| Date | Wed, 21 Apr 2021 15:36:34 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH 036/190] Revert "vfio/mdev: Fix reference count leak in add_mdev_supported_type" |
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On Wed, Apr 21, 2021 at 02:58:31PM +0200, Greg Kroah-Hartman wrote: > This reverts commit aa8ba13cae3134b8ef1c1b6879f66372531da738. > > 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: Qiushi Wu <wu000273@umn.edu> > Cc: Cornelia Huck <cohuck@redhat.com> > Cc: Kirti Wankhede <kwankhede@nvidia.com> > Cc: Alex Williamson <alex.williamson@redhat.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > --- > drivers/vfio/mdev/mdev_sysfs.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
I recently audited all of this mdev stuff, the original patch is OK, though I would have written it with a goto. Please don't revert it.
Jason
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