linux-kernel - Re: [PATCH net] mlxfw: fix null-ptr-deref in mlxfw_mfa2_tlv

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Message-Id: <168182641983.28782.4983539968086574822.git-patchwork-notify@kernel.org>
Date:   Tue, 18 Apr 2023 14:00:19 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Nikita Zhandarovich <n.zhandarovich@...tech.ru>
Cc:     mlxsw@...dia.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org,
        n.petrova@...tech.ru
Subject: Re: [PATCH net] mlxfw: fix null-ptr-deref in mlxfw_mfa2_tlv_next()

Hello:

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

On Mon, 17 Apr 2023 05:07:18 -0700 you wrote:
> Function mlxfw_mfa2_tlv_multi_get() returns NULL if 'tlv' in
> question does not pass checks in mlxfw_mfa2_tlv_payload_get(). This
> behaviour may lead to NULL pointer dereference in 'multi->total_len'.
> Fix this issue by testing mlxfw_mfa2_tlv_multi_get()'s return value
> against NULL.
> 
> Found by Linux Verification Center (linuxtesting.org) with static
> analysis tool SVACE.
> 
> [...]

Here is the summary with links:
  - [net] mlxfw: fix null-ptr-deref in mlxfw_mfa2_tlv_next()
    https://git.kernel.org/netdev/net/c/c0e73276f0fc

You are awesome, thank you!
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