[Bug sanitizer/88277] ASAN stack poisoning is using unaligned stores on e.g. x86_64

marxin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Apr 25 13:05:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88277

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEW
           Assignee|marxin at gcc dot gnu.org          |unassigned at gcc dot gnu.org

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Andi Kleen from comment #2)
> FWIW modern x86 CPUs are fairly good at unaligned accesses, so it might not
> be worth it for performance.

That said, I'm leaving that..


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