From: Jason Wang <[email protected]> Date: Wed, 28 Jun 2017 09:51:03 +0800
> We don't hold any tx lock when trying to disable TX during reset, this > would lead a use after free since ndo_start_xmit() tries to access > the virtqueue which has already been freed. Fix this by using > netif_tx_disable() before freeing the vqs, this could make sure no tx > after vq freeing. > > Reported-by: Jean-Philippe Menil <[email protected]> > Tested-by: Jean-Philippe Menil <[email protected]> > Fixes commit f600b6905015 ("virtio_net: Add XDP support") > Cc: John Fastabend <[email protected]> > Signed-off-by: Jason Wang <[email protected]> Applied and queued up for -stable.
