netdev - Re: [PATCH net-next] tcx: Fix splat in ingress_destroy upon tcx_entry

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Message-ID: <874jlta82u.fsf@nvidia.com>
Date: Mon, 24 Jul 2023 12:55:40 +0200
From: Petr Machata <petrm@...dia.com>
To: Daniel Borkmann <daniel@...earbox.net>
CC: <kuba@...nel.org>, <ast@...nel.org>, <bpf@...r.kernel.org>,
	<netdev@...r.kernel.org>,
	<syzbot+bdcf141f362ef83335cf@...kaller.appspotmail.com>,
	<syzbot+b202b7208664142954fa@...kaller.appspotmail.com>,
	<syzbot+14736e249bce46091c18@...kaller.appspotmail.com>
Subject: Re: [PATCH net-next] tcx: Fix splat in ingress_destroy upon
 tcx_entry_free


Daniel Borkmann <daniel@...earbox.net> writes:

> On qdisc destruction, the ingress_destroy() needs to update the correct
> entry, that is, tcx_entry_update must NULL the dev->tcx_ingress pointer.
> Therefore, fix the typo.
>
> Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")
> Reported-by: syzbot+bdcf141f362ef83335cf@...kaller.appspotmail.com
> Reported-by: syzbot+b202b7208664142954fa@...kaller.appspotmail.com
> Reported-by: syzbot+14736e249bce46091c18@...kaller.appspotmail.com
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>

Thanks!

Tested-by: Petr Machata <petrm@...dia.com>