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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Selvin Xavier <selvin.xavier@broadcom.com>
Cc: dledford@redhat.com, linux-rdma@vger.kernel.org
Subject: Re: [PATCH for-rc] RDMA/bnxt_re: Fix stack-out-of-bounds in bnxt_qplib_rcfw_send_message
Date: Thu, 15 Aug 2019 10:07:40 -0300	[thread overview]
Message-ID: <20190815130740.GE21596@ziepe.ca> (raw)
In-Reply-To: <1565869477-19306-1-git-send-email-selvin.xavier@broadcom.com>

On Thu, Aug 15, 2019 at 04:44:37AM -0700, Selvin Xavier wrote:
> @@ -583,7 +584,7 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
>  	req.eventq_id = cpu_to_le16(srq->eventq_hw_ring_id);
>  
>  	rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
> -					  (void *)&resp, NULL, 0);
> +					  (void *)&resp, sizeof(req), NULL, 0);

I really don't like seeing casts to void * in code. Why can't you
properly embed the header in the structs??

Jason

  reply	other threads:[~2019-08-15 13:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15 11:44 [PATCH for-rc] RDMA/bnxt_re: Fix stack-out-of-bounds in bnxt_qplib_rcfw_send_message Selvin Xavier
2019-08-15 13:07 ` Jason Gunthorpe [this message]
2019-08-16  4:52   ` Selvin Xavier
2019-08-16 12:00     ` Jason Gunthorpe
2019-08-19  8:12       ` Selvin Xavier
2019-08-20 17:13         ` Doug Ledford
2019-08-21 11:11           ` Selvin Xavier
2019-08-22  9:42             ` Selvin Xavier

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