I am not sure, is it feature of defect, more looks like as a defect to me.
The errsize reported as 9223 PB on 160Gb drive. The ipos and opos looks also strange.
Rescued drive connected thru SATA-USB adapter and reported in Computer Management as 149.05 GB with single GPT Protective partition on it.
$ ddrescue /dev/sdc /cygdrive/m/macbookpro_kate.img.ddrescue logfile
Press Ctrl-C to interrupt
Initial status (read from logfile)
rescued: 101475 MB, errsize: 9223 PB, errors: 2
Current status
rescued: 101475 MB, errsize: 9223 PB, current rate: 0 B/s
ipos: 2296 GB, errors: 2, average rate: 0 B/s
opos: 2296 GB, time from last successful read: 19.6 m
Splitting failed blocks...
Interrupted by user