commit 4b4d34612b5e93cfa3a232fb3d30a1c17be06343
author Tri Vo <trong@google.com> Sat Apr 13 16:55:41 2019 -0700
committer Alistair Strachan <astrachan@google.com> Mon Apr 15 19:59:50 2019 +0000
tree ebf35f2146a73d2c4331f72895bb2900c15ebf4d
parent d7a7435fde5f48ebd9e41d585c381ecbee0d5a25

Label device-specific sysfs net nodes

avc: denied { write } for name="mtu" dev="sysfs" ino=10779
scontext=u:r:netd:s0 tcontext=u:object_r:sysfs:s0 tclass=file
permissive=0

netd hits this denial by following this symlink
qemu: /sys/class/net/rmnet0 -> /sys/devices/pci0000:00/0000:00:0a.0/virtio8/net/rmnet0
crosvm: /sys/class/net/rmnet0 -> /sys/devices/pci0000:00/0000:00:0c.0/virtio11/net/rmnet0

Bug: 129497117
Test: boot cuttlefish without above denial
Change-Id: I08508b22c4e6e3bf86f2c22b1187a3a6d40c89b5