linux-kernel - RE: [EXT] [PATCH] scsi: qla2xxx: fix some memory corruption

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Message-ID: <DM6PR18MB303455B3BC025E7F82469A4AD2BD9@DM6PR18MB3034.namprd18.prod.outlook.com>
Date:   Mon, 25 Jan 2021 09:52:27 +0000
From:   Saurav Kashyap <skashyap@...vell.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Nilesh Javali <njavali@...vell.com>
CC:     GR-QLogic-Storage-Upstream <GR-QLogic-Storage-Upstream@...vell.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Himanshu Madhani <himanshu.madhani@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: RE: [EXT] [PATCH] scsi: qla2xxx: fix some memory corruption

Hi Dan,
Thanks for a patch.

> -----Original Message-----
> From: Dan Carpenter <dan.carpenter@...cle.com>
> Sent: Monday, January 25, 2021 2:14 PM
> To: Nilesh Javali <njavali@...vell.com>
> Cc: GR-QLogic-Storage-Upstream <GR-QLogic-Storage-
> Upstream@...vell.com>; James E.J. Bottomley <jejb@...ux.ibm.com>;
> Martin K. Petersen <martin.petersen@...cle.com>; Himanshu Madhani
> <himanshu.madhani@...cle.com>; Saurav Kashyap
> <skashyap@...vell.com>; linux-scsi@...r.kernel.org; linux-
> kernel@...r.kernel.org; kernel-janitors@...r.kernel.org
> Subject: [EXT] [PATCH] scsi: qla2xxx: fix some memory corruption
> 
> External Email
> 
> ----------------------------------------------------------------------
> This was supposed to be "data" instead of "&data".  The current code
> will corrupt the stack.
> 
> Fixes: dbf1f53cfd23 ("scsi: qla2xxx: Implementation to get and manage host,
> target stats and initiator port")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---
>  drivers/scsi/qla2xxx/qla_bsg.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
> index e45da05383cd..bee8cf9f8123 100644
> --- a/drivers/scsi/qla2xxx/qla_bsg.c
> +++ b/drivers/scsi/qla2xxx/qla_bsg.c
> @@ -2667,7 +2667,7 @@ qla2x00_get_tgt_stats(struct bsg_job *bsg_job)
> 
>  		bsg_reply->reply_payload_rcv_len =
>  			sg_copy_from_buffer(bsg_job-
> >reply_payload.sg_list,
> -					    bsg_job->reply_payload.sg_cnt,
> &data,
> +					    bsg_job->reply_payload.sg_cnt,
> data,
>  					    sizeof(struct
> ql_vnd_tgt_stats_resp));
> 
>  		bsg_reply->result = DID_OK;
> --

Acked-by: Saurav Kashyap <skashyap@...vell.com>


> 2.29.2