linux-kernel - Re: [PATCH net] inet_diag: Initialize pad field in struct inet_diag_req

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Message-Id: 
 <172009982983.30398.11491339248404155106.git-patchwork-notify@kernel.org>
Date: Thu, 04 Jul 2024 13:30:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Shigeru Yoshida <syoshida@...hat.com>
Cc: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, syzkaller@...glegroups.com
Subject: Re: [PATCH net] inet_diag: Initialize pad field in struct
 inet_diag_req_v2

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Wed,  3 Jul 2024 18:16:49 +0900 you wrote:
> KMSAN reported uninit-value access in raw_lookup() [1]. Diag for raw
> sockets uses the pad field in struct inet_diag_req_v2 for the
> underlying protocol. This field corresponds to the sdiag_raw_protocol
> field in struct inet_diag_req_raw.
> 
> inet_diag_get_exact_compat() converts inet_diag_req to
> inet_diag_req_v2, but leaves the pad field uninitialized. So the issue
> occurs when raw_lookup() accesses the sdiag_raw_protocol field.
> 
> [...]

Here is the summary with links:
  - [net] inet_diag: Initialize pad field in struct inet_diag_req_v2
    https://git.kernel.org/netdev/net/c/61cf1c739f08

You are awesome, thank you!
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