Memory leaks in smbd ?
Volker Lendecke
Volker.Lendecke at SerNet.DE
Wed Nov 19 08:15:13 GMT 2008
On Tue, Nov 18, 2008 at 02:54:08PM +0100, Martin Zielinski wrote:
> >On Sat, Nov 15, 2008 at 02:03:05PM +0100, Martin Zielinski wrote:
> >
> >>We tried to reproduce the error, which is quite complex having a printer
> >> window open and polling a non-empty printer on the samba server.
> >>
> >>With your patch, the samu struct now is only once in the smbcontrol
> >>output. So yes, I would say it's fixed. There are still several "Printer
> >>Entry" entries, that seem not to be freed, too - but that's not so much
> >>memory that it will become a problem.
> >
> >I'd still like to nail those if they are leaks though. Can you
> >give me any more info on the pool useage there ?
> >
> >Jeremy.
> >
> Hi Jeremy,
>
> We tried to reproduce the situation caused the first post about a memory
> leak. My colleague told me, that it is necessary to have a printer
> window open displaying several print jobs.
>
> I've attached the gzipped 26k file. If it doesn't make it to the list, I
> could resend it to you personally.
>
> Compared to the first post we had *before* Volkers patch lots of:
>
> Printer Entry [-40000784] contains 26 bytes in 2 blocks
> .name contains 26 bytes in 1
> struct samu contains 543 bytes in 26 blocks
> struct passwd contains 71 bytes in 6
> [...]
>
> and now we only have
>
> Printer Entry [-40000784] contains 26 bytes in 2 blocks
> .name contains 26 bytes
> Printer Entry [-40000784] contains 26 bytes in 2 blocks
> .name contains 26 bytes in 1
> Printer Entry [-40000784] contains 26 bytes in 2 blocks
> .name contains 26 bytes in 1
> [...]
>
> If these entries are a leak I can't say - but you will know.
Can you send me a debug level 10 log of smbd doing that?
Thanks,
Volker
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