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SubjectRe: [PATCH 177/190] Revert "hwmon: (lm80) fix a missing check of bus read in lm80 probe"
On Wed, Apr 21, 2021 at 07:03:42AM -0700, Guenter Roeck wrote:
> On 4/21/21 6:00 AM, Greg Kroah-Hartman wrote:
> > This reverts commit 9aa3aa15f4c2f74f47afd6c5db4b420fadf3f315.
> >
> > Commits from @umn.edu addresses have been found to be submitted in "bad
> > faith" to try to test the kernel community's ability to review "known
> > malicious" changes. The result of these submissions can be found in a
> > paper published at the 42nd IEEE Symposium on Security and Privacy
> > entitled, "Open Source Insecurity: Stealthily Introducing
> > Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> > of Minnesota) and Kangjie Lu (University of Minnesota).
> >
> > Because of this, all submissions from this group must be reverted from
> > the kernel tree and will need to be re-reviewed again to determine if
> > they actually are a valid fix. Until that work is complete, remove this
> > change to ensure that no problems are being introduced into the
> > codebase.
> >
> > Cc: Kangjie Lu <kjlu@umn.edu>
> > Cc: Guenter Roeck <linux@roeck-us.net>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> Acked-by: Guenter Roeck <linux@roeck-us.net>
>
> I don't immediately see a problem with this patch, but the other patch
> introduced at the same time by the same author was indeed malicious,
> and the bug it introduced was easy to overlook, so I agree that
> this patch should be reverted.
>
> [ When introducing error handling into this probe function, errors
> in lm80_init_client() should be addressed as well. This patch did
> not do that and thus had limited value anyway. ]

Thanks for the review!

greg k-h

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