Corpus for write$P9_RATTACH:

Coverage	Program
489	open-pipe-fcntl$setstatus-fork-lstat-mknod-setresuid-fcntl$setownex-write$P9_RATTACH-openat
370	open-pipe-fcntl$setstatus-fork-lstat-setresuid-fcntl$setownex-write$P9_RATTACH
369	pipe-fcntl$setstatus-write$P9_RATTACH
69	openat$sysfs-write$P9_RATTACH