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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <166986602283.2101055.16782427879240929714.b4-ty@oracle.com>
Date:   Thu,  1 Dec 2022 03:45:18 +0000
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        error27@...il.com, linux-kernel@...r.kernel.org,
        Douglas Gilbert <dgilbert@...erlog.com>,
        linux-scsi@...r.kernel.org, Hannes Reinecke <hare@...e.de>,
        harshit.m.mogalapalli@...il.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>
Subject: Re: [PATCH] scsi: scsi_debug: Fix a warning in resp_verify()

On Fri, 11 Nov 2022 23:00:31 -0800, Harshit Mogalapalli wrote:

> 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.
> 
> 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_verify()
      https://git.kernel.org/mkp/scsi/c/ed0f17b748b2

-- 
Martin K. Petersen	Oracle Linux Engineering