[Bug libfortran/126610] A correct list-directed READ of a NaN(...) value overflows libgfortran's fixed 300-byte scratch buffer, because the runtime alone chooses and mis-manages the buffer size

"kargl at gcc dot gnu.org via Gcc-bugs" <[email protected]> Mon, 03 Aug 2026 14:42:09 +0000
Newsgroups gmane.comp.gcc.bugs
Message-ID <[email protected]/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D126610

Steve Kargl <kargl at gcc dot gnu.org> changed:

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                 CC|                            |kargl at gcc dot gnu.org

--- Comment #1 from Steve Kargl <kargl at gcc dot gnu.org> ---
(In reply to Arthur Chan from comment #0)

> This vulnerability was discovered by Claude, Anthropic's AI assistant, and
> triaged manually with manual report writing by Ada Logics in collaboration
> with Anthropic Research.

Can you please distill the 218 lines of generated LLM
generated slop to the 2 or 3 lines needed to report
an issue?  Thx.=