From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793543768; b=T0Be4Y9Ys2GQu15ErMf5gOHYhqxzFCTbXKnwGIkdwsOAxDOP73J/A3VNg+/t0ctoPaHw NUGMdTvPZ8jWmvwz2EAw6rWImmA29+m8J4atvjRiPtC8CngPu80xV6mMsRICS1iMK3Csn l5oFtaO8fimT3N9LFSVKiMVunbs6oJbDhpAvrmz5QGZEx8ndQbH2nnUcezjdxArNxjMr4 xa7hMKpIK19Rxa4kNT45TrXmR21Rq2ud3kRi+vsnX1cDXn7Io1eii2+mqCyqEBb4aJCSn 7dNzFpOnFvKvCN+7+giHjnSJGTfr8aXR9rLkyLhJLaq0oUEOFfFd2ooc6mKlZmeOIKQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793543768; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=TtCuw5OAlejnbWX7yfP4jNY16ZvlKW+4tbQpuNqdmXA=; b=XpV8zor521LpO71Se7Jk9US/bP12/TAYwTXAFyLOdTr7l04TFCQRgVvYqv9aInwn3Gsm aDmh7asMvo7h02Q+8T9jZoXVu+AWpK5hyhF1TRN8EIsza7zXp6iFss9z0tdn47yPkIeuA K5BZ+UnWxsCGBlLbygatFfbnAdm9l569TJrKOCtRgbGogR5/tBhXGpUIJOl0g6cpi3j7O 6QIrFrxuWbUt300LS+1ZewFYXim/0qeTMb2hbmhggjXD0aGT9Dym4NmY35j+wzYUPdOcH W4AzSpF/OPxcZFJyEtawUgFBmtk9K+S+up6PyfPoIHOiFH2fGTVABwS4nbhIAh30xfA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72848606A325; Sun, 1 Nov 2026 14:36:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65D141F000C1; Sun, 1 Nov 2026 14:36:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793543762; bh=TtCuw5OAlejnbWX7yfP4jNY16ZvlKW+4tbQpuNqdmXA=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=2EpUlGehsCooSdemrOtmIMvmxUaMOZENo7P2UT3yKiyH/krwK2YBXh1/sOHeiC7nB SN0LSdEHH9V8ybSCc4NlJRPp+eH6VAPs0Tig86TkJ4X1CU2AXL+G9Betc8nBc34y0h rGpyzTupEdj3+sW7VhRbyP6F2quXV4caykXZbgBA= Date: Sun, 1 Nov 2026 15:36:00 +0100 From: Greg KH To: Mihalis Haatainen Cc: "Cc: security@kernel.org, Matthieu Baerts" , Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , "netdev@vger.kernel.org" , "mptcp@lists.linux.dev" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "security@kernel.org" Subject: Re: mptcp: use-after-free read in subflow_get_info() via sock_diag Message-ID: <2026110120-trailside-subsiding-030d@gregkh> References: <2026110106-gallantly-footwork-3d9f@gregkh> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Nov 01, 2026 at 01:28:48PM +0000, Mihalis Haatainen wrote: > Greg, > Sorry about that, fixed. Maintainers and lists below are from > get_maintainer.pl against net/mptcp/diag.c. Patch inline below, > applies cleanly to current mainline. THat's not how any of this should work, sorry, please read the security documentation again. thanks, greg k-h