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Date: Wed, 17 Jun 2026 16:32:52 +0800
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Subject: Re: [PATCH net] ipv6: ndisc: fix NULL deref in accept_untracked_na()
To: Weiming Shi <bestswngs@gmail.com>, "David S . Miller"
 <davem@davemloft.net>, David Ahern <dsahern@kernel.org>,
 Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
 Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, Xiang Mei <xmei5@asu.edu>
References: <20260617065512.2529757-2-bestswngs@gmail.com>
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From: Jiayuan Chen <jiayuan.chen@linux.dev>
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On 6/17/26 2:55 PM, Weiming Shi wrote:
> accept_untracked_na() re-fetches the inet6_dev with __in6_dev_get(dev)
> and dereferences idev->cnf.accept_untracked_na without a NULL check,


Does ipv6_rpl_srh_rcv have same problem?