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

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Message-ID: <yq1k03ir2hl.fsf@ca-mkp.ca.oracle.com>
Date:   Fri, 25 Nov 2022 19:19:58 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc:     error27@...il.com, harshit.m.mogalapalli@...il.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Hannes Reinecke <hare@...e.de>,
        Douglas Gilbert <dgilbert@...erlog.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: scsi_debug: Fix a warning in resp_verify()


Harshit,

> As 'vnum' is controlled by user, so 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.

Applied to 6.2/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering