linux-kernel - Re: [PATCH net] tcp: restrict net.ipv4.tcp_app

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Message-Id: <168085501858.4864.5890586221086478006.git-patchwork-notify@kernel.org>
Date:   Fri, 07 Apr 2023 08:10:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, corbet@....net, dsahern@...nel.org,
        kuniyu@...zon.com, netdev@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] tcp: restrict net.ipv4.tcp_app_win

Hello:

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

On Thu, 6 Apr 2023 14:34:50 +0800 you wrote:
> UBSAN: shift-out-of-bounds in net/ipv4/tcp_input.c:555:23
> shift exponent 255 is too large for 32-bit type 'int'
> CPU: 1 PID: 7907 Comm: ssh Not tainted 6.3.0-rc4-00161-g62bad54b26db-dirty #206
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
> Call Trace:
>  <TASK>
>  dump_stack_lvl+0x136/0x150
>  __ubsan_handle_shift_out_of_bounds+0x21f/0x5a0
>  tcp_init_transfer.cold+0x3a/0xb9
>  tcp_finish_connect+0x1d0/0x620
>  tcp_rcv_state_process+0xd78/0x4d60
>  tcp_v4_do_rcv+0x33d/0x9d0
>  __release_sock+0x133/0x3b0
>  release_sock+0x58/0x1b0
> 
> [...]

Here is the summary with links:
  - [net] tcp: restrict net.ipv4.tcp_app_win
    https://git.kernel.org/netdev/net/c/dc5110c2d959

You are awesome, thank you!
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