これだからSanDiskは…
$ sudo mount /dev/sda1 /mnt/dst
$ ls -l /mnt/dst
total 1792
-rwxr-xr-x 1 root root 552605 Sep 22 2021 'Install SanDisk Software.dmg'
-rwxr-xr-x 1 root root 707152 Sep 22 2021 'Install SanDisk Software.exe'
-rwxr-xr-x 1 root root 300509 Sep 22 2021 'SanDisk Software.pdf'