Suricata memory leak on OPNsense 19.1.10-amd64?

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GOCE

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Suricata memory leak on OPNsense 19.1.10-amd64?

« on: July 14, 2019, 09:59:37 pm »

Hello,

I have noticed during a huge file transfer over SMB that suricata started to use up to all memory (16 GB RAM) on my 19.1.10-amd64 machine. That can't be normal.

Suricata is on version 4.1.4_2.

Regards,

GOCE

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franco

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Posts: 17656
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Re: Suricata memory leak on OPNsense 19.1.10-amd64?

« Reply #1 on: July 15, 2019, 09:39:49 am »

I would recommend reporting this upstream because we can only speculate from here.

https://redmine.openinfosecfoundation.org/projects/suricata

Cheers,
Franco

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GOCE

Newbie
Posts: 26
Karma: 1

Re: Suricata memory leak on OPNsense 19.1.10-amd64?

« Reply #2 on: July 15, 2019, 11:46:25 am »

OK, thanks.

I'll report it upstream. Was just curious if others experienced a similar behavior. I have suricata running for several years now and never observed something like this.

Regards,

GOCE

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franco

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Posts: 17656
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Re: Suricata memory leak on OPNsense 19.1.10-amd64?

« Reply #3 on: July 15, 2019, 11:53:34 am »

SMB received a couple of updates in 4.1 so maybe that's that. Newer decoders are written in Rust which are supposed to be leak-proof so I guess this thing is not because it's not written in Rust.

Cheers,
Franco

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