Corpus for openat$ptmx:
Coverage Program
3008 sendmsg$DEVLINK_CMD_SB_POOL_SET-perf_event_open-openat$ptmx-syz_open_dev$sg-dup2-write$binfmt_aout
1805 openat$procfs-openat$ptmx-close_range-pselect6
1734 perf_event_open-openat$ptmx-ioctl$TIOCGPTLCK
1601 openat$ptmx
169 geteuid-perf_event_open-prlimit64-epoll_create-openat$ptmx