linux-kernel - Re: [PATCH v2] net: atlantic: Avoid out-of-bounds indexing

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Date:   Sat, 09 Apr 2022 03:40:12 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     irusskikh@...vell.com, davem@...emloft.net, kuba@...nel.org,
        mario.limonciello@....com, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: atlantic: Avoid out-of-bounds indexing

Hello:

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

On Fri,  8 Apr 2022 10:22:04 +0800 you wrote:
> UBSAN warnings are observed on atlantic driver:
> [ 294.432996] UBSAN: array-index-out-of-bounds in /build/linux-Qow4fL/linux-5.15.0/drivers/net/ethernet/aquantia/atlantic/aq_nic.c:484:48
> [ 294.433695] index 8 is out of range for type 'aq_vec_s *[8]'
> 
> The ring is dereferenced right before breaking out the loop, to prevent
> that from happening, only use the index in the loop to fix the issue.
> 
> [...]

Here is the summary with links:
  - [v2] net: atlantic: Avoid out-of-bounds indexing
    https://git.kernel.org/netdev/net/c/8d3a6c37d50d

You are awesome, thank you!
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