linux-kernel - Re: [PATCH 5.10 09/38] llc: fix netdevice reference leaks in llc_ui

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Date:   Mon, 28 Mar 2022 11:37:07 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Pavel Machek <pavel@...x.de>, Jakub Kicinski <kuba@...nel.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Eric Dumazet <edumazet@...gle.com>,
        赵子轩 <beraphin@...il.com>,
        Stoyan Manolov <smanolov@...e.de>
Subject: Re: [PATCH 5.10 09/38] llc: fix netdevice reference leaks in
 llc_ui_bind()

Hi!

> > > > commit 2d327a79ee17 ("llc: only change llc->dev when bind() succeeds"),
> > > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=2d327a79ee176930dc72c131a970c891d367c1dc
> > > > 
> > > > Should be in mainline on Thursday, LMK if we need to accelerate.
> > > > IDK if anyone enables LLC2.
> > > 
> > > I'll queue this up now, thanks.
> > 
> > As the changelog says, this needs b37a46683739, otherwise there will
> > be oops-es in even more cases.
> 
> If you look at the change, I think I already handled that issue.  If
> not, please let me know.

Actually, AFAICT it will now oops even in the common (non-error) path
in llc_ui_autobind().

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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