redonkable/alistair23-linux
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iser-target: Fix possible use-after-free in connection establishment error

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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: a060b5629a ("IB/core: generic RDMA READ/WRITE API")
Cc: <stable@vger.kernel.org> # 4.7+
Reported-by: Amrani, Ram <Ram.Amrani@cavium.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2017-11-26 15:31:04 +02:00 committed by Doug Ledford
parent a1ffa4670c
commit cd52cb26e7
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/ulp/isert/ib_isert.c
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@ -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);