Please run the following commands and give me the result. You can save them to a shell script and run.
Code:
whoami
uname -a
md5sum ./tool/x86_64/mkexfatfs
ls -l ./tool/x86_64/mkexfatfs
stat ./tool/x86_64/mkexfatfs
ldd ./tool/x86_64/mkexfatfs
./tool/x86_64/mkexfatfs -V