linux-kernel - Re: usercopy whitelist woe in scsi_sense

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Message-ID: <182097a2acc78285019d95d7e750be9e@natalenko.name>
Date:   Tue, 17 Apr 2018 23:55:48 +0200
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     Kees Cook <keescook@...omium.org>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Paolo Valente <paolo.valente@...aro.org>,
        Bart Van Assche <bart.vanassche@....com>,
        David Windsor <dave@...lcore.net>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Hannes Reinecke <hare@...e.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        linux-block@...r.kernel.org, keescook@...gle.com
Subject: Re: usercopy whitelist woe in scsi_sense_cache

Hi.

17.04.2018 23:47, Kees Cook wrote:
> I sent the patch anyway, since it's kind of a robustness improvement,
> I'd hope. If you fix BFQ also, please add:
> 
> Reported-by: Oleksandr Natalenko <oleksandr@...alenko.name>
> Root-caused-by: Kees Cook <keescook@...omium.org>
> 
> :) I gotta task-switch to other things!
> 
> Thanks for the pointers, and thank you Oleksandr for providing the 
> reproducer!

That was a great fun to read. Thank you for digging into it.

Regards,
   Oleksandr