• [Samba] Memory leak in smbd in 4.6.0

    From Ralph =?utf-8?B?QsO2aG1l?= via samb@21:1/5 to All on Wed Mar 15 11:10:03 2017
    Folks,

    fyi: there's a memory leak in the fileserver in the just released Samba 4.6.0 that affects
    anyone using aio.

    <https://bugzilla.samba.org/show_bug.cgi?id=12624>

    Again, this only affects you if you use

    aio read size > 0
    aio write size > 0

    in smb.conf.

    During read and write operation smbd will leak memory allocated by worker threads, the amount of memory leaked over time depends on the IO pattern.

    Samba 4.6.1 will ship a fix for this, patches are also available at the bugreport.

    Until then the workaround is to disable aio by removing the aio read|write settings from smb.conf.

    Cheerio!
    -slow

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