On Fri, 9 May 2025 17:58:01 +0800 Baoquan He <b...@redhat.com> wrote:
> > The bad commit was introduced in 2021 but only recent gcc-15 supports > > __counted_by. That's why we don't see this UBSAN warning until this > > year. And although this UBSAN warning is scary enough, fortunately it > > doesn't cause a real problem. > > > > > > > > Baoquan, please re-review this? > > > > > > A -stable backport is clearly required. A Fixes: would be nice, but I > > > assume this goes back a long time so it isn't worth spending a lot of > > > time working out when this was introduced. > > > > So I believe the correct fix should be as follows, > > Thanks for testing and investigation into these. Could you arrange this > into formal patches based on your testing and analysis? > > It would be great if you can include Fuqiang's patch since it has > conflict with your LUKS patch. This can facilitate patch merging for > Andrew. Thanks in advance. Yes please, I'm a bit lost here. x86-kexec-fix-potential-cmem-ranges-out-of-bounds.patch is not presently in mm.git and I'd appreciate clarity on how to resolve the conflicts which a new version of x86-kexec-fix-potential-cmem-ranges-out-of-bounds.patch will produce.