diff options
| author | Konstantin Taranov <kotaranov@microsoft.com> | 2024-04-26 06:12:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-30 09:49:46 +0200 |
| commit | f12afddfb142587d786df9e3cc4862190d3e2ec8 (patch) | |
| tree | d3f3f43920fd214f68305532335437f93c633f61 | |
| parent | 19dbfaa0d127671f8ce505371eede383be195f39 (diff) | |
RDMA/mana_ib: boundary check before installing cq callbacks
[ Upstream commit f79edef79b6a2161f4124112f9b0c46891bb0b74 ]
Add a boundary check inside mana_ib_install_cq_cb to prevent index overflow.
Fixes: 2a31c5a7e0d8 ("RDMA/mana_ib: Introduce mana_ib_install_cq_cb helper function")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1714137160-5222-5-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/mana/cq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c index c9129218f1be..89fcc09ded8a 100644 --- a/drivers/infiniband/hw/mana/cq.c +++ b/drivers/infiniband/hw/mana/cq.c @@ -81,6 +81,8 @@ int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq) struct gdma_context *gc = mdev_to_gc(mdev); struct gdma_queue *gdma_cq; + if (cq->queue.id >= gc->max_num_cqs) + return -EINVAL; /* Create CQ table entry */ WARN_ON(gc->cq_table[cq->queue.id]); gdma_cq = kzalloc(sizeof(*gdma_cq), GFP_KERNEL); |