Commit 3256aaef authored by Vincent Stehlé's avatar Vincent Stehlé Committed by Sagi Grimberg

nvmet-rdma: Fix use after free

Avoid dereferencing the queue pointer in nvmet_rdma_release_queue_work()
after it has been freed by nvmet_rdma_free_queue().

Fixes: d8f7750a ("nvmet-rdma: Correctly handle RDMA device hot removal")
Signed-off-by: 's avatarVincent Stehlé <>
Cc: Sagi Grimberg <>
Cc: Christoph Hellwig <>
Signed-off-by: 's avatarSagi Grimberg <>
parent 39bbee4e
......@@ -978,10 +978,11 @@ static void nvmet_rdma_release_queue_work(struct work_struct *w)
container_of(w, struct nvmet_rdma_queue, release_work);
struct rdma_cm_id *cm_id = queue->cm_id;
struct nvmet_rdma_device *dev = queue->dev;
enum nvmet_rdma_queue_state state = queue->state;
if (queue->state != NVMET_RDMA_IN_DEVICE_REMOVAL)
kref_put(&dev->ref, nvmet_rdma_free_dev);
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