netdev - Re: [PATCH net] net: sched: fix race condition in qdisc

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Message-Id: <166622701664.778.15488892117399826495.git-patchwork-notify@kernel.org>
Date:   Thu, 20 Oct 2022 00:50:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, xiyou.wangcong@...il.com,
        eric.dumazet@...il.com, syzkaller@...glegroups.com,
        dvyukov@...gle.com
Subject: Re: [PATCH net] net: sched: fix race condition in qdisc_graft()

Hello:

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

On Tue, 18 Oct 2022 20:32:58 +0000 you wrote:
> We had one syzbot report [1] in syzbot queue for a while.
> I was waiting for more occurrences and/or a repro but
> Dmitry Vyukov spotted the issue right away.
> 
> <quoting Dmitry>
> qdisc_graft() drops reference to qdisc in notify_and_destroy
> while it's still assigned to dev->qdisc
> </quoting>
> 
> [...]

Here is the summary with links:
  - [net] net: sched: fix race condition in qdisc_graft()
    https://git.kernel.org/netdev/net/c/ebda44da44f6

You are awesome, thank you!
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