Talking LG G2 GPS BUG?! (still working in backgound

Hi Guys,
I used my phone all day and in the evening i checked the battery stat and I found this (picture attached).
And the GPS was still counting/working. I restarted my phone and it is gone. I dont know what caused this problem but the location services was disabled when i checked the battery stat (and when it was counting). I would like to know what caused it.
Phone: LG G2 D802 16GB
Rom: OptimusG3 V1.2
Kernel: Brucekernel 0.41
Carrier: VodafoneHU
Thank You for Your Help!
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