Corpus for syz_open_procfs$userns:

Coverage	Program
5182	openat-mmap$IORING_OFF_SQ_RING-creat-ioctl$sock_SIOCGIFINDEX-bind$packet-perf_event_open-ioctl$PERF_EVENT_IOC_SET_OUTPUT-syz_io_uring_submit-write$binfmt_elf64-syz_io_uring_complete-perf_event_open-sendmsg$FOU_CMD_GET-ioctl$EXT4_IOC_SWAP_BOOT-syz_open_procfs$userns-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-ioctl$BTRFS_IOC_INO_LOOKUP_USER-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF-ioctl$BTRFS_IOC_TREE_SEARCH_V2
1873	syz_open_procfs$userns-ioctl$NS_GET_OWNER_UID
1717	syz_open_procfs$userns
1372	syz_open_procfs$userns
1314	getpgrp-syz_open_procfs$userns
1313	getpgid-syz_open_procfs$userns