linux-kernel - Re: [PATCH net] rxrpc: Fix untrusted unsigned subtract

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Message-Id: 
 <175788061024.3540305.4709268954141059215.git-patchwork-notify@kernel.org>
Date: Sun, 14 Sep 2025 20:10:10 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: David Howells <dhowells@...hat.com>
Cc: dan.carpenter@...aro.org, netdev@...r.kernel.org,
 marc.dionne@...istor.com, kuba@...nel.org, davem@...emloft.net,
 edumazet@...gle.com, pabeni@...hat.com, horms@...nel.org,
 linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] rxrpc: Fix untrusted unsigned subtract

Hello:

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

On Fri, 12 Sep 2025 00:06:17 +0100 you wrote:
> Fix the following Smatch Smatch static checker warning:
> 
>    net/rxrpc/rxgk_app.c:65 rxgk_yfs_decode_ticket()
>    warn: untrusted unsigned subtract. 'ticket_len - 10 * 4'
> 
> by prechecking the length of what we're trying to extract in two places in
> the token and decoding for a response packet.
> 
> [...]

Here is the summary with links:
  - [net] rxrpc: Fix untrusted unsigned subtract
    https://git.kernel.org/netdev/net/c/2429a1976481

You are awesome, thank you!
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