Git-commit:
37cee01784ff0df13e5209517e1b3594a5e792d1
This patch switches to use qemu_receive_packet() which can detect
reentrancy and return early.
This is intended to address CVE-2021-3416.
Cc: Prasad J Pandit <ppandit@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
/* FIXME: Honor TX disable, and allow queueing of packets. */
if (s->phy_control & 0x4000) {
/* This assumes the receive routine doesn't touch the VLANClient. */
- lan9118_receive(qemu_get_queue(s->nic), s->txp->data, s->txp->len);
+ qemu_receive_packet(qemu_get_queue(s->nic), s->txp->data, s->txp->len);
} else {
qemu_send_packet(qemu_get_queue(s->nic), s->txp->data, s->txp->len);
}