linux-kernel - Re: usercopy whitelist woe in scsi_sense

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Message-ID: <20180409093520.GB10405@lst.de>
Date:   Mon, 9 Apr 2018 11:35:20 +0200
From:   Christoph Hellwig <hch@....de>
To:     Oleksandr Natalenko <oleksandr@...alenko.name>
Cc:     Kees Cook <keescook@...omium.org>,
        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>, Jens Axboe <axboe@...nel.dk>,
        Hannes Reinecke <hare@...e.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        linux-block@...r.kernel.org, paolo.valente@...aro.org
Subject: Re: usercopy whitelist woe in scsi_sense_cache

I really can't make sense of that report.  And I'm also curious why
you think 17cb960f29c2 should change anything for that code path.