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Re: [BUG] Segfault in "git submodule"




I instructed downstream to update their repository.
On Mon, Oct 1, 2018 at 2:31 PM Raymond Jennings <shentino@xxxxxxxxx> wrote:
>
> Yes, git 2.16.4 to be exact.
>
> I upgraded to 2.19 after ~arch keywording the package on gentoo and
> that fixed it.
> On Mon, Oct 1, 2018 at 12:19 PM Stefan Beller <sbeller@xxxxxxxxxx> wrote:
> >
> > On Sat, Sep 29, 2018 at 9:43 AM Raymond Jennings <shentino@xxxxxxxxx> wrote:
> > >
> > > I have a repo, but it appears to be specific to staging area state.
> > > It only segfaults when I have a certain file deleted.
> > >
> > > Where do you want me to upload it?
> > > On Sat, Sep 29, 2018 at 8:34 AM Duy Nguyen <pclouds@xxxxxxxxx> wrote:
> > > >
> > > > On Sat, Sep 29, 2018 at 5:31 PM Ævar Arnfjörð Bjarmason
> > > > <avarab@xxxxxxxxx> wrote:
> > > > > > #1  refs_resolve_ref_unsafe (refs=0x0,
> > > > > > refname=refname@entry=0x55e863062253 "HEAD",
> > > > > > resolve_flags=resolve_flags@entry=1, oid=oid@entry=0x7ffdc834b1c0,
> > > > > > flags=flags@entry=0x7ffdc834b1bc) at refs.c:1493
> > > >
> > > > refs is NULL. It looks like somebody fails to get the right submodule
> > > > ref store (or tries to get it but fails to check if it may return
> > > > NULL)
> >
> > This is spot on.
> >
> > Raymond, are you on Git v2.16.0 by any chance?
> > (and if now which version are you on).
> >
> > I suspect 2.16, as that is a version of Git, in which there happens to be
> > a call into the refs subsystem in submodule--helper.c in line 624.
> >
> > Is it possible to upgrade Git (to v2.18.0 or later) or cherry-pick
> > 74b6bda32f (submodule: check for NULL return of get_submodule_ref_store(),
> > 2018-03-28) into your copy of Git?
> >
> > Thanks,
> > Stefan