From: Ofir Bitton <[email protected]> User input must be validated before using it to access internal structures.
Signed-off-by: Ofir Bitton <[email protected]> Reviewed-by: Oded Gabbay <[email protected]> Signed-off-by: Oded Gabbay <[email protected]> --- drivers/misc/habanalabs/common/command_submission.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index b9840e368eb5..2e3fcbc794db 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -808,6 +808,14 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, /* currently it is guaranteed to have only one chunk */ chunk = &cs_chunk_array[0]; + + if (chunk->queue_index >= hdev->asic_prop.max_queues) { + dev_err(hdev->dev, "Queue index %d is invalid\n", + chunk->queue_index); + rc = -EINVAL; + goto free_cs_chunk_array; + } + q_idx = chunk->queue_index; hw_queue_prop = &hdev->asic_prop.hw_queues_props[q_idx]; q_type = hw_queue_prop->type; -- 2.17.1
