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[Bug libstdc++/81395] [5/6/7/8 Regression] basic_filebuf::overflow recurses and overflows stack
- From: "paolo.carlini at oracle dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 11 Jul 2017 23:25:42 +0000
- Subject: [Bug libstdc++/81395] [5/6/7/8 Regression] basic_filebuf::overflow recurses and overflows stack
- Auto-submitted: auto-generated
- References: <bug-81395-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81395
--- Comment #10 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Yes, I agree with your analysis, something seems wrong. I suspsect going to a
normal uncommitted mode, thus not setting _M_reading would largely work, but I
fear performance implications, etc. I would strongly recommend analyzing next
what can wrong if _M_reading remains false after that (a) reading operation...