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Message-ID: <636075e9-8902-6909-1a7d-8dfdc395d67d@kernel.org>
Date:   Sun, 10 Apr 2022 19:11:31 -0600
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Subject: Re: [PATCH net] ipv6: fix panic when forwarding a pkt with no in6 dev
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To:     Nicolas Dichtel <nicolas.dichtel@6wind.com>,
        Eric Dumazet <edumazet@google.com>,
        kongweibin <kongweibin2@huawei.com>
Cc:     David Miller <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Willem de Bruijn <willemb@google.com>,
        Pavel Begunkov <asml.silence@gmail.com>,
        Vasily Averin <vvs@virtuozzo.com>,
        Martin KaFai Lau <kafai@fb.com>,
        LKML <linux-kernel@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>, rose.chen@huawei.com,
        liaichun@huawei.com, stable@vger.kernel.org
References: <59150cd5-9950-2479-a992-94dcdaa5e63c@6wind.com>
 <20220408140342.19311-1-nicolas.dichtel@6wind.com>
From:   David Ahern <dsahern@kernel.org>
In-Reply-To: <20220408140342.19311-1-nicolas.dichtel@6wind.com>
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On 4/8/22 8:03 AM, Nicolas Dichtel wrote:
> kongweibin reported a kernel panic in ip6_forward() when input interface
> has no in6 dev associated.
> 
> The following tc commands were used to reproduce this panic:
> tc qdisc del dev vxlan100 root
> tc qdisc add dev vxlan100 root netem corrupt 5%
> 
> CC: stable@vger.kernel.org
> Fixes: ccd27f05ae7b ("ipv6: fix 'disable_policy' for fwd packets")
> Reported-by: kongweibin <kongweibin2@huawei.com>
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
> ---
> 

Reviewed-by: David Ahern <dsahern@kernel.org>