20 char mask-integer overflow

[nachorov027]

Oh since you're using hashcat64.exe, is that still version 5? Version 6.2.4 is just plain hashcat.exe You might want to upgrade...

See how far you can push it until it errors out.
?1?1?1?1?1?1?1?1?1?1aaaaaaaa00
?1?1?1?1?1?1?1?1?1?1?1aaaaaaa00
?1?1?1?1?1?1?1?1?1?1?1?1aaaaaa00

I try it, with 5 fixed values it work also -1 "?l " to reduce the combinations