/usr/share/man/man1/mips64el-linux-gnuabi64-size.1.gz is in binutils-mips64el-linux-gnuabi64 2.26-8ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/size.1.gz
/usr/share/man/man1/size.1.gz