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| /openbmc/linux/drivers/vdpa/mlx5/net/ |
| H A D | mlx5_vnet.c | diff f8ae3a489b21b05c39a0a1a7734f2a0188852177 Tue Jan 11 12:33:59 CST 2022 Eli Cohen <elic@nvidia.com> vdpa/mlx5: Fix is_index_valid() to refer to features
Make sure the decision whether an index received through a callback is
valid or not consults the negotiated features.
The motivation for this was due to a case encountered where I shut down
the VM. After the reset operation was called features were already
clear, I got get_vq_state() call which caused out array bounds
access since is_index_valid() reported the index value.
So this is more of not hit a bug since the call shouldn't have been made
first place.
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220111183400.38418-4-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Si-Wei Liu<si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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