[Issue 18084] New: tempCString buffer size is versioned

d-bugmail at puremagic.com d-bugmail at puremagic.com
Fri Dec 15 15:04:34 UTC 2017


https://issues.dlang.org/show_bug.cgi?id=18084

          Issue ID: 18084
           Summary: tempCString buffer size is versioned
           Product: D
           Version: D2
          Hardware: All
               URL: https://forum.dlang.org/post/guyhpasgjqvdcngawkvv@foru
                    m.dlang.org
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: dfj1esp02 at sneakemail.com

tempCString code is suspicious:
https://github.com/dlang/phobos/blob/master/std/internal/cstring.d#L221
If unittest-versioned function calls release-versioned tempCString, it will
corrupt the stack, which depends on template emission strategy.

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