Clamd core dumps
Dima Panov
fluffy at FreeBSD.org
Tue Aug 9 01:16:05 UTC 2016
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 Panov (fluffy at FreeBSD.org)
(X11, KDE, Office)@FreeBSD team
Facebook: http://www.facebook.com/fluffy.khv
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IRC: fluffy at EFNet, fluffykhv at FreeNode
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