| Message ID | 20240926143402.70354-1-qianqiang.liu@163.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | RDMA/nldev: Fix NULL pointer dereferences issue in rdma_nl_notify_event | expand |
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 39f89a4b8649..7dc8e2ec62cc 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -2816,6 +2816,8 @@ int rdma_nl_notify_event(struct ib_device *device, u32 port_num, nlh = nlmsg_put(skb, 0, 0, RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_MONITOR), 0, 0); + if (!nlh) + goto err_free; switch (type) { case RDMA_REGISTER_EVENT:
nlmsg_put() may return a NULL pointer assigned to nlh, which will later be dereferenced in nlmsg_end(). Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com> --- drivers/infiniband/core/nldev.c | 2 ++ 1 file changed, 2 insertions(+)