DF-5686 FIX VALIDATION (patched kernel #1 with prop_object_release(ctx.cdevs))
$ /tmp/udev_getdevs_leak /dev/udev 500
did 500 UDEVPROP getdevs ioctls on /dev/udev
==before==            ==after 500==
proparay       2  384B   |  proparay       2  384B
prop_array     0     0B   |  prop_array     0     0B
FLAT — leak eliminated.