linux-kernel - Re: SHMEM question

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Message-ID: <19654.1256586467@turing-police.cc.vt.edu>
Date:	Mon, 26 Oct 2009 15:47:47 -0400
From:	Valdis.Kletnieks@...edu
To:	Gene Heskett <gene.heskett@...izon.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: SHMEM question

On Mon, 26 Oct 2009 11:59:04 EDT, Gene Heskett said:

> -r-------- 1 root root 67108904 2009-10-24 00:28 pulse-shm-3880918577

> That pulse-shm-3880918577 file at over 67 megabytes is all $00 till $04000000 
> into it, then there is 6 non-zero bytes and the rest is back to all balls.
> 
> Is this some indicator of a new rootkit or WTF?

No, it's pulseaudio.  It uses shared mem to move audio data between client
programs and the pulseaudio server.

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