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[Bug libfortran/81984] NULL string pointer dereferencing forces undefined behaviour in libgfortran
- From: "zeccav at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 Aug 2017 15:33:07 +0000
- Subject: [Bug libfortran/81984] NULL string pointer dereferencing forces undefined behaviour in libgfortran
- Auto-submitted: auto-generated
- References: <bug-81984-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81984
--- Comment #4 from Vittorio Zecca <zeccav at gmail dot com> ---
There is no core dump because by default the ubsan sanitizer does not abort.
But I am pretty sure len1==0 at that point.