linux-kernel - Re: [PATCH 092/190] Revert "power: charger-manager: fix a potential NULL pointer dereference"

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Message-ID: <YIglXcChwL4M78mz@kroah.com>
Date:   Tue, 27 Apr 2021 16:53:17 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     linux-kernel@...r.kernel.org, Kangjie Lu <kjlu@....edu>
Subject: Re: [PATCH 092/190] Revert "power: charger-manager: fix a potential
 NULL pointer dereference"

On Wed, Apr 21, 2021 at 06:02:48PM +0200, Sebastian Reichel wrote:
> Hi,
> 
> On Wed, Apr 21, 2021 at 02:59:27PM +0200, Greg Kroah-Hartman wrote:
> > This reverts commit 75cf4f5aa903604e1bd7bec2c0988d643c6fb946.
> > 
> > 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: Sebastian Reichel <sebastian.reichel@...labora.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > ---
> 
> Doing another review:
> 
> create_freezable_workqueue can return NULL when allocations fails
> and it is the first call in late init call, so it's fine to just
> exit with -ENOMEM.
> 
> I suggest to drop the revert.

Many thanks for doing the review, I have now dropped it.

greg k-h