Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Subject: Re: [PATCH v2] net: hso: fix null-ptr-deref during tty device
 unregistration
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <161783402883.11274.17007849600420610230.git-patchwork-notify@kernel.org>
Date:   Wed, 07 Apr 2021 22:20:28 +0000
References: <20210407172726.29706-1-mail@anirudhrb.com>
In-Reply-To: <20210407172726.29706-1-mail@anirudhrb.com>
To:     Anirudh Rayabharam <mail@anirudhrb.com>
Cc:     davem@davemloft.net, kuba@kernel.org, oneukum@suse.com,
        gregkh@linuxfoundation.org, geert@linux-m68k.org,
        zhengyongjun3@huawei.com, rkovhaev@gmail.com, kernel@esmil.dk,
        jgarzik@redhat.com, alan@lxorguk.ukuu.org.uk,
        syzbot+c49fe6089f295a05e6f8@syzkaller.appspotmail.com,
        linux-usb@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

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

On Wed,  7 Apr 2021 22:57:22 +0530 you wrote:
> Multiple ttys try to claim the same the minor number causing a double
> unregistration of the same device. The first unregistration succeeds
> but the next one results in a null-ptr-deref.
> 
> The get_free_serial_index() function returns an available minor number
> but doesn't assign it immediately. The assignment is done by the caller
> later. But before this assignment, calls to get_free_serial_index()
> would return the same minor number.
> 
> [...]

Here is the summary with links:
  - [v2] net: hso: fix null-ptr-deref during tty device unregistration
    https://git.kernel.org/netdev/net/c/8a12f8836145

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html