linux-kernel - Re: [PATCH] net/smc: Fix possible leaked pernet namespace in smc

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Date:   Thu, 03 Nov 2022 03:50:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Chen Zhongjin <chenzhongjin@...wei.com>
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, kgraul@...ux.ibm.com, wenjia@...ux.ibm.com,
        jaka@...ux.ibm.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, guvenc@...ux.ibm.com
Subject: Re: [PATCH] net/smc: Fix possible leaked pernet namespace in smc_init()

Hello:

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

On Tue, 1 Nov 2022 17:37:22 +0800 you wrote:
> In smc_init(), register_pernet_subsys(&smc_net_stat_ops) is called
> without any error handling.
> If it fails, registering of &smc_net_ops won't be reverted.
> And if smc_nl_init() fails, &smc_net_stat_ops itself won't be reverted.
> 
> This leaves wild ops in subsystem linkedlist and when another module
> tries to call register_pernet_operations() it triggers page fault:
> 
> [...]

Here is the summary with links:
  - net/smc: Fix possible leaked pernet namespace in smc_init()
    https://git.kernel.org/netdev/net/c/62ff373da253

You are awesome, thank you!
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