netdev - Re: [PATCH net] hsr: Fix uninit-value access in fill_frame

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Message-Id: 
 <169441745001.31104.15757238539479991787.git-patchwork-notify@kernel.org>
Date: Mon, 11 Sep 2023 07:30:50 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Ziyang Xuan (William) <william.xuanziyang@...wei.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, bigeasy@...utronix.de, netdev@...r.kernel.org,
 m-karicheri2@...com
Subject: Re: [PATCH net] hsr: Fix uninit-value access in fill_frame_info()

Hello:

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

On Fri, 8 Sep 2023 18:17:52 +0800 you wrote:
> Syzbot reports the following uninit-value access problem.
> 
> =====================================================
> BUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:601 [inline]
> BUG: KMSAN: uninit-value in hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616
>  fill_frame_info net/hsr/hsr_forward.c:601 [inline]
>  hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616
>  hsr_dev_xmit+0x192/0x330 net/hsr/hsr_device.c:223
>  __netdev_start_xmit include/linux/netdevice.h:4889 [inline]
>  netdev_start_xmit include/linux/netdevice.h:4903 [inline]
>  xmit_one net/core/dev.c:3544 [inline]
>  dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3560
>  __dev_queue_xmit+0x34d0/0x52a0 net/core/dev.c:4340
>  dev_queue_xmit include/linux/netdevice.h:3082 [inline]
>  packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
>  packet_snd net/packet/af_packet.c:3087 [inline]
>  packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119
>  sock_sendmsg_nosec net/socket.c:730 [inline]
>  sock_sendmsg net/socket.c:753 [inline]
>  __sys_sendto+0x781/0xa30 net/socket.c:2176
>  __do_sys_sendto net/socket.c:2188 [inline]
>  __se_sys_sendto net/socket.c:2184 [inline]
>  __ia32_sys_sendto+0x11f/0x1c0 net/socket.c:2184
>  do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
>  __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
>  do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
>  do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
>  entry_SYSENTER_compat_after_hwframe+0x70/0x82
> 
> [...]

Here is the summary with links:
  - [net] hsr: Fix uninit-value access in fill_frame_info()
    https://git.kernel.org/netdev/net/c/484b4833c604

You are awesome, thank you!
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