error won't go away.

Please suggest what is wrong here. Thanks in advance.

Config:

============================================
PLATFORM_VERSION_CODENAME=UpsideDownCake
PLATFORM_VERSION=UpsideDownCake
TARGET_PRODUCT=aosp_car_x86_64
TARGET_BUILD_VARIANT=userdebug
TARGET_ARCH=x86_64
TARGET_ARCH_VARIANT=x86_64
TARGET_2ND_ARCH=x86
TARGET_2ND_ARCH_VARIANT=x86_64
HOST_OS=linux
HOST_OS_EXTRA=Linux-5.19.0-38-generic-x86_64-Ubuntu-22.04.2-LTS
HOST_CROSS_OS=windows
BUILD_ID=AOSP.MASTER
OUT_DIR=out
============================================

Error:

[ 49% 78147/156849] //system/sepolicy:sepolicy_neverallows_vendor Neverallow check: sepolicy_neverallows_vendor
FAILED: out/soong/.intermediates/system/sepolicy/sepolicy_neverallows_vendor/policy
out/host/linux-x86/bin/checkpolicy -M -c 30 -o out/soong/.intermediates/system/sepolicy/sepolicy_neverallows_vendor/policy out/soong/.intermediates/system/sepolic
y/sepolicy_neverallows_vendor.checkpolicy.conf/android_common/sepolicy_neverallows_vendor.checkpolicy.conf # hash of input list: 15871fa7f1904c26cfc726ea362c19ede
7f225bff09f1871b1f7d5657882753a
device/generic/car/emulator/usbpt/bluetooth/btusb/sepolicy/domain.te:2:ERROR 'unknown type qemu_device' at token ';' on line 83857:
#line 1 "device/generic/car/emulator/usbpt/bluetooth/btusb/sepolicy/domain.te"
allow domain qemu_device:chr_file { { getattr open read ioctl lock map watch watch_reads } { open append write lock map } };
checkpolicy:  error(s) encountered while parsing configuration
01:19:55 ninja failed with: exit status 1

[Mohammad Hossein Heydarchi]

Hi Mohammad,

Do you get the same error for the others variants?

Are you sure the repo sync was successful?

[Michael Swartout]

It doesn't hurt to repo sync.

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[Mohammad Tauqir Ansari]

@Michael and @Mohammad Hossein

The code build successfully for - aosp_cf_x86_64_phone. For car do I need to checkout of different branch?
fyi - I did repo sync.

[Mohammad Hossein Heydarchi]

Hi Mohammad,

No, you don't need to checkout any branch. You only need to select the variant.

 What works for me is:

aosp_car_x86_64-userdebug

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Best Regards
Mohamad Hosein Heydarchi