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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= , David Ahern , Jay Vosburgh , Andrew Lunn , Fernando Fernandez Mancera , bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net 3/3] net: bonding: Fix nd_tbl NULL dereference when IPv6 is disabled Message-ID: References: <20260228-net-nd_tbl_fixes-v1-0-2b2a274df9bb@suse.com> <20260228-net-nd_tbl_fixes-v1-3-2b2a274df9bb@suse.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260228-net-nd_tbl_fixes-v1-3-2b2a274df9bb@suse.com> On Sat, Feb 28, 2026 at 02:46:28PM -0300, Ricardo B. Marlière wrote: > When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never If it's booting without ipv6 module, maybe we can use ipv6_mod_enabled() to stop ns validation early. e.g diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index a1de08ee3815..be9e01ddd6ac 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3372,7 +3372,7 @@ int bond_rcv_validate(const struct sk_buff *skb, struct bonding *bond, } else if (is_arp) { return bond_arp_rcv(skb, bond, slave); #if IS_ENABLED(CONFIG_IPV6) - } else if (is_ipv6) { + } else if (is_ipv6 && ipv6_mod_enabled()) { return bond_na_rcv(skb, bond, slave); #endif } else { Thanks Hangbin