Re: memory corruption in grops

"G. Branden Robinson" <[email protected]> Fri, 24 Jul 2026 18:16:17 -0500
Newsgroups gmane.comp.printing.groff.general
Message-ID <20260724231617.i32d6didfdsym4mx@illithid>
--twtixebra7qo2rur
Content-Type: text/plain; protected-headers=v1; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
Subject: Re: memory corruption in grops
MIME-Version: 1.0

Hi Bruno,

At 2026-07-25T01:14:46+0200, Bruno Haible wrote:
> I tried building the groff-1.25.0.rc1 with clang's ASAN.
> The next finding:
>=20
>   GROFF    doc/webpage.ps
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D=3D850822=3D=3DERROR: AddressSanitizer: heap-buffer-overflow on addres=
s 0x7667d11e0291 at pc 0x639af6237a11 bp 0x7ffd0e103b90 sp 0x7ffd0e103b88
> READ of size 1 at 0x7667d11e0291 thread T0
>     #0 0x639af6237a10 in ps_printer::do_import(char*, environment const*)=
 /build/groff-1.25.0.rc1/build-64-clang/../src/devices/grops/ps.cpp:1870:11

Yup.  I'm on it.

https://savannah.gnu.org/bugs/index.php?68559

Regards,
Branden

--twtixebra7qo2rur
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=R8Bc
-----END PGP SIGNATURE-----

--twtixebra7qo2rur--