On Sat, Feb 14, 2015 at 4:50 AM, Paolo Bonzini <[email protected]>
wrote:
On 12/02/2015 04:05, Jason Wang wrote:
We don't validate the existence of handle_output which may let a
buggy
guest to trigger a SIGSEV easily. Fix this by validate its existence
before.
Cc: [email protected]
Cc: Anthony Liguori <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
Which queue was causing this?
Paolo
The queue that was not used by the device. Though qemu does not use
them, but it allows guest to do some basic programming. e.g: (for 1q
virtio-net)
1) write 10 to queue_sel
2) setup an arbitrary pfn
3) then notify queue 10
