linux-kernel - Re: [PATCH 0/4] staging: comedi: INSN_CONFIG_DIGITAL

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Message-ID: <20200720081927.GA688558@kroah.com>
Date:   Mon, 20 Jul 2020 10:19:27 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ian Abbott <abbotti@....co.uk>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] staging: comedi: INSN_CONFIG_DIGITAL_TRIG fixes

On Fri, Jul 17, 2020 at 03:52:53PM +0100, Ian Abbott wrote:
> These patches correct problems with INSN_CONFIG_DIGITAL_TRIG comedi
> configuration instructions in various comedi drivers, in particular the
> use of unconstrained bit shift amounts from userspace leading to
> undefined behaviour (although hopefully not the kernel crashy sort).
> 
> The patches have been marked for inclusion in the stable tree.  Note
> that patch 4 changes a similar area of code to Dan Carpenter's commit
> ef75e14a6c93 ("staging: comedi: verify array index is correct before
> using it"), so I have indicated it as a prerequisite.
> 
> *Note to Greg KH*: I have based these patches on your "staging-linus"
> branch due to the prerequisite ef75e14a6c93 mentioned above being
> present in neither "staging-next" nor "staging-testing" at the time of
> posting.

Thanks for the note, all now queued up to the proper branch.

greg k-h