Re: [PATCH 1/3] perf report: don't try to map ip to invalid map

From: Arnaldo Carvalho de Melo
Date: Thu Sep 27 2018 - 15:07:50 EST


Em Wed, Sep 26, 2018 at 04:41:23PM +0200, Milian Wolff escreveu:
> On Wednesday, September 26, 2018 4:18:19 PM CEST Arnaldo Carvalho de Melo
> wrote:
> > Em Wed, Sep 26, 2018 at 03:52:05PM +0200, Milian Wolff escreveu:
> > > Fixes a crash when the report encounters an address that
> >
> > > could not be associated with an mmaped region:
> > Milian, can you spot which cset introduced this problem? So that we can
> > add a "Fixes: sha" tag in this (and the others, if needed) to help the
> > stable kernel maintainers to find which kernels this has to be
> > backported to?
>
> The issue was introduced by
>
> perf script: Show correct offsets for DWARF-based unwinding
>
> This in turn got backported already a few times, at which point the
> 2a9d5050dc84fa2060f08a52f632976923e0fa7e sha was used when referencing the
> "Upstream commit".
>
> Is that enough, or do you need me to find all the backported shas too?

I think it is enough, and I hope that the stable guys already handle
fixes to fixes :-)

- Arnaldo