[Oisf-devel] Memory pb on Suricata git today

Eric Leblond eleblond at edenwall.com
Fri Jul 30 18:27:15 UTC 2010


Hi,

Le 30 juil. 2010 à 18:58, rmkml <rmkml at free.fr> a écrit :

> Hi,
> Congratulations for Suricata v1.0.1!
> but this new release not fix my memory usage pb please.
>  v101    - mem usage: 621M
> Im not continue my testing on your open source product because my linux kernel kill suricata process...

I ve myself experimented a heavy memory usage of suricata. It is linked with the max-pending-packets.

During init suricata preallocate this amount of packets.
But each Packet structure is of size 80384 and this can cause a huge memory usage.

BR

Eric

> Regards
> Rmkml
> 
> 
> On Mon, 26 Jul 2010, rmkml wrote:
> 
>> It's ok, but with my commercial sig, suricata use 1.2G and killed by linux 
>> kernel (on my personnal laptop).
>> Anyone test with vrt sigs please? (v2.8.5.3 or old)
>> Regards
>> Rmkml
>> 
>> 
>> On Mon, 26 Jul 2010, rmkml wrote:
>> 
>>> Hi Victor,
>>> ok I have tested with theses suricata versions: (same conf, same pcap file 
>>> is 27Mo)
>>> v100    - mem usage: 400M
>>> git13jul- mem usage: 400M
>>> git21jul- mem usage: 630M
>>> git25jul- mem usage: 649M
>>> All test with emerging all sigs daily 
>>> (http://www.emergingthreats.net/rules/emerging-all.rules.zip)
>>> Anyone confirm increase 50% memory please?
>>> Regards
>>> Rmkml
>>> 
>>> 
>>> On Mon, 26 Jul 2010, Victor Julien wrote:
>>> 
>>>> I think the increased mem usage is caused by fixing some accuracy
>>>> issues. As far as I can tell, it's not a bug of some kind.
>>>> 
>>>> Cheers,
>>>> Victor
>>>> 
>>>> rmkml wrote:
>>>>> Thx Anoop and Victor,
>>>>> ok crash/segfault fixed,
>>>>> but mem usage increase always exist on git
>>>>> c25921edf01c9f2d2e3c639037528ef5440c566e.
>>>>> Regards
>>>>> Rmkml
>>>>> 
>>>>> 
>>>>> On Sun, 25 Jul 2010, Victor Julien wrote:
>>>>> 
>>>>>> Should be fixed in current master. Thanks guys!
>>>>>> 
>>>>>> Anoop Saldanha wrote:
>>>>>>> Attached a new patch.  Please don't apply the older one.  Fixed a small
>>>>>>> typo in the unittest.  It should pass now.
>>>>>>> 
>>>>>>> On Sun, Jul 25, 2010 at 10:48 AM, Anoop Saldanha <poonaatsoc at gmail.com
>>>>>>> <mailto:poonaatsoc at gmail.com>> wrote:
>>>>>>> 
>>>>>>>    Hi rmkml.  Can you please check it with this attached patch. 
>>>>>>> Should
>>>>>>>    fix it.  Added an unittest to the patch as well.
>>>>>>> 
>>>>>>> 
>>>>>>>    On Sun, Jul 25, 2010 at 1:21 AM, <rmkml at free.fr
>>>>>>>    <mailto:rmkml at free.fr>> wrote:
>>>>>>> 
>>>>>>>        Ok Im found my "crash" sig:
>>>>>>>        alert udp any any -> any any (msg:"crash"; byte_test:4,>,2,0;
>>>>>>>        byte_jump:1,0,relative; sid:11; )
>>>>>>>        Regards
>>>>>>>        Rmkml
>>>>>>> 
>>>>>>> 
>>>>>>>        Selon rmkml <rmkml at free.fr <mailto:rmkml at free.fr>>:
>>>>>>> 
>>>>>>>> thx for reply Victor,
>>>>>>>> no problemo:
>>>>>>>> 
>>>>>>>> ...
>>>>>>>> [20560] 24/7/2010 -- 16:23:13 - (detect.c:302) <Error>
>>>>>>>        (DetectLoadSigFile) --
>>>>>>>> [ERRCODE: SC_ERR_INVALID_SIGNATURE(39)] - Error parsing
