Date: Mon, 18 Jun 2018 17:16:58 +0100 From: Al Viro <viro@...IV.linux.org.uk> To: Jens Axboe <axboe@...nel.dk> Cc: dgilbert@...erlog.com, Jann Horn <jannh@...gle.com>, FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>, "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, linux-block@...r.kernel.org, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com, security@...nel.org Subject: Re: [PATCH] sg, bsg: mitigate read/write abuse, block uaccess in release On Mon, Jun 18, 2018 at 09:37:01AM -0600, Jens Axboe wrote: > > The folks responsible are no longer active in kernel development *** > > but as far as I know the async write(command), read(response) were > > added to bsg over 10 years ago as proof-of-concept and never properly > > worked in this async mode. The biggest design problem with it that I'm > > It was born with that mode, but I don't think anyone ever really used it. > So it might feasible to simply yank it. That said, just doing a prune > mode at ->release() time doesn't seem like such a hard task. "prune mode" being...?
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