netdev - Re: [PATCH net] net_sched: fix NULL deref in fifo_set

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Message-Id: <163312620680.1491.6092676781691638992.git-patchwork-notify@kernel.org>
Date:   Fri, 01 Oct 2021 22:10:06 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        edumazet@...gle.com, syzkaller@...glegroups.com
Subject: Re: [PATCH net] net_sched: fix NULL deref in fifo_set_limit()

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu, 30 Sep 2021 14:22:39 -0700 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> syzbot reported another NULL deref in fifo_set_limit() [1]
> 
> I could repro the issue with :
> 
> unshare -n
> tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit
> tc qd replace dev lo parent 1:0 pfifo_fast
> tc qd change dev lo root handle 1:0 tbf limit 300000 burst 70000 rate 100Mbit
> 
> [...]

Here is the summary with links:
  - [net] net_sched: fix NULL deref in fifo_set_limit()
    https://git.kernel.org/netdev/net/c/560ee196fe9e

You are awesome, thank you!
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