From: Al Viro <viro@ZenIV.linux.org.uk>
To: Jens Axboe <axboe@kernel.dk>
Cc: dgilbert@interlog.com, Jann Horn <jannh@google.com>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org,
kernel-hardening@lists.openwall.com, security@kernel.org
Subject: Re: [PATCH] sg, bsg: mitigate read/write abuse, block uaccess in release
Date: Mon, 18 Jun 2018 17:16:58 +0100 [thread overview]
Message-ID: <20180618161657.GP30522@ZenIV.linux.org.uk> (raw)
In-Reply-To: <813e817b-bb2f-4a47-6225-9e39f19be278@kernel.dk>
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 The folks responsible are no longer active in kernel development ***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...?
next prev parent reply other threads:[~2018-06-18 16:16 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-15 15:23 [PATCH] sg, bsg: mitigate read/write abuse, block uaccess in release Jann Horn
2018-06-15 16:40 ` Al Viro
2018-06-15 16:44 ` Jann Horn
2018-06-15 16:53 ` Al Viro
2018-06-15 17:10 ` Al Viro
2018-06-15 17:13 ` Jann Horn
2018-06-15 20:47 ` Douglas Gilbert
2018-06-18 15:26 ` Benjamin Block
2018-06-18 15:26 ` Benjamin Block
2018-06-18 15:37 ` Jens Axboe
2018-06-18 16:16 ` Al Viro [this message]
2018-06-18 16:23 ` Jens Axboe
2018-06-21 12:34 ` Christoph Hellwig
2018-06-21 12:34 ` Christoph Hellwig
2018-06-21 12:51 ` Jann Horn
2018-06-21 13:03 ` Christoph Hellwig
2018-06-21 14:07 ` Jens Axboe
2018-07-08 14:58 ` Christoph Hellwig
2018-07-10 20:53 ` Jann Horn
2018-07-11 6:33 ` Christoph Hellwig
2018-06-15 16:49 ` Al Viro
2018-06-15 16:58 ` Jann Horn
2018-06-15 17:02 ` Jann Horn
2018-06-21 12:40 ` Christoph Hellwig
2018-06-21 12:54 ` Jann Horn
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