>>>>>>>        signature "alert tcp
>>>>>>>> $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"WEB-PHP
>>>>>>>        shoutbox.php
>>>>>>>> access"; flow:to_server,established;
>>>>>>> uricontent:"/shoutbox.php";
>>>>>>>> reference:nessus,11668; classtype:web-application-activity;
>>>>>>>        sid:2142;
>>>>>>>> rev:1;)" from file /home/test/snort/rules/web-php.rules at
>>>>>>> line 94
>>>>>>>> [20560] 24/7/2010 -- 16:23:14 - (detect-bytejump.c:594) <Error>
>>>>>>>> (DetectBytejumpSetup) -- [ERRCODE:
>>>>>>>        SC_ERR_INVALID_SIGNATURE(39)] - No
>>>>>>>> preceding content or uricontent or pcre option
>>>>>>>> *** glibc detected ***
>>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul201
>>>>>>>> 0/src/.libs/suricata: corrupted double-linked list:
>>>>>>> 0x0a51dea8 ***
>>>>>>>> ======= Backtrace: =========
>>>>>>>> /lib/libc.so.6[0xa9d06d]
>>>>>>>> ...
>>>>>>>> 
>>>>>>>> Regards
>>>>>>>> Rmkml
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> On Sat, 24 Jul 2010, Victor Julien wrote:
>>>>>>>> 
>>>>>>>>> Can you share the signature this is happening with?
>>>>>>>        Privately if you
>>>>>>>> prefer.
>>>>>>>>> 
>>>>>>>>> Cheers,
>>>>>>>>> Victor
>>>>>>>>> 
>>>>>>>>> rmkml wrote:
>>>>>>>>>> Hi Victor,
>>>>>>>>>> Thx for your work and your time on this project!
>>>>>>>>>> 
>>>>>>>>>> I have "downloaded" (git clone) last Suricata version,
>>>>>>>>>> but I have a glibc error (git
>>>>>>>        ead29dc6918f4524f1fae7e892d3f86dac117c0a):
>>>>>>>>>> ...
>>>>>>>>>> [20560] 24/7/2010 -- 16:23:14 - (detect-bytejump.c:594)
>>>>>>> <Error>
>>>>>>>>>> (DetectBytejumpSetup) -- [ERRCODE:
>>>>>>>        SC_ERR_INVALID_SIGNATURE(39)] - No
>>>>>>>>>> preceding content or uricontent or pcre option
>>>>>>>>>> *** glibc detected ***
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata:
>>>>>>> 
>>>>>>>>>> corrupted double-linked list: 0x0a51dea8 ***
>>>>>>>>>> ======= Backtrace: =========
>>>>>>>>>> /lib/libc.so.6[0xa9d06d]
>>>>>>>>>> /lib/libc.so.6[0xa9eb2b]
>>>>>>>>>> /lib/libc.so.6(cfree+0x90)[0xaa2430]
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x807b0dd]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x807c04a]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x807c1fb]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x806586e]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x8065d4b]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x804bc70]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> /lib/libc.so.6(__libc_start_main+0xe0)[0xa4cf70]
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata[0x804aa01]
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> ======= Memory map: ========
>>>>>>>>>> 0072c000-0073e000 r-xp 00000000 08:02 3700508
>>>>>>>         /lib/libz.so.1.2.3
>>>>>>>>>> 0073e000-0073f000 rw-p 00011000 08:02 3700508
>>>>>>>         /lib/libz.so.1.2.3
>>>>>>>>>> 00a18000-00a33000 r-xp 00000000 08:02 11817698
>>>>>>>        /lib/ld-2.6.so <http://ld-2.6.so>
>>>>>>>>>> 00a33000-00a34000 r--p 0001a000 08:02 11817698
>>>>>>>        /lib/ld-2.6.so <http://ld-2.6.so>
>>>>>>>>>> 00a34000-00a35000 rw-p 0001b000 08:02 11817698
