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From: Jason Gunthorpe <jgg@nvidia.com>
To: Michael Bommarito <michael.bommarito@gmail.com>
Cc: Sagi Grimberg <sagi@grimberg.me>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, target-devel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IB/isert: reject login PDUs shorter than ISER_HEADERS_LEN
Date: Fri, 5 Jun 2026 13:18:28 -0300	[thread overview]
Message-ID: <20260605161828.GA2734548@nvidia.com> (raw)
In-Reply-To: <20260602194642.2273217-1-michael.bommarito@gmail.com>

On Tue, Jun 02, 2026 at 03:46:42PM -0400, Michael Bommarito wrote:
> @@ -1383,6 +1383,12 @@ isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc)
>  	ib_dma_sync_single_for_cpu(ib_dev, isert_conn->login_desc->dma_addr,
>  			ISER_RX_SIZE, DMA_FROM_DEVICE);
>  
> +	if (unlikely(wc->byte_len < ISER_HEADERS_LEN)) {
> +		isert_err("login request length %u is too short\n",
> +			  wc->byte_len);
> +		return;

I changed this to isert_dbg() since we don't want pre-auth log DOS
either.. Applied to for-rc

Thanks,
Jason

      reply	other threads:[~2026-06-05 16:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-02 19:46 [PATCH] IB/isert: reject login PDUs shorter than ISER_HEADERS_LEN Michael Bommarito
2026-06-05 16:18 ` Jason Gunthorpe [this message]

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