diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2017-02-21 11:21:57 -0800 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-05-17 15:06:59 -0400 |
| commit | f90e6f9a26babaab61dacf11976487334e98595a (patch) | |
| tree | e423b29a9fd58ccaf30da117804e6be1328939ac /drivers/infiniband | |
| parent | a60c9ff335a19c91162f95fa8558f7c1318c7aa4 (diff) | |
rdma_cm: fail iwarp accepts w/o connection params
[ Upstream commit f2625f7db4dd0bbd16a9c7d2950e7621f9aa57ad ]
cma_accept_iw() needs to return an error if conn_params is NULL.
Since this is coming from user space, we can crash.
Reported-by: Shaobo He <shaobo@cs.utah.edu>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Cc: stable@vger.kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 38ffe0981503..de1c8a78374e 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2962,6 +2962,9 @@ static int cma_accept_iw(struct rdma_id_private *id_priv, struct iw_cm_conn_param iw_param; int ret; + if (!conn_param) + return -EINVAL; + ret = cma_modify_qp_rtr(id_priv, conn_param); if (ret) return ret; |