linux-kernel - Re: [PATCH v3] net: tun: Fix use-after-free in tun

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Message-Id: <166972141476.8787.4197826127657020730.git-patchwork-notify@kernel.org>
Date:   Tue, 29 Nov 2022 11:30:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Shigeru Yoshida <syoshida@...hat.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        jasowang@...hat.com,
        syzbot+106f9b687cd64ee70cd1@...kaller.appspotmail.com
Subject: Re: [PATCH v3] net: tun: Fix use-after-free in tun_detach()

Hello:

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

On Fri, 25 Nov 2022 02:51:34 +0900 you wrote:
> syzbot reported use-after-free in tun_detach() [1].  This causes call
> trace like below:
> 
> ==================================================================
> BUG: KASAN: use-after-free in notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
> Read of size 8 at addr ffff88807324e2a8 by task syz-executor.0/3673
> 
> [...]

Here is the summary with links:
  - [v3] net: tun: Fix use-after-free in tun_detach()
    https://git.kernel.org/netdev/net/c/5daadc86f27e

You are awesome, thank you!
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