From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 278124E77EE; Mon, 19 Oct 2026 11:46:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792410414; cv=none; b=g/oR+BYsDJrvVLccgz68lGoWLNP8wZs/JQmxZ4BIqRQQVb1NvrQDV4SHfwEFlZfmmGxmtV/39WHcj4VXNHxL6rCTf89Q7zGsy4ZFCz0rZ8gy4GreN5Go8HeZ0P1Nz0Dvm4G0ZDacN7tZO/Tr7UP9YBlSRKKR409vkoHctCAf+ME= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792410414; c=relaxed/simple; bh=Q78jVVF27/tia9GyJPlPgwlO69qamC9QNBY4baVk94c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mPHgQBV8KAZAN0usfO7aV8cDPZUPeXmfyl94As+7iah5fUk6R4hl/E9wt3aq1C6NL05ApT7ICtuGT6lu0IB1KHkFKDS9Qrd0BibDBzOiQ48IOP2WmwXV9Pw3ElldqFl3V/tR5oqdR48BjRrQNw0XGuE9K6D3p9vRaq3POclXlXo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=s+I708qW; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="s+I708qW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 281031F000C4; Mon, 19 Oct 2026 11:46:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1792410412; bh=sEg8gMyf63bO7kjfIqyA3W8zKJLpl7Nu/2h5dBpBCHs=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=s+I708qW1eKPrQkcT3wbw3Vwa6ebSJCDppUYuLy3OGCZjkbmtmVDM65yMNU4JMux6 wlQjJ1ASLZf7nRnP5EiDIfPLmR2YKo7UB8TpgBusbha6CqJv0PNEvX11jC322HMXxh FQ0nKy+9R0FnD2am9Qz3pbzoetr6OYzonAuplMtM= Date: Mon, 19 Oct 2026 13:46:40 +0200 From: Greg KH To: LI xiao Cc: jirislaby@kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: tty: timbuart: tasklet may trigger UAF during remove Message-ID: <2026101954-snarl-frenzy-da86@gregkh> References: Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Oct 19, 2026 at 07:09:12PM +0800, LI xiao wrote: > Hello, > I suspect a tasklet lifetime race in the timbuart driver. Great! Can you please provide a working patch for this issue as you have a reproducer for it? Also, html emails are rejected by the mailing lists, as you have seen. Please read the kernel documentation for how to fix up your email client to work properly. thanks, greg k-h