On 9/30/2021 8:18 AM, Kuppuswamy, Sathyanarayanan wrote:
On 9/30/21 6:36 AM, Dan Williams wrote:
And in particular, not all virtio drivers are hardened -
I think at this point blk and scsi drivers have been hardened - so
treating them all the same looks wrong.
My understanding was that they have been audited, Sathya?
Yes, AFAIK, it has been audited. Andi also submitted some patches
related to it. Andi, can you confirm.
We also authorize the virtio at PCI ID level. And currently we allow
console, block and net virtio PCI devices.
{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT_QUMRANET, VIRTIO_TRANS_ID_NET) },
{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT_QUMRANET, VIRTIO_TRANS_ID_BLOCK) },
{ PCI_DEVICE(PCI_VENDOR_ID_REDHAT_QUMRANET, VIRTIO_TRANS_ID_CONSOLE) },
The only drivers that are being audited and fuzzed are these three
virtio drivers (in addition to some other x86 code outside the driver model)
-Andi
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