tree d47f424393f797a944696af1cd06108a319ba46f
parent 78b1beb0998437107ed144b341fbe1252188916b
author Parav Pandit <parav@mellanox.com> 1506278790 +0300
committer Doug Ledford <dledford@redhat.com> 1506354443 -0400

IB/core: Fix qp_sec use after free access

When security_ib_alloc_security fails, qp->qp_sec memory is freed.
However ib_destroy_qp still tries to access this memory which result
in kernel crash. So its initialized to NULL to avoid such access.

Fixes: d291f1a65232 ("IB/core: Enforce PKey security on QPs")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>