https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105357
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You need better error checking in your code.
scanf can fail and scanf with %s without a size can definitely have a buffer
overflow.
You might be able to detect some of this with -fsanitize=address or by using
valgrind.
This is almost definitely not a bug in GCC.