Corpus for chdir:

Coverage	Program
3756	prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-syz_mount_image$tmpfs-mknodat-syz_mount_image$tmpfs-flock-mknodat-syz_mount_image$tmpfs-flock-chdir-mknodat
1891	syz_mount_image$ext4-setxattr$system_posix_acl-newfstatat-setresuid-chdir
367	perf_event_open-syz_mount_image$nfs4-chdir
330	syz_mount_image$iso9660-perf_event_open-chdir
329	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_mount_image$nfs4-chdir
301	syz_mount_image$ext4-setxattr$system_posix_acl-newfstatat-setresuid-chdir
214	chdir