[Bug other/91989] libssp/spp.c: __[stack_]chk_fail() may run arbitrary code if __builtin_trap() returns

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91989

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2020-01-27
                 CC|                            |marxin at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Well, __builtin_trap should end up with an assembly emission of ud2, which is
an undefined instruction. Note that the builtin is always noreturn.
That said, is it still an issue?