From: Tony Lindgren <tony.lindgren@linux.intel.com>
To: Ruslan Valiyev <linuxoid@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Tony Lindgren <tony@atomide.com>,
Hugo Villeneuve <hvilleneuve@dimonoff.com>,
John Ogness <john.ogness@linutronix.de>,
Lukas Wunner <lukas@wunner.de>, Gerhard Engleder <eg@keba.com>,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com,
syzbot+9f57c1b2792029198fcf@syzkaller.appspotmail.com,
stable@vger.kernel.org
Subject: Re: [PATCH v2] serial: core: fix NULL pointer dereference in serial_core_unregister_port()
Date: Fri, 28 Aug 2026 10:10:42 +0300 [thread overview]
Message-ID: <apE0cj_mrXvmiT-s@tlindgre-MOBL1> (raw)
In-Reply-To: <20260826084654.1392851-1-linuxoid@gmail.com>
On Wed, Aug 26, 2026 at 10:46:54AM +0200, Ruslan Valiyev wrote:
> Return early when there is no port device, and read port->port_dev
> under port_mutex.
>
> Also clear port->port_dev on the serial_core_register_port() error
> path, where the port device has already been removed.
These look like valid fixes to me:
Reviewed-by: Tony Lindgren <tony.lindgren@linux.intel.com>
prev parent reply other threads:[~2026-08-28 7:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 8:46 [PATCH v2] serial: core: fix NULL pointer dereference in serial_core_unregister_port() Ruslan Valiyev
2026-08-26 9:03 ` sashiko-bot
2026-08-28 7:10 ` Tony Lindgren [this message]
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