tequilaOS/platform_system_sepolicy
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Fix more long-tail denials.

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The denials related to init_tmpfs are of the form:

denied  { read } for  pid=12315 comm=""dboxed_process0"" path=2F6465762F6173686D656D2F64616C76696B2D68656170202864656C6574656429 dev=""tmpfs"" ino=9464 scontext=u:r:isolated_app:s0 tcontext=u:object_r:init_tmpfs:s0 tclass=file

(the path above is "/dev/ashmem/dalvik-heap (deleted)")

The denials related to executing things from the dalvik cache are of the form:

enied  { execute } for  pid=3565 comm=""dboxed_process0"" path=""/data/dalvik-cache/system@app@Chrome.apk@classes.dex"" dev=""mmcblk0p28"" ino=105983 scontext=u:r:isolated_app:s0 tcontext=u:object_r:dalvikcache_data_file:s0 tclass=file

The denials related to isolated_app and the init socket are:

denied  { getattr } for  pid=3824 comm=""Binder_2"" path=""socket:[14059]"" dev=""sockfs"" ino=14059 scontext=u:r:isolated_app:s0 tcontext=u:r:init:s0 tclass=unix_stream_socket

The getopt denials for the aforementioned socket are:

denied  { getopt } for  pid=3824 comm=""Binder_2"" path=""/dev/socket/dumpstate"" scontext=u:r:isolated_app:s0 tcontext=u:r:init:s0 tclass=unix_stream_socket

Change-Id: I3c57702e2af5a779a7618da9aa40930e7f12ee49
This commit is contained in:
Geremy Condra 2013-09-05 15:36:30 -07:00
parent d615ef3477
commit 217f8afc18
3 changed files with 12 additions and 0 deletions
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6
isolated_app.te
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@ -21,3 +21,9 @@ r_dir_file(appdomain, isolated_app)
# Chrome works, may need to be updated as more apps using isolated services
# are examined.
allow isolated_app appdomain:unix_stream_socket { read write };
allow isolated_app dalvikcache_data_file:file execute;
allow isolated_app apk_data_file:dir getattr;
allow isolated_app init:unix_stream_socket { read write getattr getopt };
allow isolated_app init_tmpfs:file read;

1
kernel.te
View file

@ -6,3 +6,4 @@ unconfined_domain(kernel)
relabelto_domain(kernel)
allow kernel {fs_type dev_type file_type}:dir_file_class_set relabelto;
allow kernel unlabeled:filesystem mount;

5
system.te
View file

@ -14,5 +14,10 @@ allow system self:zygote { specifyids specifyrlimits specifyseinfo };
allow system backup_data_file:dir relabelto;
allow system cache_backup_file:dir relabelto;
allow system anr_data_file:dir relabelto;
allow system system_data_file:dir relabelto;
allow system apk_data_file:file relabelto;
allow system apk_tmp_file:file relabelto;
allow system cache_backup_file:file relabelto;
allow system apk_private_tmp_file:file relabelto;
allow system wallpaper_file:file relabelto;