From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yx1-f45.google.com (mail-yx1-f45.google.com [74.125.224.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9B3D747F for ; Sun, 23 Nov 2025 05:20:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.224.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763875204; cv=none; b=lqjTrQgR/TgGqB5rshHUbN6yD3R4inTmligVLX9htv4QjA7Xf2XXjRVPS3VTi1DgcFTe02nCrCLMc0G3XUAmgXBZjwAoogasiKd3VjfCzFXVRNrzY3i8cuCBYNqJsFn2aOFnrJSTCVIclUVA2nGiNEgtJL2gWj2tfr9NIa0BEfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763875204; c=relaxed/simple; bh=rZievru8xFoio8W0pGZ0BzqjHLspt23+y+NwVN7V/34=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=u+K3khpAU2Mu1t/HY0Qq9owyA30/ln36KTssQO6z6XtWdavfbVM0wVZJLnSSKw1nP0duoTpDoHA76gqS45iOW3XXRnma5JddTCLgJW1RN/QA15Fq7j2nce3BUc/aL9a5fwtsMxGePgOyuaYez22cz1qcViO7qQa0vbfJipumoU8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=Y/9ZwH/7; arc=none smtp.client-ip=74.125.224.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Y/9ZwH/7" Received: by mail-yx1-f45.google.com with SMTP id 956f58d0204a3-640daf41b19so4331720d50.0 for ; Sat, 22 Nov 2025 21:20:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1763875201; x=1764480001; darn=vger.kernel.org; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=jDsSL1Zlb9jxmd/NT8Y1nKlEBZtEEJl+kOBs1aZkkkc=; b=Y/9ZwH/7fiTEbZS6Tgbg+OePKC+CukYLW07vITyNsaH8fSSvBI6LUXPR0l80BuNeA1 Fo/nj1fk4PWruiS8DQT/T6YP4P7aul6UIUi9NeJcDSk9CHPriEvfzRphhae03TcGIUBa 6Gc2fO6dU0XW8nTWsAOY4coC83u3FAtz6szsYc0JmJa99ECoCcFwzVYMVZlgTpEZt2Ks +RBkb+DF2S1WRFA8ddPyg0p1DCVVvW6BaVH+bcjEM9RifmlL8kw1nmhWQzaz1RFMgp88 vib88SxZazwXSXeAZ9xqu23jK5XCBbgs+BtTkU1fcCnT3s5xK34JzIUEmBylYJPO4u8j 8xlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763875201; x=1764480001; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=jDsSL1Zlb9jxmd/NT8Y1nKlEBZtEEJl+kOBs1aZkkkc=; b=J0hCDz0gHnLZpJ2FlLp9MDxyhMfaqrxukE/o9OkynOvzWUygseg/qE4R8brMRFB4gm W+dYakt0SoiuRArPPRIZiK8La+3Zv9iS3gWclv4FU6x3OeN6OQE2+gB19Z3LIMmE7lT5 a2Jt5oh4xbVjf1FShO9onvrc5++0WuMK7z2wQwHOREEDtE5k4/Fk8MF56F0lhNIEfaqz e3KvI3QRJouPLEziXztoUdCSrv4L8otyPLOl7ViNzwaJABgfAJrlUwYJCbNEdWK9J3dm WIN0GoaxU2Tb7AU+rnGVihB/rwbQlgh57IFdskLYK1My24dV0HlsGgNCtZrfajEcg555 ggRQ== X-Forwarded-Encrypted: i=1; AJvYcCVoqkvmuEocezv7nFDH7rtxZPYq1jrwbe/NIXL/VduZKnnb91wN6VycteQESE7nUoOUxZ+32Qc=@vger.kernel.org X-Gm-Message-State: AOJu0YyrnAilh/OBDg6XMEpusAXrOD84j1/jiWTJQtadLJB0VX1h7iTM MScvYg4i4PcPqg/8KX+YrKyyxeQCOrBNuVlPKK7hTreAuvyXvAlLtqps/ChyE3QpLw== X-Gm-Gg: ASbGncsukwypBkgyDxp1DyMw/EU8XZsXsh0qTBUuqQ001A7qRsKfW8pOj+Kfz6lPqGj 7fPfGHokKQEo4moMhtWErYcbPnVdx1o+3A4XI+EY/FMeJpr9EM3RDCVAYbaNYE25yaCEgxR/1Cf eYYBgEldL+l4GRFXrqjAii9X/aA2Y5AFfGDAsy5vNhk2M15Oqn+eMTuF3Xi1bPFohZBGj9QwmXt keiKUjT7Br1l/vd0M1H81GgZjtV7TqIIj6W1gdccv1BD+MR9hR4EQyFK8rwAsIV61LHD+NCB7gA /9yrwyJxMxrL2iCB4ttsMckSgAt/PL/6OvKNxukPQSH1CQOi8WIcEQBDyCNuxJNOA8ynEhywlzT jLvSY3uJ4owN8BxASSU8qjSqBEhcUpBDckcn2ggSvrV/aL6CoV3DSiMqadnSYTGwV5Ug8iT0u4X CclJUlJi2C1ubwx/3pFgQodVoG8/gHN8ggRdgMJg8gVrGrbwZLNZZHpp54FCCFB2fHGNmczYrFi gt1eMbh2A== X-Google-Smtp-Source: AGHT+IF0vxc7fueQhP/zzHhG7TPxCfv+GZcM3X/oy0Bl6V7n+93lZi/orIHTptl6ePqE2hjsn/kFZw== X-Received: by 2002:a05:690e:1404:b0:63f:a2e4:a3e7 with SMTP id 956f58d0204a3-643026316d1mr5289527d50.34.1763875200654; Sat, 22 Nov 2025 21:20:00 -0800 (PST) Received: from darker.attlocal.net (172-10-233-147.lightspeed.sntcca.sbcglobal.net. [172.10.233.147]) by smtp.gmail.com with ESMTPSA id 00721157ae682-78a7987fb02sm31856247b3.5.2025.11.22.21.19.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Nov 2025 21:19:59 -0800 (PST) Date: Sat, 22 Nov 2025 21:19:48 -0800 (PST) From: Hugh Dickins To: Andrew Morton cc: Deepanshu Kartikey , baolin.wang@linux.alibaba.com, david@redhat.com, muchun.song@linux.dev, osalvador@suse.de, kraxel@redhat.com, airlied@redhat.com, jgg@ziepe.ca, linux-mm@kvack.org, linux-kernel@vger.kernel.org, vivek.kasireddy@intel.com, syzbot+f64019ba229e3a5c411b@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: Re: [PATCH v2] mm/memfd: fix information leak in hugetlb folios In-Reply-To: Message-ID: <250c36cf-6334-4b82-dbd1-5618a24271da@google.com> References: <20251112145034.2320452-1-kartikey406@gmail.com> 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 On Sat, 22 Nov 2025, Hugh Dickins wrote: > > Acked-by: Hugh Dickins > > Sorry if you were all waiting on a Ack from me. We're agreed that > the comment above __folio_mark_uptodate() could be deleted, and that > it would be much better if this code can be moved to a shared home > in hugetlb later on; but for now it's more urgent to get this patch > into hotfixes and on to Linus - please Andrew. Ah, it is already there in mm-hotfixes-unstable, thanks; sorry, I somehow just never saw the usual mm-commits mail. Hugh