de7244cf23
dexoptanalyzer need read access on the secondary
dex files and of the main apk files in order to successfully evaluate
and optimize them.
Example of denial:
audit(0.0:30): avc: denied { read } for
path="/data/app/~~Zux_isdY0NBkRWPp01oAVg==/com.example.secondaryrepro-wH9zezMSCzIjcKdIMtrw7A==/base.apk"
dev="vdc" ino=40966 scontext=u:r:dexoptanalyzer:s0
tcontext=u:object_r:apk_data_file:s0 tclass=file permissive=0
app=com.example.secondaryrepro
Test: adb shell cmd package compile -r bg-dexopt --secondary-dex app
Bug: 160471235
Bug: 160351055
Change-Id: Id0bda5237d3ce1620d4f6ee89595836b4e1f3abf
39 lines
1.8 KiB
Text
39 lines
1.8 KiB
Text
# dexoptanalyzer
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type dexoptanalyzer, domain, coredomain, mlstrustedsubject;
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type dexoptanalyzer_exec, system_file_type, exec_type, file_type;
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type dexoptanalyzer_tmpfs, file_type;
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r_dir_file(dexoptanalyzer, apk_data_file)
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# Access to /vendor/app
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r_dir_file(dexoptanalyzer, vendor_app_file)
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# Reading an APK opens a ZipArchive, which unpack to tmpfs.
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# Use tmpfs_domain() which will give tmpfs files created by dexoptanalyzer their
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# own label, which differs from other labels created by other processes.
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# This allows to distinguish in policy files created by dexoptanalyzer vs other
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#processes.
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tmpfs_domain(dexoptanalyzer)
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# Read symlinks in /data/dalvik-cache. This is required for PIC mode boot
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# app_data_file the oat file is symlinked to the original file in /system.
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allow dexoptanalyzer dalvikcache_data_file:dir { getattr search };
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allow dexoptanalyzer dalvikcache_data_file:file r_file_perms;
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allow dexoptanalyzer dalvikcache_data_file:lnk_file read;
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allow dexoptanalyzer installd:fd use;
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allow dexoptanalyzer installd:fifo_file { getattr write };
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# Acquire advisory lock on /system/framework/arm/*
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allow dexoptanalyzer system_file:file lock;
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# Allow reading secondary dex files that were reported by the app to the
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# package manager.
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allow dexoptanalyzer { privapp_data_file app_data_file }:dir { getattr search };
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allow dexoptanalyzer { privapp_data_file app_data_file }:file { getattr read map };
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# dexoptanalyzer calls access(2) with W_OK flag on app data. We can use the
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# "dontaudit...audit_access" policy line to suppress the audit access without
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# suppressing denial on actual access.
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dontaudit dexoptanalyzer { privapp_data_file app_data_file }:dir audit_access;
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# Allow testing /data/user/0 which symlinks to /data/data
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allow dexoptanalyzer system_data_file:lnk_file { getattr };
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