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From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: Christoph Hellwig <hch@lst.de>
Cc: Kees Cook <keescook@chromium.org>,
	David Windsor <dave@nullcore.net>,
	"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	linux-scsi@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Jens Axboe <axboe@kernel.dk>, Hannes Reinecke <hare@suse.com>,
	Johannes Thumshirn <jthumshirn@suse.de>,
	linux-block@vger.kernel.org, paolo.valente@linaro.org
Subject: Re: usercopy whitelist woe in scsi_sense_cache
Date: Mon, 09 Apr 2018 17:54:33 +0200	[thread overview]
Message-ID: <20ba00cdfd1428aff13b7ea4cb42b03c@natalenko.name> (raw)
In-Reply-To: <20180409093520.GB10405@lst.de>

Hi.

09.04.2018 11:35, Christoph Hellwig wrote:
> I really can't make sense of that report.

Sorry, I have nothing to add there so far, I just see the symptom of 
something going wrong in the ioctl code path that is invoked by 
smartctl, but I have no idea what's the minimal environment to reproduce 
it. I'll try to collect more info.

> And I'm also curious why
> you think 17cb960f29c2 should change anything for that code path.

Maybe, I've just mis-read that code.

Regards,
   Oleksandr

  reply	other threads:[~2018-04-09 15:54 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-04 19:07 usercopy whitelist woe in scsi_sense_cache Oleksandr Natalenko
2018-04-04 20:21 ` Kees Cook
2018-04-04 20:44   ` Douglas Gilbert
2018-04-04 20:49   ` Oleksandr Natalenko
2018-04-04 21:25     ` Kees Cook
2018-04-04 21:34       ` Oleksandr Natalenko
2018-04-05  9:56       ` Oleksandr Natalenko
2018-04-05 14:21         ` Kees Cook
2018-04-05 14:32           ` Oleksandr Natalenko
2018-04-05 14:33             ` Oleksandr Natalenko
     [not found]               ` <CAGXu5jL8oLV2xvjBVYv_SNXr74LdgpXEmU7K+cLYpD7jh2chgw@mail.gmail.com>
2018-04-05 18:52                 ` Kees Cook
2018-04-06  6:21                   ` Oleksandr Natalenko
2018-04-08 19:07                   ` Oleksandr Natalenko
2018-04-09  9:35                     ` Christoph Hellwig
2018-04-09 15:54                       ` Oleksandr Natalenko [this message]
2018-04-09 18:32                     ` Kees Cook
2018-04-09 19:02                       ` Oleksandr Natalenko
2018-04-09 20:30                         ` Kees Cook
2018-04-09 23:03                           ` Kees Cook
2018-04-10  6:35                           ` Oleksandr Natalenko
2018-04-10  6:53                             ` Kees Cook
2018-04-10 17:16                               ` Oleksandr Natalenko
2018-04-11  3:13                                 ` Kees Cook
2018-04-11 22:47                                   ` Kees Cook
2018-04-12  0:03                                     ` Kees Cook
2018-04-12 18:44                                       ` Kees Cook
2018-04-12 19:04                                         ` Oleksandr Natalenko
2018-04-12 22:01                                           ` Kees Cook
2018-04-12 22:47                                             ` Kees Cook
2018-04-13  3:02                                               ` Kees Cook
2018-04-16 20:44                                                 ` Kees Cook
2018-04-17  3:12                                                   ` Kees Cook
2018-04-17  9:19                                                     ` Oleksandr Natalenko
2018-04-17 16:25                                                       ` Kees Cook
2018-04-17 10:02                                                     ` James Bottomley
2018-04-17 16:30                                                       ` Kees Cook
2018-04-17 16:42                                                     ` Kees Cook
2018-04-17 16:46                                                       ` Jens Axboe
2018-04-17 20:03                                                     ` Kees Cook
2018-04-17 20:20                                                       ` Kees Cook
2018-04-17 20:25                                                         ` Kees Cook
2018-04-17 20:28                                                           ` Jens Axboe
2018-04-17 20:46                                                             ` Kees Cook
2018-04-17 21:25                                                               ` Kees Cook
2018-04-17 21:39                                                                 ` Jens Axboe
2018-04-17 21:47                                                                   ` Kees Cook
2018-04-17 21:48                                                                     ` Jens Axboe
2018-04-17 22:57                                                                       ` Jens Axboe
2018-04-17 23:06                                                                         ` Kees Cook
2018-04-17 23:12                                                                           ` Jens Axboe
2018-04-18  9:08                                                                         ` Paolo Valente
2018-04-18 14:30                                                                           ` Jens Axboe
2018-04-19  9:32                                                                             ` Paolo Valente
2018-04-20 20:23                                                                               ` Kees Cook
2018-04-20 20:41                                                                                 ` Oleksandr Natalenko
2018-04-21  8:43                                                                                 ` Paolo Valente
2018-04-17 21:55                                                                     ` Oleksandr Natalenko
2018-04-10 13:47                             ` Oleksandr Natalenko
2018-04-04 20:32 ` Kees Cook
2018-04-04 20:47   ` Douglas Gilbert

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