linux-kernel - Re: [PATCH 037/190] Revert "RDMA/core: Fix several reference count leaks."

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Message-ID: <20210421141444.GL1370958@nvidia.com>
Date:   Wed, 21 Apr 2021 11:14:44 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Qiushi Wu <wu000273@....edu>
Subject: Re: [PATCH 037/190] Revert "RDMA/core: Fix several reference count
 leaks."

On Wed, Apr 21, 2021 at 02:58:32PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit 0b8e125e213204508e1b3c4bdfe69713280b7abd.
> 
> 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: https
> Cc: Qiushi Wu <wu000273@....edu>
> Cc: Jason Gunthorpe <jgg@...lanox.com>
> Cc: Jason Gunthorpe <jgg@...lanox.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>  drivers/infiniband/core/sysfs.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

The original commit is certainly moving things closer to being correct
but I'm concerned the entire area is still not bug free, it will take
me some time to check the whole code. Reverting seems reasonable for
now

Jason