On Tue, 18 Jul 2017 03:49:25 +0200 Dong Jia Shi <bjsdjshi@xxxxxxxxxxxxxxxxxx> wrote: > From: Jing Zhang <bjzhjing@xxxxxxxxxxxxxxxxxx> > > When allocating memory for the vfio_irq_info parameter of the > VFIO_DEVICE_GET_IRQ_INFO ioctl, we used the wrong size. Let's > fix it by using the right size. > > Reviewed-by: Dong Jia Shi <bjsdjshi@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Jing Zhang <bjzhjing@xxxxxxxxxxxxxxxxxx> > Signed-off-by: Dong Jia Shi <bjsdjshi@xxxxxxxxxxxxxxxxxx> > --- > hw/vfio/ccw.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c > index 12d0262336..8d97b53e77 100644 > --- a/hw/vfio/ccw.c > +++ b/hw/vfio/ccw.c > @@ -168,7 +168,7 @@ static void vfio_ccw_register_io_notifier(VFIOCCWDevice *vcdev, Error **errp) > return; > } > > - argsz = sizeof(*irq_set); > + argsz = sizeof(*irq_info); > irq_info = g_malloc0(argsz); > irq_info->index = VFIO_CCW_IO_IRQ_INDEX; > irq_info->argsz = argsz; irq_set is larger than irq_info, but yes, let's do this correctly. Out of curiosity, how did you spot this?