[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCHv2] libxc: fix segfault on uninitialized xch->fmem
On Tue, Apr 04, 2017 at 01:59:27PM +0100, Wei Liu wrote: > On Tue, Apr 04, 2017 at 02:40:48PM +0200, Seraphime Kirkovski wrote: > > Currently in xc_interface_open, xch->fmem is not initialized > > and in some rare case the code fails before ever assigning a value > > to it. > > > > I got this in master: > > > > $ sudo ./xl/xl run > > xencall: error: Could not obtain handle on privileged command interface: > > No such file or directory > > Segmentation fault > > > > This initializes the whole xch_buff to 0. > > > > Signed-off-by: Seraphime Kirkovski <kirkseraph@xxxxxxxxx> > > Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx> Ian, this is a backport candidate. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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