Re: [PATCH] USB: fix oops in usb_sg_init()

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On Fri, Jun 18, 2010 at 12:11:04PM -0400, Alan Stern wrote:
> On Fri, 18 Jun 2010, Greg KH wrote:
> 
> > On Fri, Jun 18, 2010 at 10:16:33AM -0400, Alan Stern wrote:
> > > This patch (as1401) fixes a bug in usb_sg_init() that can cause an
> > > invalid pointer dereference.  An inner loop reuses some local variables
> > > in an unsafe manner, so new variables are introduced.
> > > 
> > > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> > > Tested-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx>
> > > 
> > > ---
> > > 
> > > Greg, this fix needs to get into 2.6.35.
> > 
> > Does it also need to go into older -stable kernels?
> 
> No.  The bug it fixes was introduced in commit 
> 0ba169aff9181389f30f225ad92e113eeb2290b9 (USB: simplify usb_sg_init()),
> which has not been applied to any -stable kernels as far as I know.

Ah, ok, thanks.

greg k-h
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