We don't validate the existence of handle_output which may let a buggy guest to trigger a SIGSEV easily. E.g: 1) write 10 to queue_sel to a virtio net device with only 1 queue 2) setup an arbitrary pfn 3) then notify queue 10 Fixing this by validating the existence of handle_output before. Cc: qemu-stable@nongnu.org Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Don Koch <dkoch@verizon.com> Reviewed-by: Fam Zheng <famz@redhat.com> |
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.. | ||
dataplane | ||
Makefile.objs | ||
vhost-backend.c | ||
vhost-user.c | ||
vhost.c | ||
virtio-balloon.c | ||
virtio-bus.c | ||
virtio-mmio.c | ||
virtio-pci.c | ||
virtio-pci.h | ||
virtio-rng.c | ||
virtio.c |