Dear Nick Kralevich

Thank you for your nice advice !!
I will apply those commit and test it again.

Thank you
Best regards


2014-04-13 23:15 GMT+09:00 Nick Kralevich <[email protected]>:

>
> Dave Platt committed the zygote socket changes. They are available by
> looking at his commit history:
>
> https://android-review.googlesource.com/#/q/owner:%22Dave+Platt%22
>
> Applying those patches should be sufficient to resolve this problem.
>
>
>
> On Sat, Apr 12, 2014 at 10:19 PM, Jaejyn Shin <[email protected]>wrote:
>
>> Dear SEAndroid developer
>>
>> I found the below denial logs in my device
>>
>> 01-01 01:41:08.270 E/auditd ( 2997): auditd: type=1400
>> msg=audit(1388540468.270:6): avc: denied { getopt } for pid=3489 comm=
>> "zygote" path="/dev/socket/zygote" scontext=u:r:untrusted_app:s0
>> tcontext=u:r:zygote:s0 tclass=unix_stream_socket
>> 01-01 01:41:16.490 E/auditd ( 2997): auditd: type=1400
>> msg=audit(1388540476.490:8): avc: denied { getattr } for pid=4519 comm=
>> "zygote" path="socket:[10409]" dev="sockfs" ino=10409
>> scontext=u:r:untrusted_app:s0 tcontext=u:r:zygote:s0
>>
>> This logs are shown many times from the lots of different applications.
>>
>> During analyzing this denial, I found a aosp commit
>>
>> https://android-review.googlesource.com/#/c/81300/
>>
>> # Needed to close the zygote socket, which involves getopt / getattr
>> # This should be deleted after b/12061011 is fixed
>> allow appdomain zygote:unix_stream_socket { getopt getattr };
>>
>> According the the comment of the commit, I understood that the allow rule
>> was removed after modifying zygote source (b/12061011 is fixed).
>>
>> I also don't want write the allow rule, but I want to modify my zygote
>> source.
>>
>> Is there anybody who know how to modify the zygote source ?
>>
>> Thank you
>> Best regards
>>
>
>
>
> --
> Nick Kralevich | Android Security | [email protected] | 650.214.4037
>

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