android adb audit avc denied
SELinux関係みたいだ。
08-10 10:39:05.960: W/adb(18810): type=1400 audit(0.0:256479): avc: denied { read } for name="usb" dev="tmpfs" ino=6306 scontext=u:r:shell:s0 tcontext=u:object_r:usb_device:s0 tclass=dir permissive=0https://source.android.com/devices/tech/security/selinux/validate.html