>>>>>>>        /lib/ld-2.6.so <http://ld-2.6.so>
>>>>>>>>>> 00a37000-00b85000 r-xp 00000000 08:02 11817699
>>>>>>>        /lib/libc-2.6.so <http://libc-2.6.so>
>>>>>>>>>> 00b85000-00b87000 r--p 0014e000 08:02 11817699
>>>>>>>        /lib/libc-2.6.so <http://libc-2.6.so>
>>>>>>>>>> 00b87000-00b88000 rw-p 00150000 08:02 11817699
>>>>>>>        /lib/libc-2.6.so <http://libc-2.6.so>
>>>>>>>>>> 00b88000-00b8b000 rw-p 00000000 00:00 0
>>>>>>>>>> 00bbf000-00bd3000 r-xp 00000000 08:02 5434178
>>>>>>>         /lib/libpthread-2.6.so <http://libpthread-2.6.so>
>>>>>>>>>> 00bd3000-00bd4000 r--p 00013000 08:02 5434178
>>>>>>>         /lib/libpthread-2.6.so <http://libpthread-2.6.so>
>>>>>>>>>> 00bd4000-00bd5000 rw-p 00014000 08:02 5434178
>>>>>>>         /lib/libpthread-2.6.so <http://libpthread-2.6.so>
>>>>>>>>>> 00bd5000-00bd7000 rw-p 00000000 00:00 0
>>>>>>>>>> 00bee000-00c17000 r-xp 00000000 08:02 2078837
>>>>>>>         /usr/lib/libpcap.so.0.9.7
>>>>>>>>>> 00c17000-00c19000 rw-p 00028000 08:02 2078837
>>>>>>>         /usr/lib/libpcap.so.0.9.7
>>>>>>>>>> 00c58000-00c7f000 r-xp 00000000 08:02 5434342
>>>>>>>         /lib/libpcre.so.0.0.1
>>>>>>>>>> 00c7f000-00c80000 rw-p 00026000 08:02 5434342
>>>>>>>         /lib/libpcre.so.0.0.1
>>>>>>>>>> 05db4000-05dbf000 r-xp 00000000 08:02 5434249
>>>>>>>>>> /lib/libgcc_s-4.1.2-20070925.so.1
>>>>>>>>>> 05dbf000-05dc0000 rw-p 0000a000 08:02 5434249
>>>>>>>>>> /lib/libgcc_s-4.1.2-20070925.so.1
>>>>>>>>>> 08048000-08100000 r-xp 00000000 08:02 1244073
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 08100000-08101000 rw-p 000b8000 08:02 1244073
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/src/.libs/suricata
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 08101000-0a53d000 rw-p 00000000 00:00 0          [heap]
>>>>>>>>>> b7400000-b7421000 rw-p 00000000 00:00 0
>>>>>>>>>> b7421000-b7500000 ---p 00000000 00:00 0
>>>>>>>>>> b7594000-b771c000 rw-p 00000000 00:00 0
>>>>>>>>>> b771c000-b7737000 r-xp 00000000 08:02 11261710
>>>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/yaml-0.1.3/src/.libs/libyaml-0.so.2.0.1
>>>>>>>>>> b7737000-b7738000 rw-p 0001a000 08:02 11261710
>>>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/yaml-0.1.3/src/.libs/libyaml-0.so.2.0.1
>>>>>>>>>> b7748000-b7749000 rw-p 00000000 00:00 0
>>>>>>>>>> b7749000-b7758000 r-xp 00000000 08:02 654980
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/libhtp/htp/.libs/libhtp-0.2.so.1.0.2
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> b7758000-b7759000 rw-p 0000e000 08:02 654980
>>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> /home/test/oisf_suricata_ids/suricata-1.0.1pregit24jul2010/libhtp/htp/.libs/libhtp-0.2.so.1.0.2
>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> b7759000-b775a000 rw-p 00000000 00:00 0
>>>>>>>>>> b775a000-b775b000 r-xp 00000000 00:00 0          [vdso]
>>>>>>>>>> bf96c000-bf98d000 rw-p 00000000 00:00 0          [stack]
>>>>>>>>>> Abandon
>>>>>>>>>> 
>>>>>>>>>> Regards
>>>>>>>>>> Rmkml
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> On Sat, 24 Jul 2010, Victor Julien wrote:
