[Samba] Memory leak in smbd in 4.6.0

Achim Gottinger achim at ag-web.biz
Sat Apr 15 15:35:27 UTC 2017



Am 15.03.2017 um 11:05 schrieb Ralph Böhme via samba:
> 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
>
Hello Ralph,

Seems this patch ist still not applied in 4.6.2!

Cheers,
Achim



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