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From: Mimi Zohar <zohar@kernel.org>
To: Scott Branden <scott.branden@broadcom.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	David Brown <david.brown@linaro.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Shuah Khan <shuah@kernel.org>,
	bjorn.andersson@linaro.org,
	Shuah Khan <skhan@linuxfoundation.org>,
	Arnd Bergmann <arnd@arndb.de>
Cc: "Rafael J . Wysocki" <rafael@kernel.org>,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
	Olof Johansson <olof@lixom.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Colin Ian King <colin.king@canonical.com>,
	Kees Cook <keescook@chromium.org>, Takashi Iwai <tiwai@suse.de>,
	linux-kselftest@vger.kernel.org, Andy Gross <agross@kernel.org>
Subject: Re: [PATCH v5 0/7] firmware: add partial read support in request_firmware_into_buf
Date: Wed, 13 May 2020 12:23:59 -0400	[thread overview]
Message-ID: <1589387039.5098.147.camel@kernel.org> (raw)
In-Reply-To: <20200508002739.19360-1-scott.branden@broadcom.com>

Hi Scott,

On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
> Please consider this version series ready for upstream acceptance.
> 
> This patch series adds partial read support in request_firmware_into_buf.
> In order to accept the enhanced API it has been requested that kernel
> selftests and upstreamed driver utilize the API enhancement and so
> are included in this patch series.
> 
> Also in this patch series is the addition of a new Broadcom VK driver
> utilizing the new request_firmware_into_buf enhanced API.

Up to now, the firmware blob was read into memory allowing IMA to
verify the file signature.  With this change, ima_post_read_file()
will not be able to verify the file signature.

(I don't think any of the other LSMs are on this hook, but you might
want to Cc the LSM or integrity mailing list.)

Mimi

  parent reply	other threads:[~2020-05-13 16:24 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-08  0:27 [PATCH v5 0/7] firmware: add partial read support in request_firmware_into_buf Scott Branden
2020-05-08  0:27 ` [PATCH v5 1/7] fs: introduce kernel_pread_file* support Scott Branden
2020-05-13  0:27   ` Luis Chamberlain
2020-05-13  6:23     ` Scott Branden
2020-05-13  6:51       ` Greg Kroah-Hartman
2020-05-13  8:16         ` Scott Branden
2020-05-13 18:39   ` Mimi Zohar
2020-05-13 18:53     ` Scott Branden
2020-05-13 18:57       ` Scott Branden
2020-05-13 19:03       ` Mimi Zohar
2020-05-13 19:18         ` Scott Branden
2020-05-13 19:39           ` Mimi Zohar
2020-05-13 19:41             ` Scott Branden
2020-05-13 21:20               ` Mimi Zohar
2020-05-13 21:28                 ` Luis Chamberlain
2020-05-13 22:12                   ` Mimi Zohar
2020-05-13 22:48                     ` Scott Branden
2020-05-13 23:00                       ` Mimi Zohar
2020-05-13 23:34                         ` Kees Cook
2020-05-13 23:58                           ` Mimi Zohar
2020-05-08  0:27 ` [PATCH v5 2/7] firmware: add offset to request_firmware_into_buf Scott Branden
2020-05-13  0:33   ` Luis Chamberlain
2020-05-13 18:35     ` Scott Branden
2020-05-15 20:44       ` Luis Chamberlain
2020-05-08  0:27 ` [PATCH v5 3/7] test_firmware: add partial read support for request_firmware_into_buf Scott Branden
2020-05-13  0:35   ` Luis Chamberlain
2020-05-08  0:27 ` [PATCH v5 4/7] firmware: test partial file reads of request_firmware_into_buf Scott Branden
2020-05-08  0:27 ` [PATCH v5 5/7] bcm-vk: add bcm_vk UAPI Scott Branden
2020-05-08  0:27 ` [PATCH v5 6/7] misc: bcm-vk: add Broadcom VK driver Scott Branden
2020-05-13  0:38   ` Luis Chamberlain
2020-05-13  6:31     ` Scott Branden
2020-05-13  6:50       ` Greg Kroah-Hartman
2020-05-13 12:30         ` Luis Chamberlain
2020-05-13 18:39           ` Scott Branden
2020-05-08  0:27 ` [PATCH v5 7/7] MAINTAINERS: bcm-vk: add maintainer for Broadcom VK Driver Scott Branden
2020-05-13 16:23 ` Mimi Zohar [this message]
2020-05-15 20:47   ` [PATCH v5 0/7] firmware: add partial read support in request_firmware_into_buf Luis Chamberlain
2020-05-15 23:28     ` Scott Branden
2020-05-16  1:05       ` Luis Chamberlain

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