From: patchwork-bot+netdevbpf@kernel.org
To: Mat Martineau <mathew.j.martineau@linux.intel.com>
Cc: netdev@vger.kernel.org, liyonglong@chinatelecom.cn,
davem@davemloft.net, kuba@kernel.org,
matthieu.baerts@tessares.net, mptcp@lists.linux.dev,
stable@vger.kernel.org, pabeni@redhat.com
Subject: Re: [PATCH net] mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb
Date: Fri, 18 Mar 2022 21:20:12 +0000 [thread overview]
Message-ID: <164763841287.20195.16890121074112773780.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220317220953.426024-1-mathew.j.martineau@linux.intel.com>
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 17 Mar 2022 15:09:53 -0700 you wrote:
> From: Yonglong Li <liyonglong@chinatelecom.cn>
>
> Got crash when doing pressure test of mptcp:
>
> ===========================================================================
> dst_release: dst:ffffa06ce6e5c058 refcnt:-1
> kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
> BUG: unable to handle kernel paging request at ffffa06ce6e5c058
> PGD 190a01067 P4D 190a01067 PUD 43fffb067 PMD 22e403063 PTE 8000000226e5c063
> Oops: 0011 [#1] SMP PTI
> CPU: 7 PID: 7823 Comm: kworker/7:0 Kdump: loaded Tainted: G E
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.2.1 04/01/2014
> Call Trace:
> ? skb_release_head_state+0x68/0x100
> ? skb_release_all+0xe/0x30
> ? kfree_skb+0x32/0xa0
> ? mptcp_sendmsg_frag+0x57e/0x750
> ? __mptcp_retrans+0x21b/0x3c0
> ? __switch_to_asm+0x35/0x70
> ? mptcp_worker+0x25e/0x320
> ? process_one_work+0x1a7/0x360
> ? worker_thread+0x30/0x390
> ? create_worker+0x1a0/0x1a0
> ? kthread+0x112/0x130
> ? kthread_flush_work_fn+0x10/0x10
> ? ret_from_fork+0x35/0x40
> ===========================================================================
>
> [...]
Here is the summary with links:
- [net] mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb
https://git.kernel.org/netdev/net/c/3ef3905aa3b5
You are awesome, thank you!
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prev parent reply other threads:[~2022-03-18 21:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-17 22:09 [PATCH net] mptcp: Fix crash due to tcp_tsorted_anchor was initialized before release skb Mat Martineau
2022-03-18 21:20 ` patchwork-bot+netdevbpf [this message]
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