Messages in this thread | | | Date | Wed, 25 Jan 2012 16:19:26 -0800 | From | Greg KH <> | Subject | Re: [PATCH stable 3/4] block: fail SCSI passthrough ioctls on partition devices |
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On Tue, Jan 24, 2012 at 01:56:10PM +0100, Paolo Bonzini wrote: > On 01/18/2012 05:04 PM, Ben Hutchings wrote: > >> There is harm. You'll be blacklisting also the standard block device > >> ioctls, and those won't work on 32-on-64 anymore. A system with 32-bit > >> userland will likely not boot anymore. > > > >It does (yes, I tested that myself now). The standard block device > >ioctls are handled without calling the driver's compat_ioctl. > > What about the non-compat path when done by non-root? > > * Does BLKROSET still return EACCES when run by non-root and without > CAP_SYS_ADMIN? I suspect your patch is changing it to EINVAL. > > * Does BLKFLSBUF work when run by non-root but with CAP_SYS_ADMIN?
I'm confused here as well.
Can someone please send me the proper patch that I need to apply to resolve this issue on the 2.6.32.y kernel?
thanks,
greg k-h
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