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SubjectRe: [PATCH 045/190] Revert "usb: gadget: fix potential double-free in m66592_probe."
On Thu, Apr 22, 2021 at 02:43:15PM +0300, Felipe Balbi wrote:
> Greg Kroah-Hartman <gregkh@linuxfoundation.org> writes:
>
> > This reverts commit 44734a594196bf1d474212f38fe3a0d37a73278b.
> >
> > 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: Felipe Balbi <balbi@kernel.org>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> > drivers/usb/gadget/udc/m66592-udc.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c
> > index 931e6362a13d..75d16a8902e6 100644
> > --- a/drivers/usb/gadget/udc/m66592-udc.c
> > +++ b/drivers/usb/gadget/udc/m66592-udc.c
> > @@ -1667,7 +1667,7 @@ static int m66592_probe(struct platform_device *pdev)
> >
> > err_add_udc:
> > m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
> > - m66592->ep0_req = NULL;
>
> harmless, can be reverted and left reverted, I guess.

I'll drop it, thanks.

greg k-h

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