Commit ae1fe07f authored Jul 25, 2013 by Dan Carpenter Committed by Roland Dreier Jul 30, 2013

RDMA/cxgb4: Fix stack info leak in c4iw_create_qp()



"uresp.ma_sync_key" doesn't get set on this path so we leak 8 bytes of data.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

parent 3b2f64d0

drivers/infiniband/hw/cxgb4/qp.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1657,6 +1657,8 @@ struct ib_qp c4iw_create_qp(struct ib_pd pd, struct ib_qp_init_attr *attrs,
		if (mm5) {
		uresp.ma_sync_key = ucontext->key;
		ucontext->key += PAGE_SIZE;
		} else {
		uresp.ma_sync_key = 0;
		}
		uresp.sq_key = ucontext->key;
		ucontext->key += PAGE_SIZE;