>>>>>>>>>> 
>>>>>>>>>>> rmkml at free.fr <mailto:rmkml at free.fr> wrote:
>>>>>>>>>>>> I have new:
>>>>>>>>>>>> On git 21 jul, mem usage pb appear, but I have a small
>>>>>>>        (revert)
>>>>>>>>>>>> change "resolv"
>>>>>>>>>>>> my pb, Move (back) this Line on if loop /* content */:
>>>>>>>>>>>> PatternMatchPreparePopulateMpm(de_ctx, sh);
>>>>>>>>>>>> #line 1081 in src/detect-engine-mpm.c
>>>>>>>>>>> 
>>>>>>>>>>> Thanks Rmkml. At this point I don't think there is
>>>>>>>        anything wrong in the
>>>>>>>>>>> code there. The changes were done to fix some accuracy
>>>>>>>        issues we were
>>>>>>>>>>> seeing.
>>>>>>>>>>> 
>>>>>>>>>>> I did cleanup the code a bit in the latest git master. I
>>>>>>>        don't expect
>>>>>>>>>>> anything to change, but maybe you can try anyway :)
>>>>>>>>>>> 
>>>>>>>>>>> Cheers,
>>>>>>>>>>> Victor
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> --
>>>>>>>>>>> ---------------------------------------------
>>>>>>>>>>> Victor Julien
>>>>>>>>>>> http://www.inliniac.net/
>>>>>>>>>>> PGP: http://www.inliniac.net/victorjulien.asc
>>>>>>>>>>> ---------------------------------------------
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> --
>>>>>>>>> ---------------------------------------------
>>>>>>>>> Victor Julien
>>>>>>>>> http://www.inliniac.net/
>>>>>>>>> PGP: http://www.inliniac.net/victorjulien.asc
>>>>>>>>> ---------------------------------------------
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>        _______________________________________________
>>>>>>>        Oisf-devel mailing list
>>>>>>>        Oisf-devel at openinfosecfoundation.org
>>>>>>>        <mailto:Oisf-devel at openinfosecfoundation.org>
>>>>>>> 
>>>>>>> http://lists.openinfosecfoundation.org/mailman/listinfo/oisf-devel
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>    --
>>>>>>>    Regards,
>>>>>>>    Anoop Saldanha
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> --
>>>>>>> Regards,
>>>>>>> Anoop Saldanha
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> ------------------------------------------------------------------------
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> Oisf-devel mailing list
>>>>>>> Oisf-devel at openinfosecfoundation.org
>>>>>>> http://lists.openinfosecfoundation.org/mailman/listinfo/oisf-devel
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> ---------------------------------------------
>>>>>> Victor Julien
>>>>>> http://www.inliniac.net/
>>>>>> PGP: http://www.inliniac.net/victorjulien.asc
>>>>>> ---------------------------------------------
>>>>>> 
>>>>>> 
>>>> 
>>>> 
>>>> -- 
>>>> ---------------------------------------------
>>>> Victor Julien
>>>> http://www.inliniac.net/
>>>> PGP: http://www.inliniac.net/victorjulien.asc
>>>> ---------------------------------------------
>>>> 
>>>> _______________________________________________
>>>> Oisf-devel mailing list
>>>> Oisf-devel at openinfosecfoundation.org
>>>> http://lists.openinfosecfoundation.org/mailman/listinfo/oisf-devel
>>>> 
>>> 
>>> 
>> 
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