d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

vhost: validate index in guest notification API

Browse Source 
This patch validates the queue index parameter, in order
to ensure neither out-of-bound accesses nor NULL pointer
dereferencing happen.

Fixes: 9eed6bfd2efb ("vhost: allow to enable or disable features")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
This commit is contained in:
Maxime Coquelin 2020-10-19 19:34:11 +02:00 committed by Ferruh Yigit
parent 8c042f8191
commit 366374054b
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/librte_vhost/vhost.c
View File

@ -1352,7 +1352,12 @@ rte_vhost_enable_guest_notification(int vid, uint16_t queue_id, int enable)
if (!dev)
return -1;
if (queue_id >= VHOST_MAX_VRING)
return -1;
vq = dev->virtqueue[queue_id];
if (!vq)
return -1;
rte_spinlock_lock(&vq->access_lock);