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Subject: Re: [PATCH v3] ip6mr: Fix skb_under_panic in ip6mr_cache_report()
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <169096922121.16759.10593210308395776255.git-patchwork-notify@kernel.org>
Date:   Wed, 02 Aug 2023 09:40:21 +0000
References: <20230801064318.34408-1-yuehaibing@huawei.com>
In-Reply-To: <20230801064318.34408-1-yuehaibing@huawei.com>
To:     Yue Haibing <yuehaibing@huawei.com>
Cc:     davem@davemloft.net, dsahern@kernel.org, edumazet@google.com,
        kuba@kernel.org, pabeni@redhat.com, yoshfuji@linux-ipv6.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        simon.horman@corigine.com
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Tue, 1 Aug 2023 14:43:18 +0800 you wrote:
> skbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4
>  head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg
>  ------------[ cut here ]------------
>  kernel BUG at net/core/skbuff.c:192!
>  invalid opcode: 0000 [#1] PREEMPT SMP KASAN
>  CPU: 2 PID: 22968 Comm: kworker/2:11 Not tainted 6.5.0-rc3-00044-g0a8db05b571a #236
>  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
>  Workqueue: ipv6_addrconf addrconf_dad_work
>  RIP: 0010:skb_panic+0x152/0x1d0
>  Call Trace:
>   <TASK>
>   skb_push+0xc4/0xe0
>   ip6mr_cache_report+0xd69/0x19b0
>   reg_vif_xmit+0x406/0x690
>   dev_hard_start_xmit+0x17e/0x6e0
>   __dev_queue_xmit+0x2d6a/0x3d20
>   vlan_dev_hard_start_xmit+0x3ab/0x5c0
>   dev_hard_start_xmit+0x17e/0x6e0
>   __dev_queue_xmit+0x2d6a/0x3d20
>   neigh_connected_output+0x3ed/0x570
>   ip6_finish_output2+0x5b5/0x1950
>   ip6_finish_output+0x693/0x11c0
>   ip6_output+0x24b/0x880
>   NF_HOOK.constprop.0+0xfd/0x530
>   ndisc_send_skb+0x9db/0x1400
>   ndisc_send_rs+0x12a/0x6c0
>   addrconf_dad_completed+0x3c9/0xea0
>   addrconf_dad_work+0x849/0x1420
>   process_one_work+0xa22/0x16e0
>   worker_thread+0x679/0x10c0
>   ret_from_fork+0x28/0x60
>   ret_from_fork_asm+0x11/0x20
> 
> [...]

Here is the summary with links:
  - [v3] ip6mr: Fix skb_under_panic in ip6mr_cache_report()
    https://git.kernel.org/netdev/net/c/30e0191b16e8

You are awesome, thank you!
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