Is the 'p' rule working in 0.38?
The rules.txt file for hashcat has:
#define RULE_OP_MANGLE_DUPEWORD_TIMES 'p' // append word to itself N times

But in hashcat-cli64.exe v 0.38, it doesn't seem to work.
(I haven't found it to work in prior versions, either, but it a-g found rule, it was used, but didn't seem to actually do what 'p' should do.)

(Also, I noticed that 'yN' and 'YN' rules in changes.txt are shown in rules.txt as "not implemented".)