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[Bug sanitizer/81021] stack-use-after-scope false positive error with exceptions
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 11 Jul 2017 12:54:07 +0000
- Subject: [Bug sanitizer/81021] stack-use-after-scope false positive error with exceptions
- Auto-submitted: auto-generated
- References: <bug-81021-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81021
--- Comment #21 from Martin Liška <marxin at gcc dot gnu.org> ---
> The code uses user-level threads (makecontext/setcontext etc). It annotates
> the new stack during the switch, see for example
> https://github.com/scylladb/seastar/blob/master/core/thread.cc#L66.
> Supposedly it's correct, but perhaps something is missing.
Then it should be fine. Well, the patch you send just workaround the problem. I
will dig in.