diff options
| author |   Steven <sluong@cisco.com> | 2017-02-03 09:30:37 -0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2017-02-03 18:57:50 +0000 |
| commit | 62411e7d82dc4562003651a53e723ea938be2ebd (patch) | |
| tree | 915e93bfd0efba5eef3165dea551f4eb52d129a5 /src/vnet/devices/virtio | |
| parent | e0cb0ccee10f1ce0e29c94acb3b4861f46c0879d (diff) | |
vhost-user: fix missing speculative enqueue unwind
Running trex in a VM with a bad config, trex sent a bogus pack from
the VM to the Virtual interface. It caused a crash.
Change-Id: I64d0197b444265553ab4c24f21e6a962e89cb587
Signed-off-by: Steven <sluong@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio')
| -rw-r--r-- | src/vnet/devices/virtio/vhost-user.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c index ac14286747a..9b8c18882ca 100644 --- a/src/vnet/devices/virtio/vhost-user.c +++ b/src/vnet/devices/virtio/vhost-user.c @@ -1677,6 +1677,10 @@ vhost_user_if_input (vlib_main_t * vm, if (PREDICT_FALSE (vum->cpus[cpu_index].rx_buffers_len == 0)) { + /* Cancel speculation */ + to_next--; + n_left_to_next++; + /* * Checking if there are some left buffers. * If not, just rewind the used buffers and stop. |