[Bug 42731] New: stack overflow when .bat script variable has more than 256 characters

https://bugs.winehq.org/show_bug.cgi?id=42731

Bug ID: 42731
           Summary: stack overflow when .bat script variable has more than
                    256 characters
           Product: Wine
           Version: 2.3
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 57723
  --> https://bugs.winehq.org/attachment.cgi?id=57723
bug demo

When a variable with more than (roughly) 256 characters in a .bat script is
passed as a parameter, the script fails with the following error:

err:seh:setup_exception_record stack overflow 1408 bytes in thread 0009 eip
7bc4887d esp 00240db0 stack 0x240000-0x241000-0x340000

attached .bat file that demonstrates the bug