https://bugs.winehq.org/show_bug.cgi?id=32550
--- Comment #6 from Michael Müller michael@fds-team.de --- (In reply to Piotr Caban from comment #5)
(In reply to Michael Müller from comment #3)
https://github.com/wine-compholio/wine-staging/blob/master/patches/msvcrt- atof_strtod/0001-msvcrt-Avoid-crash-when-NULL-pointer-is-passed-to-at.patch
How about sending it to wine?
The patch is not completely correct. The tests only check the behavior for the msvcrt.dll but the patch modifies the code for all msvcrt* versions. They behave differently depending on the version. I will update the patch when I have time.