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Re: [Xen-devel] [PATCH for-4.5 2/3] python/xc: Fix multiple issues in pyxc_readconsolering()



On Mon, 2014-12-01 at 16:14 -0500, Konrad Rzeszutek Wilk wrote:
> On Fri, Nov 28, 2014 at 11:38:52AM +0000, Ian Campbell wrote:
> > On Thu, 2014-11-27 at 12:34 +0000, Andrew Cooper wrote:
> > > Don't leak a 16k allocation if PyArg_ParseTupleAndKeywords() or the first
> > > xc_readconsolering() fail.  It is trivial to run throught the processes 
> > > memory
> > > by repeatedly passing junk parameters to this function.
> > > 
> > > In the case that the call to xc_readconsolering() in the while loop fails,
> > > reinstate str before breaking out, and passing a spurious pointer to 
> > > free().
> > > 
> > > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> > > Coverity-IDs: 1054984 1055906
> > > CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> > > CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> > > CC: Wei Liu <wei.liu2@xxxxxxxxxx>
> > > CC: Xen Coverity Team <coverity@xxxxxxx>
> > 
> > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> Release-Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Did you intend to also ack patch #1? (or have I missed a mail?)




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