Clamd core dumps

[Dima Panov]

10.08.16 0:20, Kubilay Kocak пишет:
> On 9/08/2016 11:07 AM, Dima Panov wrote:
>> 09.08.16 10:05, Doug Hardie пишет:
>>> 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 clamd core dumps just after reading all the signatures.  Ktrace shows nothing 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/libclamav.so.7
>>> #1  0x00000008010e7d2b in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #2  0x0000000800d3eee9 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #3  0x0000000800d5ebd3 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #4  0x0000000800d5e256 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #5  0x0000000800d5df16 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #6  0x0000000800d03283 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #7  0x0000000800d034a4 in cli_printcxxver () from /usr/local/lib/libclamav.so.7
>>> #8  0x0000000800c118d0 in cli_pcre_scanbuf () from /usr/local/lib/libclamav.so.7
>>> #9  0x0000000800b675e8 in cli_bytecode_prepare2 () from /usr/local/lib/libclamav.so.7
>>> #10 0x0000000800aba3b9 in cl_engine_compile () from /usr/local/lib/libclamav.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.
>>
>>
> 
> Dima,
> 
> Should we set BROKEN on OSVERSION > X with that option?
> 

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=211683

Solution is works for me at two mailservers under 11.0-BETA4 and 10.3-REL.


CC'ed to: garga@ (maintainer)

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

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