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Date: Mon, 20 Jul 2026 18:18:22 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: zhangzl2013@126.com
Cc: Jay Vosburgh <jv@jvosburgh.net>, Andrew Lunn <andrew+netdev@lunn.ch>,
 "David S . Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Hangbin Liu
 <liuhangbin@gmail.com>, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, Qianheng Peng <pengqh1@chinatelecom.cn>,
 Zhaolong Zhang <zhangzl68@chinatelecom.cn>
Subject: Re: [PATCH net] bonding: fix devconf_all NULL dereference when IPv6
 is disabled
Message-ID: <20260720181822.20b0456b@kernel.org>
In-Reply-To: <20260707010622.487333-1-zhangzl2013@126.com>
References: <20260707010622.487333-1-zhangzl2013@126.com>
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On Tue,  7 Jul 2026 09:06:22 +0800 zhangzl2013@126.com wrote:
> When booting with the 'ipv6.disable=1' parameter, the devconf_all is
> never initialized because inet6_init() exits before addrconf_init() is
> called which initializes it. bond_send_validate(), however, will still
> call bond_ns_send_all() even ipv6 is indeed disabled. It will lead to
> NULL derefence of net->ipv6.devconf_all in ip6_pol_route().

Applied, thanks.