Corpus for ioctl$BLKPG:

Coverage	Program
177	syz_open_dev$loop-ioctl$BLKPG
173	openat$sr-ioctl$BLKPG
172	syz_open_dev$loop-ioctl$BLKPG
132	syz_open_dev$loop-stat-setresuid-ioctl$BLKPG