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Commit cd52cb26 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Doug Ledford
Browse files

iser-target: Fix possible use-after-free in connection establishment error 



In case we fail to establish the connection we must drain our pre-posted
login recieve work request before continuing safely with connection
teardown.

Fixes: a060b562 ("IB/core: generic RDMA READ/WRITE API")
Cc: <stable@vger.kernel.org> # 4.7+
Reported-by: default avatarAmrani, Ram <Ram.Amrani@cavium.com>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent a1ffa467

drivers/infiniband/ulp/isert/ib_isert.c

+1 −0
Original line number Diff line number Diff line
@@ -741,6 +741,7 @@ isert_connect_error(struct rdma_cm_id *cma_id) 
{

	struct isert_conn *isert_conn = cma_id->qp->qp_context;



	ib_drain_qp(isert_conn->qp);

	list_del_init(&isert_conn->node);

	isert_conn->cm_id = NULL;

	isert_put_conn(isert_conn);