mainline inclusion
from mainline-5.0
commit d60667fc398e
category: bugfix
bugzilla: 12231
CVE: NA

-------------------------------------------------

If the notifier runs after the security context is freed an access of
freed memory can occur.

Fixes: 47a2b338 ("IB/core: Enforce security on management datagrams")
Signed-off-by: NDaniel Jurgens <danielj@mellanox.com>
Reviewed-by: NParav Pandit <parav@mellanox.com>
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: NZhiqiang Liu <liuzhiqiang26@huawei.com>
Reviewed-by: NWenan Mao <maowenan@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>