Bug#662128: (no subject)

Tue May 13 00:59:40 UTC 2014

it's /dev/shm that's triggering as "suspicious": 
Message-ID: <20140513005940.30413.65861.reportbug at schumann.anu.edu.au>
X-Mailer: reportbug 6.5.0
Date: Tue, 13 May 2014 10:59:40 +1000

Warning: Suspicious file types found in /dev:
         /dev/shm/pulse-shm-1963598897: data
         /dev/shm/mono.4102: data
         /dev/shm/pulse-shm-4256995607: data

Is it normal for these kinds of files to trigger a warning?