Re: [Xen-devel] [PATCHv2] libxc: fix segfault on uninitialized xch->fmem

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel