Corpus for process_vm_writev:

Coverage	Program
659	fork-process_vm_writev
557	getpgid-process_vm_writev
361	gettid-process_vm_writev
179	openat$snapshot-pipe-read-process_vm_writev-getpgrp-stat-setreuid-fork-process_vm_writev
179	openat$snapshot-pipe-stat-setreuid-fork-process_vm_writev
90	process_vm_writev
33	process_vm_writev