netdev - Re: [PATCH net] tipc: fix a null-ptr-deref in tipc_topsrv

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Date:   Fri, 21 Oct 2022 05:10:20 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Xin Long <lucien.xin@...il.com>
Cc:     netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        davem@...emloft.net, kuba@...nel.org, edumazet@...gle.com,
        pabeni@...hat.com, jmaloy@...hat.com, ying.xue@...driver.com
Subject: Re: [PATCH net] tipc: fix a null-ptr-deref in tipc_topsrv_accept

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 18 Oct 2022 15:19:50 -0400 you wrote:
> syzbot found a crash in tipc_topsrv_accept:
> 
>   KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
>   Workqueue: tipc_rcv tipc_topsrv_accept
>   RIP: 0010:kernel_accept+0x22d/0x350 net/socket.c:3487
>   Call Trace:
>    <TASK>
>    tipc_topsrv_accept+0x197/0x280 net/tipc/topsrv.c:460
>    process_one_work+0x991/0x1610 kernel/workqueue.c:2289
>    worker_thread+0x665/0x1080 kernel/workqueue.c:2436
>    kthread+0x2e4/0x3a0 kernel/kthread.c:376
>    ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
> 
> [...]

Here is the summary with links:
  - [net] tipc: fix a null-ptr-deref in tipc_topsrv_accept
    https://git.kernel.org/netdev/net/c/82cb4e4612c6

You are awesome, thank you!
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