diff options
| author | Xie Yongji <xieyongji@bytedance.com> | 2021-04-12 17:55:12 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-04-22 18:15:31 -0400 |
| commit | a9d064524fc3cf463b3bb14fa63de78aafb40dab (patch) | |
| tree | c541b596e010de5d772b19f9e925a55170bce841 /init | |
| parent | bc04d93ea30a0a8eb2a2648b848cef35d1f6f798 (diff) | |
vhost-vdpa: protect concurrent access to vhost device iotlb
Protect vhost device iotlb by vhost_dev->mutex. Otherwise,
it might cause corruption of the list and interval tree in
struct vhost_iotlb if userspace sends the VHOST_IOTLB_MSG_V2
message concurrently.
Fixes: 4c8cf318("vhost: introduce vDPA-based backend")
Cc: stable@vger.kernel.org
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210412095512.178-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions