linux-kernel - Re: [PATCH] scsi: scsi_debug: Fix a warning in resp_report

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Message-Id: <166986602284.2101055.17478772586173934593.b4-ty@oracle.com>
Date:   Thu,  1 Dec 2022 03:45:17 +0000
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>,
        dgilbert@...erlog.com
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        error27@...il.com, linux-kernel@...r.kernel.org,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        linux-scsi@...r.kernel.org, harshit.m.mogalapalli@...il.com,
        Shin'ichiro Kawasaki <shinichiro.kawasaki@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>
Subject: Re: [PATCH] scsi: scsi_debug: Fix a warning in resp_report_zones()

On Fri, 11 Nov 2022 23:06:12 -0800, Harshit Mogalapalli wrote:

> As 'alloc_len' is user controlled data, if user tries to allocate memory
> larger than(>=) MAX_ORDER, then kcalloc() will fail, it creates a stack
> trace and messes up dmesg with a warning.
> 
> Add __GFP_NOWARN in order to avoid too large allocation warning.
> This is detected by static analysis using smatch.
> 
> [...]

Applied to 6.2/scsi-queue, thanks!

[1/1] scsi: scsi_debug: Fix a warning in resp_report_zones()
      https://git.kernel.org/mkp/scsi/c/07f2ca139d9a

-- 
Martin K. Petersen	Oracle Linux Engineering