Subject: Re: kern/1145: umount & df may panic NetBSD
To: None <gnats@NetBSD.ORG, arnej@imf.unit.no>
From: Wolfgang Solfrank <ws@kurt.tools.de>
List: netbsd-bugs
Date: 01/20/1997 14:24:39
> The following patch assumes that mp
> cannot be invalidated during the VFS_STATFS (this seems to be the case
> from my code inspection), and that there are no other places that a
> context switch may occur. (I'm a bit unsure about copyout(), but the
> rest should be OK.)
Of course can copyout result in context switches, as it may have to fault in
the user page that it wants to write to. So your fix is still not sufficient.
--
ws@TooLs.DE (Wolfgang Solfrank, TooLs GmbH) +49-228-985800