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 3F8AE355F49 for ; Tue, 25 Aug 2026 05:35:32 +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=1787636133; cv=none; b=LaCH1E2Y7GoCH0Sa1FNpAquRZI28kj8cpdTJJLl/oQ53cBmucW8e0uKJdDnMSwdKWlxu+v8yOXbf/+nPBNNCWXgQ05FyCZ70Fwevo7gwdNC5gVS/F8s27+awKJtpfozRnb1LuCQCDYHLZuw2jmKHsfYdmiGaoaQ9DDEIghw32Mc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787636133; c=relaxed/simple; bh=NFb+bMVNsCinOn8xrKYyQEdfCUi+hPTRbkJAvwtsIXw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QBF2vXHXjItT+kxOugdy8F3hOUlf2HT2gqyVqojWh9TLGEIzMOM4ldesS9dVwv9J4XwMVlQzQaG1bd1vlMbgoDSTWeXVv+vIglcwvKV9WRoJORpIUItp2CiKSUfye/aelHGT64u5d8TmAEjXrcjMQr3xMVDbSYOBmX1J1BXckjo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SSB3d4g4; 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="SSB3d4g4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50AD61F000E9; Tue, 25 Aug 2026 05:35:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787636132; bh=NFb+bMVNsCinOn8xrKYyQEdfCUi+hPTRbkJAvwtsIXw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=SSB3d4g4stbgTM2PThOuzHniOgAKI3R3I5XDyRdhQJpFrmVyk2MB2/jj04Q4slbJn TNfRumzhZJTLZp3qG/buTYZwKXALBi5qsNpZ01buIIsOK+3DYfwOhDs07CqekWJ7lL ufGsFJTKxLSJodIkiX32hVOgAsu/ZJxrj3xzroh8= Date: Tue, 25 Aug 2026 07:33:50 +0200 From: Greg KH To: Jiacheng Xu Cc: "Vishal Moola (Fractile)" , rafael@kernel.org, dakr@kernel.org, akpm@linux-foundation.org, driver-core@lists.linux.dev Subject: Re: [PATCH v2] kobject: fix out-of-bounds read in action parser Message-ID: <2026082518-swinging-wildfowl-9c19@gregkh> References: <200d27f7.1471a.1a0138c92da.Coremail.stitch@zju.edu.cn> <16559d89.19644.1a037110cc7.Coremail.stitch@zju.edu.cn> Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16559d89.19644.1a037110cc7.Coremail.stitch@zju.edu.cn> On Tue, Aug 25, 2026 at 11:57:39AM +0800, Jiacheng Xu wrote: > kobject_action_type() uses the position of the first space in the input > as the length of the uevent action. It then checks the byte at that > position in the corresponding action string. This is being sent in base64, and the tools can not apply it :( Please fix your email client to not compress/encode the message. thanks, greg k-h