Re: R-devel crashes when can't find function

Thanks Seb

I confirm that option is responsible for the crash:

(base) tdhock@tdhock-MacBook:~$ R/R-devel/bin/R -e 'foo()'

R Under development (unstable) (2025-02-02 r87676) -- "Unsuffered
Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu

R est un logiciel libre livr=C3=A9 sans AUCUNE GARANTIE.
Vous pouvez le redistribuer sous certaines conditions.
Tapez 'license()' ou 'licence()' pour plus de d=C3=A9tails.

R est un projet collaboratif avec de nombreux contributeurs.
Tapez 'contributors()' pour plus d'information et
'citation()' pour la fa=C3=A7on de le citer dans les publications.

Tapez 'demo()' pour des d=C3=A9monstrations, 'help()' pour l'aide
en ligne ou 'help.start()' pour obtenir l'aide au format HTML.
Tapez 'q()' pour quitter R.

Le chargement a n=C3=A9cessit=C3=A9 le package : grDevices
> foo()
Erreur dans foo() : impossible de trouver la fonction "foo"
Ex=C3=A9cution arr=C3=AAt=C3=A9e
(base) tdhock@tdhock-MacBook:~$ R/R-devel/bin/R -e
'options(show.error.locations =3D TRUE);foo()'

R Under development (unstable) (2025-02-02 r87676) -- "Unsuffered
Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu

R est un logiciel libre livr=C3=A9 sans AUCUNE GARANTIE.
Vous pouvez le redistribuer sous certaines conditions.
Tapez 'license()' ou 'licence()' pour plus de d=C3=A9tails.

R est un projet collaboratif avec de nombreux contributeurs.
Tapez 'contributors()' pour plus d'information et
'citation()' pour la fa=C3=A7on de le citer dans les publications.

Tapez 'demo()' pour des d=C3=A9monstrations, 'help()' pour l'aide
en ligne ou 'help.start()' pour obtenir l'aide au format HTML.
Tapez 'q()' pour quitter R.

Le chargement a n=C3=A9cessit=C3=A9 le package : grDevices
> options(show.error.locations =3D TRUE);foo()

 *** caught segfault ***
address 0x180, cause 'memory not mapped'
An irrecoverable exception occurred. R is aborting now ...
Erreur de segmentation (core dumped)

On Wed, Feb 5, 2025 at 2:06=E2=80=AFPM Sebastian Meyer <[email protected]> w=
rote:

