On 2021-02-08 at 19:54:18, Junio C Hamano wrote:
> Junio C Hamano <gitster@pobox.com> writes:
> 
> > By the way, when merged to 'seen' (you can try the above that shows
> > %(subject) followed by %(trailers) with the tip of 'seen'), it dies
> > like this:
> >
> >     $ git for-each-ref \
> > 	--format="%(subject)%0a%(trailers:key=Signed-off-by:)" \
> > 	refs/heads/js/range-diff-wo-dotdot
> >     free(): double free detected in tcache 2
> >     Aborted
> >
> > There must be some interaction with another topic but I didn't dig
> > deeper.
> 
> It seems brian's bc/signed-objects-with-both-hashes topic alone has
> the double-free issue, without the "trailers" topic.
> 
>     $ git checkout --detach bc/signed-objects-with-both-hashes
>     $ make git
>     $ ./git for-each-ref --format='%(subject)%(body)' refs/heads/maint
>     free(): double free detected in tcache 2
>     Aborted
> 
> So for now, you do not have to worry about it in your topic.  Of
> course, you are very much welcome to help debugging and fixing it
> ;-)

I'll take a look.  Thanks for the heads up.
-- 
brian m. carlson (he/him or they/them)
Houston, Texas, US