I've attached a valid STATA file to this PR that crashes on both extract_metadata and WizardMac. Unfortunately, I cannot really give you more information, as the error is rather opaque.

extract_metadata output

Tested with both 1.1.4 and 1.1.5.

parsing dta file
pass 1 done
parsing dta file
extracting value labels for IDNUM
extracting value labels for PARTICIP
src/bin/extract_metadata.c:59 not a number: d

WizardMac error

Test files

files.zip

Note that this file has been converted to SPSS and it works.