Corpus for pipe2$9p:

Coverage	Program
898	pipe2$9p
863	pipe2$9p
795	pipe2$9p
782	pipe2$9p-openat$tun-bind$802154_raw
751	pipe2$9p
691	perf_event_open-openat$dir-setrlimit-pipe2$9p
666	sendmsg$NL80211_CMD_DEL_INTERFACE-ioctl$RNDADDENTROPY-accept4-io_setup-pipe2$9p-setxattr$security_capability
418	write$P9_RGETLOCK-pipe2$9p
399	pipe2$9p
376	pipe2$9p
367	pipe2$9p
356	write$P9_RSTATFS-pipe2$9p
324	pipe2$9p
301	openat$urandom-pipe2$9p
9	pipe2$9p