Oh its denied via the fact no policy exists to explicitly allow it. The
source is zygote and its sending sigchld to something in init shell domain.

Try using the context number in the first part of the message to see if
other events are related to help debug.
On Feb 14, 2014 5:58 AM, "Tomas" <[email protected]> wrote:

> Hi, I am getting sigchild denials below, that I cannot figure out.
> They only appear when using su access. Eg. when root-explorer or other
> utility list files or processes.
> Not sure if I understand the message correct; who is actually sending the
> sigchld and why is it denied?
>
> I am unable to find logs from other devices showing samme denial. Using
> same BusyBox as many other.
>
> Thanks
> Tomas
>
> { sigchld } for
> pid=5594 comm="sh"
> scontext=u:r:zygote:s0
> tcontext=u:r:init_shell:s0
> tclass=process
>
> # adb shell su 0 ps -Z | grep sh
> u:r:adbd:s0                    shell     177   1     /sbin/adbd
> u:r:shell:s0                   shell     5064  177   /system/bin/sh
> u:r:init_shell:s0              root      5262  5260  sh
> u:r:init_shell:s0              root      5496  5262  sh
> u:r:init_shell:s0              root      5594  5593  sh
>
> -rwxr-xr-x root     shell             u:object_r:shell_exec:s0 mksh
> lrwxrwxrwx root     root              u:object_r:shell_exec:s0 sh -> mksh
>
> ------ BusyBox: ------
> root@android:/ # ps -Z | grep su
> u:r:init:s0                    root      176   1     /system/xbin/su
> u:r:su:s0                      root      5254  5064  su
> u:r:su:s0                      root      5255  5254  su
> u:r:init:s0                    root      5258  1     /system/xbin/su
> u:r:init:s0                    root      5260  5258  /system/xbin/su
> u:r:untrusted_app:s0           u0_a61    5589  1950  /system/bin/su
> u:r:untrusted_app:s0           u0_a61    5590  5589  /system/bin/su
> u:r:init:s0                    root      5592  1     /system/xbin/su
> u:r:init:s0                    root      5593  5592  /system/xbin/su
> u:r:su:s0                      root      6598  6297  su
> u:r:su:s0                      root      6599  6598  su
> u:r:init:s0                    root      6601  1     /system/xbin/su
> u:r:init:s0                    root      6603  6601  /system/xbin/su
>
> # adb shell su 0 ls -Z /system/bin/ | grep su
> lrwxrwxrwx root     root              u:object_r:system_file:s0 su ->
> ../xbin/su
> # adb shell su 0 ls -Z /system/xbin/| grep su
> -rwsr-sr-x root     root              u:object_r:su_exec:s0 su
>
>
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