linux-kernel - Re: [PATCH] net: bnxt: fix a potential use-after-free in bnxt_init

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Message-Id: <170183462343.27566.10798748391554489332.git-patchwork-notify@kernel.org>
Date:   Wed, 06 Dec 2023 03:50:23 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Dinghao Liu <dinghao.liu@....edu.cn>
Cc:     michael.chan@...adcom.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        sriharsha.basavapatna@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: bnxt: fix a potential use-after-free in bnxt_init_tc

Hello:

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

On Mon,  4 Dec 2023 10:40:04 +0800 you wrote:
> When flow_indr_dev_register() fails, bnxt_init_tc will free
> bp->tc_info through kfree(). However, the caller function
> bnxt_init_one() will ignore this failure and call
> bnxt_shutdown_tc() on failure of bnxt_dl_register(), where
> a use-after-free happens. Fix this issue by setting
> bp->tc_info to NULL after kfree().
> 
> [...]

Here is the summary with links:
  - net: bnxt: fix a potential use-after-free in bnxt_init_tc
    https://git.kernel.org/netdev/net/c/d007caaaf052

You are awesome, thank you!
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