From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1BC273BBCB for ; Wed, 14 Aug 2024 18:30:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723660215; cv=none; b=Zlzdep+D2NAAj5HtO5btvtdRZJc4eT+ZGbkwfPMLw2VHpTVmOve4lR9McFyubSp7O9s59kQafpE2rkzVmoGGBiR0JTBTyf+XlKOYEloKbmXkISfPBiF7C4WuuC3C+loWzOMu1JyZ2LiX4Rfe+rh6hm0kQFK+26cMhviVFNYTvH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723660215; c=relaxed/simple; bh=RFN9TKye+vjegm5v/RpT/JM5+TBda6ELMIBG7sxOI+w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=umN95PqZuUJI6eJAJEqnn4/xA/AK20tl01UGOkplZR0ScsPbYKOWtXIG2lhr2r8PV8MG+z3z/p0Gj0LNmmmYv3vsQo9UbmozTGAUjwGolReV2ENXqLkkfP1Y7zbuTMuXeKrgVAzmBX0GCZYagILkfOhSM/8Kf8NVi1ZBVtS2Q3U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XVEQDvAI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XVEQDvAI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95F10C116B1; Wed, 14 Aug 2024 18:30:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723660214; bh=RFN9TKye+vjegm5v/RpT/JM5+TBda6ELMIBG7sxOI+w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XVEQDvAIVnb51xCr1uITMxZc5u4TnehANKkwG8WNFTHbKOdtjJiGNJNXThMBW0KWg DhEhMB0TUfYcX+BdKp/n0JcKCPGFyrJP5b5OpDYzzJvRkrhk/azVjIhyFd2s5AboTb zgQFAzPp1hpwoWZDCyZ/oSpjycg8/AFaWQGq3G3Pw7SVa9EHiyLWvX7qmfkzLOzqwG trlAeMc4mqO6dF/yiwkKJHpLsyViHzzgVDm2xr9WwhM+076SqCYnGZhCOJ2r/QS6rX lzVJ3MhGbGH9uuPSCy3E62msxGN1rNawEV4S/Nb+z/Mg9nUYzvQDV8wOzqzZlcS6Sn Pr34HbNPlCP2Q== Date: Wed, 14 Aug 2024 11:30:13 -0700 From: Kees Cook To: Greg KH Cc: Linus Torvalds , brauner@kernel.org, ebiederm@xmission.com, mvanotti@google.com, viro@zeniv.linux.org.uk, stable@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] exec: Fix ToCToU between perm check and set-uid/gid usage" failed to apply to 6.1-stable tree Message-ID: <202408141130.C3A28EB712@keescook> References: <2024081450-exploring-lego-5070@gregkh> <2024081456-cozy-shorten-f91e@gregkh> Precedence: bulk X-Mailing-List: stable@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: <2024081456-cozy-shorten-f91e@gregkh> On Wed, Aug 14, 2024 at 08:08:12PM +0200, Greg KH wrote: > On Wed, Aug 14, 2024 at 11:00:14AM -0700, Linus Torvalds wrote: > > On Wed, 14 Aug 2024 at 10:39, wrote: > > > > > > The patch below does not apply to the 6.1-stable tree. > > > > I think this is the right backport for 6.1. > > > > Entirely untested, though. > > Thanks, that looks sane. I've adapted it for the older kernels as well. Yup, I agree. Thanks for that! -- Kees Cook