linux-kernel - Re: [PATCH 076/190] Revert "net: ixgbevf: fix a missing check of ixgbevf_write_msg_read

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Date:   Wed, 28 Apr 2021 07:31:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Kangjie Lu <kjlu@....edu>,
        Andrew Bowers <andrewx.bowers@...el.com>,
        Mukesh Ojha <mojha@...eaurora.org>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: Re: [PATCH 076/190] Revert "net: ixgbevf: fix a missing check of
 ixgbevf_write_msg_read_ack"

On Wed, Apr 21, 2021 at 02:59:11PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit 20d437ee8f4899573e6ea76c06ef0206e98bccb6.
> 
> 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@....edu>
> Cc: Andrew Bowers <andrewx.bowers@...el.com>
> Cc: Mukesh Ojha <mojha@...eaurora.org>
> Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>  drivers/net/ethernet/intel/ixgbevf/vf.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
> index bfe6dfcec4ab..501823f2d1c0 100644
> --- a/drivers/net/ethernet/intel/ixgbevf/vf.c
> +++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
> @@ -508,8 +508,9 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
>  		vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr);
>  	}
>  
> -	return ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
> -			IXGBE_VFMAILBOX_SIZE);
> +	ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, IXGBE_VFMAILBOX_SIZE);
> +
> +	return 0;
>  }
>  
>  /**
> -- 
> 2.31.1
> 

This commit is fine, I'll drop the revert.

greg k-h