Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 10 Aug 2016 12:23:08 +1000
From:      Dima Panov <fluffy@FreeBSD.org>
To:        koobs@FreeBSD.org, FreeBSD Ports <ports@freebsd.org>
Cc:        garga@FreeBSD.org
Subject:   Re: Clamd core dumps
Message-ID:  <2de0f906-d77d-c2c7-4c08-24f921bcd28f@FreeBSD.org>
In-Reply-To: <f598e4a6-2f46-045b-877a-760158b2a90e@FreeBSD.org>
References:  <EC1827F8-38D3-43B3-9680-F6FDC505F9A8@mail.sermon-archive.info> <b02ec1e9-b632-d508-5f80-3abc5e697b5d@FreeBSD.org> <f598e4a6-2f46-045b-877a-760158b2a90e@FreeBSD.org>

next in thread | previous in thread | raw e-mail | index | archive | help
This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--chWNN9MuUr43ubSPqvRA14asiT84OKI7U
Content-Type: multipart/mixed; boundary="Gg8bpBDbCxgAVIExJ3J5rWGxgkCXuVJ3S"
From: Dima Panov <fluffy@FreeBSD.org>
Reply-To: fluffy@FreeBSD.org
To: koobs@FreeBSD.org, FreeBSD Ports <ports@freebsd.org>
Cc: garga@FreeBSD.org
Message-ID: <2de0f906-d77d-c2c7-4c08-24f921bcd28f@FreeBSD.org>
Subject: Re: Clamd core dumps
References: <EC1827F8-38D3-43B3-9680-F6FDC505F9A8@mail.sermon-archive.info>
 <b02ec1e9-b632-d508-5f80-3abc5e697b5d@FreeBSD.org>
 <f598e4a6-2f46-045b-877a-760158b2a90e@FreeBSD.org>
In-Reply-To: <f598e4a6-2f46-045b-877a-760158b2a90e@FreeBSD.org>

--Gg8bpBDbCxgAVIExJ3J5rWGxgkCXuVJ3S
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

10.08.16 0:20, Kubilay Kocak =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> On 9/08/2016 11:07 AM, Dima Panov wrote:
>> 09.08.16 10:05, Doug Hardie =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>>> I just upgraded a mail server from 9.3 to 11.0-BETA4.  clamav worked =
fine on 9.3.  However, after upgrading it and reinstalling the package cl=
amd core dumps just after reading all the signatures.  Ktrace shows nothi=
ng other than the sig 11.  I then built clamav from ports so I would have=
 source.  The bt from the core dump shows:
>>>
>>> #0  0x0000000800f94b09 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #1  0x00000008010e7d2b in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #2  0x0000000800d3eee9 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #3  0x0000000800d5ebd3 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #4  0x0000000800d5e256 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #5  0x0000000800d5df16 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #6  0x0000000800d03283 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #7  0x0000000800d034a4 in cli_printcxxver () from /usr/local/lib/libc=
lamav.so.7
>>> #8  0x0000000800c118d0 in cli_pcre_scanbuf () from /usr/local/lib/lib=
clamav.so.7
>>> #9  0x0000000800b675e8 in cli_bytecode_prepare2 () from /usr/local/li=
b/libclamav.so.7
>>> #10 0x0000000800aba3b9 in cl_engine_compile () from /usr/local/lib/li=
bclamav.so.7
>>> #11 0x0000000000408fec in main ()
>>>
>>> I am going to try rebuilding with symbols.
>>>
>>> Any ideas what is causing this or how to get around it?
>>>
>>> pkg is clamav-milter-0.99.2
>>>
>>
>> Let me guess. ClamAV was built with LLVM/Jit support? It's broken for
>> now as Clamav can use only LLVM <3.7 and base system provide llvm 3.8.=

>>
>> Try to rebuild without LLVM/Jit, this solved crashdumps for me.
>>
>>
>=20
> Dima,
>=20
> Should we set BROKEN on OSVERSION > X with that option?
>=20

Nope. Right solution is use a proper LLVM from ports instead of bundled
(very limited) to build Jit engine.

Found it yesterday and filled a PR:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211683

Solution is works for me at two mailservers under 11.0-BETA4 and 10.3-REL=
=2E


CC'ed to: garga@ (maintainer)

--=20
Dima Panov (fluffy@FreeBSD.org)
(X11, KDE, Office)@FreeBSD team

Facebook: http://www.facebook.com/fluffy.khv
twitter: fluffy_khv | skype: dima.panov | telegram: @dima_panov
IRC: fluffy@EFNet, fluffykhv@FreeNode


--Gg8bpBDbCxgAVIExJ3J5rWGxgkCXuVJ3S--

--chWNN9MuUr43ubSPqvRA14asiT84OKI7U
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0
Comment: GPGTools - http://gpgtools.org
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=DQIM
-----END PGP SIGNATURE-----

--chWNN9MuUr43ubSPqvRA14asiT84OKI7U--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2de0f906-d77d-c2c7-4c08-24f921bcd28f>