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Miller" , Eric Dumazet , Paolo Abeni , Jiri Bohac , Liang Li , Nikolay Aleksandrov Subject: Re: [PATCHv2 net] bonding: alb: fix UAF in rlb_arp_recv during bond up/down Message-ID: References: <20260214091541.89659-1-liuhangbin@gmail.com> <20260217164355.7139ab53@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260217164355.7139ab53@kernel.org> On Tue, Feb 17, 2026 at 04:43:55PM -0800, Jakub Kicinski wrote: > On Sat, 14 Feb 2026 09:15:41 +0000 Hangbin Liu wrote: > > Fixes: e53665c6eaa6 ("bonding: delete migrated IP addresses from the rlb hash table") > > Ah, also AI says the issue existed already in > 3aba891dde38 ("bonding: move processing of recv handlers into > handle_frame()") > not the exact trapping instruction but the hash table was used from > recv_probe so at least a UAF would happen. Not sure if I understand correctly. Do you mean we still able to access rlb_arp_recv() after setting recv_probe to NULL? OK, that also count as UAF, even though not crash would happen. Thanks Hangbin