Re: mount memory modified after free

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Thu, 20 Oct 2005 08:51:33 +0200
In message <20051020063303.GA19624_at_garage.freebsd.pl>, Pawel Jakub Dawidek writ
es:

>Bascially there is only one place to store mount-point's
>vnode in device structure (IIRC) and if you mount the same provider twice,
>it will be overwritten and you'll not be able to unmount first file system
>without panicing.

There is more, you also need to cope with the UFS snapshot data hung
off the cdev etc.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Thu Oct 20 2005 - 04:51:36 UTC

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