> I could reproduce the problem in R-devel.
>
> It is not an ESS-specific bug: it happens under
> `options(show.error.locations =3D TRUE)`, which is unset by default but
> set by ESS. The following is sufficient to trigger the segfault:
>
>      options(show.error.locations =3D TRUE)
>      foo()
>
> I guess the issue is related to PR#18841
> <https://bugs.r-project.org/show_bug.cgi?id=3D18841>, merged last week. I
> left a comment there.
>
> Best,
>
>         Sebastian
>
>
> Am 05.02.25 um 11:25 schrieb Toby Hocking via ESS-help:
> > Here is the crash report that I forgot in my original post
> >
> > =3D=3D34394=3D=3D Memcheck, a memory error detector
> > =3D=3D34394=3D=3D Copyright (C) 2002-2017, and GNU GPL'd, by Julian Sew=
ard et al.
> > =3D=3D34394=3D=3D Using Valgrind-3.18.1 and LibVEX; rerun with -h for c=
opyright
> info
> > =3D=3D34394=3D=3D Command: /home/tdhock/lib/R/bin/exec/R --no-readline
> > =3D=3D34394=3D=3D
> >
> > R Under development (unstable) (2025-02-02 r87676) -- "Unsuffered
> > Consequences"
> > Copyright (C) 2025 The R Foundation for Statistical Computing
> > Platform: x86_64-pc-linux-gnu
> >
> > R est un logiciel libre livr=C3=A9 sans AUCUNE GARANTIE.
> > Vous pouvez le redistribuer sous certaines conditions.
> > Tapez 'license()' ou 'licence()' pour plus de d=C3=A9tails.
> >
> > R est un projet collaboratif avec de nombreux contributeurs.
> > Tapez 'contributors()' pour plus d'information et
> > 'citation()' pour la fa=C3=A7on de le citer dans les publications.
> >
> > Tapez 'demo()' pour des d=C3=A9monstrations, 'help()' pour l'aide
> > en ligne ou 'help.start()' pour obtenir l'aide au format HTML.
> > Tapez 'q()' pour quitter R.
> >
> > Le chargement a n=C3=A9cessit=C3=A9 le package : grDevices
> >
> >> foo()
> > =3D=3D34394=3D=3D Invalid read of size 8
> > =3D=3D34394=3D=3D    at 0x499B77C: R_GetCurrentSrcref (in
> > /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x4996DD3: verrorcall_dflt (in
> > /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x49976BD: Rf_errorcall (in
> /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x4997793: Rf_errorcall_cpy (in
> > /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x498B205: Rf_findFun3 (in
> /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x499F8B8: Rf_eval (in /home/tdhock/lib/R/lib/l=
ibR.so)
> > =3D=3D34394=3D=3D    by 0x49A62A2: do_set (in /home/tdhock/lib/R/lib/li=
bR.so)
> > =3D=3D34394=3D=3D    by 0x499FA38: Rf_eval (in /home/tdhock/lib/R/lib/l=
ibR.so)
> > =3D=3D34394=3D=3D    by 0x49F2F75: Rf_ReplIteration (in
> > /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x49F316B: R_ReplConsole (in
> /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x49F4BA3: run_Rmainloop (in
> /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D    by 0x49F4BB9: Rf_mainloop (in
> /home/tdhock/lib/R/lib/libR.so)
> > =3D=3D34394=3D=3D  Address 0x180 is not stack'd, malloc'd or (recently)=
 free'd
> > =3D=3D34394=3D=3D
> >
> >   *** caught segfault ***
> > address 0x180, cause 'memory not mapped'
> >
> > Possible actions:
> > 1: abort (with core dump, if enabled)
> > 2: normal R exit
> > 3: exit R without saving workspace
> > 4: exit R saving workspace
> > Selection:
> >
> > On Wed, Feb 5, 2025 at 11:22=E2=80=AFAM Toby Hocking <[email protected]=
> wrote:
> >
> >> Hi, I'm not sure if this is a bug in R-devel or ESS, but I'm reporting
> >> here first.
> >>
> >> When I type foo() at the commend line, I expect R to give me an error
> >> message such as "function foo() not found" and that is what I get using
> the
> >> command line:
> >> (base) tdhock@tdhock-MacBook:~/R/R-devel$ ~/R/R-devel/bin/R --no-save
> -e
> >> "foo()"
> >>
> >> R Under development (unstable) (2025-02-02 r87676) -- "Unsuffered
> >> Consequences"
> >> Copyright (C) 2025 The R Foundation for Statistical Computing
> >> Platform: x86_64-pc-linux-gnu
> >>
> >> R est un logiciel libre livr=C3=A9 sans AUCUNE GARANTIE.
> >> Vous pouvez le redistribuer sous certaines conditions.
> >> Tapez 'license()' ou 'licence()' pour plus de d=C3=A9tails.
> >>
> >> R est un projet collaboratif avec de nombreux contributeurs.
> >> Tapez 'contributors()' pour plus d'information et
> >> 'citation()' pour la fa=C3=A7on de le citer dans les publications.
> >>
> >> Tapez 'demo()' pour des d=C3=A9monstrations, 'help()' pour l'aide
> >> en ligne ou 'help.start()' pour obtenir l'aide au format HTML.
> >> Tapez 'q()' pour quitter R.
> >>
> >> Le chargement a n=C3=A9cessit=C3=A9 le package : grDevices
> >>> foo()
> >> Erreur dans foo() : impossible de trouver la fonction "foo"
> >> Ex=C3=A9cution arr=C3=AAt=C3=A9e
> >>
> >> But when I do the same thing inside ESS, R crashes.
> >> Below I did C-u M-x R -d valgrind RET to start R with valgrind inside
> ESS,
> >> then I typed foo() RET in the *R* buffer, which crashed. Can anybody
> >> reproduce?
> >>
> >> Can somebody help me reproduce this on the command line? (outside of
> ESS)
> >> so I can report this to R-devel?
> >>
> >> Thanks
> >> Toby
> >>
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > [email protected] mailing list
> > https://stat.ethz.ch/mailman/listinfo/ess-help
>
>

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