| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 27/89] iser-target: Fix possible use-after-free in connection establishment error | Date | Mon, 22 Jan 2018 09:45:07 +0100 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: Sagi Grimberg <sagi@grimberg.me>
commit cd52cb26e7ead5093635e98e07e221e4df482d34 upstream.
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: a060b5629ab0 ("IB/core: generic RDMA READ/WRITE API") Reported-by: Amrani, Ram <Ram.Amrani@cavium.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/infiniband/ulp/isert/ib_isert.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -741,6 +741,7 @@ isert_connect_error(struct rdma_cm_id *c { 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);
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